Model J221 Black Light Meter

UVP INC Model J221 Black Light Meter
The J-221 Meter measures the intensity of longwave UV (365nm). The sensor is sensitive from 300 to 400nm 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)

* 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

Power: Photovoltaic
J-221 Meter: Measures 365nm UV

3H x 3D x 3W in. (76 x 76 x 76mm)
Weight: 9 oz (0.25kg)
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