PR Electronics 3 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 7967076
Product description PR Electronics 3 Series Programmable Signal Conditioner
Manufacturer / Brand PR Electronics
Manufacturer part number 3103

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 7967076
Product description PR Electronics 3 Series Programmable Signal Conditioner
Manufacturer / Brand PR Electronics
Manufacturer part number 3103

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

PR Electronics 3103 Isolated Signal Repeater

PR 3103 isolated signal repeater for the isolation and 1:1 conversion of standard current signals. Designed for galvanic isolation of current signals to SCADA systems or PLC equipment.
The PR 3000 series is a family of compact, fast, and easy to use 6 mm signal conditioners with exceptional performance and EMC immunity for dedicated applications – including indoor and outdoor environments with wide temperature fluctuations. Designed and rated to operate between 25 ˚C to +70 ˚C, making these devices a good choice in applications where the ambient temperature changes greatly. These high-performance devices utilize our innovative microprocessor technology to provide high base accuracy, low power consumption, and maximum protection against error due to electromagnetic noise.

Features and Benefits

• High basic 0.05% accuracy in all available signal ranges
• 2.5 kVAC isolation and have excellent noise immunity
• NAMUR NE21 burst A criteria
• Transmits rapid changes in process measurements to PLC/DCS for fast and accurate monitoring of critical signals
• Low temperature coefficient better than 0.01% / °C in a wide -25 to +70°C ambient temperature range for precise measurements
• Long term accuracy better than 0.1% / 3 years with no need for re-calibration
• Installation in ATEX Ex zone 2 / IECEx Zone 2 / FM division 2

DIP-switch programming

Re-calibration is not needed after changing the DIP-switch range settings. Just change the DIP-switch, cycle the power to the unit and obtain the new, pre-calibrated I/O range. HART programming is enabled for selected devices.


Devices can be mounted both vertically and horizontally with no air gap separation required. The devices snap onto a power rail or DIN rail and are easily detached by lifting the bottom lock.

High level of isolation

Safe galvanic isolation of 2.5 kVAC provides high noise immunity and prevents ground loops for accurate delivery of the process signal to your control system.

Device status indicators

A front LED indicates device status, e.g. an error in the set-up, sensor or hardware.

Over voltage- / polarity protection

All terminals can withstand up to ±31.2 VDC and are protected against incorrect supply wiring to ensure safe, error-free installation.


Attribute Value
Brand PR Electronics
Input Range 0 → 20.5 mA
Output Range 0 → 20.5 mA
Mounting Type DIN Rail
Minimum Operating Temperature -25 °C
Maximum Operating Temperature +70 °C
Module Type Isolated Repeater
Output Type Current
Hazardous Area Certification ATEX
Signal Conditioner Type Analogue to Current
Series 3
Operating Temperature Range -25 ? +70 °C
Supply Voltage 16.8 → 31.2 V dc
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