Vintage Continutity Tester? Buzzer CP. 103975 - 55 Ohm - UK Vintage Radio Repair and Restoration Discussion Forum

ScottBouch · 21st Sep 2023, 8:58 am

Hi all,

I have an old buzzer available. I have the gut feeling it may be from an analogue multimeter, for the continuity test function.

Marked:
CP. 103975
55 Ohm

I don't know what voltage its designed for, but I have tested this on a 9V battery, it does rumble, but needs the adjustment screw adjusting to make it "sing" at 9V. I have not messed with the adjustment as it may well be intended for a different voltage, hoping a buyer knows better than me!

I always had ideas of making a nice wooden boxed continuity tester with it, but I have to rationalise my projects! I've had this project in mind for about 20 years and not made it, so its time for someone else to use it!

Asking £4.75 including UK postage, by PayPal. Please PM for details.

Cheers, Scott

21st Sep 2023, 8:58 am	#1
ScottBouch Heptode Join Date: Feb 2013 Location: Leicestershire, UK. Posts: 877	Vintage Continutity Tester? Buzzer CP. 103975 - 55 Ohm Hi all, I have an old buzzer available. I have the gut feeling it may be from an analogue multimeter, for the continuity test function. Marked: CP. 103975 55 Ohm I don't know what voltage its designed for, but I have tested this on a 9V battery, it does rumble, but needs the adjustment screw adjusting to make it "sing" at 9V. I have not messed with the adjustment as it may well be intended for a different voltage, hoping a buyer knows better than me! I always had ideas of making a nice wooden boxed continuity tester with it, but I have to rationalise my projects! I've had this project in mind for about 20 years and not made it, so its time for someone else to use it! Asking £4.75 including UK postage, by PayPal. Please PM for details. Cheers, Scott Attached Thumbnails __________________ www.scottbouch.com