Sensitive UVA & UVB Total UV Light Meter, Handheld Digital Radiometer and Light Bulb Tester

A.The spectrum of the mercury lamp and the LED light source are different. When measuring, choose the instrument that matches the spectrum of the light source. If the spectrum of the light source is inconsistent with the response spectrum of the instrument, the measured data is not accurate.

Almost all shipping methods supported by Made-in-China are DAP trade terms, which means that buyers need to handle customs clearance and pay custom duties. If you do not want to pay any extra expense or high custom duties before receiving the goods, please contact us before payment to help you find other shipping methods. Appreciate for your understanding.

Generally speaking, it depends on the import policy set by your country's customs office. The fee is related to the value of the goods and the type of goods. You can consult your country's customs office using the HS code we provide you.

The spectral response curve of the instrument we tested for UVA LED light source is very stable between 365nm and 405nm. No matter what band the LED is, there is no problem. We calibrate the machine at 395nm LED light source.