Power Meter Operation

Recorder Output

Leveling a Source Output

The Recorder output can be used to level an output from a source using external leveling. The following procedure explains how to do this:

1. Select the channel to be represented on the Recorder Output by

pressing System , More , Recorder Output , Output A B .

Inputs

2.The highest power you are going to measure is used to determine the value which you should set for the Recorder Output maximum

setting. For example, if you are measuring a power less than 1 mW and greater than 100 μW, then set the recorder maximum value to 1 mW.

50 dBm (100 W)

40 dBm (10 W)

30 dBm (1 W)

20 dBm (100 mW)

10 dBm (10 mW)

0 dBm (1 mW)

-10 dBm (100 μW)

-20 dBm (10 μW)

-30 dBm (1 μW)

-40 dBm (100 nW)

-50 dBm (10 nW)

-60 dBm (1 nW)

To set the maximum value press System , More ,

Inputs

Recorder Output , Max Power and enter the appropriate value.

3.Press Min Power and enter 0 W.

4.Press Output Off On to “On”.

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HP EPM-442A User’s Guide