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Measures carbon dioxide (CO2), temperature, humidity and automatically calculates dew point and wet bulb temperatures. This product includes a Traceable Calibration Certificate with full Data and Uncertainties.
Measures carbon dioxide (CO2), temperature, humidity and automatically calculates dew point and wet bulb temperatures. This product includes a Traceable Calibration Certificate with full Data and Uncertainties.
Discontinued!
This product has been discontinued and is no longer available.
This is the direct replacement:
This IAQ (indoor air quality) meter simultaneously monitors carbon dioxide, relative humidity, and temperature. The R9900 is capable of automatically calculating wet bulb and dew point temperatures as well as statistical TWA and STEL averages.
This product includes a Traceable Calibration Certificate with full Data and Uncertainties.
Features
| Temperature | |
| Measuring Ranges | 14 to 140°F (-10 to 60°C) |
| Accuracy | ±0.9°F (±0.6°C) |
| Resolution | 0.1°F/°C |
| Humidity | |
| Measuring Range | 0 to 99.9% RH |
| Accuracy | ±3% (10 to 90% RH) ±5% (<10% & >90% RH) |
| Resolution | 0.1% RH |
| CO2 (Carbon Dioxide) | |
| Measuring Range | 0 to 5,000 ppm |
| Accuracy | < 999 ppm: ±40 ppm >1,000 ppm: ±5% Rdg |
| Resolution | 1 ppm |
| General Specifications | |
| Response Time | 1 sec |
| Display | Triple LCD display |
| Backlit Display | Yes |
| Dew Point / Wet Bulb Calculation | Yes |
| Data Hold | Yes |
| Min, Max and Avg Functions | Yes |
| CO2 Short Term Exposure Limit (STEL) | Yes (15 mins) |
| CO2 Time Weighted Average (TWA) | Yes (8 hours) |
| Alarm | Yes (audible) |
| Auto Shut-off | Yes (after 20 mins/off) |
| Low Battery Indicator | Yes |
| Power Supply | 4 AA Batteries |
| Battery Life | Approx. 24 hours (continuous use) |
| Product Certifications | CE |
| Operating Temperature | 14 to 122°F (-10 to 50°C) |
| Storage Temperature | 14 to 140°F (-10 to 60°C) |
| Operating Humidity Range | 10 to 85% |
| Dimensions | 7.9 x 2.7 x 2.3" (200 x 70 x 57 mm) |
| Weight | 6.7 oz (190g) |
Environmental Monitoring in:
Click on a category to view a selection of compatible accessories with the REED R9900-NIST Indoor Air Quality CO2 Meter, .
| Temperature | |
| Measuring Ranges | 14 to 140°F (-10 to 60°C) |
| Accuracy | ±0.9°F (±0.6°C) |
| Resolution | 0.1°F/°C |
| Humidity | |
| Measuring Range | 0 to 99.9% RH |
| Accuracy | ±3% (10 to 90% RH) ±5% (<10% & >90% RH) |
| Resolution | 0.1% RH |
| CO2 (Carbon Dioxide) | |
| Measuring Range | 0 to 5,000 ppm |
| Accuracy | < 999 ppm: ±40 ppm >1,000 ppm: ±5% Rdg |
| Resolution | 1 ppm |
| General Specifications | |
| Response Time | 1 sec |
| Display | Triple LCD display |
| Backlit Display | Yes |
| Dew Point / Wet Bulb Calculation | Yes |
| Data Hold | Yes |
| Min, Max and Avg Functions | Yes |
| CO2 Short Term Exposure Limit (STEL) | Yes (15 mins) |
| CO2 Time Weighted Average (TWA) | Yes (8 hours) |
| Alarm | Yes (audible) |
| Auto Shut-off | Yes (after 20 mins/off) |
| Low Battery Indicator | Yes |
| Power Supply | 4 AA Batteries |
| Battery Life | Approx. 24 hours (continuous use) |
| Product Certifications | CE |
| Operating Temperature | 14 to 122°F (-10 to 50°C) |
| Storage Temperature | 14 to 140°F (-10 to 60°C) |
| Operating Humidity Range | 10 to 85% |
| Dimensions | 7.9 x 2.7 x 2.3" (200 x 70 x 57 mm) |
| Weight | 6.7 oz (190g) |
Environmental Monitoring in:
Click on a category to view a selection of compatible accessories with the REED R9900-NIST Indoor Air Quality CO2 Meter, .
