Sensors & Transducers


Combo velocity and ­temperature sensor with dual output

October 2015 Sensors & Transducers

Instrotech has launched the Monitran MTN/2285STC – a combined velocity and temperature sensor with 4-20 mA range outputs for industrial monitoring applications. This dual output sensor is ideal for monitoring vibration and temperature levels in the same location and for protecting motors, fans, pumps, compressors and other assemblies with rotating parts.

Both of the sensor’s outputs are in the industry-standard range 4-20 mA and are suitable for direct connection to a PLC, DCS or other industrial controller.

Andy Anthony, managing director of Monitran, comments: “Changes in vibration or temperature levels tend to provide the earliest indication that a piece of plant or equipment is in need of maintenance, and in some cases warrants shutting down to avoid damage. With our new dual output sensor, engineers can connect directly to any equipment that accepts inputs in the 4-20 mA range in order to monitor both parameters for maintenance, control or emergency-shutdown purposes.”

The MTN/2285STC is a stainless steel side-entry transducer, sealed to IP65 and supplied with 5 m of integral stainless steel over-braded ETFE cable as standard with other lengths available upon request. Its dynamic range is 50 g peak and it has a frequency range of 16 to 720 Hz.

The sensor requires a DC supply voltage in the range 12 to 32 V. Its vibration output is proportional to RMS velocity with a range of 0 to 10, 20, 25, 50 or 100 mm/S; to be specified when ordering. The sensor’s temperature output sensitivity is 0,106 mA/°C across its operating temperature range of -25 to 90°C, and it has an accuracy of 0,08%/°C.



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