Stork Solutions

SPT-86L Temperature and Voltage Transmitter

Discover the SPT-86L Module, a versatile insulated temperature and voltage to current transmitter. This cutting-edge device supports the 4-20 mA standard and offers data reading through its RS-485 interface. It features one input with a wide range of options, including Pt 100/500/1000, thermocouples K/S/J/T/N/R/B/E, and 0-60 / 0-75 / 0-100 / 0-150 mV. Please note that only one input can be used at a time. The module ensures accurate measurements with full linearisation and automatic compensation for cold junction temperature in thermocouple mode. With configurable milivoltage input characteristics and direct current output control, it provides flexibility for various applications. Set device parameters effortlessly through the RS-485 interface using the S-Config software. Experience precision and convenience with the SPT-86L Module, available with optional factory pre-configuration.

Product Highlights

The SPT86L Temperature and Voltage Transmitter is a versatile module that serves as an insulated temperature and voltage to current transmitter, complying with the 4-20 mA standard. It offers the convenience of data reading through the RS-485 interface. This transmitter module features a single input that supports a wide range of measurements, including Pt 100/500/1000, thermocouples K/S/J/T/N/R/B/E, and 0-60 / 0-75 / 0-100 / 0-150 mV. However, only one type of input can be used at a time. The measurement inputs are equipped with full linearisation of characteristics and automatic compensation of the cold junction temperature in the thermocouple mode. The Pt mode supports various connection methods such as 2-, 3-, and 4-wire configurations, while the millivoltage input offers selectable characteristics like linear, square, square root, or user-defined. By default, the measurement output is delivered to the current output, but the current output can also be controlled directly through the serial interface. Configuration and data reading can be performed via the RS-485 (Modbus RTU) interface using the S-Config software on a PC. Additionally, each unit can be preconfigured at the factory upon request.


  • Temperature and voltage transmitter
  • RTD, thermocouple or millivoltage input
  • Output signal 4-20 mA
  • RS-485 / Modbus RTU
  • Peaks detection function
  • Free selection of characteristics
  • Free data reading and configuration software S-Config
  • DIN rail mounting
To download the latest datasheet click here: SPT 86L

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