SKU: 55339930157

Reed Indoor Air Quality Meter R9910SD

Sale price$483.98 Regular price$537.75
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Reed Indoor Air Quality Meter R9910SDThe Reed R9910SD Indoor Air Quality Meter monitors up to three probes all at once, offering precise recordings with convenient features such as Data hold, Max Min, and a backlit LCD display. Records can be manually recorded up to 99 readings or set to a desired sampling rate from 1 sec to 8 hourswithout the need for software. The optional AC adapter and tripod allow for continuous long term monitoring. Features Measures oxygen (O2), carbon dioxide

The Reed R9910SD Indoor Air Quality Meter monitors up to three probes all at once, offering precise recordings with convenient features such as Data hold, Max/Min, and a backlit LCD display. Records can be manually recorded up to 99 readings or set to a desired sampling rate from 1 sec to 8 hours—without the need for software. The optional AC adapter and tripod allow for continuous long-term monitoring.

Features
  • Measures oxygen (O2), carbon dioxide (CO2), carbon monoxide (CO), temperature and humidity
  • Records up to 3 readings simultaneously
  • User adjustable audible alarms
  • User selectable unit of measure (°C or °F)
  • Data hold and Max/Min functions
  • Real-time data logger with integrated SD memory card
  • User selectable sampling rate from 2 secs to 8 hrs
  • Easy-to-read backlit LCD display
  • Tripod mount for long-term monitoring
  • Low battery indicator and auto shut off
Specifications

 

Temperature
Measuring Ranges 32 to 122.0°F (0 to 50.0°C)
Dew Point: -13.5 to 120.1°F (-25.3 to 48.9°C)
Wet Bulb: -6.9 to 122.0°F (-21.6 to 50°C)
Accuracy ±1.5°F (±0.8°C)
Resolution 0.1°F/°C
Humidity
Measuring Ranges 5 to 95%RH
Accuracy >70%RH: ±(3% rdg + 1%RH)
<70%RH: ±3%RH
Resolution 0.1%RH
CO2
Measuring Ranges 0 to 4,000 ppm
Accuracy <999 ppm: ±40 ppm
>1,000 ppm ≤3000 ppm: ±5% rdg
>3,000 ppm: ±250 ppm
Resolution 1 ppm
CO
Measuring Ranges 0 to 1,000 ppm
Accuracy ±(5% + 2 ppm)
Resolution 1 ppm
O2
Measuring Ranges 0 to 30% O2
Accuracy ±(1% + 0.2% O2)
Resolution 0.10%
General Specifications
Alarm Threshold <18% O2
Response Time 1 second
Display 4-digit dual LCD
Backlit Display Yes
Data Hold Yes
Min Yes
Max Yes
Datalogging Capabilities Yes
Real-Time Clock and Date Stamp Yes
Selectable Sampling Rate Yes (1 second to 8 hours, 59 minutes and 59 seconds)
External Memory Yes, expandable up to 16GB with SD card (optional)
Auto Shut-off Yes (after 10 minutes/off)
Kick Stand Yes
Tripod Mountable Yes
Low Battery Indicator Yes
Power Supply 6 x AA Batteries or AC Adapter (optional)
Data Output Yes (RS-232)
Product Certifications CE
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10 to 85%
Dimensions Instrument: 7.0 x 2.7 x 1.8" (177 x 68 x 45mm)
Humidity Probe Length: 7.8" (197mm)
CO Probe Length: 5.9" (150mm)
CO2 Probe Length: 7.5" (190mm)
O2 Probe Length: 5.9" (150mm)
Weight 0.8lb (350g)

 

    Applications
    Environmental Monitoring in:
    • Schools
    • Office buildings
    • Greenhouses
    • Factories
    • Hotels
    • Hospitals
    • Areas where high levels of carbon dioxide are generated
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 55339930157

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    Gloria M.
    Grantham, US
    ★★★★★ 5
    Worth every penny.
    Size: 1 Count (Pack of 1)
    Value for money and always works. Will buy again and again.
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    Reviewed in the United States on January 27, 2026
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    C.Rivera
    Charlottesville, US
    ★★★★★ 5
    Kind of expensive for only 1 cartridge
    Size: 1 Count (Pack of 1)
    Great product!
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    Reviewed in the United States on September 23, 2025
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    Jim Kuzma
    New York, US
    ★★★★★ 5
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    Size: 1 Count (Pack of 1)
    This is a great product.
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    Reviewed in the United States on January 23, 2022
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    Amazon Customer
    Charlottesville, US
    ★★★★★ 4
    Runs out quick
    Size: 1 Count (Pack of 1)
    I really like this ink however; they do run out quite fast. They print very nice colors.
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    Reviewed in the United States on June 2, 2026
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    Daryl Hockaday
    San Leandro, US
    ★★★★★ 5
    Does what it's supposed to do!
    Size: 1 Count (Pack of 1)
    Worked as advertised
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    Reviewed in the United States on August 16, 2023

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