Product Overview:

HPC-50BVhandheld optical power meter has compactsize and high  reliability . It  can make accurate  measurement  on seven operating wavelengths(850/980/1300/1310/1490/1550 /1625nm）. It's  constantly  used in  measurement upon active and passive optoelectronic devices, such as fiber, laser diode and transmitter.

Product Features:

Photo detector of large sensitive area, which is easy to clean.
Fast conversion and high refresh rate, up to 20Hz.
High sensitivity, up to -70dBm(Type A) and -50dBm(B type).
2pcs of AA battery as power supply.