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GMB · 25th Nov 2022, 11:44 am

I think the No.1 would be best served by high impedance phones, otherwise it looks like the meter readings would be affected.

Check you are getting enough voltage from the PSU.
You did do the tube voltage setup procedure?

25th Nov 2022, 11:44 am	#18
GMB Dekatron Join Date: Aug 2003 Location: near Reading (and sometimes Torquay) Posts: 3,101	Re: Contamination Meter No. 1 no reading I think the No.1 would be best served by high impedance phones, otherwise it looks like the meter readings would be affected. Check you are getting enough voltage from the PSU. You did do the tube voltage setup procedure?