About the product1. The carbon dioxide tester applies to the continuous online detection and site sound-light alarm of carbon dioxide concentration in various industrial environment and special environment, which functions as early warning for operation safety on the dangerous site. 2. Using the imported electrochemical sensor and microcontroller technologies, the instrument is featured by stable signal, high precision and good repeatability and other merits, and its explosion-proof connection mode applies to various dangerous sites. 3. It can provide 24 hours continuous real-time monitoring of indoor carbon dioxide concentration, display date, detection time, temperature and humidity data on the detection site automatically. 4. This instrument is compatible with various control alarms, PLC, DCS and other control systems, which can realize site alarm, remote monitoring and alarm function at the same time.Functions1. Sound-light alarm setting 2. Low battery indication 3. LCD backlight display 4. Temperature unit switch 5. Data and time setting 6. Support carbon dioxide gas detection 7. Maximum value, minimum value and data hold 8. Data display format: YMD or MDY switchSpecification: General Resolution 1ppm Measure Range 0-2000ppm Operating Temperature 0 ~ 50 Degree Celsius Sensor NDIR CO2 Gas Sensor Minimum Reading 1ppm Basic Error +-(50ppm+-3%) Response Time <30s Power Supply 5V Power Adapter (no battery included) Size 135mm x 91.5mm x 64.8mm Weight 156.5g Package Include Package Contents 1 x Manual 1 x Carbon Dioxide Meter 1 x Power Adapter Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 19.8cm * 12.5cm * 7cm / 7.8inch * 4.92inch * 2.76inch Qty per Carton 20 Carton Weight 8.40kgs / 18.52lb Carton Size 40cm * 35cm * 30cm / 15.75inch * 13.78inch * 11.81inch Loading Container 20GP: 634 cartons * 20 pcs = 12680 pcs 40HQ: 1473 cartons * 20 pcs = 29460 pcs