Fluke – Milliamp Process Clamp Meter (Model: 773)

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 Need more hours in your day?

Save time by NOT breaking the loop on 4-20 mA signal measurements.

Are you spending time:

• Taking mA measurements by removing a wire and breaking the loop
• Calling the control room to isolate a loop
• Testing analog input/output on a console
• Troubleshooting devices with mA inputs and outputs
• Repairing intermittent or erratic 4-20 mA loops
• Going back to the shop to get extra tools

If you need more time in your busy day take a good look at the Fluke 773 mA Clamp Meters. It’s designed to save you time, and money, by eliminating time wasting activities. Now you can troubleshoot and repair 4-20 mA loops without breaking the loop or bringing down the system.

Here are some specific ways the Fluke 773 Clamp Meters will help you:

Milliamp Clamp Features	Application	How it saves time and money
Measure mA signals for PLC and control system analog I/O without breaking the loop.	Measures low level dc current	Correlate process indication with real physical value
Measure output signals from transmitters without breaking the loop	Maintain and troubleshoot process and automation equipment without breaking the loop	No disruption to the process
Detachable clamp with extension cable	Measurements in tight locations	Enables measurements in difficult situations
Source, simulate and measure mA signals in circuit (break the loop)	Confirm non-contact measurement. ve the next tool in hand for troubleshooting (source simulate)	Eliminates the need to return to the shop to get a loop calibrator for troubleshooting after finding a bad signal with non-contact measurement
Source and measure VDC	Troubleshoot voltage input and output devices.	Measure presence of 24V loop power. Measure 1 to 5 or 0 to 10V process signals. Test chart recorders
4 to 20 mA In/out	Dual channel mA source and measurement for troubleshooting	Source 4 to 20 mA signals into valves and mA signal conditioners and simultaneously measure 4 to 20 mA positioning output signals.
4 to 20 mA scaled output	Scaled mA output provides a mA signal output representative of the measured mA value	Connect a logging DMM and log the mA signal without breaking the loop
Loop power supply	Power a transmitter	Substitute testing of the installed 24V loop power supply. Power a transmitter and measure its mA output signal for troubleshooting.
Dual backlit display with both mA measurement and percent of 4 to 20 mA span	Clear measurement presentation	Allows quick measurement evaluation
Measurement Spotlight	Illuminates hard to see wires in dark enclosures	Measurement process is easier and quicker
Measure up to 99.9 mA range non-contact	Wide range of measurements	Measures 10 to 50 mA signals in older control systems
Automatic power off	After 15 minutes and 2 minute automatic off for backlight and spotlight	Saves battery life

Features

The 773 mA Clamp Meter features: Best in class 0.2 % accuracy 0.01 mA resolution and sensitivity Measure 4 to 20 mA signals without ”breaking the loop” Measure mA signals for PLC and control system analog I/O Dual backlit display with both mA measurement and percent of 4 to 20 mA span Measurement Spotlight illuminates hard to see wires in dark enclosures Detachable clamp with extension cable for measurements in tight locations Measure 10 to 50 mA signals in older control systems using the 99.9 mA range Automatically change the 4 to 20 mA output for remote testing Power saving features, auto-off, backlight timeout extend battery life Hold function captures and displays changing measurements Measure 4 to 20 mA signals with in-circuit measurement Simultaneous mA in-circuit measurement with 24V loop power for powering and testing transmitters Source 4 to 20 mA signals for testing control system I/O or I/Ps mA output linear ramp or 25% step output Automatically change the 4 to 20 mA output for remote testing DC voltage measurement to verify 24V power supplies or voltage I/O signals Source DC voltage to test input devices that accept a 1-5V or 0 to 10V signals Scaled mA output provides a continuous mA signal that corresponds to the 4 to 20 mA signal measured by the mA clamp Enables milliamp signal logging to a separate logging device without breaking the loop Output mA signal enables a logging DMM or other device to record the 4- to 20 mA signal without breaking the loop mA in/out: simultaneously measure the mA signal with the clamp and source a mA signal Apply a mA input signal to a device and measure its’ 4-20 mA output on devices such as valves or mA isolators Voltage output linear ramp or 25% step output Automatically change the voltage output for remote testing What’s the difference between the 77X models? . Fluke-771 Fluke-772 Fluke-773 . Non-contact mA loop measurement Integrated mA loop troubleshooting Advanced process troubleshooting mA measure, jaw mA measure, in circuit . Loop power . mA source . DCV measure . . DCV source . . mA scaled output . . mA in / out . .

Specifications

Environmental Specifications
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	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  Note: 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

Resource & Download

 Manual

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Functional Specifications
mA measurement  (Measured by clamp) 771/772/773	Resolution and Range:          0 to 20.99 mA Accuracy:                             0.2%+2 counts Resolution and Range:          21.0 mA to 100.0 mA Accuracy:                             1% + 5 counts
mA measurement  (Measured in series with test jacks) 772/773	Resolution and Range:          0 to 24.00 mA Accuracy:                             0.2% + 2counts
mA source (Maximum mA Drive:  24 mA into 1,000 ohms)	Resolution and Range:          0 to 24.00 mA Accuracy:                             0.2% + 2counts
mA simulate  (Maximum voltage 50 V dc)	Resolution and Range:          0 to 24.00 mA Accuracy:                             0.2% + 2counts
Voltage source (2 mA maximum drive current)	Resolution and Range:          0 to 10.00 V dc Accuracy:                             0.2% + 2counts