Hp 410b vtvm manual

The manual suggests using a potentiometer across a battery and then using a precision voltmeter that is in calibration to set the potentiometer to deliver precisely volts to the B. You'll need something like a Fluke DMM as your precision voltmeter. If you don't have one, perhaps you can borrow one. t INTRODUCTORY GENERAL The -hp- Model 4IOA High Frequency Vacuum Ttzbe Voltmeter has been espeefally www.doorway.ru as a universal neczsur- ing knstrument for use in audio, supersonic, broadcast, FM, and televlsfon cfrcufts, To this end the inp resistance of the instrument ha been made extremely high, while the equivalent shunt input capacitance is . The laboratory grade HPB is one of the best VTVMs ever made. It can measure AC voltages with a frequency response to MHz within 1 dB. It is useful to around 3 GHz according to the manual. That makes it excellent for measuring radio frequency voltages. It can also measure DC with an input impedance of megohms on all ranges.

The HPB has several screwdriver adjustable calibration potentiometers. Section IV, Page 4 of the manual has the procedure. I used a high-precision DC meter as the reference for adjusting the DC scales (one adjustment, R at 1 volt) and an isolated variable AC source with a known accurate reference meter to tweak the various AC ranges. Service Manual for Hewlett Packard HP B VTVM Vacuum Tube Voltmeter c. Used Operating and Servicing Manual for Hewlett Packard B Vacuum Tube Voltmeter. Serials Prefixed: Manual has schematic. This Case model B Tractor Service Manual is a digitally enhanced reproduction of the original manufacturer-issued Shop Manual. This manual covers John Deere B, C, B C Backhoe Loader Operation Test Technical Manual.

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