6
Ports and Display
REF # DESCRIPTION
1
Optical input (adapter cap mount) - accepts NOYES thread-on adapter caps.
2
Adapter cap - the OPM4 optical input must be equipped with an adapter cap.
3
Display - depending on the selected mode, shows measured power dBm or µW or insertion
loss dB, calibrated wavelengths, tone signal Hz, wavelength ID, references, and battery charge
status.
4
Power Port - mini-USB connection for AC power adapter or PC connection (powers unit only -
no data functionality)
OPM-Series Optical Power Meters
OPM4 Models
Optical Power Meter
λ
Ref
dBm
OPM4
dB
W
µ
Set
0000
0.00
WAVE ID
nm
Hz
µ
W
dB
0000
0.00
nm
Hz
µ
W
dB
Optical input -
adapter cap mount
Power Port
Display
Wavelength/Backlight
key
Set Reference key
dB/dBm/µW key
Power key
Adapter cap
2
1
4
3
