milliamp clamp meters help process techs, electricians and automation specialists save time and money


Fluke Corporation, the global leader in portable electronic test and measurement technology, has introduced two new milliamp (mA) clamp meters designed to help technicians test critical automation and control circuits without breaking the circuit or interrupting operations.

The new Fluke 772 and 773 Milliamp Clamp Meters join the Fluke 771 to deliver a comprehensive range of test and measurement capabilities.  Now technicians in process plants, industrial plants, commercial buildings and automation commissioning teams can choose exactly the range of capabilities they need, at a price that makes sense.

These precision tools are designed for instrumentation technicians, contractors and process vendors who install and commission instruments, process and automation technicians, commercial electricians and automation specialists who do mA loop troubleshooting on process control circuits, instruments and automation I/O.

The Fluke 771, 772 and 773 Milliamp Clamp Meters are engineered to accurately measure the minute amounts of current (4 to 20 mA signals) that flow through control system circuits, without having to shut down the system, break the circuit and insert a test instrument.  Instead, sensitive current clamps placed on the wire detect and measure the current flowing through.  Fluke is the only manufacturer making process mA clamp meters that don’t break the loop.

The result can be a significant savings in time and money that is more important than ever in tough economic times.  Fluke estimates that a technician could save about $588 to $1038 a month, based on estimated hourly rates and the amount of time saved, using the Fluke 77x Milliamp Clamp Meters.

All models feature:

•        mA measure without breaking the loop.

•        Simultaneous mA and % Span readings.

•        0.01 mA resolution on 20 mA applications.

•        Detachable jaw.

•        Built-in flashlight.

•        IP 40 rating.


• Resolution and Range - 0 to 30.00 V dc • Accuracy - 0.2% +2 counts • Diameter of measurable conductor - 0.177” or 4.5 mm max • Operating temperature - -10 to 50 ºC • Storage Temperature - -25 to 60ºC • Operating Humidity - < 90% @ <30 ºC, < 75% @ 30 to 55ºC • Operating Altitude - 0 to 2000 m • IP Rating - IP 40 • Size - 772, 773: 44 x 70 x 246 mm (2 7/8 x 5 ¾ x 11 5/8 in)
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