Reed R9900 Air Quality Meter New

Reed R9900 Air Quality Meter New
Manufacturer: Reed
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New Reed R9900 Air Quality Meter


Reed R9900 Air Quality Meter New

  Simultaneously monitors carbon dioxide (CO2),relative humidity & temperature. No need for three separate meters. The Reed R9900 combines all three in a easy and low cost option for the first time.


  • Dew point and wet bulb temperatures can also be displayed
  • Instantaneous readings are displayed on a high resolution LCD with backlight
  • Displays STEL readings (Short-term exposure limit) over a 15-minute period and TWA readings (Time-weighted average) over a period of 8 hours
  • Hold function freezes displayed reading
  • Maximum, minimum and average functions
  • Low drift, non-dispersive infrared CO2 sensor
  • Audible warning alarm of excessive CO2 concentrations
  • RS-232 serial interface
  • Ranges: CO2: 0 to 5,000 ppm; Temp.: -10 to 60°C (14 to 140°F); Humidity: 0 to 99.9% RH; Dew Point: -73.4 to 60°C;
  • Wet Bulb: -13.3 to 60°C
  • Resolution: CO2: 1 ppm; Temp.: 0.1°C/°F; Humidity: 0.1% RH
  • Accuracy: CO2: ±5% rdg. ±50 ppm; Temp.: ±0.6°C (±0.9°F);
  • Humidity: ±3% RH @ 25°C (10 to 90% RH) ±5% RH <10% & >90%
  • Sensors: CO2: Non-Dispersive Infrared (NDIR); Humidity: Rotronic capacitor
  • Response Time: 30 seconds
  • Alarms: Audible: 80dB
  • Power Supply: 4 x "AA" alkaline batteries
  • Battery Life: 24 hours