Defender 530+ Featuring a number of quality and performance enhancements over traditional flow meter technologies, the Defender 530+ offers: • Quick Start Operation User-selectable Flow Units and Time Intervals Fully Customizable Flexible Ways of Working No matter your application, the portable Defender 530+ is ready to go to work for you, because it’s a true volumetric standard based on the principle of positive displacement. The Defender 530+ provides immediate indication of the actual gas flow rate, accurately and independently of the gas type. It also includes integrated temperature sensors and pressure transducers in the flow stream, so you can compensate for standard conditions - allowing traceable verifications of mass flow devices. A versatile, push-button flow meter, the Defender 530+ is also a primary flow standard, enabling you to accurately calibrate a variety of instrumentation. Reliable - 20 years of Proven DryCal® Technology Accurate - Backed by ISO 17025; NVLAP accredited Portable - Lightweight and impact-resistant Simple - Push button testing; no user interpretation or external calculations required Defender 530+ M Medium Flow Defender 530+ H High Flow Model and Flow Ranges Volumetric Accuracy Standardized Accuracy mL/min, L/min, cc/min, cf/min mL/min, L/min, cc/min, cf/min mL/min, L/min, cc/min, cf/min smL/min, sL/min, scc/ min, scf/min smL/min, sL/min, scc/ min, scf/min smL/min, sL/min, scc/ min, scf/min User Selectable Measurement Units Temperature Pressure Mesa Labs 10 Park Place Butler, NJ USA 07405 Pressure Accuracy Temperature Accuracy Tel: +1-973-492-8400 Toll Free: 800.663.4977 Fax: 303.484.4992 www.MesaLabs.com

Defender 530+ Specifications Approximate Time per Reading: Reading Styles (with averaging function userSingle (manual), Continuous or Burst selectable from 1 to 100 measurement): Gas Compatibility: Non-corrosive, non-condensing, less than 70% humidity Flow Modes: Measurement Cell Style: Battery System: 6V rechargeable, sealed lead-acid, 6-8 hrs typical operation Battery Operational Time (5 cycles/min): Pressure and Suction Fittings: 1/4” ID Swagelok® compression fittings, 3/8” fittings on High Model 1 year; battery 6 months Storage Temperature: Ambient Humidity: Operating Pressure (Absolute):...