The A is a sophisticated microprocessor controlled dual channel power meter which can measure ratio and A HP Manual was downloaded from the Web. HP A Power Meter is a dual channel power meter designed specifically for ATE systems. The compact front panel is designed to save space in rack mounted. The HP A Power Meter is a dual channel power meter designed specifically for ATE systems. . Option Additional manual. Option W Two additional.
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The A is a sophisticated microprocessor controlled dual channel power meter which can measure ratio and difference of power levels from 2 different sources. It measures absolute power in Watts or dBm, and relative power in dB.
Agilent / HP 438A Dual Channel Power Meter
A HP Manual was downloaded from the Web. Top view with cover removed. Bottom view with cover removed. Initial display lights all segments.
Initial power up display. Display with no sensors connected.
A Dual Sensor Power Meter [Obsolete] | Keysight (formerly Agilent’s Electronic Measurement)
I use this as my ‘reference’ power meter. Up to 19 different operating states of the meter can be stored into non-volatile memory for later recall. The power reference output and calibration controls are used to calibrate 438aa particular power sensor in use.
Top PCB hinges up. November Checking all the specialist batteries in my test equipment, see Batteries In Test Equipment. The A has a 3V 0.
The battery maintains the supply voltage to the RAM. The A needs powering up occasionally to recharge the battery.
HP A Power Meter
January A Quick Calibration Procedure: Press Zero key and wait for routine. Switch off Power Ref, check Oscillator light is off.
Disconnect Sensor from Power Ref output.