Version 1.10 ©Copyright 2020, Ambient LLC. All Rights Reserved. Page 55
8. Specifications
8.1 Wireless Specifications
• Line of sight wireless sensor array RF transmission (in open air): 1,000 feet, 300 feet under most conditions
• Line of sight Wi-Fi RF transmission (in open air): 80 feet
• Update Rate: Outdoor Sensor: 4.9 seconds, Indoor Sensor: 49 seconds
• Sensor Array RF Frequency: 915 MHz
• Wi-Fi Tablet RF Frequency: 2.4 GHz
8.2 Measurement Specifications
The following table provides the specifications for the measured parameters.
-40 to 149 °F (lithium batteries)
-23 to 140 °F (alkaline batteries)
± 0.08 inHg (within range of 27.13 to 32.50
inHg)
0 to 89 mph (operational)
< 22 mph, +/- 1 mph
≥ 22 mph, +/-5%
Figure 63
Transmission distance in open field: 300m (1000 ft)
Sensor reporting interval: 4.75 seconds
RF Frequency: 915 MHz
8.3 Power Consumption
• Display Tablet: 5V DC Adaptor (included), Power Consumption: 0.5 Watts (1.25 Watts during Wi-Fi
configuration mode)
• Outdoor sensor array: 2xAA batteries (not included). The primary power source is the solar panel. The batteries
provide backup power when there is limited solar energy.
• Indoor sensor: 2xAA batteries (not included).
• Rain Gauge:
9. Maintenance
1. Clean the rain gauge once every 3 months. Rotate the funnel counterclockwise 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.
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