Humidity Meters
Extech Instruments Corporation
Whether you need help measuring humidity or dewpoint, or managing humidity control, Extech has a tool that can help. Choose from Extech's digital hygrometer, humidity meter, humidity sensor, or our unrivaled thermo hygrometer selection. Diagnose HVAC home humidity conditions, ensure healthy work and living spaces, and maintain health and safety conditions in the workplace daily.
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Barometric Pressure/Humidity/Temperature Datalogger
Extech SD700
Extech Instruments Corporation
Extech SD700 - Extech Instruments Corporation
SD700 records data to SD card in Excel format. Displays Barometric Pressure in 3 units of measure: hPa, mmHg, and inHg. Triple LCD simultaneously displays Barometric Pressure, Temperature, and Relative Humidity. Datalogger date/time stamps and stores readings on an SD card in Excel format for easy transfer to a PC. Selectable data sampling rate from 5, 10, 30, 60, 120, 300, 600 seconds. Complete with (6) AAA batteries, SD memory card, Universal AC adapter, and mounting bracket.
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Humidity and Temperature Datalogger - Up to 16,000 Readings for RH/Temp & User-Programmable Sample Rate
Extech RHT20
Extech Instruments Corporation
Extech RHT20 - Extech Instruments Corporation
The RHT20 is a Humidity Temperature Datalogger which records up to 16,000 Humidity and 16,000 Temperature readings with a user programmable sample rate. USB interface for easy setup and data download. Selectable data sampling rates from 1s to 24hr. User-programmable alarm thresholds for RH and Temperature. LCD displays current temperature and humidity readings plus Min/Max and Alarm status. Long battery life. Place or mount the datalogger in monitoring location (storage bin, truck, cargo hold, f...The RHT20 is a Humidity Temperature Datalogger which records up to 16,000 Humidity and 16,000 Temperature readings with a user programmable sample rate. USB interface for easy setup and data download. Selectable data sampling rates from 1s to 24hr. User-programmable alarm thresholds for RH and Temperature. LCD displays current temperature and humidity readings plus Min/Max and Alarm status. Long battery life. Place or mount the datalogger in monitoring location (storage bin, truck, cargo hold, freezer, temperature-controlled room, etc.). Datalogger records temperature and humidity at sample rate set by user. Connect the datalogger to your PC via the USB interface to retrieve readings. Datalogger displays the current Humidity and Temperature plus Min/Max and alarm status so it can viewed anytime during the recording process. Complete with battery, mounting bracket, and software.show more -
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Humidity and Temperature USB Datalogger - Reccords up to 16,000 Readings for Each Parameter
Extech RHT10
Extech Instruments Corporation
Extech RHT10 - Extech Instruments Corporation
The RHT10 datalogs Humidity and Temperature readings (up to 16,000 each) with user programmable sample rates from 2 seconds up to 24 hours for days, weeks and months. USB interface for easy setup and download. Dew Point indication via the included Windows software. User-programmable High/Low alarm thresholds for RH and temperature. Complete with 3.6-Volt Lithium battery, protective USB cap, mounting bracket, and Windows compatible software for analysis.
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Humidity/Temperature Chart Recorder with Touch Screen - Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen
Extech RH550
Extech Instruments Corporation
Extech RH550 - Extech Instruments Corporation
Simultaneously datalog and monitor relative humidity, temperature, and calculated dew point on the Extech RH550. It features live or user-scheduled recording time and programmable Min/Max alarm set points. A built-in stand is included for desktop use, as well as a bracket for wall-mounting. The RH550 also features a field-replaceable probe that can be attached to the monitor or on a 6.5 ft (2 m) cable. This recorder is useful in office buildings, conference rooms, labs, hospitals, cleanrooms, greenhouses, food storage facilities, and more.
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Humidity/Temperature Datalogger
Extech SD500
Extech Instruments Corporation
Extech SD500 - Extech Instruments Corporation
This Humidity/ Temperature Datalogger records data on an SD card in Excel format for easy transfer to a PC for analysis. It features a Dual LCD that simultaneously displays Relative Humidity and Temperature, and a selectable data sampling rate of 5, 10, 30, 60, 120, 300, and 600 seconds. Each stored reading includes a date and time stamp. 10 to 95% Relative Humidity and 32 to 122°F (0 to 50°C) Temperature ranges. Complete with 6 AAA batteries, SD memory card, Universal AC Adaptor, and mounting bracket.
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Hygro-Thermometer/Datalogger
Extech SDL500
Extech Instruments Corporation
Extech SDL500 - Extech Instruments Corporation
The SDL500 records data on an SD card in Excel format. Relative Humidity, Temperature, Dew Point, and Wet Bulb measurements. Adjustable data sampling rate. Stores 99 readings manually and 20M readings via 2G SD card. Type K/J Thermocouple input for high temperature measurements. Large backlit dual LCD display. Record/Recall Min, Max, Data Hold and Auto power off functions. Complete with 6 x AA batteries, SD card, carrying case and Humidity/Temperature probe.
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Temperature and Humidity Datalogger
Extech 42280
Extech Instruments Corporation
Extech 42280 - Extech Instruments Corporation
The 42280 is an Extech Temperature and Humidity Data logger. Data logs up to 16,000 readings. Featuring a USB interface for downloading to a PC. Triple LCD displays humidity, temperature and date (year, month and day). Temperature range from -4 to 144°F (-20 to 70°C). Complete with Windows compatible software, USB cable, Universal AC adaptor, and four AA batteries.
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USB Humidity/Temperature Datalogger
Extech RHT30
Extech Instruments Corporation
Extech RHT30 - Extech Instruments Corporation
The datalogger is designed with a rugged housing and a standard USB connector where stored readings (up to 48,000 data) are conveniently transferred to a PC in PDF or Excel® spreadsheet format when plugged in. Additional features include an 8-location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in. Large LCD optimizes viewing and the smart LED provides color-coded humidity, and temperature reading status.
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Digital Clock/Hygro-Thermometer
Extech CTH10A
Extech Instruments Corporation
Extech CTH10A - Extech Instruments Corporation
The CTH10 is an attractive wall clock features an oversized 4.3" (109mm) digit time display that can be easily view from a longer distance than regular sized clocks. It receives Time Code from NIST Radio Station WWVB and it automatically adjusts year, date, day, hour, minute, second, and Daylight Savings Time. In addition, it also measures Temperature and Relative Humidity! Perfect for desktop or wall mount display. This clock meter also features automatic adjust for daylight savings time (DST), programmable alarm clock with snooze feature, and a built-in stand for desktop or wall-mount. Complete with built-in stand and three C size batteries
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Big Digit Indoor/Outdoor Hygro-Thermometer
Extech 445713
Extech Instruments Corporation
Extech 445713 - Extech Instruments Corporation
The Big Digit Hygro-Thermometer simultaneously displays indoor and outdoor Temperature and Humidity. Measures Humidity from 10 to 99% RH and Temperature from 14 to 140°F or -10 to 60°C. Accuracy is ±5%RH and ±1.8°F/±1°C. A Max/Min with reset function stores and recalls high and low measurements for all 4 parameters. Complete with built-in stand, wall mounting bracket, outdoor sensor with 35 in. (89cm) cable, and 1.5-Volt AAA battery.
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Big Digit Hygro-Thermometer with Remote Probe
Extech 445715
Extech Instruments Corporation
Extech 445715 - Extech Instruments Corporation
This Big Digit Hygro-Thermometer with extendable probe (18” cable) measures humidity from 10% to 99% RH and temperature from 14 to 140°F (-10 to 60°C). Accuracy of ±4%RH and ±1°C/1.8°F. This meter also includes maximum, minimum and rest functions and has a rear calibration adjustment post with optional RH calibration bottles. Comes complete with built-in stand, mounting bracket, sensor, and 1 AAA battery.
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Big Digit Hygro-Thermometer
Extech 445703
Extech Instruments Corporation
Extech 445703 - Extech Instruments Corporation
This Big Digit Hygro-Thermometer has 1 in. digits on a super large LCD. It simultaneously displays humidity from 10 to 99% and temperature from 14 to 140°F or -10 to 60°C. Accuracy is ±5%RH and ±1.8°F/±1°C. Maximum/minimum with reset function. Complete with stand, wall mounting bracket and 1 AAA battery.
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Hygro-Thermometer Clock
Extech 445702
Extech Instruments Corporation
Extech 445702 - Extech Instruments Corporation
The 445702 combines 3 displays for Time, Temperature and Humidity. Clock displays 12/24 hour time. Maximum/minimum with reset function. Humidity: 10 to 85%. Temp: 14° to 140°F or -10 to 60°C. Accuracy: ±6%RH; ±1.8°F,±1°C. Complete with built-in tilt stand, wall mounting bracket and AAA battery.
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Hygro-Thermometer Humidity Alert with Dew Point
Extech 445814
Extech Instruments Corporation
Extech 445814 - Extech Instruments Corporation
This Humidity Alert Hygro-Thermometer has a programmable %RH audible and visual alarm that alerts you when humidity exceeds the set limit. Large LCD simultaneously displays Temperature, Humidity and Dew Point. Product measures Humidity from 10 to 99% and Temperature from 14 to 140°F (-10 to 60°C). The meter has a basic accuracy of ±4%RH and ±1.8°F/1°C. Rear calibration pot for Humidity and Temperature. Featuring maximum/minimum with reset functions that store and recall the highest and lowest readings recorded. Comes complete with built-in stand, wall bracket and AAA battery.
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Hygro-Thermometer Humidity Alert with Dew Point
Extech 445815
Extech Instruments Corporation
Extech 445815 - Extech Instruments Corporation
This Humidity Meter with Alarm and Remote Probe features a large triple display of relative humidity, temperature and dew point. Has a built-in stand for sitting on a desk but can also be mounted to a wall with included bracket. A visual and audible alarm warns when the humidity level goes above or below the adjustable set point. Meter also stores the maximum and minimum readings. Remote probe extends 18 in. for measuring behind walls. Ideal for use in humid areas where mold can become a problem. Comes complete with built-in stand, wall mount bracket, and 2 AAA batteries.
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Mini Hygro-Thermometer Monitor
Extech RHM15
Extech Instruments Corporation
Extech RHM15 - Extech Instruments Corporation
The RHM15 is a mini hydro-thermometer monitor which measures humidity and temperature and displays it simultaneously. The RHM15 has a built in memory which stores maximum and minimum readings. The RHM15 features a low battery indication and comes with a built in stand, user's manual and LR44 battery. Measures in °F only.
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Mini Hygro-Thermometer Monitor
Extech RHM16
Extech Instruments Corporation
Extech RHM16 - Extech Instruments Corporation
Miniature Hygro-Thermometer ideal for monitoring Temperature and Humidity conditions in enclosed or open space environments. It helps gauge proper heat and moisture levels and it also records high and low extremes during the day. Measures in °C only.
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Multi-Channel Wireless Hygro-Thermometer
Extech RH200W
Extech Instruments Corporation
Extech RH200W - Extech Instruments Corporation
Extech’s Multi-Channel Hygro-Thermometer, with easy-to-read 1.3" (33mm) digits, displays indoor Temperature and Humidity levels. You can connect up to 8 wireless transmitters to remotely measure Temperature/Humidity levels up to 98ft (30m) away. The LCD is designed with an auto-night light and it displays icons that indicate indoor comfort levels and trending arrows that show the increase, decrease or constant readings. It also records Min/Max for the duration of each measurement session. Ideal for multi-room environmental monitoring for restaurants, manufacturing facilities, offices, homes, greenhouses, and storage/archive buildings.
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Wireless Hygro-Thermometer Transmitter
Extech RH200W-T
Extech Instruments Corporation
Extech RH200W-T - Extech Instruments Corporation
Extech's RH200W-T is a wireless temperature/humidity transmitter for RH200W. You can connect up to 8 wireless transmitters to remotely measure temperature/humidity levels up to 98ft (30m) away. Ideal for multi-room environmental monitoring for restaurants, manufacturing facilities, offices, homes, greenhouses, and storage/archive buildings.
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Wireless Weather Station Kit
Extech WTH600-E-KIT
Extech Instruments Corporation
Extech WTH600-E-KIT - Extech Instruments Corporation
Extech’s Weather Station helps you plan your day-to-day outdoor activities that may be affected by weather conditions including businesses involved with construction, agriculture, and recreation. The WTH600-E-KIT includes an indoor Wireless Base Station with a large LCD displaying indoor Temperature, Humidity, and outdoor weather conditions, plus date and time. It also comes with an outdoor Wireless Transmitter with 5 built-in sensors, including a self-emptying rain collector for measuring rainf...Extech’s Weather Station helps you plan your day-to-day outdoor activities that may be affected by weather conditions including businesses involved with construction, agriculture, and recreation. The WTH600-E-KIT includes an indoor Wireless Base Station with a large LCD displaying indoor Temperature, Humidity, and outdoor weather conditions, plus date and time. It also comes with an outdoor Wireless Transmitter with 5 built-in sensors, including a self-emptying rain collector for measuring rainfall, wind cups for wind speed, wind vane for wind direction, and temperature and humidity sensors. It sends data by a low power radio frequency to the Base Sation up to 150m away. The kit comes assembled for easy installation.show more -
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Dual Input Hygro-Thermometer Psychrometer - Psychrometer with Two Type K Inputs for Superheat Plus Memory
Extech RH350
Extech Instruments Corporation
Extech RH350 - Extech Instruments Corporation
The RH350 displays humidity, dew point, wet bulb, temperature and temperature differential. The triple backlit LCD can be changed to display humidity, temperature, dew point or humidity, temperature and wet bulb or humidity, temperature and Type K thermometer. Can also display the temperature difference between Type K T1 and T2 or air temperature and Type K or Type K and dew point. Advanced features include built-in memory and recall of up to 99 data points, Min/MAX/Average readings from the captured data, data hold and selectable auto power off. Includes 2 Type K temperature probes, and four AAA batteries.
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Humidity/Temperature Pen
Extech 445580
Extech Instruments Corporation
Extech 445580 - Extech Instruments Corporation
Take this this handy humidity and temperature gauge on the go and rely on a long-lasting 3V lithium battery for maximum usage time. This slim measuring tool will capture humidity readings from 10 to 90% RH and register temperatures from 14° to 122° (-10 degrees to 50°). It’s an ideal tool for field work and a nice accoutrement for outdoor lovers. This utility tool will store maximum and minimum readings until the memory is cleared and includes a data-hold button for rapidly fluctuating measurements. Includes meter with pocket clip and 3V lithium battery.
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Hygro-Thermometer + InfraRed Thermometer - Humidity, Air Temperature and non-contact Surface Temperature Measurements
Extech RH101
Extech Instruments Corporation
Extech RH101 - Extech Instruments Corporation
This Combination Humidity meter plus Infrared Thermometer features a large backlit LCD with Primary and Secondary displays. Primary display is user selectable for IR or Humidity; Secondary always displays ambient temperature. Infrared thermometer has built-in laser pointer and an 8:1 distance to target ratio. Data Hold and MAX, Auto power off. Complete with 9V battery and carrying case.
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Hygro-Thermometer Psychrometer
Extech RH300
Extech Instruments Corporation
Extech RH300 - Extech Instruments Corporation
The RH300 is a compact meter that is ideal for field applications. Simultaneously displays relative humidity (10% to 90% RH), air temperature and dew point or wet bulb. Calculates T1-T2 differential (air temperature minus external probe temperature) using optional probe (TP890), and T2 minus dew point. Built-in protective sensor cap. Other features include Data Hold, Auto Power Off, and MAX/MIN reading. Complete with 2 AAA batteries.
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Hygro-Thermometer Psychrometer
Extech RHT510
Extech Instruments Corporation
Extech RHT510 - Extech Instruments Corporation
Conveniently check the Humidity and Temperature conditions in residential and professional settings to ensure comfort and safety. The RHT510 is a Hygro-Thermometer Psychrometer that measures Relative Humidity, Temperature, Dew Point, and Wet Bulb. General purpose bead wire Type K probe is included for measuring Temperature up to ~480°F (250°C), while the meter can measure to 2372°F (1300°C) if used with other probes. Min/Max function stores and recalls highest and lowest readings. Additional features include: large LCD display with backlight, Data Hold and Auto power off with disable option.
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Hygro-Thermometer with Connectivity to ExView® App
Extech RH250W
Extech Instruments Corporation
Extech RH250W - Extech Instruments Corporation
The RH250W is a compact hygro-thermometer with Bluetooth® connectivity, which allows building and maintenance professionals to view and share relative humidity and temperature data directly from a mobile device using the free ExView app. With the capability to capture data, display trends, set visual and audio alarms, and send reports, users can gain deeper insights on equipment and building health.
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Pocket Humidity/Temperature Pen
Extech 44550
Extech Instruments Corporation
Extech 44550 - Extech Instruments Corporation
The 44550 is a pen style humidity and temperature meter. Featuring a dual LCD for simultaneous display of relative humidity and Temperature (°C/°F switchable). Measures humidity from 20 to 90%RH and temperature from 14 to 122°F (-10 to 50°C) with ±5%RH; ±2°F, ±1°C accuracy. Pocket sized for quick and reliable measurements at any location. Max/Min memory functions for display of highest and lowest readings for both measurements. Complete with pocket clip and one LR44 button battery.
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Precision Hygro-Thermometer
Extech RH490
Extech Instruments Corporation
Extech RH490 - Extech Instruments Corporation
Anyone whose job relies on calculating humidity levels will appreciate the Extech Hygro-Psychrometer. In addition to measuring relative humidity in 30 seconds, this handheld instrument captures dew point, wet bulb, temperature and water vapor levels (Grams per Kilogram and Grains per Pound). This utility tool will store maximum and minimum readings until the memory is cleared and includes a data-hold button for rapidly fluctuating measurements. Complete with carrying case and 9V battery.
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Precision Psychrometer - Highest 2% RH Accuracy With Fast 30 Seconds Response Time
Extech RH390
Extech Instruments Corporation
Extech RH390 - Extech Instruments Corporation
Measure humidity and temperature simultaneously with the RH390 Precision Psychrometer from Extech. A dual-illuminated readout can be alternated to display wet bulb and humidity, or dew point and humidity, or temperature and humidity. This handheld device registers temperatures from -22 degrees to 199 degrees F (-30 degrees to 100 degrees C) and measures the full spectrum of relative humidity with ±2% accuracy between 20 and 90% RH. Complete with carrying case and 9V battery.
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Psychrometer with InfraRed Thermometer - Humidity, Type K Thermometer and 30:1 InfraRed Thermometer
Extech HD500
Extech Instruments Corporation
Extech HD500 - Extech Instruments Corporation
The HD500 Psychrometer with Infrared Thermometer combines 3 in 1 with humidity meter, type K thermometer and infrared thermometer functions. The HD500 features a large triple LCD backlit display, built in USB port, minimum/maximum, data hold and auto power off functions. Built-in InfraRed Thermometer for non-contact temperature measurement to 932°F (500°C). Includes a 3 year warranty, Windows compatible software with USB cable, Type K bead wire probe, carrying case and 9-volt battery.
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Temperature and Humidity Datalogger
Extech 42280A
Extech Instruments Corporation
Extech 42280A - Extech Instruments Corporation
The Extech 42280A is designed to continuously monitor temperature and humidity so you can maintain ideal storage conditions in laboratories and cleanrooms while ensuring comfort in hospitals and other indoor working facilities. This datalogger with max/min mode records up to 24,000 data sets including date and time stamp and features both audible and visible alarms. You can generate PDF reports that show trending graphs, or export data to a Microsoft® Excel spreadsheet, making it easy to identify irregularities in temperamental environments.
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Replacement Caps
Extech RH-Cap
Extech Instruments Corporation
Extech RH-Cap - Extech Instruments Corporation
Replacement protective caps for models RH390, RH490, MO Series, and HD500: 5 Pack
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Replacement Vented Caps
Extech RH-Screen
Extech Instruments Corporation
Extech RH-Screen - Extech Instruments Corporation
Replacement vent cap for Models RH390, RH490, HD500, and HD550: 5 pack
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Humidity Calibration Kit
Extech RH300-CAL
Extech Instruments Corporation
Extech RH300-CAL - Extech Instruments Corporation
The RH300-CAL is a kit which contains 33% and 75% humidity calibration bottles. Used for verifying calibration of the 445815 humidity meter. Bottles have small opening designed to snuggly fit the remote sensor probe.
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Humidity Calibration Kit
Extech RH350-CAL
Extech Instruments Corporation
Extech RH350-CAL - Extech Instruments Corporation
The Extech RH300-CAL is a kit which contains 33% and 75% humidity calibration bottles. Used for verifying calibration of the 445815 humidity meter. Bottles have small opening designed to snuggly fit the remote sensor probe.
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Humidity and Temperature Probe For Extech RH520 Paperless Chart Recorders
Extech RH522B
Extech Instruments Corporation
Extech RH522B - Extech Instruments Corporation
The Extech RH522B is a replacement Humidity and Temperature Probe for the RH520B Paperless Chart Recorder. It has a measurement range of -30°C to 60°C (-22°F to 140°F) and 1% RH to 99% RH. No calibration required.
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Extension Cable for RH550-P
Extech RH550-C
Extech Instruments Corporation
Extech RH550-C - Extech Instruments Corporation
The Extech RH550-C is a spare/replacement cable for the RH550-P Humidity/Temperature Probe. The cable can extend up to 2 m (6.5 ft) in length. Connect up to three RH550-C cables serially to the RH550 meter without sacrificing accuracy.
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Humidity/Temperature Probe for RH550
Extech RH550-P
Extech Instruments Corporation
Extech RH550-P - Extech Instruments Corporation
The Extech RH550-P is a spare/replacement Humidity and Temperature Probe for the RH550. The probe can either be clipped directly onto the tablet (RH550) or attached to a cable (RH550-C) to measure humidity and temperature. Field-replaceable probe does not require recalibration.
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EzSmart™ Hygro-Thermometer
Extech RHT3
Extech Instruments Corporation
Extech RHT3 - Extech Instruments Corporation
The Extech RHT3 is an EzSmart™ Hygro-Thermometer for use with Android or iOS smart devices. The RHT3 comes with a free app from iTunes and Google Play for taking readings. Complete with a built-in sensor and protective connector cap with strap.
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Thermistor Probe (-4 to 158°F)
Extech TP890
Extech Instruments Corporation
Extech TP890 - Extech Instruments Corporation
The Extech TP890 is a Thermistor Probe. This product is for use with the RH300 Hygro-Thermometer Psychrometer. Intuitively easy to set up and operate.
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Dew Point Meter
RH600
Extech Instruments Corporation
RH600 - Extech Instruments Corporation
The Extech RH600 accurately measures and datalogs dew point levels in compressed air systems. This high-precision meter can help manufacturing professionals protect product quality while avoiding damaged pneumatic equipment, corrosion, and problems in cylinder and valve systems. Featuring a color graphical display, the RH600 provides clear, stable readings, allowing you to measure dew point temperature down to -50°C (-58°F) in max ambient pressure of 20 bar. Set high/low audible and visible alarms for temperature, relative humidity, and dew point thresholds. You can also easily log and transfer recorded data to a PC in CSV format to create inspection reports fast.
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Barometric Pressure/Humidity/Temperature Datalogger
Extech SD700
Extech Instruments Corporation
Extech SD700 - Extech Instruments Corporation
SD700 records data to SD card in Excel format. Displays Barometric Pressure in 3 units of measure: hPa, mmHg, and inHg. Triple LCD simultaneously displays Barometric Pressure, Temperature, and Relative Humidity. Datalogger date/time stamps and stores readings on an SD card in Excel format for easy transfer to a PC. Selectable data sampling rate from 5, 10, 30, 60, 120, 300, 600 seconds. Complete with (6) AAA batteries, SD memory card, Universal AC adapter, and mounting bracket.
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Humidity and Temperature Datalogger - Up to 16,000 Readings for RH/Temp & User-Programmable Sample Rate
Extech RHT20
Extech Instruments Corporation
Extech RHT20 - Extech Instruments Corporation
The RHT20 is a Humidity Temperature Datalogger which records up to 16,000 Humidity and 16,000 Temperature readings with a user programmable sample rate. USB interface for easy setup and data download. Selectable data sampling rates from 1s to 24hr. User-programmable alarm thresholds for RH and Temperature. LCD displays current temperature and humidity readings plus Min/Max and Alarm status. Long battery life. Place or mount the datalogger in monitoring location (storage bin, truck, cargo hold, f...The RHT20 is a Humidity Temperature Datalogger which records up to 16,000 Humidity and 16,000 Temperature readings with a user programmable sample rate. USB interface for easy setup and data download. Selectable data sampling rates from 1s to 24hr. User-programmable alarm thresholds for RH and Temperature. LCD displays current temperature and humidity readings plus Min/Max and Alarm status. Long battery life. Place or mount the datalogger in monitoring location (storage bin, truck, cargo hold, freezer, temperature-controlled room, etc.). Datalogger records temperature and humidity at sample rate set by user. Connect the datalogger to your PC via the USB interface to retrieve readings. Datalogger displays the current Humidity and Temperature plus Min/Max and alarm status so it can viewed anytime during the recording process. Complete with battery, mounting bracket, and software.show more -
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Humidity and Temperature USB Datalogger - Reccords up to 16,000 Readings for Each Parameter
Extech RHT10
Extech Instruments Corporation
Extech RHT10 - Extech Instruments Corporation
The RHT10 datalogs Humidity and Temperature readings (up to 16,000 each) with user programmable sample rates from 2 seconds up to 24 hours for days, weeks and months. USB interface for easy setup and download. Dew Point indication via the included Windows software. User-programmable High/Low alarm thresholds for RH and temperature. Complete with 3.6-Volt Lithium battery, protective USB cap, mounting bracket, and Windows compatible software for analysis.
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Humidity/Temperature Chart Recorder with Touch Screen - Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen
Extech RH550
Extech Instruments Corporation
Extech RH550 - Extech Instruments Corporation
Simultaneously datalog and monitor relative humidity, temperature, and calculated dew point on the Extech RH550. It features live or user-scheduled recording time and programmable Min/Max alarm set points. A built-in stand is included for desktop use, as well as a bracket for wall-mounting. The RH550 also features a field-replaceable probe that can be attached to the monitor or on a 6.5 ft (2 m) cable. This recorder is useful in office buildings, conference rooms, labs, hospitals, cleanrooms, greenhouses, food storage facilities, and more.
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Humidity/Temperature Datalogger
Extech SD500
Extech Instruments Corporation
Extech SD500 - Extech Instruments Corporation
This Humidity/ Temperature Datalogger records data on an SD card in Excel format for easy transfer to a PC for analysis. It features a Dual LCD that simultaneously displays Relative Humidity and Temperature, and a selectable data sampling rate of 5, 10, 30, 60, 120, 300, and 600 seconds. Each stored reading includes a date and time stamp. 10 to 95% Relative Humidity and 32 to 122°F (0 to 50°C) Temperature ranges. Complete with 6 AAA batteries, SD memory card, Universal AC Adaptor, and mounting bracket.
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Hygro-Thermometer/Datalogger
Extech SDL500
Extech Instruments Corporation
Extech SDL500 - Extech Instruments Corporation
The SDL500 records data on an SD card in Excel format. Relative Humidity, Temperature, Dew Point, and Wet Bulb measurements. Adjustable data sampling rate. Stores 99 readings manually and 20M readings via 2G SD card. Type K/J Thermocouple input for high temperature measurements. Large backlit dual LCD display. Record/Recall Min, Max, Data Hold and Auto power off functions. Complete with 6 x AA batteries, SD card, carrying case and Humidity/Temperature probe.
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Temperature and Humidity Datalogger
Extech 42280
Extech Instruments Corporation
Extech 42280 - Extech Instruments Corporation
The 42280 is an Extech Temperature and Humidity Data logger. Data logs up to 16,000 readings. Featuring a USB interface for downloading to a PC. Triple LCD displays humidity, temperature and date (year, month and day). Temperature range from -4 to 144°F (-20 to 70°C). Complete with Windows compatible software, USB cable, Universal AC adaptor, and four AA batteries.
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USB Humidity/Temperature Datalogger
Extech RHT30
Extech Instruments Corporation
Extech RHT30 - Extech Instruments Corporation
The datalogger is designed with a rugged housing and a standard USB connector where stored readings (up to 48,000 data) are conveniently transferred to a PC in PDF or Excel® spreadsheet format when plugged in. Additional features include an 8-location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in. Large LCD optimizes viewing and the smart LED provides color-coded humidity, and temperature reading status.
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Big Digit Indoor/Outdoor Hygro-Thermometer
Extech 445713
Extech Instruments Corporation
Extech 445713 - Extech Instruments Corporation
The Big Digit Hygro-Thermometer simultaneously displays indoor and outdoor Temperature and Humidity. Measures Humidity from 10 to 99% RH and Temperature from 14 to 140°F or -10 to 60°C. Accuracy is ±5%RH and ±1.8°F/±1°C. A Max/Min with reset function stores and recalls high and low measurements for all 4 parameters. Complete with built-in stand, wall mounting bracket, outdoor sensor with 35 in. (89cm) cable, and 1.5-Volt AAA battery.
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Big Digit Hygro-Thermometer with Remote Probe
Extech 445715
Extech Instruments Corporation
Extech 445715 - Extech Instruments Corporation
This Big Digit Hygro-Thermometer with extendable probe (18” cable) measures humidity from 10% to 99% RH and temperature from 14 to 140°F (-10 to 60°C). Accuracy of ±4%RH and ±1°C/1.8°F. This meter also includes maximum, minimum and rest functions and has a rear calibration adjustment post with optional RH calibration bottles. Comes complete with built-in stand, mounting bracket, sensor, and 1 AAA battery.
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Big Digit Hygro-Thermometer
Extech 445703
Extech Instruments Corporation
Extech 445703 - Extech Instruments Corporation
This Big Digit Hygro-Thermometer has 1 in. digits on a super large LCD. It simultaneously displays humidity from 10 to 99% and temperature from 14 to 140°F or -10 to 60°C. Accuracy is ±5%RH and ±1.8°F/±1°C. Maximum/minimum with reset function. Complete with stand, wall mounting bracket and 1 AAA battery.
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Hygro-Thermometer Clock
Extech 445702
Extech Instruments Corporation
Extech 445702 - Extech Instruments Corporation
The 445702 combines 3 displays for Time, Temperature and Humidity. Clock displays 12/24 hour time. Maximum/minimum with reset function. Humidity: 10 to 85%. Temp: 14° to 140°F or -10 to 60°C. Accuracy: ±6%RH; ±1.8°F,±1°C. Complete with built-in tilt stand, wall mounting bracket and AAA battery.
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Hygro-Thermometer Humidity Alert with Dew Point
Extech 445814
Extech Instruments Corporation
Extech 445814 - Extech Instruments Corporation
This Humidity Alert Hygro-Thermometer has a programmable %RH audible and visual alarm that alerts you when humidity exceeds the set limit. Large LCD simultaneously displays Temperature, Humidity and Dew Point. Product measures Humidity from 10 to 99% and Temperature from 14 to 140°F (-10 to 60°C). The meter has a basic accuracy of ±4%RH and ±1.8°F/1°C. Rear calibration pot for Humidity and Temperature. Featuring maximum/minimum with reset functions that store and recall the highest and lowest readings recorded. Comes complete with built-in stand, wall bracket and AAA battery.
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Hygro-Thermometer Humidity Alert with Dew Point
Extech 445815
Extech Instruments Corporation
Extech 445815 - Extech Instruments Corporation
This Humidity Meter with Alarm and Remote Probe features a large triple display of relative humidity, temperature and dew point. Has a built-in stand for sitting on a desk but can also be mounted to a wall with included bracket. A visual and audible alarm warns when the humidity level goes above or below the adjustable set point. Meter also stores the maximum and minimum readings. Remote probe extends 18 in. for measuring behind walls. Ideal for use in humid areas where mold can become a problem. Comes complete with built-in stand, wall mount bracket, and 2 AAA batteries.
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Mini Hygro-Thermometer Monitor
Extech RHM15
Extech Instruments Corporation
Extech RHM15 - Extech Instruments Corporation
The RHM15 is a mini hydro-thermometer monitor which measures humidity and temperature and displays it simultaneously. The RHM15 has a built in memory which stores maximum and minimum readings. The RHM15 features a low battery indication and comes with a built in stand, user's manual and LR44 battery. Measures in °F only.
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Mini Hygro-Thermometer Monitor
Extech RHM16
Extech Instruments Corporation
Extech RHM16 - Extech Instruments Corporation
Miniature Hygro-Thermometer ideal for monitoring Temperature and Humidity conditions in enclosed or open space environments. It helps gauge proper heat and moisture levels and it also records high and low extremes during the day. Measures in °C only.
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Multi-Channel Wireless Hygro-Thermometer
Extech RH200W
Extech Instruments Corporation
Extech RH200W - Extech Instruments Corporation
Extech’s Multi-Channel Hygro-Thermometer, with easy-to-read 1.3" (33mm) digits, displays indoor Temperature and Humidity levels. You can connect up to 8 wireless transmitters to remotely measure Temperature/Humidity levels up to 98ft (30m) away. The LCD is designed with an auto-night light and it displays icons that indicate indoor comfort levels and trending arrows that show the increase, decrease or constant readings. It also records Min/Max for the duration of each measurement session. Ideal for multi-room environmental monitoring for restaurants, manufacturing facilities, offices, homes, greenhouses, and storage/archive buildings.
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Wireless Hygro-Thermometer Transmitter
Extech RH200W-T
Extech Instruments Corporation
Extech RH200W-T - Extech Instruments Corporation
Extech's RH200W-T is a wireless temperature/humidity transmitter for RH200W. You can connect up to 8 wireless transmitters to remotely measure temperature/humidity levels up to 98ft (30m) away. Ideal for multi-room environmental monitoring for restaurants, manufacturing facilities, offices, homes, greenhouses, and storage/archive buildings.
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Wireless Weather Station Kit
Extech WTH600-E-KIT
Extech Instruments Corporation
Extech WTH600-E-KIT - Extech Instruments Corporation
Extech’s Weather Station helps you plan your day-to-day outdoor activities that may be affected by weather conditions including businesses involved with construction, agriculture, and recreation. The WTH600-E-KIT includes an indoor Wireless Base Station with a large LCD displaying indoor Temperature, Humidity, and outdoor weather conditions, plus date and time. It also comes with an outdoor Wireless Transmitter with 5 built-in sensors, including a self-emptying rain collector for measuring rainf...Extech’s Weather Station helps you plan your day-to-day outdoor activities that may be affected by weather conditions including businesses involved with construction, agriculture, and recreation. The WTH600-E-KIT includes an indoor Wireless Base Station with a large LCD displaying indoor Temperature, Humidity, and outdoor weather conditions, plus date and time. It also comes with an outdoor Wireless Transmitter with 5 built-in sensors, including a self-emptying rain collector for measuring rainfall, wind cups for wind speed, wind vane for wind direction, and temperature and humidity sensors. It sends data by a low power radio frequency to the Base Sation up to 150m away. The kit comes assembled for easy installation.show more -
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Dual Input Hygro-Thermometer Psychrometer - Psychrometer with Two Type K Inputs for Superheat Plus Memory
Extech RH350
Extech Instruments Corporation
Extech RH350 - Extech Instruments Corporation
The RH350 displays humidity, dew point, wet bulb, temperature and temperature differential. The triple backlit LCD can be changed to display humidity, temperature, dew point or humidity, temperature and wet bulb or humidity, temperature and Type K thermometer. Can also display the temperature difference between Type K T1 and T2 or air temperature and Type K or Type K and dew point. Advanced features include built-in memory and recall of up to 99 data points, Min/MAX/Average readings from the captured data, data hold and selectable auto power off. Includes 2 Type K temperature probes, and four AAA batteries.
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Humidity/Temperature Pen
Extech 445580
Extech Instruments Corporation
Extech 445580 - Extech Instruments Corporation
Take this this handy humidity and temperature gauge on the go and rely on a long-lasting 3V lithium battery for maximum usage time. This slim measuring tool will capture humidity readings from 10 to 90% RH and register temperatures from 14° to 122° (-10 degrees to 50°). It’s an ideal tool for field work and a nice accoutrement for outdoor lovers. This utility tool will store maximum and minimum readings until the memory is cleared and includes a data-hold button for rapidly fluctuating measurements. Includes meter with pocket clip and 3V lithium battery.