Cyana NEW Optical Anti-radiation Ultraviolet Tester Lens UV Tester CP-13B with knob

This product is qualified for CE approval and is manufactured under the strict quality control guidelines!

Features
*It is the most convenient and practical UV-400 measuring instrument.
*It is clean at one glance to anti-UV transmittivity.
*UV data by light showing and LCD screen
*Adjusting knob: Makes the measured value more accurate
*Dual-purpose: UV-400 measuring and anti-radiation testing Instruction for use
One: UV-400 ultraviolent-resistance test
First, put the standard lens on the outlet of UV light, adjust the knob to make the value on the LCD screen same with the value of the standard lens.
For the accuracy, you have to calibrate the value with the standard lens.
Put the target lens on the outlet of UV light, and then the data displayed on the LCD screen is just the value of ultraviolent. The closer to 400 nm, the better the lens is.
Two: anti-radiation test

Makes the protruding part of lens in touch with the black anti-radiation testing point; If the lens is radiation-resistant, bird calls are given out, or is not radiation-resistant.

Specifications
Power Supply: AC 220 V/ 50 Hz; AC 110 V/ 60 Hz; 20 W
Dimension: 273 x 162 x 112 mm
Weight: 0.6 kg

Headling time：4days

you will receive it within 5-9 working days.