YSJ-1819 Electronic Temperature And Hygrometer

Ⅰ、 Technical specifications

1. Temperature range: -10 ℃ ~ 70 ℃ (-14 ℉ ~ 158 ℉)
2. Humidity range: 20% RH ~ 90% RH
3. Temperature resolution: 1℃
4. Humidity resolution: 1%
5. Temperature deviation: ± 1℃
6. Humidity deviation: ± 5%
7. Using the battery: AAA 1.5V
8. Size (circular): Ф 91mm
9. Working environment: temperature 0 ~ 50.0 ℃, relative humidity ≤ 85% RH, no corrosion, no strong electric radiation.

Ⅱ、 The basic functions:

1. Celsius / Fahrenheit switching display

2. the highest / lowest temperature humidity memory function

3. 24-hour clock

4. daily alarm clock function

5. calendar display function

6. 8 minutes snooze function

Ⅲ、 The button function:

MODE button:

1. Press once to switch the display time/date. If the date is displayed on the general interface, it will automatically switch to the display time interface after 8 seconds. The initial time is 12:00 noon in the 24-hour system, and the initial date is 01, 01 month;

2. Press and hold for 2 seconds to enter the time setting state, set the hour, minute, month, and day, and automatically exit the setting interface if there is no button for 8 seconds during setting.

SET button:

Press to switch from the time/date interface to the ALM interface, press and hold for 2 seconds to set the hour and minute of the alarm, as long as there is a setting, the alarm will be turned on

SNOOZE key:

When the snooze (Zz) is turned on, if the alarm sounds, press the SNOOZE button to turn on the snooze function (snooze time is 8 minutes, the number of snoozes is unlimited, the snooze alarm time is 1 minute; the alarm sounds The alarm sign flashes with Zz when it is time, and only Zz flashes while waiting for snooze).

ALARM button:

1. Increase the value when setting time, date, and ALM, and hold down the key to have a fast upward adjustment function;

2. On the time/date interface, set the alarm and snooze function on/off, set in the following order: alarm→alarm, snooze (Zz) simultaneously ON→alarm, snooze simultaneously OFF (cycle switch )

℃/℉ key:

On the interface displaying time, press to switch ℃/℉;

MAX/MIN key:

Press MAX/MIN once to display the highest temperature and relative humidity display mode. Press MAX/MIN again to display the lowest temperature and relative humidity display mode. Press MAX/MIN again to return to the current temperature and relative humidity display mode. In MAX or MIN display mode, if there is no key for 8 seconds, it will automatically return to the current temperature and relative humidity display mode.