Acu-Rite 972 Manual Do Utilizador

The main unit supports up to three wireless sensors. Each additional wireless sensor 
must be designated a different channel number. Assigning different channel numbers 
differentiate each sensors temperature and hygrometer readings for the main units’ 
display.

 

1) Open each sensor by removing the 4 screws and the cover.

 

2) Install batteries, see section 3.

 

3) Use the interior slide switch to select a channel – 1, 2, or 3.

 

4) Choose Celsius or Fahrenheit with the C/F button, for the sensor display.

 

5) With the “MODE” button choose what you want the sensor display to show: 

 

 

Temperature only,

 

 

Humidity only, or

 

 

Temperature and humidity, alternating.

 

6) Press the “TX” button to send a signal to the base station.

 

7) Replace the cover and the 4 screws.

 

8) Mount the sensor. See section 4 for placement of the wireless sensor unit. 

9 

8 

MEASUREMENT RANGE:
Indoor main unit   

: 

0º C to + 50º C (+32º F to +122º F)

Outdoor/Indoor humidity  : 

20% - 99% RH

Wireless sensor   

: 

-20º C to +70º C (-4º F to +158º F)

    with low-temp adaptor   : 

    -30º C to +70º C (-22ºF to +158º F) 

 

Barometer 

 

: 

900 to 1050 mb/hPa

Channel  

 

: 

maximum of three wireless sensors

Transmission  

 

: 

up to 30M (100 ft.) open area, RF434 MHz

Resolution 

 

: 

0.1º for temperature, 1% for humidity, 1 hPa 

mb for    

 

 

 

pressure

Clock 

 

 

:  

WWVB radio-controlled, quartz back-up  

Batteries 

 

: 

AA x 2 alkaline for main unit; AA x 2 alkaline 

for  

 

 

 

 

wireless sensor

Moon Phase:
The moon phase will automatically display based on the calender date. The moon phase 
display will scroll from left to right, and pause for about 5 seconds to display the current 
moon phase. NOTE: the moon phase will not be correct unless the date and year are 
programmed correctly.

Trend Indicators:
Arrow icons in the upper display will indicate the following trends:
                     

 

 

 

 

 

 

 

 

 

The arrow icons will indicate rising, steady or falling if the temperature or humidity 
change is more than 1 unit (degree/percent) within an hour.

SETTING THE ALARM:
 

1) Hold “ALARM” for 3 seconds.

 

2) The hour number(s) flash. Press “+” or “-” to enter the desired hour. Press  

 

“ALARM” to confirm the hour setting.

 

3) The minute number(s) flash. Press “+” or “-” to enter the desired minute.  

  

Press “ALARM” to confirm the minute setting.

To view the alarm time, press the “ALARM” button during the normal operating mode. 
Alarm time will display for five seconds. Then, the current time is displayed. 

To Turn the Alarm On and Off: Press the “+” button during the normal operating 
mode. The bell (alarm) icon will show if the alarm is set and activated.

To Turn off the Alarm for One Day: To turn the alarm off for one day, press the 
“ALARM” button when the alarm sounds

Snooze/Light:
 When the alarm sounds, press the “SNOOZE/LIGHT” button to trigger the snooze 
feature. The alarm is silenced for five minutes. Then, it will sound an alarm again.
The “SNOOOZE/LIGHT” button also activates the built-in backlight for 5 seconds.

MIN / MAX MEMORY:
Press the “MEMORY” button to view the maximum values (Inside/Outside Tempera-
ture and Humidity) for 5 seconds. Press the “MEMORY” button again to view the 
minimum memory.