Fluke Milliamp Process Clamp Loop Meter 772

The Fluke 772 loop meter 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

Specifications

Diameter of measurable conductor 0.177” or 4.5 mm max

Operating temperature -10 to 50ºC

Storage temperature -25 to 60ºC

Operating humidity 90% @ 30ºC, 75% @ 30 to 55ºC

Operating altitude 0 to 2000 m

IP rating IP 40

Size 44 x 70 x 246 mm (2 7/8 x 5 ¾ x 11 5/8 in)

Weight 410 g, (14.4 oz)

Vibration Random 2 g, 5 to 500 Hz

Shock 1 meter drop test (except the jaw)

EMI/RFI Meets EN61326-1

For current measurement w/ JAW, add 1mA to specification for EMC field strengths of 1V/m up to 3V/m.

Temperature coefficient 0.01% ºC ( 18ºC or 28ºC)

Power, battery life (4) AA 1.5 V Alkaline, IEC LR6, 12 hours in mA source into 500 ohms

Warranty Three years for electronics One year for cable and clamp assembly

Functional Specifications

mA measurement (measured by clamp) Resolution / range 0 to 20.99 mA

Accuracy 0.2% + 5 counts

Resolution / range 21.0mA to 100.0 mA

Accuracy 1% + 5 counts

mA measurement (measured in series with test jacks) Resolution / range 0 to 24.00 mA

Accuracy 0.2% + 2 counts

mA source (maximum mA drive: 24 mA into 1,000 ohms) Resolution / range 0 to 24.00 mA

Accuracy 0.2% + 2 counts

mA simulate (maximum voltage 50 V dc) Resolution / range 0 to 24.00 mA

Accuracy 0.2% + 2 counts