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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

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Old 15th Jul 2020, 5:59 pm   #21
kalee20
Dekatron
 
Join Date: Feb 2007
Location: Lynton, N. Devon, UK.
Posts: 7,088
Default Re: What is it ? [elapsed time indicator]

Farnell used to sell them. But I never bought any.

Disadvantages: Not RoHS compliant, due to mercury content. Can't be reset to zero quickly.

Advantages: Low power. Zero RFI.

I'd use one if I had one!
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Old 15th Jul 2020, 8:42 pm   #22
factory
Octode
 
Join Date: Jul 2009
Location: Cheshire, UK.
Posts: 1,740
Default Re: What is it ? [elapsed time indicator]

There is one soldered directly to the motherboard in my HP 2402A voltmeter.
Click image for larger version

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ID:	211101Click image for larger version

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David
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