Hewlett Packard 432A Metro di livello
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Power and Noise Figure Meter
432A/B/C Power Meters
High accuracy—no thermoelectric error: High accuracy over a wide temperature range is featured on the 432 Power Meters. By measuring the output voltage of the thermistor bridges, and computing the corresponding power, even higher accuracy of ±0.2% ±0.5 µW can be obtained.
Accuracy can be maintained on even the most sensitive range because the error due to thermoelectric effect is reduced to a negligible level.
Calibrated mounts: Each thermistor mount is furnished with data stating the Calibration Factor* and Effective Efficiency* at various frequencies across the operating range. For easy and accurate power measurements, the front panel of the 432 contains a calibration factor control, calibrated in 1% steps from 88% to 100%, that compensates for losses in the mount and eliminates the need for calculation.
Instrument type: automatic, self-balancing power meter for use with temperature-compensated thermistor sensor.
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2020 05 31