MM0474
Figure 16.
Power Switch Arrangement.
is 10 times meter scale reading. Proper charge of the battery is indicated by
a reading within the BAT CHARGED region on the bottom of the meter face.
s. The Model 431C power meter is being replaced through attrition on the
secondary transfer set by the Model 432A power meter.
3.
MODEL 432A POWER METER.
a. Description (See Figure 17).
(1) The Model 432A Power Meter with temperature-compensated thermistor
mounts, measures RF power from 10 microwatts (-20 dBM) to 10 milliwatts (+10
dBm) full scale with 1% of full scale accuracy from 10 MHz to 40 GHz. With a
selector switch, the instrument normalizes the power meter reading to
compensate for the Calibration Factor of a thermistor mount used for a given
measurement. For portable operation, Option 01 instruments have a rechargeable
nickel-cadmium battery. See Table 3 for complete specifications.
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