Additel 773 - Pressure Controller / Generator

• Wide pressure range: From –380 inH₂O (–0.95 bar) to 400 inH₂O (1 bar) with optional modules up to higher ranges.
• Ultra-fast control: Achieves a 20% pressure step within 10 seconds with a control stability of ≤±0.003%FS.
• Modular design: Quick-change pressure modules minimize downtime and simplify maintenance.
• Integrated low-pressure pump: Provides a complete turnkey solution for pressure calibration without external pumps.
• Contamination Prevention System (CPS): Protects valves and lines during calibration, prolonging equipment life.
• External valve control: Operates up to 3 external valves for contamination prevention, vacuum, or isolation control.
• 7” color touchscreen: Intuitive operation with multiple automatic test functions (pressure switch test, leak test, PSV test, and more).
• High accuracy and stability: Up to 0.02%FS accuracy with 0.003%FS control stability.

The Additel 773 series is a state-of-the-art modular pressure controller and generator designed for professionals who demand precision, speed, and flexibility in automated pressure testing and calibration. Ideal for laboratory, production, and automated calibration environments, the ADT773 combines Additel’s industry-leading low-pressure pump technology with next-generation control capabilities — setting new standards in accuracy and stability for low-pressure applications.

With its modular design, the 773 can be configured with up to two controlling modules and one reference barometric module, allowing users to cover a wide range of pressure applications with minimal downtime. The easy-swap module system lets you replace or install Additel 151 control modules in under 30 seconds — making calibration work faster, safer, and more efficient.

Quality & Reliability

Engineered with Additel’s renowned reliability and precision, the 773 series ensures long-term performance and minimal maintenance. Its modular structure and contamination prevention system deliver superior durability and reduced service intervals, while Additel’s robust design guarantees accuracy and consistency across all testing environments. Backed by over two decades of metrology innovation, the Additel 773 provides unmatched value for calibration professionals worldwide.