The Daugherty Companies, Inc. P.O. Box 306, 534 E. 1st St. , Warren , Indiana 46792 USA About Solutions products Companies The Daugherty Companies, Inc. Products Model GAC 500XT - Moisture Testers Model GAC 500XT - Moisture Testers From Moisture Testers 0 Share The New GAC 500XT tester features the same test cell and calibrations of GAC2100 quality machines costing thousands more! Customer reviews No reviews were found for Model GAC 500XT - Moisture Testers. Be the first to review! Add your review Publish your review Great! review successfully added!