The 400E AC Voltmeter is primarily intended as a voltmeter, however it can indicate both voltage and dB.
The meter has a linear AC scale with a logarithmic dB scale underneath. The voltage range is 1 mV to 300 V full scale.
The dB range is -72 dBm to +52 dBm. Meter calibration responds to the absolute average value of the applied signal, calibrated in RMS volts from 10 Hz to 10 MHz.
The accuracy as a % of reading is: 4% (10 to 20 Hz), 2% (20 to 40 Hz), 1% (40 Hz to 2 MHz), 2% (2 to 4 MHz), 4% (4 to 10 MHz).
Input impedance is 10 Mohms.
The AC amplifier output is 150 mV rms open circuit for full scale meter indication.
HP 400E AC Voltmeter and other Voltmeters for sale at Test Equipment Center.
HP 400E products for sale at Test Equipment Center are thoroughly tested, and receive electrical and cosmetic reconditioning as needed prior to sale. All products include a 90 day warranty from Test Equipment Center to ensure your complete satisfaction.
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