My Weigh OIML Class M2
20 Gram Calibration Weight
Accuracy: +/- 10 mg
|"In A Nutshell"|
|Material||Chrome plated steel|
|Tolerance||+/- 10 mg (0.01 g)|
This OIML Class M2 20 gram calibration weight has an accuracy of +/- 10 milligrams (0.01 grams). Use this calibration weight alone, or combine it with more weights to accurately calibrate your digital weighing scale.
Terrible. Grossly inaccurate being very much underweight. I purchased this weight as a extra for my portable range reloading box scale. Upon receipt I immediately checked the Cal. Weight on my my reliable scales. 20 grams equals 308.647 grains. This Cal. Weight equaled 304.1 grains. It was four and a half (4.5) grains underweight! This is totally unacceptable. How this product got out of the factory is a mystery to me. Obviously I returned it for a refund.Reviewed by: Walter K from Clinton Twp. MI on (9/9/2012)