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Temperature Indicators/Controllers

Universal Indicator with Retransmission Option

Product Code: PR40

Please enter your configuration requirements below (see options). Enter "Not Required" if not required. Examples: Thermocouple Type K, 0 to 180 and Pt100 3-wire, -50 to 300
Configuration requirements:  


Please choose your required product option(s) below before adding to your shopping basket.


Product/Pricing Options:

ModelPrice inc. VAT
( exc. VAT )
Indicator Only100.80
( 84.00 )
( 81.00 )
( 78.00 )
Indicator with 2 Relay Outputs and Retransmission127.20
( 106.00 )
( 102.00 )
( 98.00 )
The PR40 universal indicator and alarm controller offers a one-product solution for hundreds of applications! Can be supplied pre-configured to suit your application requirements or easily configured with the TX-USB configuration kit.

Note: if configuration requirements are not specified in "Configuration requirements" section above the unit will not be supplied pre-configured. Please contact us if you need help.

Available in two versions: PR40U (indicator only) or PR40UR (indicator with 2 relay outputs and retransmission). The retransmission output option enables the indicator to also be used as a transmitter.

• Universal input
• Easy USB setup in minutes
• USB powered setup
• Pre-calibrated ranges
• Designed for harsh environments
• Large 20mm high super-bright LED display
• Relay/Retransmission options (PR40UR model only)
• 20V excitation (to power transmitters)
• Shallow depth unit
• Custom linearisation
• 0.03% basic accuracy

Technical Details (Common)
Power Supply100-300V DC / 85-265V AC
InputUniversal (see below for input specifications)
EMC ComplianceEmissions (EN 61326), Immunity (EN 61326), Safety (EN 61010-1)
DisplaySuper bright 20mm (0.8 inch) display 4 digits (7 segment)
Accuracy < ±0.03% FSO typical
Ambient Drift< ±0.003%/°C FSO typical
Noise Immunity125dB CMRR average (2.0kV DC limit)
R.F. Immunity<1% effect FSO typical
Response Time400ms (RTD / Thermocouple), 100ms other ranges
Isolation Test Voltages Between input/output 3750V AC for 1 minute
Operating Temperature-10°C to +50°C
Storage Temperature-20°C to +60°C
Operating Humidity5-85% RH max (non-condensing)
Dimensions96mm (W) x 48mm (H) x 53mm (D) (panel mounting)
Panel Cutout Dimensions92mm (W) x 45mm (H)


RTD Input Specifications
InputPt100 or Pt1000 DIN 3-wire type (2-wire can be used with offset calibration)
Sensor Current0.3mA nominal
Sensor Break Output DriveFunction high upscale/low downscale
Lead Wire ResistancePt100 (10Ω/wire max), Pt1000 (5Ω/wire max) 0.02% FSO offset error per Ω of lead resistance mismatch
Linearity (Pt100)0.02% FSO for span inputs ≤ +200°C
0.1% FSO for span inputs ≤+300°C
Linearity (Pt1000)0.02% FSO for span inputs ≤ +200°C
0.2% FSO for span inputs ≤+300°C


Thermocouple Input Specifications
Thermocouple TypesK, J, T, N, E, R, S, B
Input Impedance1MΩ min
Thermocouple Lead Resistance100Ω max
Cold Junction Compensation-10°C to +70°C
AccuracyTypes K, J, T, N, E: < ±1°C
Types R, S, B: < ±2°C
Temperature Drift Types K, J, T, N, E: < ±0.05°C/C
Types R, S, B: < ±0.2°C/C
Sensor Break Output DriveFunction high upscale/low downscale
CJC Error < ±1°C


N.T.C. Input Specifications
OEM Customers - contact sales for further information


Current Input Specifications
USB Programmable Zero0 to ±99% of span
Field Programmable Span1μA-24mA DC
Input Resistance10Ω
Maximum Over-Range50mA DC continuous
Linearity and Repeatability< ±0.02% FSO typical


Voltage Input Specifications
Ranges0-1V, 0-10V, +10V to -10V, 0-30V, 0-300V
USB Programmable Zero0 to ±99% of span
USB Programmable Span95% of FSO
Input Resistance1MΩ min
Linearity and Repeatability< ±0.02% FSO typical


Potentiometer Input Specifications
Potentiometer Input3-wire
Excitation VoltageVariable
Potentiometer Resistance0-2kΩ low pot, 0-5kΩ med pot, 0-20kΩ high pot
Field Programmable Zero0-90% of span
Field Programmable Span0.1-100%
Linearity and Repeatability< ±0.05% FSO typical


mV Input Specifications
Ranges0-200mV, ±200mV
USB Programmable Zero0 to ±99% of span
USB Programmable Span95% of FSO
Input Resistance1MΩ min
Linearity and Repeatability< ±0.02% FSO typical


Digital Input Specifications
Flow Meter (pulse)0-2000.0Hz open collector
RPM Meter (pulse)0-2000.0Hz open collector


Relay Output Specifications (PR40UR Model Only)
2 x Form A Relays250V AC, 3A (display includes 2 x setpoint indicator LEDs)


Retransmission Specifications (PR40UR Model Only)
Current Output4~20mA or 20~4mA
20mA max output drive (600Ω max load at 12V DC)
Accuracy/Repeatability0.05% of FSO
Temperature Drift30ppm/°C typical

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