Pen-Ray® rare gas lamp incorporates the Pen-Ray® 11SC-1 body but replace the Mercury for other reactive ingredients. Designed for fluorescent inspections/calibration. 4.62in Length. Neon Fill. 254nm Shortwave UV Source. 2.12in Lighted Length. 0.256in dia. Quartz. 400mA Max. Primary Current. 18mA (Average) Lamp Current. 800V Starting/270V Operating. 2300VAC Open Circuit. UVP® #: 90-0015-01.