Banner Q4X Rugged Stainless Steel Laser Distance Sensor

Overview

The Banner Q4X is a Class 1 laser CMOS distance sensor built into a rugged FDA-grade 316L stainless steel housing. Banner Engineering designed it as a problem solver for detection tasks that defeat ordinary photoelectric sensors: black foam on black plastic, black rubber in front of metal, multicolour packaging, shiny metal parts and transparent containers. Instead of relying on reflected light intensity alone, the sensor measures the distance to the target, so presence, absence and position can be confirmed regardless of colour or surface finish.

Seven Star LLC supplies the Banner Q4X to packaging lines, bottling plants, food processing facilities and assembly operations across Oman and the GCC. Our team in Muscat helps engineers choose the right range, housing and output, and provides engineering support for projects in Muscat, Sohar, Nizwa and Salalah.

Operating Principle

The Banner Q4X projects a small, highly visible 655 nm red laser spot onto the target and images the returned light on a CMOS receiver. Because the position of the returned spot on the receiver changes with distance, the sensor calculates the distance to the target by triangulation and shows it in millimetres on its display. Dynamically adjusted laser power raises the output for dark targets or objects at steep angles and reduces it for shiny surfaces, which keeps measurements stable across a wide range of challenging materials. The design is temperature compensated, and Banner recommends a ten-minute warm-up for optimum performance.

Several TEACH modes turn the distance reading into a switching decision: two-point static background suppression, dynamic background suppression, one-point window (foreground suppression), one-point background suppression and the dual mode. In dual mode the Banner Q4X learns a reference surface using both distance and received intensity, so any change in either value switches the output. This is how the sensor detects clear bottles, film and other transparent objects without a retroreflector, and how it confirms that a part is present and correctly oriented.

Engineering Design of the Banner Q4X

The Banner Q4X housing is machined from 316L stainless steel with a PMMA acrylic lens cover and a polysulfone lightpipe and display window. It resists mechanical impact, over-tightening and extreme vibration, and the laser-marked information survives aggressive washdown. The materials are ECOLAB certified and compatible with common acidic and caustic cleaning chemicals as well as typical cutting and lubricating fluids, which suits food, beverage and machining environments.

Two mechanical styles are available. Threaded barrel models use an industry-standard 18 mm barrel for quick installation, a bipolar output (one PNP and one NPN) and an integral 5-pin M12 connector. Flush mount models offer a flat face for hygienic food and beverage machinery, a PNP or NPN output and an integral 4-pin M12 connector. Setup takes place through three tactile buttons below the angled four-digit, seven-segment display, which can be read from several vantage points, and the remote input wire allows teaching, laser enable and button lockout from a PLC.

Key Features

The Banner Q4X brings the following capabilities to a production line:

• Reliable detection of dark, shiny, multicolour and transparent targets using distance-based measurement rather than simple contrast.
• Sensing ranges of 25 to 100 mm, 25 to 300 mm and 25 to 500 mm for threaded barrel models, and 35 to 110 mm or 35 to 310 mm for flush mount models.
• Dual intensity and distance mode that detects clear objects and subtle surface changes without a reflector.
• User-selectable response speeds of 1.5, 3, 10, 25 or 50 milliseconds to balance speed against excess gain.
• Angled four-digit display with submillimetre resolution and a bright amber output indicator visible from a distance.
• 316L stainless steel housing rated IP67 and IP68 per IEC 60529 and IP69K per ISO 20653 when a suitable cordset is installed.
• Strong ambient light immunity of more than 5,000 lux at 300 mm, which prevents nuisance trips under changing lighting.
• Remote input for remote teaching, laser enable and factory reset, plus master and slave synchronisation between sensors.

Industrial Applications

Bottling and beverage plants use the Banner Q4X to regulate the flow of bottles on conveyors and to detect accumulation of clear PET containers, where variations in shape, colour and transparency confuse conventional sensors. Food factories use flush mount versions in washdown areas, and pharmaceutical packaging lines rely on the analog family for fill-level checks. In assembly cells the sensor verifies that small spacers, gaskets and fasteners are present and seated before the next process step, a typical error-proofing task for automotive and electronics suppliers.

In Oman, these applications appear at beverage and dairy producers, plastics and packaging converters in the Rusayl and Sohar industrial estates, and logistics hubs serving the GCC. Seven Star LLC supplies the Banner Q4X as a trusted supplier for these sites and supports engineers who are standardising on one rugged sensor to reduce spare-part inventory. Process customers can combine it with instruments such as the Magnetrol Eclipse 706 guided wave radar level transmitter, the Vaisala DMT152 dew point transmitter and the Setra 209 pressure transducer.

Technical Specifications

The Banner Q4X values below are taken from the Banner Q4X Stainless Steel Discrete Laser Sensor Product Manual (p/n 181483).

How to Order

To order the Banner Q4X, send Seven Star LLC an RFQ with the model number or the required range, mounting style and output type. Our automation engineers in Muscat will confirm availability and lead time, recommend the matching M12 cordset and bracket, and share the Banner product manual for download. Seven Star LLC supplies Banner Engineering sensors on request across Oman and the GCC with engineering support in Muscat.