Điểm nổi bật
| Technical Specifications | |||
| Feature | Range | Display Resolution | Accuracy |
| Measured Specifications | |||
| Temperature | -5°F to 140°F (-20°C to 60°C) |
0.1°F (0.1°C) |
± 0.9°C/± 1.62°F from 40°C to 60°C ± 0.5°C/± 1.00°F from 5°C to 40°C ± 1.1°C/± 1.98°F from -20°C to 5°C |
| Relative humidity | 10% to 90% RH non-condensing |
1% | ± 2% RH (10% RH to 90% RH) |
| Air velocity | 0.25 fpm to 3000 fpm 0.25 m/sec to 15 m/sec | 1 fpm (0.005m/sec) |
4 % or 4 fpm* 3 % or 0.015 m/sec* whichever is greater *Accuracy specification only valid for velocity readings above 50 fpm. |
| CO2 | 0 to 5000 ppm | 1 ppm | Warm up time 1 min (5 minutes for full specification) 2.75 % + 75 ppm |
| CO | 0 to 500 ppm | 1 ppm | ± 5 % or ± 3 ppm, whichever is greater, @ 20 °C and 50 % RH |
| Calculated Specifications | |||
| Dew point temperature | -44 °C to 57 °C (-47 °F to 135 °F) |
0.1 °C (0.1 °F) |
± 1 °C when temp: -20 °C to 60 °C RH: 40 % to 90 % ± 2 °C when temp: -20 °C to 60 °C RH: 20 % to 40 % ± 4 °C when RH: 10 % to 20 % |
| Wet bulb temperature | -16 °C to 57 °C (3 °F to 135 °F) |
0.1 °C (0.1 °F) |
± 1.2 °C when RH: 20 % to 90 % temp: -20 °C to 60 °C ± 2.1 °C when RH: 10 % to 20 % |
| Volume flow rate (in a duct) | 0 to 3,965 M3/m (0 to 140,000 cfm) |
0.001 M3/min (1 cfm) |
N/A: The volume flow calculation will be a simple average of the data points times the duct area |
| % outside air (based on temperature) | 0 to 100% | 0.1% | N/A |
| % outside air (based on CO2) | 0 to 100% | 0.1% | N/A |
| General Specifications | |||
| Operating temperature CO and CO2 sensors | -20 °C to 50 °C (-4 °F to 122 °F) | ||
| Operating temperature All other functions | -20 °C to 60 °C (-4 °F to 140 °F) | ||
| Storage temperature | -20 °C to 60 °C (-4 °F to 140 °F) | ||
| Humidity | 10 % to 90 % (non-condensing) | ||
| Altitude | Up to 2000 m (6562 ft) | ||
| Shock and vibration | MIL-PRF-28800F: Class 2 | ||
| Multi-language interface | English, French, Spanish, Portuguese and German | ||
| Battery | Rechargeable Li-Ion (primary), three-AA (backup) | ||
| Data logging | 25,000 records (continuous), 99 records (discrete) | ||
| Warranty | Two-years | ||
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