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Hewlett-Packard 400D & 3400A Voltmeters, Lester Charger & Cenco Power Supply

Currency:CAD Category:Electronics / Vintage Electronics Start Price:10.00 CAD
Hewlett-Packard 400D & 3400A Voltmeters, Lester Charger & Cenco Power Supply
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[?]Live Online Auction Starts In 2026 Oct 13 @ 10:00 (UTC-07:00 : PDT/MST)
Preview: October 10th (10am - 5pm)
Pick ups: October 14th - October 16th (10am - 5pm)

Preview and Pick up location: 27294 Fraser Hwy, Aldergrove, BC V4W 3P8

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• ALL items are AS IS WHERE IS, NO EXCEPTIONS. Our Catalogues are used as a guideline only! BRING YOUR OWN PACKING MATERIALS
This lot brings together four analog electrical test and power instruments: a Hewlett-Packard Model 400D vacuum-tube voltmeter, Hewlett-Packard Model 3400A RMS voltmeter, Lester Model 12610 24-volt fully automatic battery charger, and Cenco Model 79552-606 filtered power supply. Introduced in 1955, the HP 400D provides 12 full-scale ranges from 1 mV to 300 V across a 10 Hz to 4 MHz frequency range. The HP 3400A is a true RMS voltmeter with 12 ranges from 1 mV to 300 V and a 10 Hz to 10 MHz frequency range. The Lester charger is rated for 120-volt, 60 Hz, 4-amp input and 24-volt, 8-amp DC output, with settings for gel or sealed maintenance-free batteries and conventional liquid-electrolyte batteries. The Cenco supply provides adjustable 0-15 V DC at 5 A and 20 V AC at 5 A. The group includes attached leads and clamps associated with the Lester charger.

INSTRUMENT INVENTORY
Hewlett-Packard Model 400D vacuum-tube voltmeter
Hewlett-Packard Model 3400A RMS voltmeter
Lester Electrical Model 12610, Type 24EL8, 24 V fully automatic battery charger with attached cords and clamps
Cenco Model 79552-606 filtered power supply

HP 400D range: 1 mV-300 V; 10 Hz-4 MHz; 12 ranges
HP 3400A range: 1 mV-300 V; 10 Hz-10 MHz; 12 ranges
Lester charger ratings: 120 V, 60 Hz, 4 A input; 24 V DC, 8 A output
Lester model and type: Model 12610; Type 24EL8; marked 08-94
Cenco outputs: 0-15 V DC at 5 A; 20 V AC at 5 A
Condition: As pictured.