Martel Electronics manufactures beta calibrators, multi function calibrators, process calibrators, temperature calibrators,RTD Calibrators, thermocouple calibrators,voltage calibrators,loop calibrators,pneumatic calibrators and loop power supplies.

The Worldwide Source for Calibrators in the Process Industry
3 Corporate Park Dr., Unit 1
Derry, NH 03038
Toll Free: (800) 821-0023
Phone: (603) 434-1433
Fax: (603) 434-1653
sales@martelcorp.com

Legacy Calibrator Products


PSC-4000 Process Signal Calibrator
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, fragile meter to a more accurate digital calibrator. Have one of our authorized Certified Calibration Service Centers complete the upgrade for you at a fraction of the cost of installing a new analog meter. Each unit includes: Drop in faceplate with hardware, 9 volt battery installed, Instruction Manual.

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T-150 Frequency Calibrator
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. The Tuff-Tools line of calibrators is designed to give the technician laboratory grade accuracy in a family of rugged, easy to use instruments. Operation of these calibrators is made easy through the use of a sealed membrane keypad with simple controls. The outputs are set through the use of step and ramp keys which allows both large and small output changes to be made with ease.

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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! You can have one of our authorized Certified Calibration Service Centers upgrade it for you with a brand-new faceplate and replace the expensive analog "guts" with a digital pressure indicator. All of the functions and ranges of the original model are sup-ported, and the accuracy specifications are even better. Your new Wally-Cal I will also feature 0.001 PSI resolution, 0 to 24 mADC and 0 to 20 VDC input ranges, and an integral 24 V loop power supply. Pressure range is 0 to 30 PSI, and a selection of eight engineering units are built in. Call today for more information on ordering your "better-than-new" calibrator upgrade! Each Unit Includes: Test leads, AC adapter/charger, new face plate with digital indicator installed, rechargeable AA NiCd battery pack installed.

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Martel Calibrator Technical Support Documents, including User Manuals and Calibration Documents


Martel Calibrators
3 Corporate Park Dr., Unit 1
Derry, NH 03038
Toll Free: (800) 821-0023
Phone: (603) 434-1433
Fax: (603) 434-1653
Email: sales@martelcorp.com