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General => Buy/Sell/Wanted => Topic started by: salvagedcircuitry on November 02, 2024, 03:38:20 am

Title: (2) HP Agilent 53131a Frequency Counters No OCXO 10turn pots military connectors
Post by: salvagedcircuitry on November 02, 2024, 03:38:20 am
HP 53131a Frequency Counter: $225 obo

Specs:
-225mhz
-VFD life is I'd say a 7/10. That's in reference to a newly produced 53132a
-rear plate is 3d printed
-53131a has the older HP brown colored leatherette texture on the metal shell
-no OCXO
-no front 3ghz / 6ghz / 12ghz option
-no rear extra BNC option

Testing Conducted:
-Counter passes internal self tests
-Firmware revision: 3427
-10MHZ ref test on both channels


(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2454385;image)
(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2454389;image)


Agilent 53131a Frequency Counter: $225 obo

Specs:
-225mhz
-VFD life is I'd say a 7/10. That's in reference to a newly produced 53132a
-rear plate is 3d printed
-53131a has the older HP brown colored leatherette texture on the metal shell
-no OCXO
-no front 3ghz / 6ghz / 12ghz option
-no rear extra BNC option

Testing Conducted:
-Counter passes internal self tests
-Firmware revision: 3944
-10MHZ ref test on both channels

(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2454365;image)
(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2454369;image)
(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2454373;image)


10 Turn Pots, Counting Dials: $50 obo
-These are oldies but goldies. These were from a lab cleanout at a local college. some were used but many were not.
-Amphenol, bourns, the good stuff
(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2422331;image)
(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2422335;image)
(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2422339;image)



Military Spec Male Female Connectors Receptacles: $50 obo
-These were from a lab cleanout at a local college. some were used but many were not.
-top shelf brands
(https://www.eevblog.com/forum/buysellwanted/hp-agilent-53131a-frequency-counter-no-ocxo/?action=dlattach;attach=2422343;image)



Shipping:
-Shipping is free. USPS ground advantage
-Item will be packaged well, with tracking#
-I ship via UPS or USPS
-I can expedite for extra $
-Shipping to US48 only

Terms:
-This item came from a smoke free, pet free environment
-No international
-Paypal only. Will only ship to Paypal mailing addresses
-Make sure you update your paypal mailing address before sending payment

Note:
-obo = or best offer  ^-^

Wanted list:
-Agilent / Keysight E5062a or E5061b VNA
Title: Re: HP Agilent 53131a Frequency Counter No OCXO. 10 turn pots, military connectors
Post by: salvagedcircuitry on November 20, 2024, 08:57:17 pm
Bump. passes all self tests too.
Title: Re: (2) HP Agilent 53131a Frequency Counters No OCXO 10turn pots military connectors
Post by: salvagedcircuitry on December 05, 2024, 10:36:59 pm
Bump. Added a second counter and more photos.
Title: Re: (2) HP Agilent 53131a Frequency Counters No OCXO 10turn pots military connectors
Post by: salvagedcircuitry on December 15, 2024, 09:53:11 pm
Bump. Prices lowered. This is cheaper than anyone on ebay.
Title: Re: (2) HP Agilent 53131a Frequency Counters No OCXO 10turn pots military connectors
Post by: tszaboo on December 17, 2024, 04:50:25 pm
Bump. Prices lowered. This is cheaper than anyone on ebay.
I'm somewhat interested in this. But only next year. Do you send to The Netherlands/EU?
Title: Re: (2) HP Agilent 53131a Frequency Counters No OCXO 10turn pots military connectors
Post by: salvagedcircuitry on December 19, 2024, 08:51:03 pm
I primarily sell to the USA, but I have sold a few items to the UK. I'd have to investigate how to sell to the Netherlands/EU.
Thanks for your interest!  :)