PR Electronics 4 Series Programmable Signal Conditioner

RS Stock No.:
Mfr. Prt No.:
PR Electronics

Technical Reference

Legislation and Compliance

RoHS Certificate of Compliance

RS Components
RoHS Certificate of Compliance

EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.

Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.

RS definition of RoHS Compliance:

  • The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
  • and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering

The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:

PBB (Polybrominated Biphenyls)0.1%
PBDE ( Polybrominated Diphenyl Ethers)0.1%
Hexavalent Chromium0.1%
DEHP (Bis (2-Ethylhexl) phthalate)0.1%
BBP (Benzyl butyl phthalate)0.1%
DBP (Dibutyl phthalate)0.1%
DIBP (Diisobutyl phthalate)0.1%

The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".

RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.

Compliant Product Details
RS stock number 7966913
Product description PR Electronics 4 Series Programmable Signal Conditioner
Manufacturer / Brand PR Electronics
Manufacturer part number 4131

RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 7966913
Product description PR Electronics 4 Series Programmable Signal Conditioner
Manufacturer / Brand PR Electronics
Manufacturer part number 4131

The foregoing information relates to product sold on, or after, the date shown below.


Date Sep 28, 2023

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: DK

Product Details

PR Electronics DIN Rail Mounting

4131 Multi-Functional Signal Conditioner

From PR Electronics, the 4131 Universal Trip amplifier with window function defined by a high and a low set point. The robust single channel transmitter features a wide range of freely programmable inputs. These include RTD or thermocouple inputs for temperature measurement. Linear resistance, potentiometer and voltage or current including 2-wire transmitters. Output is to 2 pairs of potential-free relay contacts which can be configured to suit any application. The 4131 universal device offers the user the flexibility to meet the many demands of today’s industrial applications.

Features and Benefits

• Input for RTD, TC, Ohm and potentiometer, mA and V
• 2 relay outputs with latching functionality
• 2 adjustable alarm limits
• Universal AC or DC supply
• A green front LED indicates normal operation and malfunction and a yellow LED is ON for each active output relay
• 3-port 2.3 kVAC galvanic isolation
• Trip amplifier with window function defined by a high and a low setpoint
• FM-approved for installation in Div 2
• Complies with NAMUR 21 (burst), NE43 (sensor error), LVD and UL 508
• DIN Rail mounting


The 4131 universal transmitters are programmable via the PR 4501 detachable display module (7966890). The 4501 module allows the programming of the vast array of input and output parameters easily and safely. Together with advanced functions including 2 point calibration, process simulation and diagnostics.
With a simple menu and explanatory text the 4501 is extremely straightforward to navigate. Functions are clearly depicted on the 4 line LCD display even in low light conditions. Line 1 shows the input signal, line 2 shows the units, and line 3 shows analogue output or tag number. Line 4 shows the communication and relay status. In addition the 4501 features password protection. Programming access can be blocked by assigning a password which is conveniently saved in the 4131 transmitter. This ensures a high degree of protection is maintained and prevents any unauthorised modifications to the configuration.


Attribute Value
Brand PR Electronics
Input Range 0 → 12 V dc, 0 → 20 mA
Output Range 2 A, 250 V
Mounting Type DIN Rail
Minimum Operating Temperature -20 °C
Maximum Operating Temperature +60 °C
Operating Temperature Range -20 ? +60 °C
Supply Voltage 19.2 → 300 V dc, 21.6 → 253 V ac
Output Type Relay
Module Type Programmable Signal Conditioner
Signal Conditioner Type Analogue → Relay
Series 4
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