Send your Ames tester in for calibration services for Ames and DoAll Portable Hardness Testers. We recommend you have your amess tester calibrated once per year to maintain accuracy. Check the calibration sticker on the back of your tester for the next calibration date.
If your serial number is older than 12000 please contact us prior to sending your tester for calibration.
Request Calibration Service for your Ames Portable Hardness Tester: