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409, 41x, 42x, 44x, 48x -
14x, 18x, 1801 Nanovoltmeters
15x, 18x Null Detectors/Microvoltmeters
I've got a 182 voltmeter in which the display goes blank after a few minutes. It's losing the +60V to the display, it goes to 0V. Here are some notes:
- the +5V to the +60V VFD supply looks good even when the I lose the +60V.
- a power supply put in place of VR500 (an 8.2V zener diode) which doesn't help,
- if the display is disconnected, the +60V still stops working.
Without a schematic, I would have to guess that the +60V VFD supply is the next thing to try replacing. It is labelled: ERG Inc. E705-E1368VF. Is it possible to get one of these? Does anyone have any other suggestions on what to check?
- Keithley Applications
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There are no obsolete parts left in stock.
The Model 2182A replaces the Mode 182.
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