Universal Temperature & DC Signal Converter (Ex)

Model : PR 9113

Brand: PR Electronics

Isolated barrier and Temperature / mA converter for harsh and hazardous environments.

  • Thermocouple (TC) input type B, E, J, K, L, N, R, S, T, U
  • RTD input type Pt, Ni
  • Analog current input 0…23mA
  • Active / passive mA output via the same two terminals
  • 1 or 2 channels Versions
  • Can be installed on power rail (PR type 9400) or supplied separately
  • 2.6kVAC galvanic isolation
  • SIL 2-certified via Full Assessment

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Isolated Barrier, Signal Converter, Temperature Transducer, Transmitter


PR Electronics

Number of Inputs

1, 2

Input Type

DC Current, RTD, Thermocouple

Number of Outputs

1, 2

Output Type

DC Current

Transmission Rate

2400 to 115200 bit/s


4500 series devices


< ±0.1% of span


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

Power Supply

20…30 VDC


2.6 kVAC

Operating Temperature

-20 to +60°C

Temperature Coefficient

< ±0.01% of span /°C

Protection Degree

IP 20


109×23.5×104 mm



Other product features

1ch, 2ch

Explosion Proof

No, Yes


250 g


175 × 150 × 35 mm

Advanced features

  • Configuration and monitoring through detachable display front (PR 4500); process calibration and signal simulation.
  • Copying the configuration from one device to others of the same type via the display front.
  • TC inputs can use either the internal CJC or a terminal with a built-in Pt100 sensor (PR 5910Ex, channel 1 / PR 5913Ex, channel 2) for higher accuracy.
  • Advanced monitoring of internal communication and stored data.
  • SIL 2 functionality is optional and must be activated in a menu point.


  • 9113Bxx can be mounted in the safe area or in zone 2 / Class 1, Division 2 and receive signals from zone 0, 1, 2, and zone 20, 21, and 22, including mining / Class I/II/III, Division 1, Gr. A-G.
  • Conversion and scaling of temperature (Pt, Ni, and TC) and active current signals.
  • The 9113 has been designed, developed, and certified for use in SIL 2 applications according to the requirements of IEC 61508.
  • Suitable for use in systems up to Performance Level “d” according to ISO-13849.

Technical characteristics

  • 1 green and 2 red front LEDs indicate operation status and malfunction.
  • 2.6 kVAC galvanic isolation between input, output, and supply.


  • The devices can be mounted vertically or horizontally without distance between neighboring units.

Source: PR9113 Official Page

Product Documents:


PR Electronics Solutions:

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