We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
The Reed Instruments R9920 is an indoor air quality meter that measures carbon dioxide (CO2), temperature and humidity on a high-resolution 7" color TFT LCD touchscreen display.
Includes:
- • Indoor Air Quality Meter
- • USB Cable
- • Power Adapter
- • Wall Mounting Bracket
Temperature | |
Measuring Range | 32 to 122°F (0 to 50°C) |
Accuracy | ±1.8°F (1°C) |
Resolution | 0.1°F/°C |
Humidity | |
Measuring Range | 0 to 100% RH |
Accuracy | ±3.5% (20 to 80% RH) ±5% (<20% and >80% RH) |
Resolution | 0.1% RH |
CO2 (Carbon Dioxide) | |
Sensor Type | Nondispersive Infrared (NDIR) |
Measuring Range | 0 to 9999ppm |
Accuracy | ±5% rdg +75ppm |
Resolution | 1ppm |
Response Time | <2 seconds |
General Specifications | |
Display | 7" (178mm) high-resolution color TFT |
Display Resolution | 1024 x 600 pixels |
Adjustable Brightness | Yes |
Min | Yes |
Max | Yes |
Data Logging Capabilities | Yes |
Real-Time Clock and Date Stamp | Yes |
Selectable Sampling Rate | Yes (between 1 second and 24 hours) |
Internal Memory | Yes (16GB) |
Alarms | Yes (Low and High) |
Kick Stand | Yes |
Wall Mountable | Yes (bracket included) |
Low Battery Indicator | Yes |
Power Supply | 3000mAh rechargeable Li-ion battery/power adapter |
Battery Life | ~2 hours |
Charge Time | ~9 hours |
PC Connectivity | USB Cable (Type-C) |
USB Cable Length | 10' (3m) |
Product Certifications | CE |
Operating Temperature | 14 to 104°F (10 to 40°C) |
Storage Temperature | 14 to 104°F (10 to 40°C) |
Operating Humidity Range | 0 to 100% |
Maximum Operating Altitude | 6561' (2000m) |
Dimensions | 7.8 x 4.6 x 1" (198 x 118 x 25.7mm) |
Weight | 12.9oz (365g) |
Write Your Own Review
Environmental monitoring in:
- • Schools
- • Office buildings
- • Greenhouses
- • Factories
- • Hotels
- • Hospitals
- • Laboratories
- • Areas or manufacturing processes where high levels of carbon dioxide must be measured