SICK VTF18-4N1212 Photoelectric Proximity Sensor

USD 69.40

M18 IR photoelectric proximity sensor with background blanking. Features 3-100mm sensing range, NPN output, 10-30VDC, IP67 rating, and 2m 4-wire PVC cable.

SKU SICK-6012820 Category
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SICK VTF18-4N1212 Photoelectric Proximity Sensor

Model Identifier VTF18-4N1212
Official Part Number 6012820
GTIN Standard 4047084154683

Technical Overview

M18 IR photoelectric proximity sensor with background blanking. Features 3-100mm sensing range, NPN output, 10-30VDC, IP67 rating, and 2m 4-wire PVC cable.

Key Features

  • M18 cylindrical nickel-plated brass housing with PMMA optics
  • Precision infrared LED (780nm-1000nm) with 3mm light spot at 50mm
  • Adjustable background blanking via 270-degree potentiometer
  • Wide sensing range of 3 mm to 100 mm
  • Configurable light/dark switching via NPN output logic
  • High-speed 250 Hz switching frequency with ≤2 ms response time
  • Rugged IP67 environmental protection rating
  • Pre-wired 2-meter, 4-core PVC connection cable

Precision IR Background Blanking

Technical Specification Matrix

ParameterValue
Sensor PrinciplePhotoelectric Proximity Sensor
Sensing Principle DetailBackground Blanking
Housing DesignCylindrical (M18 x 1)
Light SourceInfrared LED
Sensing Range (Max)3 mm ... 100 mm
Supply Voltage10 V DC ... 30 V DC
Switching OutputNPN, Open Collector
Switching ModeLight/Dark Switching
Switching Frequency250 Hz
Response Time≤ 2 ms
Connection TypeCable, 4-wire, 2 m (PVC)
Output Current (Imax)≤ 100 mA
Enclosure RatingIP67
Housing MaterialNickel-Plated Brass
Operating Temperature-25 °C ... +70 °C
Physical Weight (kg)0.13
Dimensions L x W x H (cm)6.36 x 1.8 x 1.8

Industrial Applications

1. Conveyor Belt Part Detection

Accurately detects moving parts on factory conveyor lines while ignoring the reflective or varying backgrounds of the conveyor belt itself.

Problem Solved

Eliminates false triggers caused by underlying conveyor belt surfaces by utilizing background suppression, ensuring only the target objects are counted or indexed.

Background blanking250 Hz switching frequencyNPN output3-100 mm range

2. Automated Assembly Machine Indexing

Senses the precise presence of metal or plastic components within a high-vibration rotary indexer or robotic assembly cell.

Problem Solved

Provides reliable positioning feedback in harsh mechanical environments where fragile plastic sensors might fail or lose optical alignment.

M18 cylindricalNickel-plated brassIP67 rating≤2 ms response time

3. Packaging Material Feed Control

Detects the presence of cardboard flaps or plastic webs in packaging machinery to control the feed and cutting mechanisms.

Problem Solved

Ensures packaging materials are correctly aligned and present before cutting or folding, preventing material jams and reducing production waste.

Infrared LEDFocused opticsPotentiometer adjustment10-30 VDC
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