UV meters have high quality , Measuring the energy of light sources. , Spectral range:UV250-410nm.Also it have Low power consumption, automatic shutdown, Zero stable and high accuracy.It is used in Auto Testing Machine, pocket UV radiometer, Glass...
The AD725D Automatic Distortion Analyzer is an extremely accurate instrument capable of measuring 3rd order harmonics of fundamental frequencies from 4 Hz to 110KHz.This unit is capable of measuring distortion on -120dB level, making this analyzer an ideal instrument for testing...