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SRT-73 Temperature Meter in a Small Case

The SRT-73 Meter excels in accurate temperature readings, adaptable for Pt100/500/1000 and various thermocouples (K, S, J, T, N, R, B, E). It ensures precise, linearised inputs and offers an extended range for thermocouples (-10 ÷ 90 mV). This meter powers transducers with a 24V DC output and features an RS-485 port for easy data integration into monitoring systems. Benefit from adjustable REL/OC outputs and simple configuration via a keyboard or S-Config software. The SRT-73 Meter combines accuracy and versatility for your temperature measurement needs.

SRT 73 Temperature Meter Product Parameters

  • Output Signal: Optional 0, 1, or 2x REL, OC outputs.
  • Accuracy: 0.1% @25°C ± one digit.
  • Electrical Connections: Power supply 19V ÷ 50V DC, 16V ÷ 35V AC, 85 ÷ 260V AC/DC.
  • Process Connections: Inputs for thermoresistance Pt100, Pt500, Pt1000, and various thermocouples.
  • Media Compatibility: Operating temp. 0°C to +50°C, storage temp. -10°C to +70°C.
  • Special Features: Two-color or red LED display, RS-485 interface, IP 65/40 protection, panel mounting.


Product Highlights

The SRT73 Temperature Meter is a versatile device designed for precise temperature measurements. It features a resistance-type Pt100/500/1000 or thermocouple input compatible with various thermocouple types like K, S, J, T, N, R, B, and E. These inputs are fully linearised for accurate readings. The meter includes an extended measurement range (-10 ÷ 90 mV) for diagnostic purposes. It offers a 24V DC / 100 mA output to power measuring transducers and an RS-485 port for seamless data transmission in production process monitoring systems. The REL / OC control outputs allow adjustment of the measured signal level based on one or two threshold values. Configuration can be done via the local keyboard or the free S-Config software using the RS-485 communication port. With its comprehensive features and user-friendly interface, the SRT73 Temperature Meter is an efficient and reliable solution for temperature measurement applications.


  • Temperature meter in a small case
  • Two-coloured display (4-digits, IP 40)
  • Input: thermoresistance or thermocouple
  • 0, 1 or 2 REL / OC outputs
  • RS-485 / Modbus RTU
  • Automatic recognition of 3 and 4-conductor connection (RTD inputs)
  • Automatic compensation of TC cold ends temperature
  • Free configuration software S-Config

To download the latest datasheet click here: SRT 73

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