Hi Trem, You wrote:
> Most of the Hanna TDS instruments have ranges of 0-999 PPM or > 0-1999 with 2% accuracy of full scale. That means the unit can be off by > as much as 20 or 40 PPM at the low OR high end of the range or at any > reading. How can it be off 20 or 40 PPM at a reading of 1PPM ? Or even 10 PPM? I think the accuracy statement means 2% @ full scale, not OF full scale. My PWT accuracy statement says +/- 2% Full Scale. Al D. -- The Silver List is a moderated forum for discussing Colloidal Silver. Instructions for unsubscribing are posted at: http://silverlist.org To post, address your message to: [email protected] Silver List archive: http://escribe.com/health/thesilverlist/index.html Address Off-Topic messages to: [email protected] OT Archive: http://escribe.com/health/silverofftopiclist/index.html List maintainer: Mike Devour <[email protected]>
