GR18 SICK Photoelectric Sensor – Compact M18 Cylindrical Photoelectric Sensor, Genuine Product
Highlights:
- Standard M18 cylindrical design for high durability and easy installation
- Wide range of operating principles suitable for most industrial applications
- Sharp PinPoint red LED light source for easy alignment and precise detection
- IP67 protection rating, suitable for industrial environments
- Flexible plastic and metal housing versions
Overview of the GR18 SICK Photoelectric Sensor
The GR18 is a highly popular standard M18 cylindrical photoelectric sensor from SICK. With its robust design, stable performance, and reasonable price, the GR18 is widely used in industrial automation applications.
The product line offers a full range of detection principles: background suppression and energetic diffuse, retro-reflective, and through-beam sensors, along with multiple housing options (ABS plastic or metal) and optical orientations (axial/straight or right-angle/side).
5 Outstanding Features of the GR18 SICK:
- Standard M18 design – easy to install and replace
- PinPoint red LED for focused light beam and high accuracy
- IP67 protection rating – dust-tight and water-resistant
- Variety of plastic and metal housing versions
- High durability, suitable for continuous industrial environments
Technical Specifications of the GR18 SICK Photoelectric Sensor
| Parameter |
Value |
| Product Line |
GR18 – M18 Cylindrical Photoelectric Sensor (Standard) |
| Dimensions (W × H × D) |
18 mm × 18 mm × 73.5 mm
18 mm × 18 mm × 71.5 mm
18 mm × 18 mm × 38.1 mm
18 mm × 18 mm × 55.9 mm |
| Operating Principles |
Background suppression, Energetic diffuse, Retro-reflective, Through-beam |
| Light Source |
PinPoint red LED (650 nm) or Infrared LED |
| Sensing Range (Background Suppression) |
3 mm … 300 mm |
| Sensing Range (Energetic Diffuse) |
Up to 1,000 mm (model dependent) |
| Sensing Range (Retro-reflective) |
0.03 m … 7.2 m (with reflector) |
| Sensing Range (Through-beam) |
0 … 15 m |
| Supply Voltage |
10 … 30 VDC |
| Output |
PNP or NPN (model dependent) |
| Switching Mode |
Light / Dark switching |
| Protection Rating |
IP67 / IP68 / IP69K (model dependent) |
| Housing Material |
ABS plastic or Metal (Nickel-plated brass) |
| Connection |
Cable, 4-wire, 2 m / M12 4-pin |
| Operating Temperature |
–25°C … +55°C |
Specifications sourced from SICK Product Catalog GR18
GR18 SICK Ordering Information (Reference)
| Model |
Operating Principle |
Output |
Connection |
Part No. |
| GRL18-N1132 |
Retro-reflective |
NPN |
Cable, 4-wire, 2 m |
1067980 |
| GRSE18-N2447 |
Through-beam |
NPN |
M12 4-pin |
1067983 |
| GRTB18-N2412V |
Background Suppression |
NPN |
M12 4-pin |
1085750 |
| GRTE18-P2412V |
Energetic Diffuse |
PNP |
M12 4-pin |
1085683 |
Industrial Applications of the GR18 SICK Photoelectric Sensor
With its robust standard M18 design, IP67 protection rating, and PinPoint LED technology, the GR18 SICK photoelectric sensor is recognized as one of the most popular and reliable photoelectric sensors in industrial automation. The GR18 delivers stable performance, easy installation, and high integration capability into various systems.
- Warehousing and Logistics: The GR18 is widely used to detect pallets, packages, and cartons on conveyor belts. The through-beam version with a range of up to 15 m helps control material flow on long conveyor lines. PinPoint LED enables precise position detection even with items of different colors or surfaces.
- Packaging Lines and Food & Beverage Industry: Proximity and retro-reflective GR18 sensors support high-speed detection of bottles, cans, boxes, and packaging. IP67 rating allows the device to withstand wet environments and periodic water cleaning. PinPoint LED accuracy helps minimize detection errors on high-speed lines.
- Automotive and Electronics Manufacturing: Installed on jigs, fixtures, and assembly lines to detect metal parts, plastic components, and electronic parts. Metal housing versions offer excellent resistance to oil and metal dust, reducing machine downtime and increasing productivity.
- CNC Machines, Metalworking, and Material Handling: Sensors check for workpiece presence and determine precise positioning before machining. The impact and dust resistance of metal housings ensures stable operation in harsh workshop environments.
- Automated Storage/Retrieval Systems (AS/RS) and Intralogistics: Used to detect rack positions, control lift gates, and monitor movements of AGVs. High reliability and fast response time help optimize smart warehousing processes.
GR18 vs GR18S Comparison – Which SICK Sensor to Choose?
| Criteria |
GR18 Standard |
GR18S Inox |
| Housing Length |
Standard (73.5 mm) – mechanically robust |
Shorter (38.1 mm) – ultra space-saving |
| Mechanical Durability |
High |
Good |
| Suitable When |
Standard applications, high durability required, normal mounting space |
Extremely tight installation space, compact machinery |
| Priority Choice |
Versatile applications, long-term durability and stability prioritized |
Space saving prioritized |
*Note on Selection: If your application has normal installation space and prioritizes long-term mechanical durability, the GR18 Standard is the optimal choice. Contact AUMI for consultation to select the most suitable model for your actual production line conditions.
Frequently Asked Questions (FAQs)
Q1: How much does the GR18 SICK cost?
The price of the GR18 SICK depends on the specific model, output type, and connection style. Contact AUMI via hotline 0917 991 589 for the best quotation along with technical advice to select the right model for your application.
Q2: Where can I buy genuine GR18 SICK sensors in Vietnam?
AUMI is the official authorized distributor of SICK in Vietnam, supplying GR18 SICK sensors with full CO/CQ documentation, genuine labels, and complete warranty. Contact hotline 0917 991 589 or visit aumi.com.vn.
Q3: In which industries is the SICK GR18 sensor used?
The GR18 is a very popular sensor line in: automated logistics and warehousing, food & pharmaceutical packaging lines, automotive, electronics, CNC machines & metalworking, material handling systems, and factory automation.
Q4: What is the protection rating of the GR18 SICK?
The GR18 achieves IP67 rating – completely dust-tight and can withstand immersion in water up to 1 meter deep for 30 minutes. Metal housing versions also offer better impact resistance and performance in oily environments.
Q5: Does the GR18 come with a warranty?
Yes. When purchased from AUMI, products receive the official SICK manufacturer warranty. In addition, AUMI’s technical team provides consultation, installation support, and 24/7 technical assistance in Hanoi, Ho Chi Minh City, and Da Nang.
AUMI – Official Distributor of GR18 SICK Photoelectric Sensors in Vietnam. Genuine warranty, full CO/CQ, 24/7 technical support.
📞 Hotline: 0917 991 589 (Hanoi) | 0932 226 100 (Ho Chi Minh City)
📧 Email: [email protected]
🌐 Website: https://aumi.com.vn/
Addresses:
- Hanoi: B44, Villa Area, Viet Hung Urban Area, Long Bien
- Ho Chi Minh City: 2nd Floor, HS Building, 260/11 Nguyen Thai Binh, Tan Binh District
- Da Nang: 9th Floor, PV Bank Building, No. 2 30-4 Street, Hoa Cuong Ward
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