SITRANS TR320/420
SITRANS T Temperature Measurement Rail Transmitter
The reliable with high accuracy
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.
The SITRANS TR300 Advantage
- 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
Technical Specifications
SITRANS TR320/420 | Input | Resistance thermometers, thermocouples, resistance-type sensors, DC sources
| |
|---|---|---|---|
Output | 4 … 20mA (SITRANS TR320) HART (SITRANS TR320/420) | ||
Ambient 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 | ||
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