Multimeter Reference Check #2 - Calibration oven / cooler and current reference

2,926 views · Published 15 May 2012 · 25:13 · Indexed 24 September 2026

Channel: mjlorton · 2012 · Science & Technology

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I work on a calibration "oven / cooler" to test the stability of electronic components for the digital multimeter reference check. I also test a current reference. 
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Equipment used in this video:

* multi turn trim potentiometers
* precision resistors
* Brymen TBM 867 / BM 867
* Agilent U1272A
* Metrix MTX3282
* LED down lighter
* Halogen down lighter
* electric 12 volt cooler box
* digital thermometer
* 19 degrees Celsius below ambient temperature

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