When assessing the accuracy of your AcuRite product, use the following standards.

NOTE: Accuracy standards are per unit.

AcuRite Iris™ (5-in-1), Notos® (3-in-1), Tower Sensors, and Humidity Monitors:

Models: 06004, 06014, 06008, 00592TXR/06002M, 00606TX/06009RMA1, 00609TXRA1, and non-Pro Accuracy Humidity Monitors. 

1. Temperature: +/- 2 degrees Fahrenheit (+/- 1 degree Celsius).
2. Humidity: 
   1. +/- 5% from 0% to 10% Relative Humidity.
   2. +/- 4% from 10% to 20% Relative Humidity. 
   3. +/- 3% from 20% to 80% Relative Humidity. 
   4. +/- 4% from 80% to 90% Relative Humidity.
   5. +/- 5% from 90% to 100% Relative Humidity.
3. Rain: +/- 0.05" per inch of rainfall.
4. Wind Speed:
   
   1. +/-2 mph below 10 mph. 
   2. +/- 3 mph from 10 to 30 mph.
   3. +/- 4 mph from 30 to 50 mph.
   4. +/- 5 mph from 50 to 99 mph.
5. Barometric Pressure: +/- .15 inhg. 

AcuRite Atlas® Sensor: 

Model #06059M

1. Temperature: +/- 1 degree Fahrenheit (+/- .5 degrees Celsius)
2. Humidity: +/- 2% Relative Humidity.
3. Rain: +/- 5%.
4. Wind Speed: +/- 1 mph < 10 mph, +/- 10% > 10 mph.
5. Wind Direction: +/- 3 degrees.
6. UV Accuracy: +/- 1.
7. Barometric Pressure: +/- .15 inhg.

Pro Accuracy Units:

Models: 01080M, 01083M, and 01139M.

1. Temperature: +/- 0.5 degrees Fahrenheit (+/- .2 degrees Celsius). 
2. Humidity: +/- 2% Relative Humidity. 

Portable Anemometer Model #00256M

1. Temperature: +/- 2 degrees Fahrenheit (+/- 1 degree Celsius).
2. Humidity: +/- 1% Relative Humidity.
3. Wind Speed
   

   MPH:
   1. +/- 2 mph below 10 mph. 
   2. +/- 3 mph from 10 to 30 mph.
   3. +/- 4 mph from 30 to 50 mph.
   4. +/- 5 mph from 50 to 60 mph.

   M/S:
   1. +/- 1.0 m/s below 5 m/s.
   2. +/- 1.5 m/s from 5 to 14 m/s.
   3. +/- 2.0 m/s from 14 to 23 m/s.
   4. +/- 2.5 m/s from 23 to 27 m/s.
   
   
   

Digital/Analog Clocks:

1. Time: +/- 1 second per day.

AcuRite AIR™ Indoor Air Quality Monitor:

1. PM2.5:
   1. +/- 10µg/m3 from 0µg/m3 to 100µg/m3
   2. +/- 10% from 100µg/m3 to 500µg/m3