Handheld Optical Power Meter
5
……
(5) Delete/Cancel Key.
1. Data Delete. When viewing specific data, press to delete the record.
2. Cancel the saving. When in the saving mode, press to cancel the current data saving.
(6) Unit switch key
Press the Unit key to switch between the absolute measurement(dBm) and relative
measurement(dB) and nW of the optical power.
mW
、
dBm conversion
：
10 log(mW)=(dBm)
mW
、
uW
、
nW conversion
：
1mW=103uW=106nW
dBm
dB
0001
0008
