J-Serie Radiometer

The J-Series UV meters are photovoltaic devices for taking accurate and repeatable readings of UV light sources in either the 365 nm or 254 nm UV range.

Applications: Quality Control

The exact article number can be found in the technical data.

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UV Radiometer - J-Series

  • Each meter features two scales for low and high intensity readings
  • For remote readings, a four foot (1.2m) cord connects the sensor to the meter
  • Two scales measure a wide range of intensity
  • An infrared filter assures accurate readings when measuring light sources producing infrared radiation
  • The 5x attenuation screen can be used for very high intensity lamp measurements
  • Meters are self-powered for maximum portability

General Technical Data

PowerPhotovoltaic
Dimensions76 x 76 x 76 mm
Weight0.25 kg

Two Models

  • J-225 Meter
    Measures the intensity of shortwave UV (254 nm).
    Each meter comes with a sensor, attenuation screen and filter. 
    This meter's sensor is sensitive within a range from 220 to 280nm with maximum sensitivity at 254 nm
    Order No. 110.4414
  • J-221 Meter
    Measures 365nm the intensity of longwave UV (365nm).
    The sensor is sensitive from 300 to 400 nm with a peak sensitivity at 365nm.
    J-221 Meter complies with MIL STD 45662-A and can be found in MIL-I-6868D (NSN 6635-488-5451)
    Order No. 110.4413

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