The SEM320(X) is a HART (generic device) field temperature transmitter that is HART 5,6,7 compatible, universal temperature transmitter with display. It accepts RTD, Thermocouple, Potentiometer or millivolt input signals and converts them to the industry standard (4 to 20) mA transmission signal. Alternatively, HART multidrop mode can be selected.
It is approved to UKEX, ATEX and IECEx and is supplied in our SCH60X temperature monitoring system where it is housed in its own bespoke connection head and Exia or ExD approved.
The HART field temperature transmitter has a rotational five-digit display for the process value and a 5-digit display for messaging, in addition to a bar graph for % of mA output.
SENSOR-REFERENCING
The SEM320 sensor-referencing, via the Windows based USBSpeedlink software, allows for close matching to a known reference sensor, eliminating possible sensor errors.
USER-CALIBRATION
In addition to sensor-referencing, current output trimming is possible via the USB and HART commands.
CUSTOM LINEARISATION
The SEM320 can be programmed with a custom linearisation to suit non-standard sensors, or sensors with unusual or unique characteristics. Consult the sales office for details.
SENSOR BURN-OUT DETECTION
If a sensor wire is broken or becomes disconnected, the SEM320 output will automatically go to its user-defined level (upscale or downscale) or pre-set value.
OUTPUT CURRENT PRESET
For ease of system calibration and commissioning, the output can be set to a pre-defined level anywhere within the (4 to 20) mA range.
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