What is the maximum detection range of the SICK GL6L-P3211?

The GL6L-P3211 detects objects up to 12 m away when used with its included reflector. The retroreflective laser principle enables this long-distance performance in a compact sensor.

Can the GL6L-P3211 work in wet or dusty environments?

Yes, the sensor has IP67 protection, which seals it against dust and temporary water immersion. It also resists coolant spray and particulate, making it suitable for harsh industrial settings.

How small is the GL6L-P3211 and what does it weigh?

The sensor measures 12 mm x 31.5 mm x 21 mm and weighs only 6 g, allowing it to fit in tight mounting spaces on machines and conveyor lines. Its compact size does not compromise the 12 m detection range.

What comes in the box with the GL6L-P3211?

The GL6L-P3211 includes a 10 m connection cable and a reflector, so setup on your equipment is fast and complete. No additional reflector purchase is required for standard installation.

Will this sensor detect shiny or reflective backgrounds?

The retroreflective laser principle ignores background clutter and shiny targets, responding only to light reflected by the included reflector. This tight spot detection makes it ideal for cluttered industrial environments where other sensors would trigger false alarms.

What applications is the GL6L-P3211 used for?

The sensor is designed for position monitoring, presence detection, and counting in automated manufacturing and production lines. It provides reliable detection in long-distance applications where compact size and accuracy are critical.

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In StockLong Range

SICK GL6L-P3211 Photoelectric Sensor, Retroreflective, 12 m

Name: SICK GL6L-P3211 Photoelectric Sensor, Retroreflective, 12 m
Brand: SICK
SKU: 3139
Price: 295 USD
Availability: InStock

SICK

$295.00

SICK GL6L-P3211 retroreflective laser photoelectric sensor with 12 m switching distance, 680 nm wavelength, and IP67 rating. Compact 12×31.5×21 mm design for position monitoring, presence detection, and part counting in industrial automation.

The SICK GL6L-P3211 is a retroreflective laser photoelectric sensor engineered for precise positioning and part detection in automated manufacturing and industrial environments.

Key Features:

Retroreflective detection with laser light barrier for enhanced accuracy
Maximum range: 12 m with reflector
Compact size: 12 mm x 31.5 mm x 21 mm, weight: 6 g
IP67 protection against dust and temporary water immersion

Installation and Compatibility:

The SICK GL6L-P3211 includes a 10 m connection cable and reflector for fast setup on machines, conveyors, and lines. Its small footprint allows mounting in limited spaces, and it is widely used with SICK automation controllers. The sensor operates reliably in environments exposed to coolant, spray, or particulate.

When to Choose the GL6L-P3211:

The SICK GL6 series is preferred for position monitoring, presence detection, and counting applications demanding long-distance detection in a compact form. Compared to diffuse or polarized sensors, the retroreflective laser principle offers improved tight spot detection and ignores background interference, making it a strong choice for cluttered settings or shiny targets.

Manufacturer Credentials:

SICK is an established leader in sensor technology, supplying quality-assured, industrial-grade photoelectric switches to the global automation market.

Weight0.006 kg

Weight6 g

System of protectionIP67 (EN 60529)

Wavelength: 680 nm
Max. switching distance: 12 m mm
Gripper Dimensions: 12 mm x 31
5 mm x 21 mm
Reach: 12 m
Dimensions: 12 mm x 31.5 mm x 21 mm
Cable Length: 10 m
IP Rating: IP67

Detects at 12 m range with reflector, laser retroreflective principle
Compact 12 mm x 31.5 mm x 21 mm housing fits tight spaces, weighs 6 g
IP67 sealed against dust and temporary water immersion
Ignores background clutter and shiny targets, tight spot detection
Includes 10 m connection cable and reflector for fast setup
Resists coolant spray and particulate in industrial environments
Position monitoring, presence detection, and counting in automation

: The GL6L-P3211 detects objects up to 12 m away when used with its included reflector. The retroreflective laser principle enables this long-distance performance in a compact sensor.
: Yes, the sensor has IP67 protection, which seals it against dust and temporary water immersion. It also resists coolant spray and particulate, making it suitable for harsh industrial settings.
: The sensor measures 12 mm x 31.5 mm x 21 mm and weighs only 6 g, allowing it to fit in tight mounting spaces on machines and conveyor lines. Its compact size does not compromise the 12 m detection range.
: The GL6L-P3211 includes a 10 m connection cable and a reflector, so setup on your equipment is fast and complete. No additional reflector purchase is required for standard installation.
: The retroreflective laser principle ignores background clutter and shiny targets, responding only to light reflected by the included reflector. This tight spot detection makes it ideal for cluttered industrial environments where other sensors would trigger false alarms.
: The sensor is designed for position monitoring, presence detection, and counting in automated manufacturing and production lines. It provides reliable detection in long-distance applications where compact size and accuracy are critical.

Retroreflective laser versus diffuse sensors:

The GL6L-P3211 uses laser retroreflection to detect at 12 m range, compared to shorter-range diffuse sensors that struggle in cluttered or reflective environments. Choose this sensor when you need long-distance detection in tight spaces or around shiny surfaces.

For part counting on fast conveyors over 5 m away, the 12 m range and laser spot detect small or distant objects that diffuse sensors miss.
In spray-heavy cells with coolant mist or metal shavings, the retroreflective principle ignores background clutter and detects only the reflector, preventing false triggers.
On tight assembly lines where mount space is critical, the 6 g compact body (12 x 31.5 x 21 mm) fits confined brackets that larger sensors cannot.
For wet or dusty environments, IP67 sealing and inclusion of a 10 m cable plus reflector reduce setup time and protect against coolant spray or particulate ingestion.

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SICK GL6L-P3211 Photoelectric Sensor, Retroreflective, 12 m

Key Features:

Installation and Compatibility:

When to Choose the GL6L-P3211:

Manufacturer Credentials:

Key Specifications

Features

Frequently asked questions

How this compares

Retroreflective laser versus diffuse sensors:

Related Products

SICK GL6L-P3211 Photoelectric Sensor, Retroreflective, 12 m

Key Features:

Installation and Compatibility:

When to Choose the GL6L-P3211:

Manufacturer Credentials:

Key Specifications

Features

Frequently asked questions

How this compares

Retroreflective laser versus diffuse sensors:

Related Products