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The R9910SD from Reed Instruments is crafted to record readings from 3 probes simultaneously and features Data hold, Max/Min functions, and an easy-to-read vast backlit LCD display. Using a SD card (max 16GB), a user can manually record up to 99 readings or automatically by selecting a desired sampling rate from 1 sec to 8 hours. Excel files with raw data can be quickly generated, all without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring.
| 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) |
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- • Schools
- • Office buildings
- • Greenhouses
- • Factories
- • Hotels
- • Hospitals
- • Areas where high levels of carbon dioxide are generated
