• Fluke 772 Milliamp Clamp Meters

  • Đăng ngày 11-07-2017 05:00:56 PM - 151 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 772 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 772 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

    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


Số lượng

The 772 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

 

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

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 59 x 38 x 212 mm, (2.32 x 1.5 x 8.35 in.)
Weight 260G, (9.1 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
(<18? or > 28?)
Power, battery life (2) AA 1.5 V Alkaline, IEC LR6, 40 hours typical
Warranty Three years for electronics one year for cable and clamp assembly

 

Functional Specifications

mA measurement
(Measured by clamp)
Resolution and Range:     0 to 20.99 mA
Accuracy:                        0.2% + 2 counts
Resolution and Range:     21.0mA to 100.0 mA
Accuracy:                        1% + 5 counts
mA measurement
(Measured in series with test jacks)
Resolution and Range:
Resolution and Range:     0 to 24.00 mA
Accuracy:                        0.2% + 2 counts
mA source (Maximum mA Drive:
24 mA into 1,000 ohms)
Resolution and Range:
Resolution and Range:     0 to 24.00 mA
Accuracy:                   0.2% + 2 counts
mA simulate
(Maximum voltage 50 V dc)
Resolution and Range:
Resolution and Range:     0 to 24.00 mA
Accuracy:                   0.2% + 2 counts

 

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