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600Hz
6kHz
60kHz
600kHz
6MHz
20MHz
5%
~
95%
0.1Hz
1Hz
10Hz
100Hz
1kHz
10kHz
0.10%
±(
0.1%+10)
SCR
hFE
10mV
10mV
1
β
0.5
~
0.8V
0.1
~
2V
Sensitivity: frequency<600KHz, amplitude>1.5Vrms or frequency>600kHz, amplitude>2.5Vrms,
minimum input>5Hz.
Duty ratio measurement only applicable for square wave
≤
10kHz.
2Vpp
≤
input amplitude
≤
30Vpp
Frequency
≤
1kHz, Duty: 5.0%~95.0%
Frequency>1kHz, Duty: 30.0%~70.0%
Only for reference
Range
Resolution
Accuracy
9.Frequency/ duty ratio
10.Diode/audion/thyristor/continuity
Function
Diode
SCR test
Audion hFE
Continuity
Position
Resolution
Accuracy
No specified
No specified
About 0.1
Ω
When measuring hFE, Ib0: about 10μA; Vce: about 2
.8V
When measuring diode, Silicon PN junction onset voltage drop: 0.5~0.8V, open status voltage: 8V
When measuring continuity, in good conducted circuit, resistance <10Ω, buzzer goes off;
in open circuit, resistance>30Ω, buzzer does not go off.
When measuring SCR, onset voltage drop: 0.1~2V; open circuit voltage: about 9V.
Содержание UT8803
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