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PIE Thermocouple (T/C) & Temperature Calibrators

The Practical Instrument Electronics (PIE) Model 322, 422, 520B, 521B and 525 are the industry's premier handheld Thermocouple (TC or T/C) calibrators. These small, lightweight, rugged calibrators provide several T/C curves, including mV, with the flexibility for custom curves to meet your needs! These units feature long battery life, selectable C or F, and internal cold-junction compensation.

The Model 525 also features a dual role as an RTD calibrator!

Thermocouple (T/C) Calibrators

Click on a calibrator for more information....
PIECAL 322
PIECAL 322-1
T/C Source and Read with 4 types
Plus mV

PIECAL 422
PIECAL 422
T/C Source and Read with 14 types
Plus mV

Model 520B
Model 520B
T/C Single Type Source

T/C Type
Model 521B
Model 521B
T/C Source with 14 types
Plus mV

Model 525
Model 525
T/C & RTD
Dual Calibrator

Function Comparison
Source 1
T/C Type
Source
Selectable
T/C Types
Read
T/C
Resolution Auto-stepping Source & Read
RTD
520B X 0.1
521B 14 0.1
322 4 X 0.1
422 14 X 0.1
525 X X 0.1 or 0.01 X X
X - Indicates most accurate calibrator in that function
 
 
 
 
 

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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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