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Reed Instruments SD-9901 SD 9901 CO CO2 RH Humidity IAQ Indoor Air Quality Meter
Reed Instruments SD-9901 CO CO2 RH Humidity IAQ Indoor Air Quality Meter
Product Resources


  Reed SD-9901 Datasheet Reed SD-9901 Datasheet
  Reed SD-9901 Users Manual Reed SD-9901 Users Manual

Reed Instruments SD-9901 RH Humidity CO CO2 IAQ Indoor Air Quality Meter

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Reed Instruments SD-9901 SD 9901 CO CO2 RH Humidity IAQ Indoor Air Quality Meter

The Reed SD-9901 IAQ Indoor Air Quality Meter features data logging capabilities and measures CO, CO2, temperature and humidity.

Reed SD-9901 Features
  • Measure O2, CO, CO2, temperature and humidity
  • Infrared Non dispersive CO2 sensor
  • O2 and CO galvanic cell sensors
  • Humidity precision capacitance sensor
  • Probes Included
    • Humidity
    • CO
    • CO2
    • O2
  • Hard carry case
  • Record readings simultaneously with 3 probes
  • Audible set point alarm
  • Measure temperature in °F or °C
  • Backlit LCD
  • Data hold
  • Max - Min record
  • Data logging in real time
  • OPTIONAL - SD memory card  2GB
  • Simply plug your SD card into your PC and download directly into EXCEL
  •  RS232 and USB PC interface
  • Automatic or manual power down  

SD-9901 Specifications
Range - CO2 0 - 4,000 parts per million
Resolution 1 parts per million
Accuracy +/-40 parts per million (<1,000 parts per million), +/-5 percent (>1,000 parts per million
Range - CO 0 - 1,000 parts per million
Resolution 1 parts per million
Accuracy +/-(5 percent + 2 parts per million)
O2 Range 0 to 30 percent O2
Resolution 0.1 percent O2
Accuracy +/-(1 percent + 0.2 percent O2)
Alarm Threshold < 18.0 percent O2
Humidity Range 5 to 95 percent Relative Humidity
Resolution 0.1percent Relative Humidity
Accuracy >70 percentRelative Humidity: +/-(3 percent rdg + 1 percentRelative Humidity); <70 percent Relative Humidity); Relative Humidity: +/-3 percentRelative Humidity
Temp. Range (32 - 122.0 degrees F) 0 - 50 degrees C
Resolution 0.1 degrees C/ degrees F
Accuracy +/- 0.8 degrees C (+/-1.5 degrees F)
Dew Point Temperature Range -25.3 - 48.9 degrees C (-13.5 - 120.1 degrees F)
Wet Bulb Temperature Range -21.6 - 50 degrees C (-6.9 - 122.1 degrees F)
Power Batteries - UM3 - AA (1.5 Volt) x 6
177 x 68 x 45millimeters; Relative Humidity Probe: 197 millimeters L
CO and O2 Probe: 150 x 38 x 38millimeters; CO2 Probe: 190 x 38 x 28 millimeters
Weight 350 grams

Choose Options and Quantity
Accessories SD Memory Card 2GB SD-2GB [+$28.00]
USB Cable USB-01 [+$59.00]
RS232 Cable UPCB-01 [+$19.00]
Data Acquisition Software SW-U801-WIN [+$69.00]
Accredited Calibration Certificate CERTIMTF4
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