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Product Specifications:
| Item | Meter |
| Alarm | Low, High |
| Alert Type | Sound |
| Analyzer Type | Gas Analyzers For Carbon Dioxide |
| Auto Power Off | Yes |
| Backlit Display | Yes |
| Batteries Included | Yes |
| Battery Life | 10 hrs. |
| Battery Run Time | 10 hrs. |
| Battery Voltage | 9V |
| Calibration Certificate | No |
| Calibration Certificate Included | No |
| Calibration Certificate Type | Available Separately |
| Carbon Dioxide Accuracy | 0 ppm to 5000 ppm, +/-(75 ppm +3% rdg.), 5001 ppm to 30000 ppm, +/-(150ppm +5% rdg.) |
| Carbon Dioxide Measuring Ranges | 0 ppm to 30000 ppm |
| Carbon Dioxide Resolution | 1 ppm |
| Carbon Dioxide Sampling Rate | 2 sec. |
| Carbon Dioxide Sensor Type | Non Dispersive Infrared |
| Carbon Dioxide Short Term Exposure Limit (stel) | 15 min. |
| Carbon Dioxide Time Weighted Average (twa) | 8 hrs. |
| Carbon Dioxide Warm-up Time | 20 sec. |
| Data Hold | Yes |
| Datalogging Capabilities | Yes |
| Digital Display Screen Type | LCD With Backlight |
| Dimensions | 11 1/5" x 2 3/5" x 1 1/2" |
| Display Type | LCD |
| Gases Detected | Carbon Dioxide |
| Humidity Accuracy | 10% to 90% rh, -3% to 3% < 10% & > 90% rh, -5% to +5% |
| Humidity Measuring Range | 0% rh to 100% rh |
| Humidity Resolution | 0.1% RH |
| Includes | Carrying Case, USB Cable |
| Internal Memory | Yes, 32000 Datapoints |
| Kick Stand | Yes |
| Low-battery Indicator | Yes |
| Manufacturer Warranty Length | 1 yr. |
| Max. Operating Altitude | 6561 ft. |
| Max. Pressure Measured | Not Applicable |
| Max. Relative Humidity Measured | 100% |
| Maximum Carbon Dioxide Measured | 30000 ppm |
| Maximum Carbon Monoxide Measured | Not Applicable |
| Maximum Temperature Measured | 140°F |
| Min./max./average Readings | Yes |
| Minimum Carbon Dioxide Measured | 0 ppm |
| Minimum Dew Point Measured | Not Applicable |
| Minimum Oxygen Measured | Not Applicable |
| Minimum Relative Humidity Measured | 0% |
| Minimum Temperature Measured | -4°F |
| No. Of Records Stored | 32000 |
| Operating Humidity | 0% to 90% |
| Operating Temp. | 32°F to 122°F |
| Pc Connectivity | Usb |
| Power Source | Battery |
| Ppm Accuracy | +/-3% Of Reading, +/-75 ppm (0 ppm to 5, 000 ppm), +/-5% Of Reading, +/-150 ppm (5001 ppm to 30000 ppm) |
| Real-time Clock And Date Stamp | Yes |
| Relative Humidity Accuracy | +/-3% From 10 to 90% Rh, +/-5% From 10 to 90% Rh |
| Relative Humidity Range | 0% to 100% |
| Selectable Sampling Rate | Yes |
| Software Os Compatability | Windows 7, 8, 10, 11 |
| Storage Humidity Range | 10% to 75% |
| Storage Temp. | -4°F to +140°F |
| Temp. Range | -4°F to +140°F |
| Temp. Resolution | 0.1°F |
| Temperature Accuracy | -1.5° to +1.5° |
| Testing Functions | Relative Humidity, Temperature |
Shipping Info:
| Ship weight (kg) | 0.81 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | TW |
Product Variants
| Product | Model | Temp. Range | Relative Humidity Range | Data Hold | Power Source | Auto Power Off | Low-battery Indicator | Battery Voltage | Display Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
R9905-NIST | - | - | - | - | - | - | - | - | €827.74 | RFQ
|
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REED INSTRUMENTS R9905 Indoor Air Quality Meter, 0 to 30000 ppm CO2 Concentration, -4 to 140 Deg F
€665.68 /unit

