Electronics > Repair
Need RFL 750 Gaussmeter schematic
(1/1)
5065AGuru:
Hi, I'm working on an RFL 750 Gaussmeter. It is the early version with the battery compartment at the rear of the unit. When I power it up with AC supply selected I get no meter indication at all even when twiddling the pots on the front panel. I checked the power supply, it is a simple zener regulated supply at 19VDC and that checks good. Also checked the meter movement and it is also good. I need a schematic to figure out whats going on! Also wonder what batteries it used. There are three holders for cylindrical batteries in series and my guess that the batteries would be 6 volt units but can't what vintage battery was used.

Cheers,

Corby
stevopedia:
Unfortunately RFL seems to be a very poorly-remembered manufacturer, in spite of the high quality and specialized nature of their instruments.

Magnetic Instrumentation (https://maginst.com/) wound up with RFL's gaussmeter line at some point. The only reason I know that is because we have (had?) some 912s at work that are marked RFL, and some marked Magnetic Instrumentation. I sent them a polite email asking for documentation and they sent me a scan of the operating manual and schematics. It may have helped that I wrote from my work email address. Either way, it can't hurt to ask :)

They apparently still offer new probes for models 750A and 750D, by the way!
Navigation
Message Index
There was an error while thanking
Thanking...

Go to full version
Powered by SMFPacks Advanced Attachments Uploader Mod