Extech | CO250

IAQ controller, CO2, humidity, temperature

Reference : EXTCO250
Purchase Order Reference : CO250
Brand : Extech
Mesure et enregistre le CO2, la température, l'humidité.
Point de rosée et bulbe humide.
Gammes de mesure:
CO2: 0-5000 ppm.
Température: -10 - +60°C.
Humidité: 0 - 99.9%.
Alarme audible programmable.
Interface RS-232 pour transfert sur PC.
Logiciel d'acquisition fournis.
Bouteilles de calibration en humidité, 33% et 75%HR en option.
En Stock
Quick quote for this product
Quick quote for this product

Extech CO250

Portable Indoor Air Quality CO2 Meter/Datalogger

Measures Carbon Dioxide (CO2). Temperature. Humidity. Dew Point. and Wet Bulb


  • Checks for Carbon Dioxide (CO2) concentrations
  • Calculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit)
  • Maintenance free NDIR (non-dispersive infrared) CO2 sensor
  • Measurement ranges:
CO2: 0 to 5.000ppm
Temperature: -14 to 140°F (-10 to 60°C)
Humidity: 0.0 to 99.9%
  • User programmable audible alarm
  • Backlit triple LCD display
  • Built-in RS-232 interface for capturing readings on PC
  • Data acquisition software and cable included to record and document CO2. Humidity and Temperature data
  • Optional 33% and 75% RH calibration bottles
  • Complete with software and cable. 4 AA batteries. and carrying case


  • Check air quality in schools. office buildings. greenhouses. hospitals and anywhere that high levels of carbon dioxide are generated


Carbon Dioxide (CO2)              0 to 5.000ppm
Resolution                              1ppm
Temperature                           14 to 140°F (-10 to 60°C)
Resolution                              0.1°F/°C
Humidity                                 0.0 to 99.9%
Resolution                              0.1%
Wet Bulb and Dew Point          Calculated
Dimensions                            7.9x2.8x2.2" (200 x 70 x 57mm)
Weight                                   6.7oz (190g)
Product Details
41-Standard Manufacturer Warranty 1 YEAR
471-Functions Temperature | Relative humidity | Carbon dioxide | Dew Point | Wet bulb
474-CO2 & CO range (ppm) CO2: 0-5000 ppm
201-Temperature range (°C) -10 - +60 °C
472-Humidity range (RH) 0 - 99.9 % RH
476-Accuracy nc
643-Resolution (ppm) 1 ppm
644-Resolution (%RH) 0.1% RH
637-Supply type Batteries (non-rechargeable)
132-Package includes Logiciel+câble, 4 piles AA, sacoche de transport
35-Dimension (HxWxD) (mm) 200x70x57 mm
13-Net Weight 190 g
633-Autonomy (years) nc
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