The Practical Instrument Electronics (PIE) Model 322, 422, 520B, 521B and 525B are the industry's premier handheld Thermocouple 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 525B also features a dual role as an RTD calibrator!
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Thermocouple Calibrator Source and Read with 4 types
Thermocouple Calibrator Source and Read with 14 types
Thermocouple Single Type Source
Thermocouple Source with 14 types
Automated Thermocouple & RTD