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What are the Accuracy Standards?

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

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.

NOTE: Accuracy standards are per unit.

 

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

Models: 06004, 06014, 06008, 00592TXR/06002M, 00606TX/06009RMA1, 00609TXRA1, their display units, 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. 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 99 mph.
    2. KM/H
      1. +/-3.5 km/h below 16 km/h.
      2. +/-5 km/h from 16 km/h to 48 km/h.
      3. +/-6.5 km/h from 48 km/h to 81 km/h.
      4. +/-8 km/h from 81 km/h to 159 km/h
  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:
    1. 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.
    2. 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.
    3. KM/H
      1. +/-3.5 km/h below 16 km/h.
      2. +/-5 km/h from 16 km/h to 48 km/h.
      3. +/-6.5 km/h from 48 km/h to 81 km/h.
      4. +/-8 km/h from 81 km/h to 97 km/h.
    4. Knots
      1. +/-1.5 knots below 9 knots.
      2. +/-2.5 knots from 9 knots to 26 knots.
      3. +/-3.5 knots from 26 knots to 43 knots.
      4. +/-4.5 knots from 43 knots to 52 knots.
    5. FPM
      1. +/-176 fpm below 880 fpm.
      2. +/-264 fpm from 880 fpm to 2640 fpm.
      3. +/-352 fpm from 2640 fpm to 4400 fpm.
      4. +/-440 fpm from 4400 fpm to 5280 fpm.

 

Analog Weather Products:

  1. Temperature:
    1. -60 to 0 degrees Fahrenheit: +/- 4 degrees Fahrenheit.
    2. 1 to 32 degrees Fahrenheit: +/- 3 degrees Fahrenheit.
    3. 33 to 80 degrees Fahrenheit: +/- 2 degrees Fahrenheit.
    4. 81 to 105 degrees Fahrenheit: +/- 3 degrees Fahrenheit.
    5. 106 to 140 degrees Fahrenheit: +/- 4 degrees Fahrenheit.
  2. Humidity:
    1. +/- 10% Relative Humidity.
  3. Barometric Pressure:
    1. +/- 0.50 inHg.

 

Analog Thermometers (Tube):

  1. Below 0 degrees Fahrenheit: +/- 3 degrees Fahrenheit.
  2. 0 to 120 degrees Fahrenheit: +/- 2 degrees Fahrenheit.
  3. Above 120 degrees Fahrenheit: +/- 3 degrees Fahrenheit.

 

Digital/Analog Clocks:

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

 

Cooking Thermometers:

  1. Analog: +/- 3 degrees Fahrenheit.
  2. Digital: +/- 2 degrees Fahrenheit.
  3. Oven: +/- 5 degrees Fahrenheit from 300 to 400 degrees Fahrenheit;
    +/- 10 degrees Fahrenheit less than 300 & over 400 degrees Fahrenheit.

 

Kitchen Timers:

  1. Analog: +/- 1 minute @ 60 minutes.
  2. Digital: +/- 5 seconds @ 60 minutes.

 

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.