Rodent hair glows blue-white and is easily identified on sacks or intermixed with food grains.įorgeries of bank notes, standard checks and travellers' checks are mainly printed on inferior bleached paper or photocopied. Dry rodent urine glows a blue-white if fresh to a yellow-white if old when exposed to longwave ultraviolet light. by using an ultraviolet lamp to search out and fluoresce rodent urine. Using lower wattage blacklights (4 watt) require being close to the inspection area with it as dark as possible.ĭetect rodent presence and contamination in warehouses, storerooms, etc. Since the UV light is relatively weak, it works best to darken the room as much as possible. The urine will glow in the dark using a blacklight (longwave UV light). The amber-colored pet urine is composed of protein metabolism waste products, with feline diets typically protein richer than dogs. Return Policy: Ultraviolet lamps from Analytik Jena (UVP) have a 20% restocking fee. Use with J-129 stand for hands-free operation.Wavelengths 365 nm longwave and 254 nm shortwave.A snap-on selector is used to mask the SW or LW portion of the bulb, depending on the user's preference. Works well with optional Model C-10 UV Cabinet.įor cost savings, the UVGL-55 utilizes a single split-tube for both shortwave and longwave UV light emissions. This lamp provides higher intensity than 4-watt models for greater fluorescence. This Model UVGL-55 Hand-held UV lamp is a lightweight 6-watt model with 254 nm shortwave and 365nm longwave UV light output. Assay - Crucibles, Cupels and Casseroles.

Portable handheld black light