Isolated Head Mounting Universal Input 4~20mA Transmitter
Low-cost, loop powered, isolated, microprocessor based linearised head mounting transmitters with universal input that accepts RTD (Pt100 or Pt1000) and Thermocouple (Types K, J, T, N, E, R, S, B) inputs.

The TXHUI range of low-cost, loop powered, isolated, microprocessor based linearised transmitters have, as standard, a universal input that accepts RTD (Pt100 or Pt1000) and Thermocouple (Types K, J, T, N, E, R, S, B) inputs.
Factory set as 3-wire Pt100 input, range 0...100°C.
The transmitters can be supplied pre-ranged to suit your application requirements (simply enter your configuration requirements above) or can be easily configured using the TX-USB configuration kit. Simply install the software (which is available for free download from our website), connect the USB configuration module and plug the lead into the transmitter. The software will then provide the necessary prompts.
The TXHUI is a similar specification to the TXHU transmitter, but with the following additional features:
- Zero span pot
- LED status indicator
- Improved Thermocouple input accuracy (Types K, J, T, N, E: < ±1°C; Types R, S, B: < ±2°C)
- Isolation test voltages between input/output
- 3750V AC for 1 minute
- Operating temperature: -20°C to +85°C
Features
- Microprocessor based and fully linearised
- Accepts RTD (Pt100 or Pt1000) and Thermocouple (K, J, T, N, E, R, S, B) inputs
- 2-wire, 4~20mA output (loop powered)
- Factory set as 3-wire Pt100 input, 0...100°C (can be easily configured)
- Zero span pot
- LED status indicator
- Improved Thermocouple input accuracy
Pre-ranged Options (if required)
Note: requested temperature range must fall within minimum/maximum range for an input.
Input Type | Minimum Temperature | Maximum Temperature |
---|---|---|
Thermocouple Type K | -200°C | +1372°C |
Thermocouple Type J | -100°C | +1200°C |
Thermocouple Type T | -200°C | +400°C |
Thermocouple Type N | -180°C | +1300°C |
Thermocouple Type E | -100°C | +1000°C |
Thermocouple Type R | -50°C | +1760°C |
Thermocouple Type S | -50°C | +1760°C |
Thermocouple Type B | 0°C | +1820°C |
Pt100 3-wire | -200°C | +850°C |
Pt1000 3-wire | -200°C | +850°C |
Product Extra Information |
Specification (Common)
RTD Input Specification
Thermocouple Input Specification
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