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PIE Milliamp (mA) & Process Loop Calibrators

The Practical Instrument Electronics PIECAL 134, 334, 334Plus, 434, 532, and 535 are the industry's premier handheld milliamp (mA) calibrators. These units feature fuse-less protection, rugged design, long battery life, HARTŪ compatibility, and displays measurements in either mA or %.

Check out the Patented Loop Diagnostic on the 334Plus & 434 as well as the Advanced Loop Diagnostics & HART detection on the 532!

Milliamp (mA) Calibrators

Click on a calibrator for more information....
Model 334
Model 334
4-20 mA Loop Calibrator

Model 334 Plus
Model 334Plus
4-20 mA Loop Calibrator

Automated Diagnostic Loop Calibrator

4-20 mA Loop Calibrator

Model 532
Model 532
4-20 mA / V Loop Calibrator
With Loop Diagnostics

Model 535
Model 535
4-20 & 10-50 mA / V
Dual Range Loop Calibrator

Function Comparison
  Source & Read
4-20 mA
2-wire Sim &
PWR Meas
Source V Read V mA Resolution Loop
Source & Read
10-50 mA
334 X X   X 0.01 mA    
334P X X   X 0.001 mA X  
434 X X   X 0.001 mA X  
134 X X     0.01 mA    
532 X X X X 0.001 mA X  
535 X X X X 0.001 mA   X
X - Indicates best in class

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* PIECAL Calibrators are not manufactured or distributed by Fluke Corp.,Transmation Inc. or Altek Industries, Inc., manufacturers of Transmation and Altek Calibrators.
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