THORLABS ERM200 Benchtop Extinction Ratio Meter មគ្គុទ្ទេសក៍អ្នកប្រើប្រាស់
THORLABS ERM200 Benchtop Extinction Ratio Meter Specifications All technical data are valid at 23 ± 5 °C and 45 ± 15% relative humidity (non-condensing). Specification ERM200 ERM210 ERM220 Wavelength Range 600 nm to 1600 nm…