Watson Smith Type 425 I/P Converter

The type 425 has been made obsolete by Watson Smith and we are therefore no longer able to supply.

However you will find below our suggestion for a suitable Watson Smith replacement unit.

Watson Smith Type 425

Specifications:

Input signal: 4-20mA (two wire)
Output: 0.2 to 1bar (3 to 15psig)
Air supply: Oil free, dry air, filtered to 5 microns; 1.3-4bar (18-60psig)
Connections: 1/4” NPT female standard (plus two integral 1/4” NPT gauge ports)
Failure Mode: Faisafe (output pressure falls to
minimum on power failure)
Explosion proof / Intrinsically Safe
High resolution electronic pressure control
Weatherproof IP66

Suitable replacement

We recommend the Watson Smith type 140 I/P converter as the most suitable replacement for the Type 425. This is the direct replacement for the 425 and the performances, features and certifications are all identical or improved.

Amongst other important features this include triple certification from 3 agencies (including explosion proof and intrinsically safe) high accuracy electronic pressure control, "failsafe" failure mode and IP66 protection.

You can also have a look at our full list of Watson Smith I/P converters here.

Are you looking for a new Watson Smith item, a replacement or just some advice? Not sure where to start? As the top UK distributor for Watson Smith we can help!

Just send us an enquiry or call us now on 01202 480 303 or email us at sales@coulton.com !