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PIE Thermocouple (T/C) & Temperature Calibrators

The Practical Instrument Electronics (PIE) Model 520, 521, 522, 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!
RTD Wirekit and
Carrying Case FREE

Thermocouple (T/C) Calibrators

Click on a calibrator for more information....
Model 520
Model 520
T/C Single Type Source

T/C Type
Model 521
Model 521
T/C Source with 8 types
Plus mV

Model 522
Model 522
T/C Read & Source with 8 types
Plus mV

Model 525
Model 525
T/C & RTD
Dual Calibrator

Function Comparison
Source 1
T/C Type
Source 9
Selectable
T/C Types
Read
T/C
Resolution Auto-stepping Source & Read
RTD
520 X
521 X 0.1°
522 X 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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