Before using a multimeter for standard symbols
1.1 international electrical symbols
The security level of 1.2 standard
Understand the multimeter terminal with the display
2.1 terminal
2.2 screen
Choose a different measure range
3.1
3.2
3.3
3.4
3.5
3.6
Measuring temperature, can choose 17 b +
3.7
Measure the frequency and duty ratio, can choose b + 17 or 18 + b
3.8
Measurement of light-emitting diode LED, can choose 18 b +
