original XH-B115 High Low Voltage Alarm Digital Voltage Meter DC 4-50V Upper and Lower Limit Alarm Real-time Display Current

1.Description:

Alarm voltmeter is used to test voltage in current and alarm when voltage higher than the setting value or lower then the setting value.

2. Features:

1>. The upper/Lower limit voltage can be adjusted.

2>. Real-time display of current voltage value.

3>. Power off memory function.

4>. Real-time monitoring of the measured voltage.

5>. The measured voltage provides power and no additional operating power is required.

6>. High precision,error range 0.1V.

7>. Three digital tube display.

8>. Voltage alarm.

9>. Support battery and power adapter.

3. Parameters :

4. Key Description:

1. . Query upper(lower) limit voltage.It will display upper(lower) limit voltage after short press key+(key-).
2. . Enter setting mode for upper(lower) limit voltage.It will enter setting mode after long press key+(key-).It will display current upper(lower) limit voltage and the display screen flashes.And then adjust upper(lower) limit voltage by ‘key +’ and ‘key -’. It will save automatically after 5second.
3. Long press is for 3 second.
4. Save automatically is for 5second.

5. Use manual:

1>. It will display current voltage after power on.The buzzer will alarm If the current voltage is out of setting range(default 4.0V-50V).

2>. Short press ‘key +’ to display upper limit voltage for 5second.

3>. Short press ‘key -’ to display lower limit voltage for 5second.

4>. Long press ‘key +’ to setting the upper limit voltage.Set value by short press ‘key+’ and ‘key-’.It will save automatically after 5second.

5>. Long press ‘key -’ to setting the lower limit voltage.Set value by short press ‘key+’ and ‘key-’.It will save automatically after 5second.

6>. Alarm If the test voltage is not within the setting range.

6. Application:

1>. Car

2>. Electric car

3>. Model aircraft

4>. Robot

5>. Medical instruments

6>. Industrial factory

7>. Appliance

8>. Smart home

7. Frequency asked questions:

1>. Why the buzzer sounds sometimes when the power is turned on in the value of set range?

Q : Poor contact,Please reconnect the power.

2>. Is it possible to save the settings after the power is turned off?

Q : Yes,it will save setting automatically.

3>. Can it be use for battery?

Q : Yes,it can,but the voltage must be 4.0V-45V.

8. Illustration: