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Rotary sensors promise high accuracy, reliability

Posted: 11 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:rotary position sensor? sensor? transmitter?

RS 1500-120 rotary sensor

Macro Sensors has introduced the RS 1500-120 series of tractional-turn contactless rotary position sensors for measuring the angular displacement of rotating elements such as quarter-turn ball and butterfly valves, air flow dampers, and diverter gates used in packaging and postal sorting machinery.

Available as the RSE 1500-120 with a 24V DC input and a 0- to10V DC output, or as the RSI 1500-120 with a 2-wire 4- to 20mA loop-powered transmitter I/O, these units are adaptable to a wide variety of industrial automation and process control applications.

Although their shafts can rotate a full 360, the RS 1500-120 rotary position sensors utilize contactless inductive technology to measure shaft angle position over a nominal range of 120 with excellent accuracy and repeatability and exceptional reliability. These units exhibit a linearity error of less than 0.10 percent of full range output, have an IEC IP-66 environmental rating, and operate at temperatures from 0F to 185F (-20C to 85C).

The RS 1500-120 series also packs servo-mount groove and pilot in sensor body. The series also includes convenient mounting flanges and splash-proof shaft seals. In addition, the sensors do not have slip rings or rotors to wear out. The devices also feature absolute output so no output loss after power failure as well as excellent price/performance characteristics.

The voltage output version is a natural adjunct to PLC-controlled automation systems or PC-based data acquisition equipment. The 4- to 20mA loop version supports all kinds of process applications with a low noise current loop output ideal for connection to the analog input of a remote data logger, supervisory process controller or SCADA system located some distance from the sensor or the measurement point.

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