Friday, June 22, 2012

Positioners underwater!

ASM extends the magnetostrictive POSICHRON® range by the PCST27 rod-profile sensor for underwater use up to 15 bar

The successful range of magnetostrictive position sensors POSICHRON® by ASM is being extended by the new PCST27 series. The robust probe sensors allow for precise positioning of hydraulic cylinders or the measurement of fluid levels. The models in the PCST27 series have proven their superior reliability, even after years of use under the most extreme conditions.

Magnetostrictive position sensors of the POSICHRON® product line are extremely durable and therefore suitable even for applications where other measurement principles fail. The newly presented PCST27 models by ASM were designed specifically for the integration inside of large hydraulic cylinders that are used in harsh environments such as offshore or in the shipping industry. The rod-profile design allows them to be easily installed in the cylinder and detect piston positions with high precision even under difficult conditions.

As with all models in the POSICHRON® PCST27 series, the sensors consist of a magnetostrictive waveguide and a movable position magnet. Based on magnetically generated density waves and the measurement of time pulses this measurement principle is ideal for applications that demand extreme precision, repeatability and resistance against environmental factors such as vibration, humidity or shock. The sea water resistant stainless steel housing allows the sensor to be used in off-shore locations. Based upon non-contact measurement technology, this position sensor ensures years of trouble-free operation.

These rod-profile PCST27 sensors are available up to protection class IP68 and are pressure resistant up to 15 bar. The absolute output offers linearity up to +/- 0.02% full scale. Measurement lengths from 0 to 100 or from 0 to 5,750 mm are available.

For easy integration into various systems, there is either an analog (with 0,5-10V or 4-20mA), a pulse (start/stop) or SSI output available. Longitudinal cable water tightness is a first in these sensors.

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