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INSCO is a company with 45 years of EXPERIENCE in process control, instrumentation, electric engineering, maintenance, installation and calibration services. We manufacture high quality CALIBRATION WEIGHTS from 1mg to 50kg in all classes from E0 to M3 in OIML, from 0 to 7 in ASTM and NIST Class F. We also manufacture custom made weights and offer weight calibration services to assure highest standards of measurement quality. We are offer CALIBRATION AND CERTIFICATION services in temperature, humidity, electronic, pressure, mechanical, flow, micropipettes and mass. We have accredited laboratories for certification and calibration services in the USA, Mexico and Puerto Rico which comply with the ISO 17025, ISO 10012, ANSI Z540 regulations and among other international regulations. Equipped with fully automatic comparators, our laboratories are known for accredited calibration services. We have EQUIPMENT for sale and a great variety of measurement instruments for rental as well as qualified equipment used for repair services.