Measuring Power or Loss (EPM-50)
10
Measuring Power or Loss
Measuring absolute power is done the same way as referencing the power meter to
a source, except for the referencing step.
To perform power or loss measurements:
1.
If necessary, perform an offset nulling (see
2.
Check and clean your fibers appropriately for optimum performance
(see
Cleaning and Connecting Optical Fibers
3.
For loss measurements, reference your power meter to a light source
(see
Referencing Your Power Meter to a Source
on page 9), then deactivate the
light source.
4.
Using the proper adapter and test jumpers, connect a fiber under test to a light
source (such as ELS-50) and to the detector port of your unit.
Note:
If you have referenced your power meter to a source, simply connect a
fiber under test to the test jumpers used for referencing.
Fiber under test
Test
jumper
Test
jumper
Light
source
Power
meter
Adapter
Bulkhead
connector
Bulkhead
connector
Содержание ELS-50
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