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....
T/C Source and Read with 4 types
T/C Source and Read with 14 types
T/C Single Type Source
T/C Source with 14 types
T/C & RTD
Source 1 T/C Type
Selectable T/C Types
Source & Read RTD
0.1° or 0.01°
X - Indicates most accurate calibrator in that function