Product Details

Sitrans TH300

Order No: 7NG3212-0….

SITRANS TH300 with HART- protocol is designed to support all common thermocouples, resistance and millivolt sensors.

“HART” to beat – the universal SITRANS TH300 transmitter

  • Two-wire devices for 4 to 20 mA, HART
  • Mounting in the connection head of the temperature sensor
  • Universal input for virtually any type of temperature sensor
  • Configurable over HART


  • Compact design
  • Flexible mounting and center hole allow you to select your preferred type of installation
  • Electrically isolated
  • Test sockets for multimeters
  • Diagnostics LED (green/red)
  • Sensor monitoring
    open circuits and short-circuits
  • Self-monitoring
  • Configuration status stored in EEPROM
  • SIL2 (with order code C20), SIL2/3 (with C23)
  • Expanded diagnostic functions, such as slave pointer, operating hours counter, etc.
  • Special characteristic
  • Electromagnetic compatibility to EN 61326 and NE21

Technical Spesification:

Resistance Thermometer Measured Variable Temperature
Sensor Type Pt 25….Pt 1000
Curve Temperature-linear or special characteristic
Connection 2, 3 or 4 Wire Systems
Output Signal 4…20 mA two-wire

Factory Setting:

  • Pt100 (IEC 751) with 3-wire system
  • Measuring range: 0 … 100 °C (32 … 212 °F)
  • Fault current: 22.8 mA
  • Sensor offset: 0 °C (0 °F)
  • Damping 0.0 s