[ForSale-Swap] FS: HP Test gear

[Brian Carling]

These devices would be great for building a small transmitter or receiver into. They already have 120 V AC power supplies in them.

Best regards - Brian Carling, AF4K

Tel: 321-262-5471




> On Sep 1, 2015, at 6:07 PM, Bry Carling AF4K <bcarling at cfl.rr.com> wrote:
> 
> FOR SALE:
> 
> 1)   Hewlett Packard Model: 425A  VTVM
> Specs:  Vacuum Tube DC Micro Volt Ammeter
> DC Voltage Ranges: Eleven zero-center ranges in a 1-3-10 sequence with following full scale 
> positive and negative values:
> ±10, 30, 100, 300 microvolts;
> ±1, 3, 10, 30 millivolts;
> ±0.1, 0.3, 1 volt. 
> Input impedance on Voltage Ranges: 1 meg ohm ±2%; determined by input resistor which 
> can be removed to provide input Z in excess of 50 megohms. 
> DC Current Ranges: Eighteen zero-center ranges in a 1-3-10 sequence with following full 
> scale positive and negative values.
> 
> Has no accessories, untested - sold as-is, but appears to be in good condition.
> Requires 115V AC
> Available for $35.00 plus shipping.
> 
> 2) Hewlett Packard 415B SWR Meter. Untested - looks good. I have no specs, but looks like 
> a cool gadget.  Available for $30.00 plus shipping.
> 
> 73 de AF4K, Bry
> 
> 
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