Introduction
The document introduces the ERD620, a new compact valves tester by ATEQ, designed to enhance quality control in flow and leak detection. It highlights the tester's advanced features and capabilities, emphasizing its role in generating pressure ramps to detect valve operations.

Specifications
The ERD620 features a wide flow measurement range, supporting both direct and indirect testing. It offers 128 programmable settings and an electronic regulator capable of handling pressures from vacuum to 10 bar. The device supports multiple units of measurement and can operate under standard or customized conditions.

Technical Specifications
The tester weighs 8 kg and measures 250x150x360 mm. It includes a graphic color screen with intuitive controls and a SMARTKEY for user-defined functions. The device requires a clean and dry air supply, adhering to ISO 8573-1 standards, and operates within a temperature range of +5°C to +45°C.

Communication and Data Storage
The ERD620 supports various communication formats, including RS232, USB, and optional Fieldbus protocols like Profibus and Ethernet/IP. Data can be stored internally or on a USB key, with a memory capacity for 400,000 results.

Accessories and Options
Available accessories include remote controls (TLC 60 and TLC 600), a USB key for parameter access, and various testing components like leak calibrators and sealing connectors. The device also offers options for external automation and additional pneumatic outputs.

Flow Measurement
The flow measurement range spans from 5 to 1,500 l/h, with accuracy defined as 2.5% of full scale plus a constant. The maximum resolution varies from 0.0001 to 0.1 l/h, depending on the range.

Conclusion
The ERD620 is a versatile and advanced tool for flow and leak detection, offering robust performance and flexible integration options for various industrial applications.