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Sensors for condition monitoring

4th Quarter 2018 Other technologies

Instrotech’s general purpose monitoring sensors are ideal for use with PLCs and other industrial controllers. They provide users with a continuous output of vibration, usually as a 4-20 mA signal. Changes in the monitor signal allow the user to spot vibration changes in the part of the machine to which the sensor is attached. Rapid changes accompany such conditions, as machinery working loose from its mountings, fan blade malfunction and bearing failure all require immediate attention and machine shutdown to avoid widespread damage and loss of machine time. If the signal is logged at regular intervals, gradually increasing vibration indicates wear in the part of the machine where the sensor is fitted, calling for replacement or detailed study with a portable vibration analyser.

The long-standing 1185/C series is tried and trusted. It is a general purpose, top-entry velocity transducer with DC output, made from robust stainless steel throughout for continuous vibration monitoring in harsh environments. The unit is sealed to IP67 with industry standard two-wire 4-20 mA output proportional to sensor range that can connect directly to PLC, DCS and other industrial controllers.

The 1185I /C model is ATEX and IECEx Group I & II certified. It has all of the 1185’s components with integral stainless overbraided ETFE cable and is available with a wide range of mountings. The 1185W model is submersible, for harsh underwater environments and areas with constant moisture or condensation. It includes integral heavy-duty polyurethane cable and is sealed to IP68 and is available with a wide range of mountings. The 1185IW is ATEX and IECEx Group I & II certified.

For more information contact Instrotech, +27 10 595 1831, [email protected], [email protected]



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