User Manual

Version 1.0 Page 39
10.2 Measurement Specifications
The following table provides the specifications for the measured parameters.
Measurement
Range
Accuracy
Resolution
Indoor Temperature
14 to 140 °F
± 2 °F
0.1 °F
Outdoor Temperature
-40 to 149 °F (lithium
batteries)
-23 to 140 °F (alkaline
batteries)
± 2 °F
0.1 °F
Indoor Humidity
10 to 99%
± 5%
1 %
Outdoor Humidity
10 to 99%
± 5%
1 %
Barometric Pressure
8.85 to 32.50 inHg
± 0.08 inHg (within range of
27.13 to 32.50 inHg)
0.01 inHg
Light
0 to 200,000 Lux
± 15%
1 Lux
Rain
0 to 394 in.
± 5%
0.01 in
Wind Direction
0 - 360 º
± 10º
1º
Wind Speed
0 to 100 mph (operational)
± 2.2 mph or 10% (whichever
is greater)
1.4 mph
10.3 Power Consumption
 Base station : 5V DC Adaptor (included), Power Consumption: 0.5 Watts (1.25 Watts during
WiFi configuration mode)
 Outdoor sensor array: 3xAA batteries (not included)
11. Maintenance
1. Clean the rain gauge once every 3 months. Rotate the funnel counter-clockwise and lift to
expose the rain gauge mechanism, and clean with a damp cloth. Remove any dirt, debris and
insects. If bug infestation is an issue, spray the array lightly with insecticide.
Figure 38
2. Clean the solar radiation sensor and solar panel every 3 months with damp cloth.
3. Replace batteries every 1-2 years. If left in too long, the batteries may leak due to