UV water sterilizer lamp

Mon, 29 Jun 2026 11:47:03 +0800

Public disinfection robots live and die by throughput. If the pass cycle drags, you’re tying up equipment, stretching downtime, and watching your cost per square meter climb. The usual bottleneck is UVC dose—too little delivered in a single pass. So we built a UVC water sterilizer lamp around high-energy-density output. The point is simple: compress dwell time without giving up microbial inactivation. What matters under the hood We’re running low-pressure mercury vapor, tuned for 254 nm germicidal output. The quartz sleeve is doped to kill the 185 nm line, so you get an ozone-free 254 nm spectrum. Peak irradiance at the target plane hits 120 mW/cm², and the system holds ≥40 mJ/cm² at a 5 cm working distance. The reflector is high-purity aluminum, parabolic with a specular finish, keeping the beam tight at ±15°. That geometry is what puts the dose where you need it, not sprayed across the room. Input is 240 W, with 24 V DC control—sized to fit compact robot integration. Lamp life is rated to 9,000 hours, and end-of-life detection is tied to UVC sensor feedback. Why this plays in robots With disinfection robots, speed comes from dose rate, not just runtime. Push peak irradiance higher, and you can slow the pass speed while still exceeding the lethal UVC dose for common pathogens. In practice, that means shorter dwell per pass, faster room turnover, and more runs per day. The ozone-free spectral profile keeps byproducts out of the air stream, and the 24 V drive plays nicely with existing robot power and control buses. The shop-floor details you can’t skip Mounting geometry is critical. Hold the standoff distance specified—if you drift, delivered dose drops off fast, and it’s not linear. Reflector fouling is real in dusty or humid environments. Schedule quarterly inspection and cleaning, or output will drift. For full robot compatibility, confirm mechanical envelope, connector polarity, and EMC conditions. And keep the lamp compartment between 10–40°C; temperature swings will make output unstable.

Water on UV Light Lab

UV water sterilizer lamp