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    FLUKE 772 Integrated Milliamp Process Clamp-Meter

    # 772

    • Measures 4-20mA signals without breaking the loop.
    • Also measures and sources & simulates process signals in-line with 24VDC loop power.
    • Features a detachable clamp with extension cable for measurements in tight locations

    Fluke 772 Milliamp Clamp Meter measures, sources, and simulates 4-20 mA signals for testing control system I/O or IPs


    The Fluke 772 adds to the basic capabilities of the Fluke 771 to save more time and expand its applications. With the 771, you’ll also be able to: source and simulate 4-20 mA signals for testing control system I/O; measure 4-20 mA signals with in-circuit measurement; power a transmitter with the 24 V loop power supply; and automatically ramp and step change the 4-20 mA output for remote testing.

    You’ll be able to test 4–20 mA signals five times faster than with traditional DMMs, and without breaking the loop. That means you can troubleshoot a live device without having to power down, which can save you time, and help you avoid possibly missing something going on in the process.


    Other useful features:

    • Simulates 4-20 mA signals for testing control system I/O
    • Sources 4 to 20 mA signals for testing control system I/O or I/Ps
    • Measures 4 to 20 mA signals with in-circuit measurement
    • Includes simultaneous mA in-circuit measurement with 24V loop power for powering and testing transmitters
    • Features a detachable clamp with extension cable for measurements in tight locations
    • Captures and displays changing measurements with Hold function
    • Offers mA output linear ramp or 25% step output
    • Extends battery life with auto-off and backlight timeout
    • Dual backlit display with both mA measurement and percent of 4 to 20 mA span
    • Measurement Spotlight to illuminate hard to see wires in dark enclosures
    • Measures 10 to 50 mA signals in older control systems using the 99.9 mA range
    • Automatically changes the 4 to 20 mA output for remote testing


    Key features

    • Loop calibrator that measures 4 to 20 mA signals without breaking the loop
    • Features best in class 0.2% accuracy
    • Simultaneously measures the mA signal with the clamp and sources a mA signal
    • Delivers 0.01 mA resolution and sensitivity
    • Measures mA signals for PLC and control system analog I/O
    Diameter of measurable conductor0.177” or 4.5 mm max
    Operating temperature-10 to 50ºC
    Storage temperature-25 to 60ºC
    Operating humidity< 90% @ <30ºC, < 75% @ 30 to 55ºC
    Operating altitude0 to 2000 m
    IP ratingIP 40
    Size44 x 70 x 246 mm (2 7/8 x 5 ¾ x 11 5/8 in)
    Weight410 g, (14.4 oz)
    VibrationRandom 2 g, 5 to 500 Hz
    Shock1 meter drop test (except the jaw)
    EMI/RFIMeets EN61326-1
    For current measurement w/ JAW, add 1mA to specification for EMC field strengths of 1V/m up to 3V/m.
    Temperature coefficient0.01% ºC
    (< 18ºC or > 28ºC)
    Power, battery life(4) AA 1.5 V Alkaline, IEC LR6, 12 hours in mA source into 500 ohms
    WarrantyThree years for electronics
    One year for cable and clamp assembly
    Functional Specifications
    mA measurement
    (measured by clamp)
    Resolution / range0 to 20.99 mA
    Accuracy0.2% + 5 counts
    Resolution / range21.0mA to 100.0 mA
    Accuracy1% + 5 counts
    mA measurement (measured in series with test jacks)Resolution / range0 to 24.00 mA
    Accuracy0.2% + 2 counts
    mA source (maximum mA drive: 24 mA into 1,000 ohms)Resolution / range0 to 24.00 mA
    Accuracy0.2% + 2 counts
    mA simulate (maximum voltage 50 V dc)Resolution / range0 to 24.00 mA
    Accuracy0.2% + 2 counts
    • Four AA alkaline batteries (installed
    • Soft carrying case
    • TL75 test leads
    • AC 72 detachable clip
    • TL 940 mini hook test leads
    • Instruction sheet
    • Hanging tool with hook and loop strap

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