Product Details

Some of the most popular models are described below with part numbers and further specifications detailed in the table. Custom modifications of these products are available - options include quartz type and size.

90-0012-01 (11SC-1): One of the most popular UVP Pen-Ray Lamps. Its simplicity of physical dimensions lends itself to a multitude of applications. Lamp's lighted length is 2.12" (53.8 mm), overall length is 4.62" (117.3 mm). Lamp emits Mercury specturm with the primary energy at 254 nm. The nomical voltages are 800 V (starting) and 270 V (operating).

90-0019-01 (11SC-1L): The longwave version of the 11SC-1. All properties are identical except the quartz tube is sheathed with a blue filter to absorb visible light, increasing the lighted length to 2.25" (57.2 mm) and broadening the outside diameter to 0.375" (9.5 mm). The principal emission is a 365 nm (longwave) by converting the power from 254 nm.

90-0020-01 (11SC-2): A shorter lighted length (0.75", 19.1 mm) version of the 11SC-1 for restricted access. All other properties are identical. Nominal voltages are 800 V (starting) and 270 V (operating).

90-0004-01 (3SC-9): One of the most popular large UVP Pen-Ray Lamp models with a lighted length of 9.0" (228.6 mm) and outside diameter of 0.375" (9.5 mm). This lamp is used frequently for photoreactions and ozone production. It emites the Mercury spectrum with primary energy at 254 nm. Nominal voltages are 640 V (starting) and 560 V (operating).

UVP Pen-Ray Lamps are manufactured from the highest grade of quartz material.
  • Sterilization
  • Fluorescent Inspection
  • Photochemical Reaction
  • Interferometry
  • Chromatography
  • Photometric and Fluorometric Instruments
  • Spectroscopic Wavelength Calibration
  • Monochromatic Sources for Optical Systems and Reference Studies


The following tables illustrate the nominal intensities of the standard UVP Pen-Ray Mercury Lamps when current feed into the lamp is a variable. It also includes the typical temperature generated by the lamp at these currents. The output is measured at a distance of 0.75" (19.1 mm). Emission intensities follow the inverse square law.

All measurements were obtained with a UVP UVX Radiometer for optimum accuracy. There are several other factors that can determine the intensity of a UVP Pen-Ray Lamp besides the current feed. Reflectors and proprietary factors inside of the lamp can contribute to modifications of output intensities.


Typical Intensities of UVP Pen-Ray Lamps
Typical Intensity
254nm @ 0.75"
Typical Intensity
365nm @ 0.75"
Lamp Operating VoltageLamp Body Temperature
(degrees C)
90-0012-01 (Model 11SC-1)
5 mA AC20006537555
10 mA AC360010533080
15 mA AC4400145300100
25 mA AC4750215260145
35 mA AC4100330230185
90-0019-01 (Model 11SC-1L)
20 mA AC 1213280120
25 mA AC 1280260145
30 mA AC 1298  
35 mA AC 1255230185
90-0020-01 (Model 11SC-2)
5 mA AC11503024060
10 mA AC18505021585
15 mA AC190070200105
25 mA AC1700130185155
35 mA AC1500210190200
90-0004-01 (Model 3SC-9)
5 mA AC8005059030
15 mA AC330013060039
25 mA AC540020057048
35 mA AC670025053054
50 mA AC690030048064
Analytik Jena
Mercury Lamps
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