Seat Occupancy Sensor

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R311WA is a Wireless 2-Gang Seat Occupancy Sensor.

It will report when one of the 2-gang seat occupancy sensor detects external pressure.

Main Characteristics

CR2450 button battery power supply

Seat occupancy detection

Technical Parameter

Input Power

2pcs 3.0V CR2450 button battery

Working Voltage

DC 2.4 V ~ 3.0V

Standby Current

12uA / 3.0V

Transmitting Current (max)

120mA / 3.0V

Receiving Current (max)

11mA/ 3.0V

Battery Voltage Measurement Accuracy

± 0.1V

Pressure Range


Wire Material

UL1571 26AWG

Wire Maximum Temperature


Maximum Outer Diameter Of The Wire


Wire Length


Wire Flame Resistance Rating


Main Unit Casing Size

57 mm x 35 mm x 15mm

Cushion Film Sensor Size

244 mm x 196. 3 mm x 0.65 mm

Environment Temperature Range

-20°C to 55 °C

Environment Humidity

<90 %RH (no condense)

Storage Temperature

-40°C to 85 °C