HT-2000 Portable 9999ppm CO2 Meter Monitor Detector Gas Analyzer, Free Shipping

Features:Supper large LCD simultaneously display and log Carbon Dioxide Level, Temperature, Relative Humidity, Calendar (Y/M/D) and Time (Clock).12700 data logging memory.Warning CARBON DIOXIDE LEVEL!Stable NDIR sensor for Carbon Dioxide concentration.NDIR (Non-Dispersive Infrared) WAVEGUIDE TECHNOLOGY WITH ABC (Automatic back-ground Calibration).High and low threshold setting.Back-light function.Recall Max and Min reading.Long time drift compensation.Comes with power adapter.Specification:Large LCE Display: 3.5” (8.9cm) LCD display with backlightLogger Mode: Key stat/stop, Immediately, Schedule, Real-time & Roll-overCarbon Dioxide Range: 0~9999(out of scale)Accuracy: ±50ppm ±5%rdg (0~2000)Response Time: 10secTemperature Range: -10.0~70.0℃(14~158℉)Resolution: 0.1℃/℉Accuracy: ±0.6℃/±0.9℉ (0~50℃/32~122℉), others±1.2℃Humidity Range: 0.1~99.9%Resolution: 0.1%Accuracy: ±3% (10~90%)Logging Memory: 40000Operating Condition: 0~50C, 0~95%RHStorage Condition: -20~60C, 0~99%RHSensor Life: 15 years in normal conmEnvironments with ABC onStorage Temp: -40~70C (-40~158F)Power Supply: Batteries or AC AdapterPackage Included:1 x Carbon Dioxide Meter1 x USB Cable1 x Charge Adapter (AC 100~240V 50/60Hz)1 x Small CD1 x English User Manual