• Fluke 773 Milliamp Process Clamp Meter

  • Đăng ngày 11-07-2017 06:02:02 AM - 1918 Lượt xem
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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.

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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?







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 . .


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


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
Voltatge Mesaure Resolution and Range:          0 to 30.00 V dc
Accuracy:                             0.2% + 2counts



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