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    Sight‑Glass USL 06 Zone 1/21 & 2/22
    Sight‑Glass USL 06 Zone 1/21 & 2/22
    Sight‑Glass USL 06 Zone 1/21 & 2/22

    Sight‑Glass USL 06 Zone 1/21 & 2/22

    • ATEX designation:  
    • II 2G Ex db IIC T6/T4 Gb  
    • II 2D Ex tb IIIC T85°C / 130°C Db 

    • Approved for Zone 1/2 (gas) and Zone 21/22 (dust)
    • Protection rating IP65/IP67
    • Low‑heat LED technology for sensitive processes
    • Compatible with DIN 28120 / 28121, DIN 11851, and flow indicators
    • Long‑life, energy‑efficient LED module
    • Ambient temperature range: –20°C to +50°C (depending on model)
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    The USL 06 LED‑Ex luminaire is a compact, explosion‑proof LED sight‑glass light designed for hazardous areas. It provides cold, glare‑free illumination with minimal heat output, making it ideal for thermally sensitive processes. Certified to ATEX/IECEx and built with high ingress protection, it fits a wide range of DIN sight‑glass standards and flow indicators.

    Specific References