View and Download HP 400D operating and servicing manual online. VACUUM TUBE VOLTMETER. 400D measuring instruments pdf manual download. Also for: 400h, 400l.

The HP-400D Vacuum Tube Volt Meter is a wide-band RMS voltmeter and amplifier. It is capable of reading AC from 1 millivolt full scale to 300 volts full scale. It has wideband response from …

cabinet. Instruments used to test the accuracy (see S-5) mast to to a. Connect the voltmeter a. shown in figure 5-6. (Thi. setup measures calibration accuracy at mid- b. to Its volt. , turn ara …

1mV to 300V in 12 ranges, 10Hz to 4MHz, -72dB to +53dB, 10Mohms input impedance. -- Original-techn. papers. Model page created by Bernd Pötzsch. See "Data change" for further …

The Hewlett-Packard Models 400D, 400H, and 400L Vacuum Tube Voltmeters are general purpose, portable electronic a-c voltmeters of high sensitivity and stability.

To certify a 400D, 400H, or 400L Vacuum Tube Volt- meter it is only necessary to check the accuracy specifications, These specifications are given in the Operating and Servicing Manual …

View and Download HP 400D organizational, ds, gs, and depot maintenance manual online. Vacuum Tube Voltmeter. 400D measuring instruments pdf manual download. Also for: 4001, …

Find many great new & used options and get the best deals for Vintage Hewlett Packard HP Vacuum Tube Voltmeter Model 400D at the best online prices at eBay! Free shipping for many …

Manuals and User Guides for HP 400D. We have 4 HP 400D manuals available for free PDF download: Organizational, Ds, Gs, And Depot Maintenance Manual, Operating And Servicing …

Like the 400D, the HP-400H is a wide-band RMS Vacuum Tube VoltMeter with separate terminals for cathode-follower output of its amplifier. It is capable of reading AC from 1 millivolt full scale …