Additel

Additel

Additel Corporation is a US-based manufacturer of precision calibration instruments, headquartered in Yorba Linda, California. The company produces a comprehensive range of pressure and temperature calibration equipment used in industrial metrology, process instrument calibration, and quality assurance laboratories. Additel has established itself as a recognized supplier of handheld and bench-top calibrators offering laboratory-grade accuracy across a wide range of measurement applications.

Additel's pressure calibrators span from vacuum to high-pressure ranges and include both manual and automated configurations. Their dry block calibrators and calibration baths provide stable, precise temperature references for thermocouple and RTD sensor calibration. The company also develops calibration management software for documenting and automating the calibration process in accordance with ISO 9001 and ISO/IEC 17025 requirements.

Key Product Lines

• Pressure calibrators: handheld, bench-top, and automated pressure calibration systems
• Dry block calibrators: portable and bench-top temperature references for RTD and thermocouple calibration
• Calibration baths: liquid bath temperature calibrators for high-accuracy sensor calibration
• Multifunction calibrators: combined electrical, pressure, and temperature calibration instruments
• Calibration software: automated calibration workflows and documentation management

Industries Served

Additel calibration instruments are used across oil and gas, petrochemical, pharmaceutical, food and beverage, power generation, aerospace, and general manufacturing industries where process instruments such as pressure transmitters, temperature sensors, and gauges require periodic calibration to maintain measurement traceability.