*** For Auction

******** HP 410B VTVM **********

**** SN: 5144 ****

**** Photo: Unit for sale *****

HP-410B VTVM Overhaul Complete

* Upgrades installed:

* 1) Solid State Plug-in V2 & V3 replacements. These reduce cabinet heat, extend unit life, reduce instrument drift , reduce warm up time, and other associated heat related issues.

*2) Solid State Plug in 6X4 rectifier tube. This plug-in tube replacement reduces in-cabinet overall heat, reduces power transformer load, extends unit useful life.

* B+ filter capacitor replaced ( we use 10uf/450 new electrolytic capacitor)

* Re-soldered all resistors on main board ( found two intermittent solder joints)

* New ( Rebuilt) test lead assembly installed.

* Replaced all .005uf capacitors (7) in unit. We use .0047@1kv disk ceramic units.

* Checked cathode resistors, V2 & V3 for value within banded tolerances.

* Repainted Bezel and installed

* Cleaned or replaced AC Calibration potentiometers.

* Replaced RX1 potentiometer shoulder insulating washers

* Installed IEC AC Male panel connector , rear lip of chassis, IEC AC cable assembly furnished

( NOTE: This modification was initiated by HP and installed on the last production runs of the "B")

* DC Calibration

* Installed " Do Not Measure AC Line Voltage" placard

* Knobs cleaned and clear-coated.

* Replaced DC Calibration potentiometer

* DC Calibration accomplished.

* Cabinet cleaned, primed and re-painted

* New Carry handle installed.

* Cabinet installed.

Shipping is Fed EX , insured for sales price, to the lower 48 USA ONLY. Signature required unless declined by buyer. No International Sales.

* All sales are final, No warranties or guarantees expressed or implied. No exchanges.

* Tech support via email.

****** Please do not make a payment, after purchase, until you receive an invoice from us. ****

** Please note: This instrument was designed, and we do all of our testing with an AC input voltage of 115VAC. Other higher AC line voltages may shorten instrument life.

Brand	HP
Frequency Range	NA
Current Type	AC, DC, Ohms RF Voltage
Country of Origin	United States
Display	Analog

HP-410B VTVM #6, SN 5144, Overhaul Complete

Specifications