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Model: SS421      Name: Tri-Clamp fitting pressure sensors

● CE conformity
● Stainless steel 316L diaphragm
● 1", 1.5" or 2" Tri-Clamp connections
● Various kinds of electrical connections
● Based on piezoresistive technology, silicone oil filled
● 4-20mA or 0-10V, 0-5V, 0.5-4.5V analog signal output
● Pressure ranges available from 0...0.1bar to 0...60 bar in gauge or absolute


SS421 series Tri-Clamp fitting pressure sensors are designed with piezoresistive sensor technology, the piezo-resistive silicon chip is anodic bonded on a very stable glass base, which is attached to a stainless steel construction. This assembly guarantees an excellent thermal insulation. The chip is isolated from the process by a stainless steel diaphragm (1.4404 / 316L) and a filling liquid. This stable structure, coupled with a high-performance electronics circuit, make the sensors offer a very high accuracy over a wide temperature range, an excellent repeatability and long time stability.

SS421 series Tri-Clamp fitting pressure sensors are available with industry standard 1", 1.5" or 2" sanitary clamp fittings, pressure ranges include vacuum, compound and gauge ranges as low as 50 inches water column, 4-20 mA 2-wire output signal, 0 - 10 v, 0 - 5 v, 0.5 - 4.5 v 3-wire voltage signal. Typically applications in food processing, beverage or bio/pharmaceutical applications as well as industrial applications that require a rugged, high accuracy pressure transmitter.

Piezoresistive pressure transmitter
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