BST-HYG3 Operation Manual
DIGITAL THERMO-HYGRO METER
1. Specification:
Temperature Range: indoor
-1
0℃～+50℃（+14℉～+122℉）
outdoor
-5
0℃～+90℃（-58℉～+194℉）
Indoor Humidity
Range:
20%RH～90%RH
（
When the humidity < 20%RH, display 10%RH directly.
）
Power-supply: 1.5V (AAA size) x 1
2. Characteristics:
simultaneous display of indoor temperature, outdoor temperature, indoor humidity
alert for outdoor high temperature and low temperature
changeable temperature unit:
℃/℉
Memorized MAX/MIN value of indoor and outdoor temperature displayed (flashing on LCD)
Display of comfort degree
appears @ indoor Temperature: 18
℃ ～
25
℃（
64
℉ ～
77
℉）
& Indoor Humidity:
40%RH
～
65%RH
appears @ other indoor Temperature & Indoor Humidity
3. Operation:
3-1. Open battery compartment cover, take out the polarity insulator, put on the cover, then
the meter starts to work.
3-2. BUTTON function:
[OUT MAX/MIN] press to display memorized MAX and MIN values of outdoor temperature
[IN MAX/MIN] press to display memorized MAX and MIN values of indoor temperature
[ALERT] press to set or exchange alert of outdoor high temperature and low temperature
[UP/+] increase the value of what is under setting;
switch ON/OFF temperature alert function
[DOWN/-] decrease the value of what is under setting
[
℃
/
℉
] change temperature unit between Celsius (
℃
) and Fahrenheit (
℉
)
3-3.Outdoor Temperature Alert setting:
Press ALERT button one time to enter outdoor high temperature (
) alert setting, press
[UP/+] button to switch ON/OFF alert function ( appears when the alert function is
switched ON), press ALERT button for 2 seconds to enter high temperature alert value
setting, press [UP/+]/[DOWN/-] button to set high temperature alert value (max 90
℃
).
press ALERT button one time again to enter outdoor low temperature (
) alert setting,
press [UP/+] button to switch ON/OFF alert function ( appears when the alert function is
switched ON), press ALERT button for 2 seconds to enter low temperature alert value
setting, press [UP/+]/[DOWN/-] button to set low temperature alert value (min -50
℃
).
Press ALERT button one time again to return to normal outdoor temperature display.
Note:
[1] When outdoor temperature surpasses the HIGH TEMPERATURE ALERT value, the ALERT
buzzer will sound for about 15 seconds, at the same time, the symbol
,
，
and present
outdoor temperature value flash, during 15-second alert, press any button to stop alert
buzzer sound and flash.
