Walmeck Carbon Dioxide with Rechargeable Battery Portable CO2 Meter Tester for Carbon Dioxide Air Quality CO2 Meter Monitor with Storage Case

The carbon dioxide detects the carbon dioxide of the onsite environment through absorption principle of infrared sources. The product has the characteristics of humidity tendency chart 999 groups of data record 3.2 TFT full color display setting data record of time interval measurement real-time date and time chargeable lithium battery etc. Features: The application field of carbon dioxide is public site agriculture animal husbandry industry and more. With professional grade detection technology this CO2 meter has stable performance and high accuracy. 3.2-inch TFT full color display date time CO2 humidity (℃/℉ switchable) and other data clearly. Real time CO2 monitoring by the high sensor and it will you once the CO2 is exceed the setting value. Can store up to 999 groups of data and has a chart of historical data trend for you to review. Compact size with a portable storage easy to operate and to carry around. Rechargeable lithium battery is included or can be powered up through 5V USB cable. Specifications: Material: ABS Input: (USB) 5V 2A Measuring : 0~9999PPM Resolution: 1PPM Accuracy: ±40PPM±rdg10% Measurement : -20~60℃(-4~140℉) Measurement Accuracy: ±1℃(±2℉) Resolution: 0.01℃/℉ Humidity Measurement : 0~RH Humidity Measurement Accuracy: ±2%RH (20~80%RH) Humidity Resolution: 0.01%RH Working : -10~60℃(-14~140℉) Working Humidity : 0~99%RH Storage : -40~80℃(-40~176℉) Working Current: 100~300mA Charging Time: 3 hours Power Supply: 1 * 3.7V 2200mAh 18650 rechargeable li-ion battery or powered by 5V USB cable Record Groups: 999 groups Screen Size: 65 * 48mm / 2.56 * 1.89in Storage Box Size: 252 * 206 * 70mm / 9.92 * 8.11 * 2.76in Item Size: 140 * 134 * 33mm / 5.51 * 5.28 * 1.30in Item Weight: 301g / 10.62oz Package Weight: 871g / 30.73oz Package Size: 26.5 * 21.7 * 7.2cm / 10.43 * 8.54 * 2.83in Package List: 1 * 1 * USB Cable 1 * Stand 1 * Storage Box 1 * Manual (English)