Watson Smith Type 100X and 101X Failsafe I/P converters

Rugged and reliable force balance electro mechanical converters for use in both process control and industrial applications. This unit is very popular for general industrial applications. It has good resiliance to harsh environments. It is for this reason that we keep this unit in stock and it is available for same day despatch.

Type 100X and 101X I/P converters are suitable for a wide range of applications and equipped with an IP65 weatherproof rating.


Type 100 and Type 101X - Electro Mechanical E/P & I/P


  • 4-20mA, 0-10V; 0-60mA signal options
  • Pressure ranges from 3-15psig (0.2-1bar) to 3-120psig (0.2-8bar)
  • Two wire or three wire versions (12/24V)
  • High Flow - 280l/min (10scfm)
  • Weatherproof to IP65
  • Intrinsically safe versions available
Type 100X I/P converter



We keep the standard model 400100R and 5340R0100R (4-20mA input / 3-15psi output) in stock



List of available models (all of the following are suitable replacement units for model starting with "53"): 5340R0100R, 40002XR, 40005XR, 400096R, 400100R, 5340R0100R, 400110R, 40017XR, 40031XR, 40049XR, 40052XR, 40061XR, 40063XR, 40064XR, 400700R, 40076XR, 40082XR, 40085XR, 40093XR, 40099XR, 402100R, 420086XR, 440100R, 44011XR, 442100R, 490100R, 49032XR, 49035XR, 49044XR, 49045XR, 49046XR, 492100R, 500096R, 50010XR, 50014XR, 500400R, 5354R0400R, 502400R, 54001XR, 540400R, 542400R, 560400R, 562400R, 57012XR, 57016XR, 570400R, 572400R


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 !


One Download

100X I/P (130 KB)

Instruction Manual

One Download

Type_100X_Instruction_Manual (582 KB)

See also

Our full range of Watson Smith I/P Converters

We supply Type 100X, Type 101X , Type 140 and Type 422 usually from stock.
i to p converter sub

Our range of valve positioners

A complete range of valve positioner including pneumatic, eletro-pneumatic and digital positioners.
PMV electropneumatic sub

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