Product Overview

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As the electro-pneumatic centre of excellence Watson Smith Instrumentation products offers a complete range of precision regulators, electronic regulators, electro-pneumatic converters as well as simple pressure transmitters and meters.


“Our commitment is to offer continuous professional advice and service liaison to all our customers”


For detailed descriptions of all products, please visit our Product Range section

 

CLOSED LOOP


Type 140

Electronic I/P Converter:  Type 140 Failsafe


Highly reliable converter for extreme conditions.   Triple Certification and failsafe operation.

Proportional I/P Converters:

Type 421, 422/423, 425

All electronic I/P Converters have closed loop control, excellent vibration resistance, long stability and can be mounted in any orientation, 4-20mA signal and a range of variations.

Type 421 Type 422 / 423 Type 425
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