Our Class 1 weights and calibration procedures are N.I.S.T. traceable. The Meteorology Laboratory of the State of Arizona certifies our weights annually and are NAVLAP accredited. Additionally, our company is an ANS/ISO/IEC Standard 17025:2005 Accredited calibration laboratory. Our ISO Registrar is the International Accreditation Service (IAS). IAS is one of only five accreditation bodies recognized by NACLA with mutual recognition arrangements with NAVLAP, A2LA, NADCAP and AIHA. Our ISO scope covers mass up to 10,000 lbs. or 100 kilograms.