Extech CO250 Carbon Dioxide Meter - CO2 Meter

Extech CO250

CO250: Portable Indoor Air Quality CO2 Meter
Measures Carbon Dioxide (CO2), Temperature, Humidity, Dew Point, and Wet Bulb

Features:

• 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, 4x AA batteries, and carrying case

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