Siemens SITRANS TH420 with Profibus PA
SITRANS TH320 and TH420 combine perfect measurement and intelligence at any temperature and condition. Real reliability is guaranteed, for example, by the dual sensor input of the TH420 incl. 4-wire sensor connection and hot backup function. In case of a sensor failure, the transmitter automatically switches to the second sensor, and the valuescontinue to be recorded seamlessly and without loss.
High availability and measuring accuracy with the SITRANS TH420 PA enhanced with Profibus PA. Easy commissioning with the SIMATIC CFU. Effective preventive maintenance. These are just a few examples of the rich functionality of these transmitters.
- High availability during measurement by hot backup function (SITRANS TH420)
- High reliability and long-term stability – sensor trim (Callendar-van-Dusen) and sensor drift detection (SITRANS TH420 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
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