1、Instrument Introduction:
The VT54 is a special instrument for measuring voltage,The range is 1-5V;
Test speed is super fast, high precision, and can set the range, sound and light alarm.
By setting the range, quickly test whether the voltage is within the range, and give an alarm.
(Note: during the test, the positive and negative electrodes should be connected correctly. If the connection is reversed, the instrument will not start the test.)
2、Instrument Features:
1. The digital tube of the instrument displays 5 digits (4 digits after the decimal point), with high precision and fast testing speed;
2. The voltage range can be set to sound and light alarm .
(the range can be set to 4 digits after the decimal point);
3. Red and green indicator light and sound, 5 modes can be set.
3.1、No sound prompt, green light if qualified, red light if unqualified.
3.2、If it is qualified, continuous sound;the green light will be on; Unqualified, no sound;red light will be on;
3.3、If it is qualified, short sound and the green light will be on; Unqualified, no sound,;red light will be on;
3.4、If it is qualified, no sound,the green light will be on;
Unqualified, continuous sound ;red light will be on;
3.5、If it is qualified, no sound,the green light will be on;
Unqualified, short sound ;red light will be on;
4. 5V power adapter plug power supply; or 5V power bank power supply, Easy to carry out for testing
