National Voluntary Laboratory Accreditation Program (NVLAP) | Diversified After-sales Service Certification (Dec. 05, 2022 )
NIST authorize— Accredited by the National Voluntary Laboratory Accreditation Program NVLAP — Additel's calibration laboratory in California has passed the ISO/IEC 17025 inspection standard, and is a leading global supplier of measurement calibration instruments.
SJ Gauge introduces Additel's ADT680W calibrated digital manometer with USB transmission functions and improved instrument detection and maintenance efficiency. It provides up to 140,000 data records and advanced data analysis, great for project management. Our shipping quality and diversified after-sales services are backed by the NVLAP.
 National Institute of Standards and Technology of the United States
 Additel founded in California, USA, specializing in pressure calibration related industries, and its products are currently distributed in more than 100 countries around the world