Bert Kehren via time-nuts kirjoitti:
Did buy a HP53132a counter mainly to use with the RS 232 for high
resolution and to have a backup for my very favorite 5345a with 40 GHz head. Sadly
the very clean unit has a very weak display to the extend that an 8 looks
like a 9. Have the option for a
Hi Bert,
Disconnect filament from PCB (one end is enough) and connect to regulated DC
Power supply. Adjust voltage to 8V and current to 0.3-0.4A. In a dark room
should see very small red light. Slowly increase little bit voltage until color
goes to orange-yellow. Important - do not move display
, 2016 1:14 PM
To: time-nuts@febo.com
Subject: [time-nuts] HP 53132A Display
Did buy a HP53132a counter mainly to use with the RS 232 for high resolution
and to have a backup for my very favorite 5345a with 40 GHz head. Sadly the
very clean unit has a very weak display to the extend that an 8
Did buy a HP53132a counter mainly to use with the RS 232 for high
resolution and to have a backup for my very favorite 5345a with 40 GHz head.
Sadly
the very clean unit has a very weak display to the extend that an 8 looks
like a 9. Have the option for a full refund but would like to explore
