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Product Specifications:
| Adjustable Brightness | Yes |
| Air Flow Range | Not Applicable |
| Air Pressure Range | Not Applicable |
| Air Velocity | Not Applicable |
| Alarm | Low, High |
| Alert Type | Sound |
| Analyzer Type | Gas Analyzers For Carbon Dioxide |
| Auto Power Off | No |
| Battery Chemistry | Lithium Ion |
| Battery Life | 2 hrs. |
| Battery Run Time | 2 hrs. |
| Battery Type | 3000Mah Rechargeable Li-Ion Battery, Power Adapter |
| Calibration Certificate | No |
| Calibration Certificate Included | No |
| Calibration Certificate Type | Available Separately |
| Carbon Dioxide Accuracy | +/-5% rdg +75 ppm |
| Carbon Dioxide Concentration | 0 ppm to 9999 ppm |
| Carbon Dioxide Resolution | 1 ppm |
| Carbon Dioxide Response Time | Less Than 2 Sec. |
| Carbon Dioxide Sensor Type | Non Dispersive Infrared |
| Carbon Monoxide Measurement Range | Not Applicable |
| Charging Time | 9 hrs. |
| Data Hold | No |
| Datalogging Capabilities | Yes |
| Dew Point Range | Not Applicable |
| Digital Display Screen Type | LCD |
| Dimensions | 7 4/5" x 4 3/5" x 1" |
| Display Resolution | 1024 x 600 Pixel |
| Display Size | 7" |
| Display Type | High Resolution Color Tft |
| Gases Detected | Carbon Dioxide |
| Humidity Accuracy | +/-3.5% (20 to 80% Rh), +/-5% (<20% And >80% Rh) |
| Humidity Measuring Range | 0% rh to 100% rh |
| Humidity Resolution | 0.1% RH |
| Includes | Power Adapter, USB Cable, Wall Mounting Bracket |
| Internal Memory | Yes, 16Gb |
| Kick Stand | Yes |
| Low-battery Indicator | Yes |
| Manufacturer Warranty Length | 1 yr. |
| Max. Function | Yes |
| Max. Operating Altitude | 6561 ft. |
| Max. Oxygen Measured | Not Applicable |
| Max. Pressure Measured | Not Applicable |
| Max. Relative Humidity Measured | 100% |
| Maximum Carbon Dioxide Measured | 9999 ppm |
| Maximum Carbon Monoxide Measured | Not Applicable |
| Maximum Dew Point Measured | Not Applicable |
| Maximum Temperature Measured | 122°F |
| Min. Function | 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 | 32°F |
| Operating Humidity | 0% to 100% |
| Operating Temp. | 14°F to 104°F |
| Oxygen Concentration | Not Applicable |
| Pc Connectivity | Usb Cable Type C |
| Power Source | Battery |
| Ppm Accuracy | +/-5% Of Reading +75 ppm |
| Real-time Clock And Date Stamp | Yes |
| Relative Humidity Accuracy | +/-3.5% From 20 to 80% Rh, +/-5% From 20 to 80% Rh |
| Selectable Sampling Rate | Yes, 1 sec. to 24 hrs. |
| Storage Temp. | 14°F to 104°F |
| Temp. Range | 32°F to 122°F |
| Temp. Resolution | 0.1°F |
| Temperature Accuracy | -1.8° to +1.8° |
| Testing Functions | Relative Humidity, Temperature |
| Usb Cable Length | 10 ft. |
| Velocity Accuracy | Not Applicable |
| Wall Mountable | Yes |
| Wet Bulb Temp. Range | Not Applicable |
Shipping Info:
| Ship weight (kg) | 1.11 |
| Country of Origin | CN |
Product Variants
| Product | Model | Temp. Range | Dew Point Range | Carbon Dioxide Concentration | Oxygen Concentration | Data Hold | Power Source | Carbon Monoxide Measurement Range | Auto Power Off | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
R9920-NIST | - | - | - | - | - | - | - | - | €1,247.40 | RFQ
|
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REED INSTRUMENTS R9920 Indoor Air Quality Meter, Internal Time And Date Stamp, Carbon Dioxide, Sound
€1,327.34 /unit

