Product Datasheet

WB21 Tape Extension Position Sensor

Measurement length up to 20,000 mm
Protection class up to IP67/69
Optional redundant version


Output Voltage 0.5... 10 V
Voltage 0.5... 4.5 V
Current 4 ... 20 mA, 3-wire technology
Voltage or current output, programmable
Voltage or current output, redundant
SAE J1939
Resolution Up to 0.05 mm
Linearity Up to ±0.05 % f.s.
Sensing device Magnetic absolute encoder
Housing material Aluminum and PBT
Measuring tape: stainless steel, 10 mm wide, 0.08 mm thick
Protection class IP67/IP69
Connection Connector M12
Weight Max. 4 kg


Accessories and Options

Tape pulley WBR1
The tape pulley WBR1 is intended particularly for deflecting the measurement tape wherever the straight-line motion of the sensor cable is not possible due to limited space.
PRODIS® Digital Process Display
ASM PRODIS® digital process displays are especially designed to work with analog and incremental outputs of ASM Sensors