The words on a meter and its specifications answer different questions. These guides help you separate the measurement terms from the operating steps.
UVB and UVI: what is the difference?
UVB names a band of ultraviolet wavelengths. UVI is an index. Learn why a sensor wavelength range and a displayed UVI value should be read separately.
Take your first UVB-1 reading
Find the sensor, learn the button actions and use HOLD to keep the current value on screen.
Find an operating answer
The FAQ covers the display, automatic power off, rechargeable battery and charger indicator lights.
Keep the original instructions available
Download the English product manual for its illustrated operating and charging instructions.