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UVT-LED – Handheld

Monitoring UV-Transmittance is an important part of UV system control. The UVT-LED is the world’s first UV-T monitor to incorporate a UV-C LED light source in place of a conventional mercury lamp. This ensures extremely stable readings in all conditions, over an extended lifetime.

The unique, patent pending design utilises a single lamp and sensor, eliminating drift seen in designs using multiple lamps and sensors.

This simple to use handheld unit allows quick and reliable measurements to be taken of UV transmittance, making it easy to adjust the performance of UV treatment systems, to assess water quality and to carry surveying and planning work for new installations.

For specialist advice call:

+44 (0)1726 879800

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  • General Specification
  • Measurement Specification
  • Ordering Information
Dimensions (hxwxd)192 mm long, 65 mm diameter
Weight0.63 kg
Protection ClassIP67
Power SupplyRechargeable battery, charger included. Charging takes 15 hours from fully discharged
Battery Life50 reading per day for one week.
Auto Power Off after 10 minutes
Environmental Data
Operating Temperature0 to 50ºC
Display3 Digit Display of measured value
Measurement Characteristics
Principal of OperationLight Attenuation
Wavelength254 nm
Pathlength1 cm
Accuracy+/- 1.0 %
Resolution+/- 0.1 %
Measurement Interval5 seconds
Range10 to 100% UV-T
Part NumberDescription
227275Sensorex UVT-LED-H Handheld UV Transmittance Monitor, c/w Carry Bag, and Charger