DR-650 series portable single Gas Detector (hereinafter referred to as the equipment) is a portable gas detection and alarm instrument that can continuously detect the gas concentration in the workplace environment. The equipment uses natural diffusion to detect the surrounding ambient gas, which has the following characteristics:
• Good imported gas sensor, with excellent sensitivity and good repeatability;
• Embedded microcomputer control, simple operation, complete functions and high reliability;
• Graphic LCD display, Chinese menu, intuitive and clear;
• Built-in sound, light and vibration alarm, high-low alarm value can be adjusted;
• Alarm information and alarm concentration can be recorded;
• The shell is made of high-strength engineering plastics, with high strength and good hand feel.
The design, manufacture and inspection of this product comply with the following national standards:
GB 12358-2006 "General Technical Requirements for Ambient Gas Detection and Alarm Instruments in Workplaces";
GB 15322.3-2003 Combustible Gas Detectors – Part 3: Portable combustible Gas Detectors.






