Calibrators
Extech Instruments offers precision sources for calibrating process devices and measuring DC Process Signals. The Extech Oyster Series offers current measurement, current source, voltage measurement, voltage source, test 4mA, 12mA and 12mA current loops, as well as measure and source thermocouple type devices J, K, T, E, C, R, S, and N.
All models are equipped with a convenient flip-up 31/2 digit LCD and touch keypad.
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