Legacy Calibrator Products

PSC-4000 Process Signal Calibrator

The Martel Electronics PSC-4000 Process Calibrator is a portable, hand-held, full function voltage and current calibrator with the capability to both read and simulate common process control signals.

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T-140B "Wally-Cal" Analog Gauge Upgrade

Replaces the fragile analog gauge in Wallace & Tiernan calibrators with a high accuracy digital calibrator. The T140B Analog Gauge upgrade allows users of Wallace & Tiernan calibrators to upgrade from the internal...

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T-150 Frequency Calibrator

The T-150 frequency calibrator can generate or read frequencies ranging from 1 count per minute to 100 kHz allowing it to be used for a wide range of flow measuring instrumentation.

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WC-1 "Wally-Cal" Pneumatic Calibrator Upgrade

Send in your old "Wally Box" for an economical conversion and get years more use!

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