800046 เครื่องวัดก๊าซคาร์บอนไดออกไซด์
Carbon Dioxide Indoor Air Sper Indoor Air Quality Monitor
Poor air quality
Poor air quality may cause tiredness, inability to concentrate, and even illness (ie Sick Building Syndrome). This instrument is ideal for monitoring indoor air quality in crowded public spaces with potentially high levels of CO2 (carbon dioxide) such as offices, factories, classrooms, hospitals and hotels. The same measurement parameters can also be used to test air from HVAC equipment. Backlit simultaneous display of CO2 level, humidly and air temperature or the user may choose a rotating display of dew point and wet bulb temperature instead of air temperature.
Features
Carbon dioxide
Humidity
Dew Point
Air Temperature
Wet Bulb Temperature
This unit also calculates TWA(time weighted average) and STEL (short term exposure limit). Simple user calibration of CO2 and RH. It features audible CO2 threshold alarms, min/max/ave, hold and an RS232 computer interface. The NDIR technology ensures long term accuracy, stability and reliability. Each unit includes a hard carrying case with 4AA batteries.
Specifications
Carbon Dioxide Sensor
Measuring Range 0 to 5,000 ppm
Resolution 1 ppm
Accuracy ±30 ppm, ± 5% of reading
Relative Humidity Sensor
Measuring Range 0 to 100% RH
Resolution 0.1
Accuracy at +25°C ±3% (10-90%)
±5% otherwise
Temperature Sensor
Measuring Range -10 - 60°C
14-140°F
Resolution 0.1
Accuracy 0.6°C
0.9°F
Dew Point
Measuring Range -13.3-60°C
8-140°F
Resolution 0.1
Wet Bulb
Measuring Range -73.4 - 60°C
-100 - 140°F
Resolution 0.1