Dc103 Indoor and Outdoor Thermometer Hygrometer with Clock Function Portable Hygrometer with Probe Frost Report

First, the basic function

Indoor/outdoor temperature and indoor humidity display

Temperature switching display

Maximum/minimum temperature and humidity memory function

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

Comfort display

Comfort range: When the indoor temperature is 20℃ ~ 25℃(68 ℃ ~ 77 ℃) and the indoor humidity is 40% RH ~ 70% RH; When the humidity range is greater than 70% RH, it is displayed:; when the humidity range is less than 40% RH:;

When the temperature is greater than 25℃(77 ℃) or less than 20℃(68 ℃) and the humidity is between 40% RH and 70% RH, no icon is displayed.

Two, operating method

1. 1. Open the battery cover, take out the battery, distinguish the positive and negative poles (the positive pole faces up), and install the battery and battery cover back. The machine can be used.
2. 2. Key function:

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

The unit of switching temperature is displayed in degrees Celsius (degrees Celsius) or degrees Celsius (degrees Celsius);

[CLEAR] CLEAR the maximum/minimum memory value;

[FREEZE ALT] Frost point alarm switch;

1. 3. Press the [FREEZE ALT] Key for 2 seconds to turn on (yes)/turn off (no) Frost point alarm function.
2. 4. Press the [MAX/MIN] key. When MAX appears on the screen, press [CLEAR] once to CLEAR the maximum value. Press the [MAX/MIN] key. When MIN appears on the screen, press [CLEAR] once to CLEAR the minimum value.

Three, pay attention to matters

1 * if the machine has any defects, please take out the battery for about 2 seconds and reinstall it.

2 * Please put the battery back to the place designated by the government after using it.

3 * technical changes are subject to no prior notice.

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