6820 Vantage Pro2 Groweather Wireless Sensor Suite

Wireless Integrated sensor suite for use with Vantage Connect, Vantage Pro2 and Vantage Vue consoles or Weather Envoy and WeatherLink. The corrosion-proof sensor suite combines a rain collector; solar irradiance, temperature and humidity sensors; and anemometer into one package for rugged reliability and performance.

Features:

- Wireless sensor suite with integrated sensors for temperature/humidity, rain and solar irradiance.
- Temperature and humidity sensors are housed inside a radiation shield. The shield protects against solar radiation and other sources of radiated and reflected heat.
- Detachable anemometer provides wind speed and direction and can be sited up to 12 m above the other sensors.
- Ability to add UV sensor.
- Add cellular-based, solar-powered Wireless Vantage Connect to upload your weather data to the internet. Get real-time alerts for frost, evapotranspiration, high winds or other conditions you specify.
- Comes with the new Aerocone rain gauge offering more accurate measurements in strong wind conditions.

Specifications

General:

- Operating Temperature: -40 to +65 C
- Non-operating Temperature: -40 to +70 C
- Current Draw (ISS SIM only): 0.14 mA (average), 30 mA (peak) at 4 to 6 VDC
- Solar Power Panel: 0.5 Watts (ISS SIM)
- Battery (ISS SIM): CR-123 3-Volt Lithium cell
- Battery Life (3-Volt Lithium cell): 8 months without sunlight - greater than 2 years depending on solar charging

Sensor types:

- Wind Speed Sensor: Solid state magnetic sensor
- Wind Direction Sensor: Wind vane with potentiometer
- Rain Collector Type: Tipping bucket, 0.2 mm with metric rain adapter, 214 cm2 collection area
- Temperature Sensor Type: PN Junction Silicon Diode
- Relative Humidity Sensor Type: Film capacitor element
- Housing Material: UV-resistant ABS

Measurement Ranges

Relative Humidity (Outdoors):

- Resolution: 1%
- Range: 1 to 100% RH
- Accuracy: +/- 2%
- Drift: <0.25% per year

Rainfall:

- Resolution: 0.2 mm (user-selectable) (1 mm at totals > 2000 mm)
- Daily/Storm Rainfall Range: 0 to 999.8 mm
- Monthly/Yearly/Total Rainfall Range: 0 to 6553 mm
- Accuracy: For rain rates up to 100 mm/hr: +/- 4% of total or +/- one tip of the bucket (0.2mm), whichever is greater.
- Update Interval: 20 to 24 seconds

Rain Rate:

- Resolution and Units: 0.01" or 0.1 mm (user-selectable) at typical rates (see Fig. 2 and 3)
- Range: 0, 0 to 2438 mm/hr
- Accuracy: +/- 5% for rates less than 127 mm/hr
- Update Interval: 20 to 24 seconds

Solar Radiation:

- Resolution and Units: 1 W/m2
- Range: 0 to 1800 W/m2
- Accuracy: +/- 5% of full scale (Reference: Eppley PSP at 1000 W/m2)
- Drift: up to +/- 2% per year
- Cosine Response: +/- 3% for angle of incidence from 0 to 75
- Temperature Coefficient: -0.067% per F (-0.12% per C); reference temperature = 77 F (25 C)
- Update Interval: 50 seconds to 1 minute (5 minutes when dark)

Temperature (Outside):

- Resolution: 0.1 C or 1 C nominal C is converted from F rounded to the nearest 1 C
- Range: -40 to +65 C
- Sensor Accuracy: +/- 0.3 C See Fig. 1
- Radiation Induced Error (Passive Shield): 2 C at solar noon (insolation = 1040 W/m2, avg. wind speed < 2 mph (1 m/s)(reference: RM Young Model 43408 Fan-Aspirated Radiation Shield)
- Radiation Induced Error (Fan-Aspirated Shield): 0.3 C at solar noon (insolation = 1040 W/m2, avg. wind speed < 2 mph (1 m/s)) (reference: RM Young Model 43408 Fan-Aspirated Radiation Shield)
- Update Interval: 10 to 12 seconds

Wind Direction:

- Range: 0 - 360 degrees
- Display Resolution: 16 points (22.5) on compass rose, 1 degrees in numeric display
- Accuracy: +/- 3
- Update Interval: 2.5 to 3 seconds
Wind Speed:

- Resolution and Units: 1 mph, 1 km/h, 0.4 m/s, or 1 knot (user-selectable). Measured in mph, other units are converted from mph and rounded to nearest 1 km/hr, 0.1 m/s, or 1 knot.
- Range: 0 to 200 mph, 0 to 173 knots, 0 to 89 m/s, 0 to 322 km/h
- Update Interval: Instant Reading: 2.5 to 3 seconds, 10-minute Average: 1 minute
- Accuracy: +/- 1 mph (1 kts, 1.5 km/h, 0.5 m/s) or +/- 5%, whichever is greater

Wireless:

- Transmit/Receive Frequency: 921 - 928 MHz FHSS
- ID Codes Available: 8
- Output Power: 921- 928 MHz FHSS, less than 10 mW, no license required.
- Line of sight: 300 m
- Through Walls: 15 to 60m
- Sensor inputs (RF Filtering): RC low-pass filter on each signal line