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 |