DC103 indoor outdoor thermometer

 

 

First, the &nbsp product specification

Temperature measuring range:

Fee: -10℃~+50℃ (+14℉~122℉)

Outdoor: -50℃~+70℃ ( -58℉~+158℉)

Humidity measuring range: 20%RH~90%RH

Using battery: 1.5V (AG13) X1

Second,   basic functions

Indoor/outdoor temperature and indoor humidity display

℃/℉ Temperature switch display

Maximum/minimum temperature and humidity memory

Frost alarm [ -1℃~+4℃ (+30.2℉~+39.2℉)]

Comfort display

Comfort range: when the room temperature is 20℃~25℃ (68℉~77℉) and displayed when indoor humidity 40%RH~70%RH; humidity display when the range is larger than 70%RH:  ; displayed when the humidity is less than 40%RH:  ;

When the temperature is greater than 25 deg c (77℉) or less than 20 c (68℉) and humidity at the time of 40%RH~70%RH, no icon is displayed.

Third, the &nbsp operation method

1. 1.   open the battery cover, remove the battery, the distinction between positive and negative (positive upwards), replace the battery and battery cover, the machine is ready to use.
2. 2.   key functions:

[MAX/MIN] displays the indoor temperature, humidity and outdoor temperature maximum (MAX), minimum (MIN) of memory;

[℃/℉] To switch the temperature unit c (degrees Celsius) or ºf (Fahrenheit) display;

[CLEAR] memory clear maximum/minimum value;

[FREEZE ALT] Frost point alarm switch;

1. 3. &nbsp press [FREEZE ALT] key for 2 seconds, open ( )/off (no  ) or frost point alarm function.
2. 4.   press the [MAX/MIN] button, and when MAX, appears on the screen, press [CLEAR], you can clear the maximum values according to [MAX/MIN], when when the MIN appears on the screen, press [CLEAR], you can clear the minimum value.