Fluke CertiFiber Pro User Manual page 106

CertiFiber Pro Fiber Optical Loss Test Set
Users Manual
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Power measurements
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Figure 32. Power Meter Measurements and Controls
The meters show the power levels received on the input port.
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This control shows when the meters measure absolute power.
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Tap the control to see the power measurement in dBm (decibels
per milliwatt), mW (milliwatts), µW (microwatts), or nW
(nanowatts.
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Loss measurements
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GPU126.EPS