Retroreflective Rectangular Photoelectric Sensors Selection Guide: Technical Criteria & Application Standards
Retroreflective Rectangular Photoelectric Sensors selection guide: technical parameters, mounting and compliance standards, and Lanbao, Isıso comparison.
Retroreflective rectangular photoelectric sensors carry the transmitter and receiver in a single rectangular housing and detect an object passing between them by receiving their light back from a reflector mounted opposite. Because cable is run only to the sensor side, they are used on conveyor lines and at pallet and carton passages to monitor gaps at the meter level. The category includes standard and polarized models from Lanbao and Isıso with sensing distances such as 2 m, 5 m and 12 m, powered by 10-30 V DC or AC/DC. Choose the model by the distance between the sensor and the reflector, the need for a polarizing filter depending on the object's shininess, the supply voltage, the NPN or PNP output, and cable, terminal or M12 connector connection. Polarized models prevent objects with shiny surfaces from returning light like a reflector and passing undetected. Verify on the product page whether the reflector comes with the product; other sizes are in the photoelectric sensor reflectors category. A retroreflective photoelectric sensor does not work without a reflector opposite it and does not replace a diffuse reflective photoelectric sensor. The Retroreflective Rectangular Photoelectric Sensors category on Welibaba includes 22 active models from leading manufacturers such as Lanbao, Isıso.
Key Technical Parameters for Selecting Retroreflective Rectangular Photoelectric Sensors
To specify the right Retroreflective Rectangular Photoelectric Sensors model for your panel or installation, verify the following parameters against your engineering schedule:
| Parameter | Typical Catalog Values | Verification Note |
|---|---|---|
| Output Type | AC/DC 5 Kablolu, NO+NC, NPN NO+NC, PNP NO+NC | Verify against project schedule and load calculation |
| Sensing Distance | 12mt, 2 m, 2mt, 3 m | Verify against project schedule and load calculation |
| Connection Type | 2m Kablo, Kablolu, M12 Konnektör, Terminal | Verify against project schedule and load calculation |
| Housing Code | PSFT, PTET, PTLT | Verify against project schedule and load calculation |
Installation, Compatibility, and Commissioning Checklist
- Electrical & Mechanical Matching: Confirm that rated voltage, current capacity, and mounting dimensions align with the upstream and downstream components in Rectangular Photoelectric Sensors.
- Environmental & Enclosure Rating: Check IP protection class, housing material, and terminal capacity for dusty, humid, or high-vibration industrial environments.
- Related Product Groups: If your application calls for a different form factor or rating, compare sibling categories such as Background Suppression Rectangular Photoelectric Sensors, Diffuse Reflective Rectangular Photoelectric Sensors, Plastic-Body Rectangular Photoelectric Sensors.
Frequently Asked Questions
What is the first parameter to check when selecting Retroreflective Rectangular Photoelectric Sensors?
Start by confirming the circuit's rated electrical values and physical mounting dimensions, then use the technical attribute filters on the Retroreflective Rectangular Photoelectric Sensors page to narrow down compatible series.
Which Retroreflective Rectangular Photoelectric Sensors brands are available on Welibaba?
Welibaba currently stocks 22 active models in this category from manufacturers including Lanbao, Isıso, complete with verified specifications and unit pricing.
How can I compare Retroreflective Rectangular Photoelectric Sensors models by manufacturer part number?
You can search directly by manufacturer SKU/order code or use the category filter panel to compare equivalent models across brands side by side.