Check the listing for details. Portable Carbon Dioxide Data Logger Temperature Humidity High Resolution 1ppm. Condition: New. Listed at 400.09 USD. Portable Carbon Dioxide Data Logger Temperature Humidity High Resolution 1ppm 1.1. Instroduction CO2 temperature humidity data logger adopts British import CO2 sensor and Switzerland import temperature humidity sensor with high measurement accuracy. Built-in switch key, low power consumption, and it has USB communication interface, convenient to download the data. It is widely used in agriculture, science and research production, chemical and medical industry, HVAC, paper making, environmental protection, archives, laboratory, museum, electricity, tobacco etc. 1.2. Technical Specifications Model CO2TemperatureHumidityMeasuring range0~5000PPM-20~+70℃0~100%RHMeasuring accuracy≤3%F.S±0.5℃±5%RHResolution1PPM0.1℃0.1%RHRefresh interval10 to 240 seconds adjustableRecord interval2 seconds to 24 hoursRecord volume43,000Sensor typeBritish import CO2 sensor, Switzerland import temperature humidity sensorBattery3.6V lithium battery *2Communicate interfaceUSBDimension108.6mm * 90.8mm * 35.8mmLCD size52mm *31mmWeight180gStandard AccessoriesBattery, user manual, analysis software,USB cable Product structure 1.3. Features 1. Follow-up data record of carbon dioxide with long recording time( 0 minutes record the data one time can record 300 days). 2. Low power consumption and suitable for long-term monitoring. 3. Adopt imported CO2 sensor, measurement more accurate. 4. Measuring the temperature an humidity value simultaneously. 5. Powerful and easy to operate software. 6. Small size with attractive appearance, easy to operate with reliable performance.