Specifications; Wireless Specifications; Measurement Specifications; Power Consumption - Ambient Weather WS-2902B User Manual

Term
the wind is blowing.

10. Specifications

10.1 Wireless Specifications

•
Line of sight wireless sensor array RF transmission (in open air): 330 feet, 100 feet under
most conditions
•
Line of sight WiFi RF transmission (in open air): 80 feet
•
Update Rate: Outdoor Sensor: 16 seconds, Indoor Sensor: 64 seconds
•
Sensor Array RF Frequency: 915 MHz
•
WiFi Console RF Frequency: 2.4 GHz

10.2 Measurement Specifications

The following table provides the specifications for the measured parameters.
Measurement
Indoor Temperature
Outdoor Temperature
Indoor Humidity
Outdoor Humidity
Barometric Pressure
Light
Rain
Wind Direction
Wind Speed

10.3 Power Consumption

•
Base station : 5V DC Adaptor (included), Power Consumption: 0.5 Watts (1.25 Watts during
WiFi configuration mode)
•
Base station: 3 x AAA batteries (not included)
•
Outdoor sensor array: 3xAA batteries (not included). The primary power source is the solar
panel. The batteries provide backup power when there is limited solar energy.

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.
Version 2.0 ©Copyright 2020, Ambient LLC. All Rights Reserved.
Figure 47
Range
14 to 140 °F
-40 to 149 °F (lithium
batteries)
-23 to 140 °F (alkaline
batteries)
10 to 99%
10 to 99%
8.85 to 32.50 inHg
0 to 200,000 Lux
0 to 394 in.
0 - 360 º
0 to 100 mph (operational)
Figure 48
Definition
Accuracy
± 2 °F
± 2 °F
± 5%
± 5%
± 0.08 inHg (within range of
27.13 to 32.50 inHg)
± 15%
± 5%
± 10º
± 2.2 mph or 10% (whichever
is greater)
Resolution
0.1 °F
0.1 °F
1 %
1 %
0.01 inHg
1 Lux
0.01 in
1º
1.4 mph
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