1. uv meter 2. uv integrator 3. uv tester uv meter, uv integrator, uv testerFunctions introductionThe spectral range for UV energy meter is 250~410nm, and the best ultraviolet ... use, locking the switch on "OFF" for turning the meter off in time, which is a right way for ... prolonging the battery's service time.Main parametersSpectral range: UV 250~410nmLight intensity: 0~5,000mW/cm²Metering range: ...