This economical meter reads UV or visible light transmission percentage. It can test lenses in or out of frames. It is powered by a standard 9 volt battery, which will last about 40 hours with the display on. Calibrates easily with a single knob, measure visible light with the left button, UV with the right button. It can be calibrated for either 380 or 400nm UV standards. A compensation table for lens power is on the back of the unit. The unit automatically shuts down after either button release.
BPI Mini Meter - Battery Operated
- Brand: Brain Power Inc.
- Product Code: 19503
- Availability: In Stock