What is it?

5 different kinds of display mode:

(1) only show time (2) only show the date (3) only show the temperature (4) only show voltage (5) time, temperature alternating display

1. Use DS1302 clock module to provide accurate time.You can set or adjust the time.When power off, time will go on because of CR927 backup battery,.
2. The module can be used as a voltmeter to measure voltage(the input voltage must be more than 7V).
3. The module can measure the temperature where it works.
4. This module small,exquisite and takes up little space. (Length:40 mm width:13 mm height:17 mm)
5. This module can display clearly in the bright place because of good digital tube.
6. With the function of 24 hours timing error correction settings.

Electrical Characteristics

1. Input voltage: 5V~18V
2. Input current: 0Ma~40mA
3. Voltage resolution: 29mV
4. Temperature resolution: 1℃
5. Measure the voltage range: 7V~10V
6. Measure the temperature resolution: -20℃~ 59℃
7. Voltage regulation accuracy range: -2.5 V ~ 2.5 V
8. The temperature precision adjustment range: - 5 ℃ ~ 5 ℃

Ⅲ. Functional Description

Function Key:

1. Press the key1, into the "minutes" Settings interface, and then press the key2, set values .

2. Press the key1,enter the time "the hours" set interface, then press the key2, set values

3. Press the key1, into the voltage regulation set interface, and then press the key2, set values .

4. Press the key1, into the setting of the temperature control interface, and then press the key2, set values .

5. Press key1, back to the clock display interface

6. Press the key2, displays the "day" and "month"

7. Press the key2, display the input voltage

8. Press the key2, display temperature

9. Press the key2, temperature display and switch between the clock display

10. Press the key2, back to the clock display interface

Functions

1) Time

2) Date

3) Voltage

4) Temperature

Ⅴ. Related Questions

Q1. Why sometimes voltage measurement, the measured value is wrong?

Answer: This is because the test voltage, the input voltage must be greater than or equal to 7 v.

Q2. Why when you measure the voltage and temperature change in value is slow?

Answer: This is because the measured voltage and temperature is 0.5 S read once, then displayed.

Q3. Why is the measuring temperature, numerical value is not very stable?

Answer: This is because the resolution of the temperature is 1 ℃, the temperature of the small changes may be numerical change together.