ACU-RITE 2026 User manual
Instruction Manual
SAVE THIS MANUAL FOR FUTURE REFERENCE.
Questions? Contact Customer Support at
(877) 221-1252 or visit www.AcuRite.com.
CONTENTS
Unpacking Instructions ........... 2
Package Contents .................. 2
Product Registration ............... 2
Features & Benets: Sensor..... 2
Features & Benets: Display.... 3
Setup .................................... 5
Sensor Setup ......................... 5
Display Setup ........................ 6
Intelli-Time® Clock .................. 7
Set the Time, Date & Units ...... 7
Backlight Settings................... 7
Placement Guidelines ............. 8
Using the Weather Station...... 9
Troubleshooting ....................10
Care & Maintenance.............12
Calibration ...........................12
Replace Intelli-Time® battery ..13
Specications........................14
FCC Information ...................14
Customer Support .................15
Warranty..............................15
Weather Station
model 02026
2
Congratulations on your new AcuRite product. To ensure the best
possible product performance, please read this manual in its entirety
and retain it for future reference.
Unpacking Instructions
Remove the protective lm that is applied to the LCD screen prior to using this
product. Locate the tab and peel off to remove.
Package Contents
1. Display unit
2. Outdoor sensor
3. Power adapter
4. Instruction Manual
PRODUCT REGISTRATION
Register online
to receive 1 year
warranty protection
www.AcuRite.com
IMPORTANT PRODUCT MUST BE REGISTERED
TO RECEIVE WARRANTY SERVICE
►
Register a Product
Features & Benets
4
3
2
1
5
OUTDOOR SENSOR
1. Integrated Hanger
For easy placement.
2. Wireless Signal Indicator
Flashes when data is being sent to the
display unit.
3. Battery Compartment
4. A-B-C Switch
ID code that must match display’s A-B-C
switch to ensure units synchronize.
5. Battery Compartment Cover
3
17
16
13
15
14
11
10
9
8
7
12
Features & Benets
1
2
3
4
5
6
DISPLAY UNIT
1. Moon Phase
2. Current Outdoor Temperature
Arrow icon indicates the direction the
temperature is trending.
3. Outdoor Temperature Low/High
Records
Lowest and highest outdoor
temperature recorded since midnight.
4. Current Indoor Temperature
Arrow icon indicates the direction the
temperature is trending.
5. Indoor Temperature Low/High
Records
Lowest and highest indoor temperature
recorded since midnight.
6. 12 to 24 Hour Weather Forecast
Self-Calibrating Forecasting pulls data
from your sensor to generate your
personal forecast.
7. Momentary Backlight Button
8. Auto or Manual Pressure Mode
Indicates pressure mode preference.
Auto Pressure Mode
Pressure will self-calibrate over a 14
day Learning Mode.
Manual Pressure Mode
Indicates raw pressure value, no
adjustment for sea level (can be
calibrated).
9. Barometric Pressure
Arrow icon indicates the direction the
pressure is trending.
10. Learning Mode Icon
Disappears after weather forecast self-
calibration is complete.
11. Indoor Humidity Low/High Records
Lowest and highest indoor humidity
recorded since midnight.
12. Current Indoor Humidity
Arrow icon indicates the direction
the humidity is trending.
13. Display Low Battery Indicator
14. Outdoor Humidity Low/High
Records
Lowest and highest outdoor humidity
recorded since midnight.
15. Current Outdoor Humidity
Arrow icon indicates the direction
the humidity is trending.
16. Sensor Low Battery Indicator
17. Outdoor Sensor Signal Strength
18. Date
19. AUTO DIM Mode Indicator (page 7)
20. Intelli-Time®Clock
Automatically updates itself for Day-
light Saving Time.
19 1820
4
Features & Benets
1
2
3
8
7
4
5
9
6
BACK OF DISPLAY UNIT
1. Adjust Up Button
for setup preferences.
2. Setup Mode Button
for setup preferences.
3. Adjust Down Button
for setup preferences.
4. All-Time Records Button
Press to access all-time high and low
records.
5. Battery Compartment
6. Plug-in for Power Adapter
7. A-B-C Switch
ID code that must match sensor’s A-B-C
switch to ensure units synchronize.
8. Reset Button
Full reset to factory defaults.
9. Power Adapter
10. Battery Compartment Cover
(not shown)
5
SETUP
Set the A-B-C Switch
The A-B-C switch is located inside
the battery compartment. It can
be set to A, B or C. However,
you must select the same letter
choices for both the sensor and
the display unit in order for the
units to synchronize.
Install or Replace Batteries
AcuRite recommends high quality
alkaline or lithium batteries in
the outdoor sensor for the best
product performance. Heavy
duty or rechargeable batteries
are not recommended.
The sensor requires lithium
batteries in low temperature
conditions. Cold temperatures
can cause alkaline batteries
to function improperly. Use
lithium batteries in the sensor for
temperatures below -4ºF / -20ºC.
1. Slide off the battery
compartment cover. Take
note of the A-B-C switch
setting inside the battery
compartment for display unit
setup.
2. Insert 2 x AA batteries into
the battery compartment, as
shown. Follow the polarity
(+/-) diagram in the battery
compartment.
3. Replace the battery cover.
Sensor Setup
2
1
1A-B-C Switch
set to match
display unit
2Install Batteries
2 AA batteries
A B C
6
PLEASE DISPOSE OF OLD OR DEFECTIVE BATTERIES IN AN ENVIRONMENTALLY SAFE
WAY AND IN ACCORDANCE WITH YOUR LOCAL LAWS AND REGULATIONS.
BATTERY SAFETY: Clean the battery contacts and also those of the device prior to battery installation. Remove batteries from equipment which is not to be
used for an extended period of time. Follow the polarity (+/-) diagram in the battery compartment. Promptly remove dead batteries from the device. Dispose of used
batteries properly. Only batteries of the same or equivalent type as recommended are to be used. DO NOT incinerate used batteries. DO NOT dispose of batteries in fire,
as batteries may explode or leak. DO NOT mix old and new batteries or types of batteries (alkaline/standard). DO NOT use rechargeable batteries. DO NOT recharge
non-rechargeable batteries. DO NOT short-circuit the supply terminals.
Display Unit Setup
Set the A-B-C Switch
Locate the A-B-C switch inside
the battery compartment. Set
the A-B-C switch to A, B or C.
You must select the same letter
choices for both the display unit
and the sensor in order for the
units to synchronize.
Install or Replace Backup
Batteries (optional)
1. Remove the battery
compartment cover.
2. Insert 3 x AAA alkaline
batteries into the battery
compartment, as shown.
Follow the polarity (+/–)
diagram in the battery
compartment.
3. Replace the battery cover.
Plug in Power Adapter
For the best performance, plug
in the power adapter as the main
power source for this product.
1
2Install Backup Batteries (optional)
3 AAA batteries
3Plug in Power Adapter
1A-B-C Switch
set to match sensor
A B C
23
IMPORTANT: Batteries are
a backup power source to
preserve records in the event of
a power outage. Power adapter
is recommended as the primary
power source to enjoy the full
functionality of this product.
7
Intelli-Time®Clock
Intelli-Time products are pre-programmed with the correct time and date.
Intelli-Time technology instructs the time and date to set themselves. All you
need to do is select your Time Zone and Daylight Saving Time preferences. The
clock will then automatically set itself and change for Daylight Saving Time.
Set the Time, Date & Units
Press the “ ” button, located on the back of the display unit, to enter SET
MODE. Once in set mode, the preference you are currently setting will blink on
the display.
To adjust the currently selected (ashing) item, press and release the “ “ or
“ “ buttons (press and HOLD to fast adjust).
To save your adjustments, press and release the “ ” button again to adjust
the next preference. The preference set order is as follows:
TIME ZONE ( PST MST CST EST AST HAST AKST)
DST (Daylight Saving Time ON or OFF)*
CLOCK HOUR
CLOCK MINUTE
CALENDAR MONTH
CALENDAR DATE
CALENDAR YEAR
TEMPERATURE UNITS (ºF or ºC)
PRESSURE UNITS (inHg or hPa)
*If you live in an area that observes DST, DST should be set to ON, even if it is
not currently Daylight Saving Time.
You will automatically exit SET MODE if no buttons are pressed for 10 seconds.
Enter setup mode at any time by pressing the “ ” button.
Display Backlight Settings
This weather station’s color display features three different lighting settings:
High (100%) brightness, Medium (60%) brightness and Low (30%) brightness
Using battery power alone, the backlight is available momentarily for 10
seconds by pressing the “BACKLIGHT” button.
When display is powered with the power adapter, backlight remains on at
100% brightness. Press “BACKLIGHT” button once to dim to 60% brightness;
press again to dim to 30%, press a 3rd time to enter “AUTO DIM” mode.
AUTO DIM MODE: Automatically adjusts display brightness based on time of day & year.
MARCH 11- NOVEMBER 4 6:00 a.m. - 9:00 p.m. = 100% brightness
9:01 p.m. - 5:59 a.m.= 30% brightness
NOVEMBER 5 - MARCH 10 7:30 a.m. - 7:00 p.m.= 100% brightness
7:01 p.m. - 7:29 a.m. = 30% brightness
8
Placement for Maximum Accuracy
AcuRite sensors are sensitive to surrounding environmental conditions. Proper
placement of both the display unit and outdoor sensor are critical to the
accuracy and performance of this product.
Display Unit Placement
Place the display unit in a dry area free of dirt and dust.
Display unit stands upright for tabletop use.
Outdoor Sensor Placement
Sensor must be placed outside to observe outdoor conditions.
Sensor is water resistant and is designed for general outdoor
use, however, to extend its life place the sensor in an area
protected from direct weather elements.
Hang the sensor using the integrated hang holes or hanger, or
by using string (not included) to hang it from a suitable location,
like a well covered tree branch. The best location is 4 to 8 feet
above the ground with permanent shade and plenty of fresh air
to circulate around the sensor.
Important Placement Guidelines
• To ensure accurate temperature measurement, place units out of direct
sunlight and away from any heat sources or vents.
• Display unit and outdoor sensor must be within 330 ft (100 m) of each other.
• To maximize wireless range, place units away from large metallic items, thick
walls, metal surfaces, or other objects that may limit wireless communication.
• To prevent wireless interference, place both units at least 3 ft (.9 m) away
from electronic devices (TV, computer, microwave, radio, etc.).
Setup is Complete
The sensor will now synchronize with the display unit. It may take a few
minutes for synchronization to complete. Please refer to the troubleshooting
section of this manual if anything appears to be functioning improperly.
TV 3
(100 meters)
(330 feet maximum)
(.91 m)
AT
LEAST
APART
9
Using the Weather Station
Learning Mode
Self-Calibrating Forecasting uses a unique algorithm to analyze changes in
pressure over a time period (called Learning Mode) to determine your altitude.
After 14 days, the Learning Mode icon disappears from the display screen. At
this point, the self-calibrated pressure is tuned in to your location and the unit is
ready for superior weather prediction.
Weather Forecast
AcuRite’s patented Self-Calibrating Forecasting provides your personal forecast
of weather conditions for the next 12 to 24 hours by collecting data from
the sensor in your backyard. It generates a forecast with pinpoint accuracy -
personalized for your exact location.
STORM
DEVELOPING
(Flashing)
SNOW
LIKELY
LIGHT RAIN
LIKELY
PARTLY
CLOUDY
SUNNYCLOUDY
View the complete list of icons at www.AcuRite.com/acurite-icons
Barometric Pressure
Subtle variations in barometric pressure greatly affect the weather. This
weather station displays the current pressure with an arrow icon to indicate the
direction the pressure is trending (FALLING, STEADY, or RISING).
Moon Phase
Track the phases of the moon, conveyed through simple lunar phase icons:
FULL
NEW WAXING
CRESCENT
WANING
CRESCENT
1ST
QUARTER
3RD
QUARTER
High & Low Records
Today’s high and low records are displayed for indoor and outdoor
temperature and humidity. Today’s records automatically clear at 12:00am
midnight every day.
To manually clear all of today’s LOW recorded values, press and hold the
“” button for 2 seconds. Dashes display to conrm you have cleared the
OPERATION
10
LOW records.
To manually clear all of today’s HIGH recorded values, press and hold the
“” button for 2 seconds. Dashes display to conrm you have cleared the
HIGH records.
Press the “ ” button to cycle through the all-time high and low recorded
values (one record is shown at a time) for outdoor and indoor temperature and
humidity. Located in the top right corner of the screen, a date and time stamp
are shown for when each value was recorded. You will automatically exit
all-time records if no buttons are pressed for 5 seconds.
To manually clear an all-time LOW record, press and hold the “ ” button
for 2 seconds while viewing the record you wish to clear. Dashes display to
conrm you have cleared the record.
To manually clear an all-time HIGH record, press and hold the “ ” button
for 2 seconds while viewing the record you wish to clear. Dashes display to
conrm you have cleared the record.
Troubleshooting
No outdoor sensor
reception
no bars
If the wireless signal indicator shows no bars:
• Relocate the display unit and/or the outdoor sensor.
The units must be within 330 ft (100 m) of each other.
• Make sure both units are placed at least 3 feet (.9
m) away from electronics that may interfere with the
wireless communication (such as TVs, microwaves,
computers, etc).
• Use standard alkaline batteries (or lithium batteries in
sensor when temperature is below -4ºF/-20ºC). Do not
use heavy duty or rechargeable batteries. NOTE: It
may take up to 20 minutes for display unit and sensor
to synchronize after batteries are replaced.
Display screen
not working
• Check that the batteries are installed correctly.
Batteries may need to be replaced.
• Reset display by pressing the RESET button, located
on the back of the display unit. Date and time will
need to be entered after a reset.
Outdoor
temperature
is ashing or
showing dashes
Flashing of the outdoor temperature is generally an
indication of wireless interference.
1. Bring both the sensor and display unit indoors and
remove at least one battery from each.
2. Make sure the A-B-C switch on both units match.
3. Reinstall the battery in the outdoor sensor.
4. Reinstall the battery in the display unit.
5. Let the units sit within a couple feet of each other
for about 20 minutes to gain a strong connection.
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