SITRANS TH
Siemens provide a number of head mount transmitters as part of their SITRANS range for use in the process instrumentation system.
SITRANS TH100 is a single input low cost compact transmitter with diagnostic LED for PT100, 2 to 4 wire with 4-20mA output.
SITRANS TH320 and SITRANS TH420 are designed to support all common resistance thermometers and thermocouples. It also evaluates resistance and millivolt signals. Setup is quick and easy with the SIMATIC PDM or the Handheld Communicator. Both temperature transmitters SITRANS TH320 and TH420 combine perfect measurement and intelligence for every temperature and condition. The true reliability of the SITRANS TH420 is exemplified by the dual sensor input with 4-wire sensor connection and hot backup function. In case of a sensor failure, the transmitter seamlessly switches to the second sensor, so that the data is recorded continuously and without any loss.
The SITRANS TH400 is a universal single input Fieldbus transmitter for PROFIBUS PA or FOUNDATION Fieldbus with extensive diagnostic and simulation functions. Configurable with SIMATIC PDM or AMS.
Benefits
- 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
Detail
INPUT
| Resistance thermometers, thermocouples, resistance-type sensors, DC sources
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OUTPUT
| 4 … 20mA (SITRANS TH100, TH320), HART (SITRANS TH320/420)
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OPERATIONAL TEMPERATURE | Standard: -50 … +85 °C (-58 … +185 °F)SIL: -40 … +80 °C (-40 … 176 °F) |
APPROVALS | ATEX, IECEx, FM, CSAEACEx, NEPSI, Inmetro |
CERTIFICATES | SIL 2/3
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If you need more information in choosing the right temperature measurement tool for you, fill out the form below. Alternatively, email our Process Instrumentation team, or call us on 01914780404.
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