Technical Information
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TAHMO MicroEnvironment Monitor (MEM)
Station specifications:
Provided with solar charger for self-powered operation with 6-month backup battery
Hourly GPRS reporting with 5 minute readings
Soil moisture and groundwater sensors available upon request.
| Sensor | Operating temperature range | Notes |
| Anemometer | -40 to 50 C | Maximum sampling speed: 1 Hz.
Output: Avarage speed, gust speed, direction, or vector. |
| Rain gauge | 0 to 60 C | Not suitable for snowfall measurement. |
| Pyronometer | -40 to 60 C | Spectral range: 380 to 1120 nm.
Field of view: hemisperical, 180 C. |
| Barometer | -40 to 85 C | -500 m to 9,000 m above sea level. |
Parameter |
Range | Resolution | Accuracy |
| Wind speed | 0 to 40 m/s | 0.01 m/s | 3 % |
| Wind direction | 0 to 359 degrees | 1 degrees | 5 degrees |
| Temperature | -40 to 50 C | 0.1 C | 1.0 C |
| Relative humidity | 0 to 100% RH | 0.1% RH | 3% |
| Vapor pressure | 0 to 47 kPa | 0.01 kPa | 0.2 kPa |
| Precipitation | 0 to 400 mm/hr | 0.017 mm | 5% |
| Solar radiation | 0 to 1,750 W/m2 | 1 W/m2 | 5% |
| Barometric pressure | 50 to 110 kPa | 0.01 kPa | 0.1 kPa |
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