• Ampe kìm Fluke 772

  • Đăng ngày 04-08-2016 03:34:16 AM - 1608 Lượt xem
  • Giá bán: Liên hệ

  • 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.


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

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% + 5 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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