Spec

• Measurement Item: CO2 Temperature Humidity
• Measurement range: 400~6000ppm -20~50°C 1~99%RH No dew condensation
• Resolution: 1ppm, 0.1°C, 1%RH
• Accuracy: ±50ppm+5%of ±1.5°C 1%~80%RH±5%RH reading, Other ±10%RH (400~5000ppm)
• LED Alarm (CO2): Green (400~1000ppm), Yellow (1000~ 2000ppm), Red (2000ppm~)
• Buzzer alarm (CO2): None (400~1000ppm), 1 time/every 2 seconds (1000~2000ppm), 2 times/every 1 seconds (2000ppm~)
• CO2 sensor type: Non-dispersive infrared (NDIR) gas sensor
• Data update: within 1s
• Power: Lithium ion battery (built-in) 2000mAh
• Charging port: USB TypeC (for DC5V1A)
• Operating time: 8 hours (with built-in battery), 4 hours charging time
• Operating environment: -10~50°C, 85%RH or less (no condensation)
• Storage Environment: -20~60°C, 90%RH or Less (No Condensation)
• Size and weight: W91.8 x D36 x H97.8mm, approx. 198 g
• Set: USB charging cable 1 m (USB TypeC-USB A), Owner's Manual (Warranty)
• The temperature measurement display of the body indicates -20~50°C, but the operating environment including other parts is -10~50°C.
• The length of the USB charging cable is 1 m including the connector.
• < Correction Function >
• Automatic calibration procedure 1. Turn ON the power and leave it outdoors for 20 minutes.
• 2."Up Arrow ▲, Down Arrow" on the back ▼ Press and hold the buttons simultaneously for at least three seconds to hear the "Dee Dee Dee ・・・" sound.
• 3.The automatic calibration mode is activated and the monitor continuously displays for 150 seconds. Please do not operate the product at that time.
• 4.The countdown starts from the display of 150 on the monitor, and returns to the previous display when the countdown is completed.