Andrew Posted March 18, 2008 Share Posted March 18, 2008 We just got in a set of H-B Instrument proof hydrometers I'd ordered a while ago from Thomas Scientific. They all come with certificates of calibration, but with one exception, none are dated. The dated one was calibrated in 2004! This suggests that Thomas Scientific doesn't have much turnover of alcohol hydrometers. It also brings to mind the question: should I send the package off for calibration even though they're new and certified calibrated? 4 years is a long time in a warehouse. Link to comment Share on other sites More sharing options...
Rich Morgan Posted March 19, 2008 Share Posted March 19, 2008 We just got in a set of H-B Instrument proof hydrometers I'd ordered a while ago from Thomas Scientific. They all come with certificates of calibration, but with one exception, none are dated. The dated one was calibrated in 2004!This suggests that Thomas Scientific doesn't have much turnover of alcohol hydrometers. It also brings to mind the question: should I send the package off for calibration even though they're new and certified calibrated? 4 years is a long time in a warehouse. I am not sure on the exact US regulations, but the British, EU and ISO standards dictate that hydros must be re-calibrated every 12 months. I would have them re-calibrate now, as you will never know for sure otherwise. Always get them re-calibrated as a set. Another tip. But a lower cost set of 'working' hydro's and 2 point calibrate them yourself from your Thomas masters, as, hydros have a nasty habit of hitting the distillery floor too often. I would rather drop a $20 hydro than a $200 master. Link to comment Share on other sites More sharing options...
delaware_phoenix Posted March 20, 2008 Share Posted March 20, 2008 I got my hydrometers from Nova-tech. Large selection across a range of proofs, as well as ones for brix, baume, etc. Link to comment Share on other sites More sharing options...
Robert Cassell Posted October 6, 2008 Share Posted October 6, 2008 My TTB agent requires me to do mine every 12 months with a 3 point calibration. Same with the thermometers. Link to comment Share on other sites More sharing options...
High West Posted May 7, 2010 Share Posted May 7, 2010 Where is the cheapest place to get hydrometers re-calibrated? Calibration Solutions here charges $125 for a 3 point. Thanks! Link to comment Share on other sites More sharing options...
delaware_phoenix Posted May 8, 2010 Share Posted May 8, 2010 That's a standard price. Link to comment Share on other sites More sharing options...
sailorman9 Posted June 16, 2010 Share Posted June 16, 2010 I got my hydrometers from Nova-tech. Large selection across a range of proofs, as well as ones for brix, baume, etc. Does your TTB agent require you to calibrate? Link to comment Share on other sites More sharing options...
delaware_phoenix Posted June 18, 2010 Share Posted June 18, 2010 The one's I use for proofing for bottling are calibrated. Link to comment Share on other sites More sharing options...
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