ACCU-CAL™ 50 Radiometer - UV Intensity Meter

for use with UV Spot Lamps & UV Flood Lamps  CE Marked - Available Globally

The ACCU-CAL™ 50 radiometer UV intensity meter is a simple-to-operate device that measures UV-A (320-390nm) intensity and dose (energy). Degradation of UV curing bulbs, lightguides, and reflectors can significantly reduce intensity, resulting in incomplete cures.

The ACCU-CAL™ 50 allows operators to validate, monitor, and document a UV curing process. A low intensity measurement signals an operator to replace the bulb, lightguide, or reflector. The ACCU-CAL™ 50 can also be used to confirm that operators are properly shielded from UV exposure.

  • Measurement range up to 40W/cm2
  • Only one calibration per year
  • Durable temperature-resistant sensor
  • Comes with sturdy carrying case
  • PTB and NIST traceable
Download  ACCU-CAL™ 50 Radiometer UV Intensity Meter Product
Download  ACCU-CAL™ 50 UV Radiometer User Guide
Download  Dymax Light-Curing Equipment Selector Guide

Take advantage of the opportunity to evaluate our light curing systems for two weeks free of charge through our Try-and-Buy program.


ACCU-CAL™ 50 Radiometer Specifications
Spectral Sensitivity 320 to 395 nm
Intensity Range 1 mW/cm2 to 40 W/cm2
Resolution Intensity (1 mW/cm2; to three significant digits)
Dose (1 mJ/cm2)
Calibration Period 12 months
Operating Temperature Ranges Optometer: +5 to +40°C
Detector: 120°C continuous, Peak 200°C
Measurement Modes Intensity (mW/cm2 and W/cm2)
Peak Intensity (mW/cm2 and W/cm2)
Dose (J/cm2)
Light Sources Lightguides (3 mm, 5 mm, and 8 mm) Floods/Conveyors
Power Supply Two (2) AA batteries
Battery Life 250 hours (automatic shutoff after 1 hour)
Sensor Dimensions Photo-Sensor Diameter = 9 mm
Diameter = 37 mm
Thickness = 8 mm
Cable Length = 1 M
Meter Dimensions 120 mm (Length) x 65 mm (Width) x 23 mm (Thickness)
Radiometers & Accessories
Product Part # Description
ACCU-CAL™ 50 for Flood Lamps and Conveyors 39561 Complete radiometer (without lightguide adapters or lightguide simulator*); includes storage/carrying case
ACCU-CAL™ 50 for Spot and Flood Lamps and Conveyors 39560 Complete radiometer with lightguide adapters (3 mm, 5 mm, and 8 mm) and lightguide simulator*; includes storage/carrying case)
Flood to Spot Adapter Kit 39554 Kit includes three lightguide adapters (3 mm, 5 mm, and 8 mm) and lightguide simulator*
3 mm Lightguide Adapter 39556 Fits 3 mm ID lightguides (5 mm OD)
5 mm Lightguide Adapter 39557 Fits 5 mm ID lightguides (7 mm OD)
8 mm Lightguide Adapter 39558 Fits 8 mm ID lightguides (10 mm OD)
5 mm Lightguide Simulator* 38408 5 mm lightguide simulator* with a standard D connection
*A lightguide simulator is used to measure direct spot lamp intensity (required to calculate lightguide transmission)
Images & Diagrams
Part Number 39560 ACCU-CAL 50 for Spots, Floods & Conveyors

PN 39560
ACCU-CAL™ 50 for spots, floods and conveyors.

Part Number 39561 ACCU-CAL 50 for Floods and Conveyors

PN 39561
ACCU-CAL™ 50 for floods and conveyors.