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Reliably and Precisely

Pressure Transmitter Enables Safety Measuring Chains up to SIL 3

by editorial staff WORLD OF INDUSTRIES

The Jumo Siras P21 AR / DP programmable pressure transmitter is approved for use in safety-related plants with Safety Integrity Level (SIL) according to DIN EN 61508 and Performance Level (PL) according to DIN EN 13849.

Jumo Siras P21 AR / DP can be used in a variety of applications so that it reliably and precisely measures the relative, absolute, or differential pressure of liquids, steam, and gases. It is an extension of the JSP portfolio (Jumo Safety Performance) which can be used in combination with the Jumo safety M STB/STW safety temperature limiter/safety temperature monitor and the Jumo transmitter power supply unit as an immediately operational safety chain for SIL2 or SIL3. This safety measuring system is certified according to the Pressure Equipment Directive (PED 2014/68/EU). Jumo provides the required certificates and all safety-related system properties in a clearly arranged manner, so that the safety assessment effort for the user is significantly reduced.

The factory-set measuring ranges for the Jumo Siras P21 AR / DP are up to 100 bar relative pressure and up to 100 bar absolute pressure. Jumo Siras P21 AR / DP is particularly impressive due to its high degree of precision. Long-term stability is less than 0.1 % per year, while the linearity is 0.05 %. All materials in contact with the media are made of stainless steel (316L). As a result, CIP cleaning is possible without any problems. Measurement outputs have available: 4 to 20 mA, two-wire, and Hart with four configurable measured values.

Photo: Jumo


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