Fluke clamp-meters measure 4-20mA current range
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Fluke (UK) product story
Edited by the Engineeringtalk editorial team
Jun 3, 2009
Fluke has introduced two new milliamp 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 are designed for instrumentation technicians, contractors and process and control installers that carry out milliamp loop troubleshooting on process-control circuits, instruments and automotive systems.
Milliamp clamp meters are designed to help technicians test critical automation and control circuits without breaking the circuit or interrupting operations
They accurately measure minute amounts of current (4-20mA 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 around the wire detect and measure the current flowing through.
The Fluke 772 and 773 can be used to simultaneously source, simulate and measure milliamp signals in a broken circuit, negating the need for additional tools.
The Fluke 773 can also: source and measure DC voltages for troubleshooting voltage input and output devices; power a transmitter for independent checking of its mA output signal; and provide a scaled output signal, to provide data-logging by a Fluke 280 Series Digital Multimeter, for example.
Without breaking the loop, the backlit display gives simultaneous milliamp and percentage span readings, with milliamp resolution to 0.01mA.
The Fluke 772 and 773 models feature a detachable clamp that can be used docked, or detached via its extension cable to facilitate measurement in tight spaces, and a hold function to capture and display changing measurements for convenient viewing.
A built-in flashlight illuminates wires in dark enclosures and a battery-saving feature cuts in automatically after prolonged inactivity.
Users can also measure 10-50mA signals in older control-systems using a 99.9mA range.
The Fluke 771/772/773 Milliamp Clamp Meters are supplied with a soft carrying case.
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Contact Fluke (UK)
Tel +44 207 942 0700
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