During the warmer months, when heat rises with humidity, things can get uncomfortable. Heat index is a calculation of measured temperature and humidity combined into one number to reflect perceived temperature. It is a measure of how the air "feels". As humidity increases, the heat index goes up as well and the sensation of heat increases.
Humidex is the same indication of how the air "feels" with the same principals of heat index.
Wind Chill is a combination of the outdoor temperature and the wind speed and is therefore a combination which will measure how the air feels in the cooler months.
The colored indicator scale combines the heat stress index and the wind chill index that will monitor your environment in order for you to decide on the appropriate outdoor activities based on the weather condition. The color bar graph is separated into eight indication categories: Danger (cold), Extreme (cold), Cold, Comfort, Caution (heat), Extreme (heat), Danger (heat), Extreme Danger (heat).
This very unique weather monitoring tool also measures indoor temperature and humidity for your complete weather outlook
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Model: ATH-855 General Specifications |
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Home Display Monitor |
Graphic 0.75" LCD with Color Comfort Dial |
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Temperature Range |
-40°F to 149°F (Outdoor), 32°F to 140°F (Indoor) |
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Accuracy (Temperature) |
± 2°C / ± 2°F (keep transmitter in a shady area for best accuracy) |
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Humidity Range |
20% to 95% RH |
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Humidity Accuracy |
± 3% RH |
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Wind Speed Range |
0 to 100 mph |
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Transmission Rate |
Every 45-60 seconds |
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Transmission Frequency |
433.9 MHz |
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Transmission Range |
300 ft. with clear line of sight |
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Wind Speed Accuracy |
± 2 mph |
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Mounting Style |
Table top or Wall Mount |
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Warranty |
12 Months from date of purchase |
| Battery Life |
12 -14 Months (Transmitter / Receiver) |
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Power Supply (Receiver) |
2 “AA” Alkaline (1.5 Vdc) Batteries (Not Included) |
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Power Supply (Transmitter) |
2 “AA” Alkaline (1.5 Vdc) Batteries (Not Included) |
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Dimensions (Display Monitor) |
4” (W) x 6.5” (H) and extends 1.25" out from a wall surface |
AR-816Displays current wind speed
Displays Maximum and Average wind speeds since last power-on
User can select Knots, meters/sec, miles/hour or km/hour
Bar graph displays Beaufort scale (0-12)
Displays current temperature
Displays current wind chill
User can select F or C
Backlit Display with auto-off feature
Battery saving auto-off (entire unit)
Includes lanyard for ease of carrying
Battery: 1 - CR2032 watch type battery (included)
Dimensions: 4" x 1-3/4" x 3/4"
