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Accuracy | AcuRite

Exact Specifications

The accuracy specifications listed on this page apply to the majority of AcuRite products, however, the exact specifications for individual products can be found in the product's user manual.



Analog Weather Product Accuracy

Temperature Range Tolerance
-60 to 0 degrees Fahrenheit +/- 4 degrees Fahrenheit
1 to 32 degrees Fahrenheit +/- 3 degrees Fahrenheit
33 to 80 degrees Fahrenheit +/- 2 degrees Fahrenheit
81 to 105 degrees Fahrenheit +/- 3 degrees Fahrenheit
106 to 140 degrees Fahrenheit +/- 4 degrees Fahrenheit
Humidity Range Tolerance
1% to 99% Relative Humidity +/- 10% Relative Humidity
Barometric Pressure Tolerance
inHg or hpa +/- 0.50 inHg



Clock Accuracy

Clock Type Tolerance
Digital Clock (non-atomic) +/- 45 seconds per month
Atomic Digital Clock Split-second accuracy



Cooking Thermometer Accuracy

Thermometer Type Tolerance
Analog +/- 3 degrees Fahrenheit
Digital +/- 2 degrees Fahrenheit
Oven +/- 5 degrees Fahrenheit from 300 to 400 degrees Fahrenheit;
+/- 10 degrees Fahrenheit less than 300 & over 400 degrees Fahrenheit 



Digital Weather Product Accuracy

Temperature Range Tolerance
68 to 75 degrees Fahrenheit +/- 1 degrees Fahrenheit
32 to 122 degrees Fahrenheit +/- 2 degrees Fahrenheit
-40 to 32 degrees Fahrenheit
122 to 158 degrees Fahrenheit
+/- 4 degrees Fahrenheit
Humidity Range Tolerance
1% to 10% Relative Humidity +/- 5% relative humidity
11% to 20% Relative Humidity +/- 4% relative humidity
21% to 80% Relative Humidity +/- 3% relative humidity
81% to 90% Relative Humidity +/- 4% relative humidity
91% to 99% Relative Humidity +/- 5% relative humidity
Wind Speed Tolerance
Below 10 miles per hour +/- 2 miles per hour
10 to 30 miles per hour +/- 3 miles per hour
31 to 50 miles per hour +/- 4 miles per hour
51 to 99 miles per hour +/- 5 miles per hour
Rainfall Tolerance
Per 1 inch +/- .05 inches
Barometric Pressure Tolerance
inHg or hpa +/- 0.15 inHg (+/- 5 mbar) after Learning Mode has completed



Timer Accuracy

Timer Type Tolerance
Analog +/- 1 minute @ 60 minutes
Digital +/- 5 seconds @ 60 minutes



Tube Thermometer Accuracy

Temperature Range Tolerance
Below 0 degrees Fahrenheit +/- 3 degrees Fahrenheit
0 to 120 degrees Fahrenheit +/- 2 degrees Fahrenheit
Above 120 degrees Fahrenheit +/- 3 degrees Fahrenheit