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Time Standards

An absolute criterion for measuring time.

See Also: Time, Time Reference, Timers, Time Interval, GPS Time, Time Code, Time Domain, Timing, Hydrogen Masers, Atomic Clocks


Showing results: 226 - 240 of 546 items found.

  • Smart Grid Testing

    QualityLogic

    The Smart Grid empowers active management, oversight and participation by both producers and consumers of electrical energy. Achieving this empowerment requires overlaying communications infrastructures and related products on the power grid in effect, connecting all of the pieces in a power grid to the Internet so communication can take place in real time. Current products test and certify emerging smart grid communications standards OpenADR, IEEE 2030.5 (SEP 2), and IEC 61850.

  • USB Sound Level Datalogger - Compact, High Accuracy Sound Level Datalogger with Tripod

    Extech 407760 - Extech Instruments Corporation

    407760 Sound Level Datalogger can record up to 129,920 records and uses a USB interface for easy setup and data download. The datalogger meets ANSI and IEC 61672 Class 2 standards with a 1.4dB accuracy. Additional features include A and C weighting, Fast/Slow response time, and 2 start methods: programmed (from PC) or manual. Comes complete with software, tripod, USB extension cable, windscreen, and 3.6-Volt Lithium battery.

  • Thermal Resistance Spectroradiometeric System for LED

    TRS-1000 - Lisun Electronics Inc.

    Thermal parameter is the key index to evaluate the quality of LED. Different temperature will have significant different effects on optical parameters, color parameters, electricity parameters and life of LED. Therefore, design and control of the thermal dissipation are the most important thing for the manufacturers and users. Referring to the relative international standard, TRS-1000 could conduct integration testing on optic, color, electricity and thermal, meanwhile record the changing curve of the parameters at real time.

  • 300-Watt AC/DC Power Supply, 6U VME

    Model 56SQ2 - North Atlantic Industries

    NAI’s 56SQ2 is a 300 Watt AC/DC Power Supply that uses two slots in a standard VME chassis. It is conduction-cooled through the card edge/wedgelock. This power supply accepts either a single- or three-phase input and provides up to 5 standard VME outputs plus standby at 300 Watts. It is designed for VME and general purpose applications. An onboard microcontroller allows for design flexibility.Standard features include continuous Background Built-in-Test (BIT); remote error sensing; holdup time; and protection against transients, overvoltage and short circuits. Options such as power fail warning, vibration testing, over-temperature monitoring and shutdown, current share, and extensive signaling (including ANSI/VITA) are available.

  • Portable optical DO meter

    ARO-PR - JFE Advantech Co., Ltd.

    The Portable optical DO meter makes use of the fast-response optical DO sensor RINKO, maintaining its high-speed response performance (99% response < 7sec). The meter probe is equipped with a temperature sensor close to the sensing foil, and the measurements are made by simply inserting the probe into a DO sample bottle (the calibration is carried out using the National Metrology Institute of Japan (NMIJ) certified traceable gases standards). Differently from galvanic electrode sensors, the instrument does not require water sample stirring or fixing reagents, since there is no oxygen consumption. Thus, the required time to estimate dissolved oxygen is considerably reduced. The display unit shows the output instantaneously, and you can check the measured values in real time.

  • Eurostat Turnstiles

    Eurostat Group

    For companies who need to ensure that the operators cannot enter the EPA unless their wrist straps and footwear are compliant every day• The turnstiles comply with ANSI/ESD S20/20 specification and ISO standards record keeping requirements • Both ESD safe shoes are tested separately through measuring electrodes, installed in the contact mat.• This system tests operators quickly (≤ 3 sec) and automatically and generate reports for the ESD coordinator• Communication with a server for traceability (Operator ID, Time & Date, Test values etc…)• LCD screen showing real time measurement• Keypad• Hygrometry measurement• Choice of measuring ranges and system calibration directly with the software• HID Wiegand interface, compatible to any HID card format

  • High Speed Cameras

    MINI SERIES - Photron Ltd.

    Three performance level models – Mini AX50, AX100 and AX200 – deliver 1-megapixel image resolution (1024 x 1024 pixels) at frame rates up to 2,000fps, 4,000fps and 6,400fps respectively. All three Mini AX models offer a minimum exposure duration of 1μs as standard with recording memory options up to 32GB providing extended recording times and triggering flexibility. (Sub-microsecond option available on MINI AX200, subject to export approval).

  • Hybrid Verification Platform

    HES-DVM - Aldec, Inc.

    HES-DVM™ is a fully automated and scalable hybrid verification environment for SoC and ASIC designs. Utilizing the latest co-emulation standards like SCE-MI or TLM and newest FPGA technology, hardware and software design teams obtain early access to the hardware prototype of the design. Working concurrently with one another they develop and verify high-level code with RTL accuracy and speed-effective SoC emulation or prototyping models reducing test time and a risk of silicon re-spins.

  • Noise Analysis Software

    noiseLAB - DELTA

    noiseLAB is a professional software recording and analysis package for making Type 1 Precision measurements to international standards. Precision Recorder: noiseLAB makes high quality recordings of up to 8 channels of sound. Precision Analysis of: Sound Level (Fast, Slow, Impulse, Taktmak. Custom Time Constant, Leq). Statistical Values (L1, L5, L10, L50, L90, L95, L99). Octave Spectra (1/1, 1/3, 1/6, 1/12, and 1/24th octave).....

  • Automated Liquid Handling

    PerkinElmer Inc.

    With dedicated workstations designed for a diverse variety of applications, along with the ability to customize liquid handling workstations based on your needs, our innovative automated liquid handling solutions enable you to minimize errors, reduce hands-on time, and increase throughput and reproducibility. With flexibility in throughput, capacity and dynamic volume range, high quality manufacturing standards, and outstanding customer service and support, we offer solutions optimized to meet your laboratory’s needs.

  • Portable Temperature Calibrators

    Mensor Corp.

    Portable temperature calibrators (dry-well calibrators) are electronic controllers which automatically, quickly and dryly supply a temperature. Due to the high reliability, accuracy and simple operation, portable temperature calibrators are particularly suitable as a factory/working standard for the automatic testing and/or calibration of temperature measuring instruments of all types. A major advantage is offered by the large sleeve diameters and the fast, stable temperature control, since, as a result of these characteristics, the time for calibration can be used very effectively.

  • Signal Generators

    Bank Elektronik

    "Signal generator" is the generic name for instruments which produce time - dependent voltages which are used to stimulate other processes, e.g. electrochemical reactions. Standard types are ramp generators, also called sweep generators which produce linearly varying voltages, pulsgenerators, sine wave generators and arbitrary signal generators. Generally, D/A - converters are also to be regarded as "signal generators". This page, however, deals with stand-alone signal generators only.

  • Laser Diffraction Particle Size Analyzer

    SALD-2300 - Shimadzu Corp.

    The new standard in the SALD series. While maintaining continuity and compatibility with respect to the data of the SALD2000/2100/2200, which were popular, widely distributed models, this instrument is equipped with many new functions useful for evaluating changes (dispersion, aggregation, dissolution) in particle size distribution relative to the concentration or time. It supports a particle concentration range from 0.1 ppm to 20% and can perform a series of measurements of 200 data points at 1 second minimum intervals.

  • DR02 pyrheliometer

    Hukseflux Thermal Sensors B.V.

    DR02 is a high-accuracy direct (normal incidence) solar radiation sensor with a short response time. The scientific name of this instrument is pyrheliometer. DR02 pyrheliometers comply with the first class specifications of the ISO 9060 standard and the WMO Guide. DR02 pyrheliometer has a heated window and is used in tracker-mounted operation. Its fast response makes it very suitable for PV (photovoltaics)-related applications. DR02 can be connected directly to commonly used data logging systems.

  • Heat Seal Tester

    HST-01 - Jinan Leading Instruments Co., Ltd.

    HST-01Heat Seal Tester seals the specimen to determine the seal parameters of basicfilm, laminated films, coating paper and other heat sealing laminated filmsaccording to the requirement of relative standards. The seal parameters includeheat seal temperature, dwell time, and the pressure of heat seal. Heat sealmaterials that have different melting point, heat stability, fluidness, andthickness of could show various heat seal properties, which cause obviouslydifferent seal technique.

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