AccuMac

AccuMac, founded as AccuMac Corporation in Gilbert, Arizona and now an Additel brand, is a specialist manufacturer of high-precision temperature measurement and calibration instruments. With deep expertise in platinum resistance thermometry, the company produces a comprehensive portfolio including secondary SPRTs with ±0.001°C short-term stability, secondary reference PRTs for industrial calibration, full immersion PRTs for dry block and liquid bath validation, and precision industrial PRTs covering a temperature range from −200°C to 670°C. The product line extends to Type S thermocouple standards for noble metal thermocouple calibration up to 1300°C, and handheld precision thermometers with dual-channel capability and USB data storage. ISO 17025 accredited calibration certificates accompany all standards-grade devices. AccuMac serves calibration laboratories, pharmaceutical and life science metrology, semiconductor thermal validation, aerospace, and industrial process calibration. Our website carries a range of AccuMac precision temperature measurement products for metrology and calibration applications.