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Cleanroom Control and Environmental Monitoring Systems
Airlock Traffic Light
A high-visibility red-green stop-go indicator that guides personnel and material movement through a controlled cleanroom airlock sequence.
- Clear Red-Green Stop-Go
- Wide-Angle LED Lenses
- Independent Color Inputs
- Smooth Cleanroom Housing
Product Introduction
The airlock traffic light presents a simple stop-go message at a distance where small door indicators may be overlooked. Separate red and green LED lenses operate from the interlock controller, with optional amber used for wait or cycle-in-progress status. Wide-angle optics maintain visibility from the normal approach path, and a smooth white or stainless housing supports cleaning around the entrance. The unit contains indication only; door sequence and safety behavior remain in the dedicated interlock controller.
Key Features
Wide-angle lenses improve visibility from offset approach paths and material carts.
Independent inputs allow the interlock controller to command each color explicitly.
A smooth sealed-looking housing suits cleanroom corridor and airlock surfaces.
Customer Product Concerns
A traffic-light indicator must be unmistakable at approach distance and must never imply that it controls the door lock by itself.
Small door-station lamps are missed when users approach with carts.Large bright lenses raise the visual signal above the immediate handle area.
Red and green appear together during wiring faults.Independent monitored outputs and interlock logic prevent contradictory commands.
A narrow lens is invisible from an angled corridor approach.Wide-angle LED optics maintain color visibility across the expected viewing zone.
Users assume a failed green lamp means the door is safely released.Interlock logic and physical lock state remain independent of the indicator and default to a defined safe condition.
Typical Applications
Personnel airlock sequencingMaterial transfer airlocksCart and pallet movementControlled clean corridor entry
Technical Parameters
Typical materials and dimensions for a cleanroom airlock red-green traffic light are listed below.
| Core Material | High-brightness LEDs in polycarbonate lenses with powder-coated galvanized steel housing |
|---|---|
| Panel Thickness | 60-110 mm housing depth |
| Effective Width | 100-200 mm housing width |
| Maximum Length | Up to 450 mm two- or three-lens housing height |
| Steel Facing Thickness | 1.0-1.5 mm powder-coated galvanized steel housing |
| Core Density | 7800-7850 kg/m³ for steel housing parts |
| Thermal Conductivity | 45-60 W/(m·K) for steel housing material |
| Surface Finish | Smooth white powder-coated housing with red, green and optional amber lenses |
| Joint Type | Wall-mount backplate with gasketed lens modules and rear low-voltage cable entry |
| Customization | Available based on the intended application and operating environment. |
Available Options
Red-green or red-amber-greenVertical or horizontal formatAudible wait toneOptional brushed stainless housing
Planning a Airlock Traffic Light specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
