Lumistar Explosion-Proof Sightglass Luminaire

This compact, high-performance Lumistar Ex luminaire is engineered for powerful illumination of closed process environments in hazardous (Ex) areas. Designed for seamless integration with round sightglass fittings to DIN 28120/28121, screw-type DIN 11851 sightglasses, and flow sightglass fittings, it delivers exceptional visibility where conventional lighting cannot operate.

Despite its small footprint, this luminaire produces intense daylight-white illumination, ensuring clear visual inspection of tanks, vessels, reactors, agitators, silos, and process pipelines operating in explosive atmospheres.

Key Applications

• Vessels, tanks, and closed process containers
• Agitators, mixers, and reactors
• Silos and storage systems
• Visual flow indicators in explosive environments
• General illumination of process equipment in Ex zones

Performance Features

• Compact design with exceptionally powerful light output
• Daylight-white (5700 K) LED illumination
• Alternative colour temperatures available on request
• Narrow 19° beam angle for focused process visibility
• 500 lumen output for bright, high-contrast viewing

Explosion Protection Ratings

• II 2G Ex db IIC T6 Gb (Gas atmospheres)
• II 2D Ex tb IIIC T80°C Db (Dust atmospheres)

Technical Specifications

• Ambient Temperature Limits:
  • Up to 40°C (T6)
  • Up to 50°C (T4)
• Beam Angle: 19°
• Luminous Flux: 500 lm
• Light Colour: 5700 K (daylight white)
• Ingress Protection: IP65 and IP67 (DIN EN 60529)

Purpose-built for safety-critical environments, the Lumistar Ex luminaire delivers dependable, high-intensity lighting for clear, accurate process observation in explosive atmospheres—compact, reliable, and engineered for long-term performance.

Technical Specifications: