If the photograph is clicked, it grows.

HP 81521B 900-1700nm -80-+3dBm Optical Head
JPY160,000 1stock
opt469



Sensor Element: Ge, 5 mm
Wavelength Range: 900-1700nm
Power Range: + 3 - -80 dBm
Acc 2.2%
Noise <-50pW
Diameter 37.5mm Length 140mm 1Kg
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