China Changchun Rongde Optics Co.,Ltd.

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Draw Wire Sensor


Draw-wire displacement sensors measure linear movements using a highly flexible steel cable. The cable drum is attached to a sensor element which provides a proportional output signal.
Measurements are performed with high accuracy and high dynamic response. The use of high quality components guarantees a long life cycle and high operational reliability.
We offer a wide selection of draw-wire displacement sensors with numerous types of output signal. This means that each customer has the opportunity of selecting the best sensor for his application.


  • Incremental Type Draw Wire Encoder

An incremental encoder is coupled to a spring loaded-reel through the use of a mechanical coupling device, internal to the housing of the reel. As the shaft rotates, pulses are evaluated and counted by a juding circuit and a counter to determine rotating direction and pulses number.The starting point of counting can be set arbitarily, infinite accumulation and measurement of multiple turns are achievable. When the number of pulses is fixed, by means of A and B signals of 90°phase difference, the original number of pulses id doubled or quadrupled to increase resolution.

[Manual Download]

Picture Model Body Dimension Output Type Measuring Range(mm) Resolution linearity Output Signal Operating Voltage Protection Class PDF Download
Draw Wire Sensor_Incremental Type Draw Wire Encoder RLC95D 95*95 Digital output 0-4000 1000-5000 ppr 0.05%FS C,E,F,L,A 5V/8-26V IP54
Draw Wire Sensor_Incremental Type Draw Wire Encoder RLC78D 78*78 Digital Output 0-3000 1000-5000 ppr 0.05%FS C,E,F,L,A 5V/8-26V IP54
Draw Wire Sensor_Incremental Type Draw Wire Encoder RLC63D 63*63 Digital Output 0-2500 1000-5000 ppr 0.05%FS C,E,F,L,A 5V/8-26V IP54
Draw Wire Sensor_Incremental Type Draw Wire Encoder RLC50D 50*50 Digital Output 0-1500 1000-5000 ppr 0.05%FS C,E,F,L,A 5V/8-26V IP54
Draw Wire Sensor_Incremental Type Draw Wire Encoder RLC40D 40*40 Digital output 0-600 1000-5000 ppr 0.05%FS C,E,F,L,A 5V/8-26V IP54
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