Product Model

GRTB18-N2431V

In Stock
Last updated: 2025/4/19
sick GRTB18-N2431V

Selling Points

  • 1High accuracy and reliability in detecting objects within 0.118" to 3.937" (3mm to 100mm).
  • 2Cylindrical housing design with a length of 73.5 mm and thread length of 49.3 mm.
  • 3NPN Dark-ON/Light-ON output for easy integration into control systems.
  • 4Robust stainless steel V4A (1.4404, 316L) housing for durability in harsh environments.
  • 5Compact dimensions (18 mm x 18 mm x 73.5 mm) for space-efficient installations.
Product Details
GRTB18-N2431V
sick

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Dimensions (W x H x D)
18 mm x 18 mm x 73.5 mm
Housing design (light emission)
Cylindrical
Housing length
73.5 mm
Thread length
49.3 mm
Thread diameter (housing)
M18 x 1
Optical axis
Axial
Sensing range max.
3 mm ... 100 mm
Sensing range
15 mm ... 100 mm
Type of light
Visible red light
Light source
PinPoint LED
Light spot size (distance)
Ø 7 mm (100 mm)
Wave length
650 nm
Adjustment
None
Indication_LED green
Operating indicatorStatic on: power on
Indication_LED yellow
Status of received light beamStatic on: object presentStatic off: object not present
Special applications
Hygienic and washdown zones
Supply voltage UB
10 V DC ... 30 V DC
Ripple
< 5 V
Current consumption
30 mA
Switching output
NPN
Output function
Complementary
Switching mode
Light/dark switching
Signal voltage NPN HIGH/LOW
Approx. V#!#/ ≤ 3 V
Output current Imax.
≤ 100 mA
Response time
< 500 µs
Switching frequency
1,000 Hz
Connection type
Male connector M12, 4-pin
Circuit protection
A7)#!#B8)#!#D9)
Protection class
III
Weight
65 g
Housing material
Stainless steel, Stainless steel V4A (1.4404, 316L)
Optics material
Plastic, PMMA
Tightening torque, max.
90 Nm
Enclosure rating
IP67#!#IP6810)#!#IP69K11)
Items supplied
Fastening nuts (2 x)
Electromagnetic compatibility (EMC)
EN 60947-5-2
Ambient operating temperature
–25 °C ... +55 °C
Ambient temperature, storage
–30 °C ... +75 °C
UL File No.
E348498

Specifications may be subject to change without notice