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Sensors

Suitable for:

Weighbridges, bulk material scales (static/dynamic), roll-off tippers, tailgate scales.

KWS sensors provide precise position detection, tilt compensation, and automation in scales and identification systems. Inductive/capacitive proximity switches and ultrasonic sensors for bin detection, and the ACS-90 tilt sensor for metrological accuracy.

Connectors and sensors for vehicle-mounted weighing systems from KWS
Industrial sensor for vehicle-mounted scales – rugged measurement technology from KWS

M12/M18

Schaltabstand

Measurement range

IP67/68

4–20 mm

0–90°

Class III required

Resistant to dirt and oil

Integration

Sensors are integrated into KWS terminals (IT3, KT500, etc.) for legal-metrology-compliant weighing, bin identification, and automation. Compatible with telematics, RFID, and all types of scales.

Sensors

Tilt Sensor ACS-90

The ACS-90 measures tilt in two axes (X/Y) and compensates for weight errors at tilt angles up to 6°—calibrated with the scale. Required for Verification Class III, recommended for Class IIII when using high resolution or variable mounting positions.​

Measuring range: 0–90°

Compensation: 0–6° linearized

Application: Body/vehicle tilt ​


Inductive proximity switches

Inductive switches detect metal parts contactlessly via an electromagnetic field – ideal for weighing positions on body and bulk scales. High resistance to dirt, dust, oil, and moisture; M12/M18, 4–20 mm distance.

Operating principle: Metals only

Advantages: Dirt-resistant

Application: Dynamic scales (2-wheel scales, start/weighing position)


Capacitive Proximity Sensors

Capacitive "all-rounders" detect solids, liquids, and granules through walls—flexible for non-metallic objects. More sensitive to moisture, but versatile; M12/M18, 4–20 mm sensing distance.​

Operating principle: Electric field (dielectric constant)

Advantages: Through walls/granules

Applications: Bin detection, tipping position ​


Ultrasonic sensor

Ultrasonic sensors (M18, 30–300 mm) detect 4-wheel bins non-contact for bulk material scales—regardless of material. Perfect for dynamic processes with high discharge rates.​

Switching distance: 30–300 mm.

Application: 4-wheel bin detection

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