[volt-nuts] Thermistor value for 732A Reference 10V Standard

[Mitch Van Ochten]

I think monitoring the 1V or 1.1V is a better test over temperature than 
monitoring the 10V.  It's quite stable even without the heater.


----- Original Message ----- 
From: "Rob Klein" <rob.klein at smalldesign.nl>
To: "Discussion of precise voltage measurement" <volt-nuts at febo.com>
Sent: Friday, June 29, 2012 6:29 AM
Subject: Re: [volt-nuts] Thermistor value for 732A Reference 10V Standard


Op 29-6-2012 6:34, Tom Leedy schreef:
> Has anyone actually measured the internal temperature of the oven (in 
> degrees
> C)?  Since the operating temperature of the 732A is spec'd at 40 C, I 
> suspect
> that it is about 45-50 C, or so.

According to the manual it's 48 ± 2°C

> And I also suspect that temperature stability
> of the oven is more important than absolute accuracy.

You'd be correct :-)
>
> I didn't expect the large outpouring of knowledge!

*Nobody* expects the large outpouring of knowledge! (with apologies to
M. Python)


Rob.

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