Key Parameters
Parameter Specification
General
Product Type Ultrasonic Sensor
Order Code WTB4SC-3P2262A71
Functional Principle Ultrasonic (Pulse Ranging)
Sensing Range 40 mm ... 250 mm
Dead Band 0 mm ... 40 mm
Reference Target 100 x 100 mm square plate
Accuracy < ±1.5 % of measuring range or ±2 mm (whichever is greater)
Resolution < 0.2 mm
Beam Angle ≈ 10°
Response Time 50 ms (analog), 80 ms (switching)
Switching Frequency 10 Hz
Electrical Data
Operating Voltage 10 ... 30 V DC
Current Consumption ≤ 35 mA (no load)
No-load Supply Current ≤ 35 mA
Outputs
Analog Output 1 x 0 ... 10 V (3-wire)
Switching Output 1 x PNP (NO/NC programmable via teach-in or IO-Link)
Short-circuit Protection Yes
Reverse Polarity Protection Yes
Connection
Connector Type 3-pin M12 connector, straight
Pin Assignment 1: Supply voltage (+Vs), 2: Switching output / IO-Link, 3: 0 V / GND
Mechanical Data
Housing Material Plastic (PBT)
Face Material Plastic (PUR)
Protection Rating IP67 (Dust-tight and protected against temporary immersion)
Mounting Two M18 x 1 mounting threads
Weight Approx. 30 g
Environmental Conditions
Operating Temperature -25 °C ... +70 °C
Storage Temperature -40 °C ... +85 °C
Ambient Light Immunity Yes, immune to all ambient light
Features & Configuration
Programming/Teaching Via teach-in button or IO-Link (V1.1)
Status Indication LED (Power / Status)
Application Distance measurement, presence detection, contour detection, pallet detection, stack height control. Ideal for detecting transparent, glossy, or liquid-filled objects (e.g., bottles, films).