Products > Test Equipment

Cheap, not Chinese, Voltage reference for DIY meter calibration

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dazz1:

--- Quote from: schmitt trigger on July 05, 2024, 05:26:49 pm ---With respect to the 68F label, it means the unit was calibrated at that temperature, meaning 20C.

--- End quote ---

Please excuse my poor attempt at sarcasm.

jrharley:
For what it's worth, I have found the LB02A to be fantastic!
Wouldn't call it a true standard, but it's incredibly capable and easy to use. - JRH

dazz1:

--- Quote from: jrharley on July 06, 2024, 04:57:05 pm ---For what it's worth, I have found the LB02A to be fantastic!
Wouldn't call it a true standard, but it's incredibly capable and easy to use. - JRH

--- End quote ---

I am looking at this as the complimentary opposite to a bench top multi-meter.  Where a multi-meter measures A,V, Ohms and sometime other things, the LB02A generates these.  I could see this being useful for prototype development. 
At a pinch, it could be used as a basic transfer standard, but not in a certified calibrated way.

I don't see the LB02A as a voltage standard like I don't see a voltage standard being a process calibrator. 

tonyalbus:
Here the LB02A , SG003A, SG004A and DMMcheckplus rev.6 and rev.8  side by side.


KungFuJosh:
I recently got Doug's VREF10-001 r9 and it's 10V which is more standard for a voltage ref, and it's higher accuracy than the DMMCheckPlus. I'd only get the latter if you need the LCR references v8 includes.

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