HART pressure transmitter SIRAS P21 AR
4-20 mAthreadedfor liquids

HART pressure transmitter - SIRAS P21 AR - JUMO Group - 4-20 mA / threaded / for liquids
HART pressure transmitter - SIRAS P21 AR - JUMO Group - 4-20 mA / threaded / for liquids
HART pressure transmitter - SIRAS P21 AR - JUMO Group - 4-20 mA / threaded / for liquids - image - 2
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Characteristics

Output
HART, 4-20 mA
Mounting
threaded
Fluid
for liquids, for gas, for steam
Material
stainless steel
Protection level
SIL 2
Applications
process
Other characteristics
programmable, two-wire
Pressure range

Max.: 100 bar
(1,450.38 psi)

Min.: 0 bar
(0 psi)

Precision

0.05 %

Long-term stability

Max.: 0.1 %

Min.: 0 %

Description

Overview
The JUMO SIRAS P21 AR pressure transmitter reliably measures relative and absolute pressure of liquids, steam and gases. Developed for safety-related plants in accordance with DIN EN 61508, it is suitable for integration in safety measuring chains in the process industry and mechanical engineering.

Highlights
  • Safety Integrity Level: SIL 2 / SIL 3; Performance Level: PL c / PL d
  • Long-term stability: < 0.1 % per year
  • Linearity: 0.05 %
  • Outputs: 4–20 mA two-wire; HART® (up to 4 configurable measured values)


Technical data (excerpt)
  • Measuring range: Up to 100 bar
  • Linearity: 0.05 %
  • Long-term stability: < 0.1 % per year
  • Outputs: 4–20 mA, two-wire; HART® (4 configurable measured values)
  • Process connection: Thread
  • Wetted materials: Stainless steel (316L)
  • Approvals: SIL 2 / SIL 3 (DIN EN 61508), DIN EN 13849 (PL), PED 2014/68/EU (in combination with JUMO safetyM STB/STW and transmitter power supply unit)


Specifications
  • Programmable transmitter parameters
  • Sensor and housing in stainless steel
  • Designed for use within safety measuring chains
  • Comprehensive diagnostic and error detection functions

Catalogs

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Exhibitions

Meet this supplier at the following exhibition(s):

InnoTrans 2026
InnoTrans 2026

22-25 Sep 2026 Berlin (Germany) Hall CityCube, A - Stand 240

  • More information
    Aquarama 2026
    Aquarama 2026

    29-29 Oct 2026 Leuven (Belgium)

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    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.