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Pepperl+Fuchs UB500-18GM75-I-15 Ultrasonic sensor
Pepperl+Fuchs UB500-18GM75-I-15 Ultrasonic sensor - Image 2

Pepperl+Fuchs UB500-18GM75-I-15 Ultrasonic sensor

Manufacturer: Pepperl+Fuchs
Model: UB500-18GM75-I-15 Ultrasonic Sensor
Sensing Distance: 50–500 mm
Output: 4–20 mA analog (current loop)
Supply Voltage: 15–30 VDC (loop-powered)
Application: Precise distance measurement, level monitoring, small object detection

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Product Description

The Pepperl+Fuchs UB500-18GM75-I-15 is a compact M18 ultrasonic sensor with 500 mm range and true 4–20 mA analog output (loop-powered). It offers high accuracy (±1 %), temperature compensation, and a narrow 8° beam angle, making it perfect for level measurement in small tanks, position detection of transparent objects, or precise distance control in automation. The robust stainless-steel housing and 1.5 m cable ensure reliable operation even in harsh environments.

Standard Features

  • True loop-powered 4–20 mA: Direct 2-wire connection to PLC analog input – no extra power supply required.

  • Temperature compensated: Automatic internal compensation for ±1 % accuracy across the full temperature range.

  • Very narrow beam: 8° opening angle – ideal for small tanks, detecting tiny objects, or through narrow openings.

  • Rugged stainless-steel body: Full metal M18 housing with IP67 rating – survives wash-down and mechanical stress.

  • Fast and easy setup: Teach-in via wire (15-second teach) or optional teach button – no software needed.

Technical Specifications

ParameterValue
TypeUltrasonic Distance Sensor
Order NumberUB500-18GM75-I-15
Sensing Range50–500 mm
Blind Zone0–50 mm
Resolution0.4 mm
Accuracy±1 % of full-scale (temperature compensated)
Beam Angle8°
Analog Output4–20 mA (50 mm → 4 mA, 500 mm → 20 mA)
Supply Voltage15–30 VDC (loop-powered)
Connection1.5 m PVC cable, 2-wire
Housing MaterialStainless steel 1.4305 / AISI 303
Operating Temperature–25°C to +70°C
Protection RatingIP67
AdjustmentTeach-in via wire (15 s)

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