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Low Frequency

Low Frequency 30 to 300 kHz.

See Also: VLF, ELF


Showing results: 691 - 705 of 718 items found.

  • Compact Juno USB Interface

    Juno 7Z01250 - mks Ophir

    *Virtual laser power meter - From sensor to interface to PC - no power source needed*Plug and play with all standard Ophir smart sensors*Use with StarViewer free Android app to turn your smartphone / tablet into a power meter*Record every energy pulse at up to 10 KHz*Log power and energy, average, statistics, histograms and more with included StarLab application*New: Pulsed Power measurements with Thermopile sensors*New: Low Frequency Power on Photodiode sensors - power measurement based on pulse cycle (for VCSEL)*System Integrator Tools included: LabVIEW VIs, COM Object Interface*Very compact - is just an extension of the smart plug

  • Three Phase Power Analyzer

    Model PA-600 - Gopal Electronics

    Power Analyzer Model PA-600 is having advanced measurement capability which gives accurate measurement also at low power factor such as 0.1PF with 0.1% basic accuracy. 16 bit microcontroller and 24bit Analog to digital converter performs accurate measurement & calculation of Voltage, current, power, power factor, crest factor, form factor and frequency with any load and signals of frequencies from 30 Hz to 800 Hz. PA600 is most applicable for no load and full load testing of distribution and power transformer. You can read true RMS value, peak value, mean value and average value of any parameter simultaneously in LCD display.

  • Wireless Weather Station Kit

    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 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.

  • Digital Multimeter and Phase Rotation Tester

    3000 MPR - Standard Electric Works Co., Ltd

    ● 4000-count LCD● Auto ranging● Voltage, Resistance, Current, Continuity, Diode measurement● Can measure Resistance up to 200.0 Mohm● Checks a wide range of 3-phase power sources (80~750VAC)● Phase Rotation indication : clockwise and counter-clockwise on LCD● The LCD will show AC voltage between phases and Phase Rotation● Wide range for capacitance test: 0~40000μF(40.00mF)● REL / Auto-Zero function● MAX /MIN function● VAHz function● Frequency : 40.00 MHz● Data hold function● Over range indication● Low battery detection● Auto power off in 15 minutes● Convenient stand for viewing● Comply with EN 61010-1, CAT III 600V for the range of 600V AC/DC

  • 60kw off grid power inverter 110/220V split-phase output converter

    SDP-60KW - Zhejiang Sandi Electric Co., Ltd

    Our SDP series Off Grid Pure sine wave inverter is one of the most advanced DC to AC conversion products in the world, it is suitable use for areas without electricity, vehicles, ships, solar energy, wind turbine and other renewable energy systems and etc, can supply power and provide guarantee effectively for the areas with traffic inconveniences, in the mountains, pastoral, border, island and other areas without electricity. It has the main advantages of high quality sine wave AC output, microcomputer control, humanness design, and it is high efficiency and low no-load loss, and no pollution. The inverter can also supply AC power to all kinds of electric equipment, air conditioners, motors, refrigerators, lights, TV, electric fans and other industrial power supply.1. Using the sixth generation efficient IPM intelligent module from Japanese Mitsubishi, high efficiency and stable performance. It with powerful protection function, the protection for short circuit, over load, over temperature is more safe and reliable. It’s service life can up to 15 years or more.2. Intelligentized, modularized, simple structure design with powerful function.3. Two kinds of start mode: Step-down Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. This function is very convenient for users and also reduce frequency converter’s usage, which reduced the cost of equipment investment, easy to connect wires and control.4. The output frequency can be setting via LCD panel, it’s very convenient for customer.5. The output voltage can be set between -40 % to +20 % of rated voltage. And the output voltage is very accuracy ±1%.6. The DC input voltage range can be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be setting via the LCD panel.7. Pure sine wave output. With good dynamic response less than 50MS, waveform distortion rate smaller, higher conversion efficiency and stable output voltage.8. Low Frequency Transformer, which ensures that inverter has high efficiency.9. High conversion efficiency, Max. Efficiency≥94%,if 48VDC input,the efficiency can more than 85%.10. Adopts black pure aluminum radiator, which confirms the best radiating performance.11. Powerful data display function. LCD can display the DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power KWH, time and date, temperature, fault code display.12. Wide input voltage can be set according to customer’s requirement. Input voltage range can be selected from 150-400V or 300-600V or 400-800V.13. Wide input voltage can work without battery and solar charge controller,save more cost and With MPPT wide voltage input function, maximum use of solar power

  • 1μΩ-4kΩ AC Milliohmmeter Low Resistance Tester

    TH2521 - Shenzhen Chuangxin Instruments Co., Ltd.

    TH2521 AC Milliohmmeter is a high-performance and intelligent tester widely used to test contact resistance, internal resistance and battery voltage. The application of constant current source with 1kHz frequency can greatly eliminate the potential error caused by thermoelectricity on DUT. This meter has the function to automatically detect contact failures on test cable. At the range of 30mΩ, basic R resolution can reach 1μΩ. It is applicable for transformer, inductance coil copper resistance, relay contact resistance, switch, connector contact resistance, wire resistance, PCB line and via reistance dan metal defect detection, etc. In the mean time, signals, such as HIGH, LOW, PASS, can be output through HANDLER interface, thus it is very convenient to be used in automatic production line.

  • High and Low Temperature Humidity Chamber

    GDJS/GDJW - Lisun Electronics Inc.

    •The chamber is produced by SUS304 Steel, the temperature keeping material is produced by Polyurethane hard foam and ultra-fine fibre glass, the doorframe heat insulated by Double high temperature aging silicone rubber door sealing strip. •The temperature controller is used by Korean TEMI display in English/Chinese and German Siemens PLC, it can be communicated to PC via RS-232. The temperature accuracy is 0.1℃ and humidity is 0.1%R.H •The temperature sensor is platinum PT100 Ohms/MV resistor •The heating system is full separately system which produced by Nickel chromium alloy electric heating type heater •The cold system is applied by fully enclosed fan cooled single-stage and cascade refrigeration mode, the compressor is from France TECUMSEH brand which can allow you get after sales support from many countries •The cyclical system is applied by High temperature low noise air conditioning type motor and Multi blade centrifugal wind wheel •The safety self-protection function include Electric leakage, short circuit, over temperature, motor overheating, compressor pressure, overload, over-current protection •Working Power: AC380V±10% 3phases and frequency 50Hz/60Hz •Working Environmental: Temperature is 5℃~+30℃  Humidity ≤85%R.H

  • Millimeter Wave Continuously Variable Waveguide Attenuators

    Fairview Microwave Inc.

    Our millimeter wave variable waveguide attenuators allow designers and engineers to test their systems at various signal strengths and attenuation values to determine the optimum signal performance of the system. The key feature of these waveguide attenuators is that the attenuation level is adjusted using a built-in micrometer which enables repeatable and rapid re-setting to different attenuation levels without the need for additional external components. Our waveguide attenuators handle varying attenuation levels from 0 to 30 dB over the specified band allowing the designer to tune the attenuation level needed for the application. These continuously variable waveguide attenuators cover a broad frequency range of 33 to 110 GHz in five bands and also display flat performance across a wide band with low insertion loss.

  • Precision LCR Meter

    TH2816A - Changzhou Tonghui Electronic Co., Ltd.

    TH2816A is a new precision LCR meter combined with years of technical experience and newest measurement technology of instrument industry. With powerful measurement functions, high performance and low cost, TH2816A/TH2816B/TH2817A have been one of the world advanced instruments, and it provides users a super value measurement resolution and experience. The meter offers stable 6 digit resolution, wide frequency range (200kHz for TH2816A), programmable signal level (0.01V to 2.0V), up to 30 meas/sec measurement rate, 9 measurement ranges, 30Ω or 100Ω constant output impedance and friendly operation interface. TH2816Acan be used for incoming inspection of components, quality control of product line and high accuracy laboratory use. The HANDLER, GPIB, RS232C interfaces make it easy to build an automatic component test system,

  • Precision LCR Meter

    TH2817A - Changzhou Tonghui Electronic Co., Ltd.

    TH2817A is a new precision LCR meter combined with years of technical experience and newest measurement technology of instrument industry. With powerful measurement functions, high performance and low cost, TH2817A has been one of the world advanced instruments, and it provides users a super value measurement resolution and experience. The meter offers stable 6 digit resolution, wide frequency range (50Hz to 100kHz for TH2817A ), programmable signal level (0.01V to 2.0V), up to 30 meas/sec measurement rate, 9 measurement ranges, 30Ω or 100Ω constant output impedance and friendly operation interface. TH2817A can be used for incoming inspection of components, quality control of product line and high accuracy laboratory use. The HANDLER, GPIB, RS232C interfaces make it easy to build an automatic component test system,

  • Precision LCR Meter

    TH2816B - Changzhou Tonghui Electronic Co., Ltd.

    TH2816B is a new precision LCR meter combined with years of technical experience and newest measurement technology of instrument industry. With powerful measurement functions, high performance and low cost, TH2816B has been one of the world advanced instruments, and it provides users a super value measurement resolution and experience. The meter offers stable 6 digit resolution, wide frequency range ( 50Hz to 200kHz for TH2816AB), programmable signal level (0.01V to 2.0V), up to 30 meas/sec measurement rate, 9 measurement ranges, 30Ω or 100Ω constant output impedance and friendly operation interface. TH2816B can be used for incoming inspection of components, quality control of product line and high accuracy laboratory use. The HANDLER, GPIB, RS232C interfaces make it easy to build an automatic component test system,

  • Universal Signal Conditioner

    Model UDA - tecsis LP

    Model UDA is a universal signal conditioner and amplifier designed for use with all full bridge, strain gage-based transducers. Model UDA turns the analog signal into a user-selectable output of ±5Vdc, ±10Vdc, or 4-20mA. This versatile unit features selectable excitation of 2.5 or 5.0Vdc bridge voltage and has a wide DC power input range from 11 to 28Vdc to adapt to a variety of installations. Model UDA includes a wide zero and span adjustment range and a symmetry adjustment for applications requiring precision in both tension and compression. The configurable low pass filter actively removes unwanted high frequency signal components. The unit is housed in a rugged DIN-mountable enclosure with screw terminals to provide connection for power, analog output, shunt calibration, and sensor signals.

  • Multifunction Tester(Insulation & Earth restistance)(LCD Display)

    9000 MF - Standard Electric Works Co., Ltd

    ● 9000 MF multi-function tester is a combination of insulation tester and earth resistance tester● Insulation output voltage : 50V, 100V, 125V, 250V, 500V, 1000V● 1mA test current on insulation test at nominal voltage● Auto-detection AC/DC voltmeter● Continuity short-circuit current > 200mA● Continuity open circuit voltage > 4.1V● PI and DAR indication● Maximum insulation range 8GΩ ( 8000MΩ ) at 1000V● Auto ranging on all insulation ranges● Continuity range : 2000Ω and 200.0Ω (auto ranging )● Auto power off● Test frequency of earth resistance measurement : 128 Hz● Earth resistance measurement for 3 ranges : 40Ω / 400Ω / 4kΩ● Earth resistance resolution : 0.01Ω / 0.1Ω / 1Ω● Earth voltage measurement : 400V● Auto-null ( Relative mode ) function● Backlight function● Low battery

  • Programmable AC Power Source

    LSP-500VAC - Lisun Electronics Inc.

    • Applied with the AC-DC-AC inverter technology and digital waveform synthesis & waveform feedback technology, low distortion power; • Applied with entire cycle high-precision measurement technology and high-speed sampling technologies, panel of instrument will directly and accurately displays the power output of the voltage, frequency, current, active power and power factor to achieve the integration of the source table; • Applied with SCM control and measurement technology, high intelligence; • Applied with zero output impedance technology, the output equivalent impedance is almost zero and further improve the stability of power supply; • Applied with isolated floating output technology, the power output and input have good isolation, floating output, conducive to make sure power itself safety and operator’s safety; • Perfect voltage, current anomalies and overheating protection, improve the reliability of power supply; • Applied with power limiting technology to avoid strong interference on the power grid and other electrical equipment, while facilitating reliable operation of the power supply itself; • The input voltage can be option via a toggle switch of panel mains 110V/220V; • The initial phase and end phase of the output voltage waveform can be set {0°-359° (±1°)}; • Measurement process can be programmed to control (1 to 50 memory groups, 1 to 9 steps for each memory group);

  • 20 GHz Signal Source

    VCO Series - SignalCore, Inc.

    The SC5510A and SC5511A are VCO-based, synthesized signal sources with very low phase noise and an amplitude control of 0.01 dB throughout its -30 dBm to +15 dBm output power range. By utilizing a unique multiple phase-locked loop architecture, phase spurs are kept below -70 dBc across the entire tuning range, even at 1 Hz step resolution. Download the data sheet to see how the impressive features and specifications of these modules make them stand out when compared to other small modular synthesizers. These 20 GHz signal sources include an additional, independent RF2 channel with a tunable frequency range from 100 MHz to 3 GHz and a tuning resolution of 25 MHz. The extra channel makes the modules suitable for either single-stage RF conversion systems or dual-stage image suppression up/down converter systems. Both modules make great general-purpose laboratory signal sources where demanding low phase noise and signal purity are required. They are both ideal choices as an integrated clock source for fast DAC and ADC applications, especially those that require variable sampling rates. Full implementation instructions, GUI, driver software, and example code are provided with each module.

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