15
0. 1
Ω
1) If the resistance of the
circuit to be tested is less
than50
Ω
,
buzzer attached to the
instrument may sound. If less than
10
Ω
, the buzzer must sound.
2) When the built-in buzzer
sounds and the indicator lights on,
when the measured resistance is
about40
Ω
~60
Ω
, the rightmost
two indicator lights; When the
measured resistance is less than
30
Ω
, the rightmost four lights will
be on. When the measured
resistance is not over 5
Ω
, all six
lights will be lit
- Open circuit voltage: about 1.0V
- Overload protection: 250V DC or AC (RMS)
3.2.10 Diode Test
Measuring
Range
Resolution
Function
0.001V
Display approximate
diode forward voltage
value
- Forward DC current is about 1mA
- Reverse DC voltage about 3.0V
- Overload protection: 250V DC or AC (RMS)
3.2.11 Transistor test
Measuring
Range
Description Test
Conditions