SITRANS TR320/420

SITRANS TR320/420
SITRANS TR320 and TR420 rail transmitters combine perfect measurement and intelligence under all conditions. Reliability is guaranteed, for example, by the TR420's 2-fold sensor input including 4-wire sensor connection and hot backup: In the event of a sensor failure, the transmitter automatically switches to the second sensor, and the values ​​continue to be recorded seamlessly and without loss.

• High availability during measurement by hot backup function (SITRANS TR420)
• High reliability and long-term stability - sensor trim (Callendar-van-Dusen) and sensor drift detection (SITRANS TR420 only) for high accuracy and accelerated calibration time
• Avoidance of production stop because of measurement failures
• Best cost-benefit ratio for facility management
• Cost reduction through anticipatory maintenance
• Withstanding safety-critical environments - Extended temperature range up to -50°C and SIL2/3 approvals

Detail

• Input: Resistance thermometers, thermocouples, resistance-type sensors, DC sources
• Output:
  - 4 ... 20mA (SITRANS TR320)
  - HART (SITRANS TR320/420)
• Operational temperature:
  - Standard: -50 … +85 °C (-58 … +185 °F)
  - SIL: -40 … +80 °C (-40 … 176 °F)
• Approvals:
  - ATEX, IECEx, FM, CSA
  - EACEx, NEPSI, Inmetro
• Certificates: SIL 2/3

Documents

• Spec Sheet
• Manual