Rotary position sensors measure displacement
A
Macro Sensors product story
Edited by the Engineeringtalk editorial team
Oct 12, 2007
The RS 1500-120 measures the angular displacement of rotating elements such as quarter-turn ball and butterfly valves, air flow dampers and diverter gates.
Macro Sensors has released the RS 1500-120 series of fractional-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 to 10V DC output, or as the RSI 1500-120 with a two-wire 4-20mA 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 use 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% of full range output, have an IEC IP66 environmental rating and operate at temperatures from -20C to 85C.
It offers a servo-mount groove and pilot in the sensor body, convenient mounting flanges and splash-proof shaft seals.
There are no slip rings or rotors to wear out.
It can be connected either as a loop powered two-wire 4-20mA transmitter, or as a three-wire sourcing current transmitter using an external 24V DC loop power supply.
The voltage output version is a natural adjunct to PLC-controlled automation systems or PC-based data acquisition equipment.
The 4-20mA loop version supports all kinds of process applications with a low noise current loop output ideal for connection to the analogue 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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