2-wire HART 7 Temperature Transmitter

Model : PR 5437

Brand: PR Electronics

  • Head mounted 2-wire HART 7 temperature transmitter
  • RTD input type Pt, Ni, Cu
  • Thermocouple (TC) input type B, E, J, K, L, N, R, S, T, U
  • Potentiometer input: 10 Ω…100 kΩ
  • Voltage input range: -800…+800 mV (bipolar) -100 to 1700 mV
  • Single or true dual inputs with sensor redundancy and drift detection
  • Wide ambient operating temperature of -50 to +85°C
  • Total accuracy from 0.014%
  • 2.5 kVAC galvanic isolation
  • Full assessment to IEC61508: 2010 for use in SIL 2/3 applications
  • Ex versions for mounting in hazardous gas and dust area

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Signal Converter, Temperature Transducer, Transmitter


PR Electronics

Number of Inputs

1, 2

Input Type

Linear Resistance, Potentiometer, RTD, Thermocouple

Number of Outputs

1, 2

Output Type

DC Current


DIP switch, HART Protocol, PR 5909


< ±0.1% of span


ATEX, CSA, EAC Ex, EU-RO marine, FM, IECEx, INMETRO, NEPSI, SIL2 Full Assessment IEC 61508, SIL2, Hardware Assessment, SIL3 Full Assessment IEC 61508

Power Supply

8…30 VDC, Input loop-powered


1.5 kVAC

Operating Temperature

-50 to +85°C

Temperature Coefficient

< ±0.005% of span /°C

Protection Degree

IP 68


Ø44×20.2 mm



Other product features

50 g


90 × 75 × 45 mm


  • Temperature measurement of a wide range of TC and RTD types.
  • Conversion of wide-span linear resistance and potentiometer inputs.
  • Conversion of bipolar mV signals to 4…20 mA.
  • Integration into asset management schemes.
  • Critical applications require superior accuracy and/or sensor redundancy and drift detection.

Technical characteristics

  • True dual input transmitter. The high-density 7-terminal design accepts the widest range of dual input combinations.
  • Sensor redundancy – output automatically switches to a secondary sensor in event of primary sensor failure, maintaining uptime.
  • Sensor drift detection – alerts when sensor differential exceeds user-defined limits for maintenance optimization.
  • Dynamic variable mapping for process data in addition to the primary variable e.g., dual input features such as average, differential, and min./max. tracking.
  • Groundbreaking digital and analog signal accuracy over full input span and ambient conditions.
  • Extensive sensor matching, including Callendar Van Dusen and custom linearizations.
  • Programmable input limits with runtime metering ensure maximum process traceability and sensor out-of-range protection.
  • IEC 61508: 2010 full assessment up to SIL 3 together with enhanced EMC Functional Safety testing to IEC 61236-3-1.
  • 5437xxSx is suitable for use in systems up to Performance Level “d” according to ISO-13849.
  • Meets NAMUR NE21, NE43, NE44, NE89, NE95 and NE107 compliant diagnostics information.

Mounting / installation

  • For DIN form B sensor head mounting.
  • Configuration via standard HART communication interfaces or by PR 5909 Loop Link.
  • The 5437B can be mounted in zone 0, 1, 2, and zone 20, 21, and 22, including M1.

Source: PR5437 Official Page

Product Documents:


PR Electronics Solutions:

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