Audible Continuity - Velleman DVM68N Manual Del Usuario

4.3 AC Voltage
Range
400mV
4V
40V
400V
750V
Input impedance: 10M
Max. input voltage: 1000V DC or 750V AC rms
Frequency range: 40Hz ~ 200Hz for 4V range, 40Hz ~ 1kHz for other ranges
Response: average, calibrated in rms of sine wave
4.4 Resistance
Range
400.0
4.000k
40.00k
400.0k
4.000M
40.00M
Overload protection: 250V DC or 150V AC rms
Open circuit voltage; approx. 250mV
4.5 Diode
Range
Forward DC current: approx. 1mA
Reversed DC voltage: approx. 1.5V
Overload protection: 250V DC or 150V AC rms

4.6 Audible Continuity

Range
Open circuit voltage: approx. 0.5V
Overload protection: 250V DC or 250V AC rms
4.7 Transistor
Range
hFE
DVM68N
Resolution
0.1mV
1mV
10mV
100mV
1V
Resolution
0.1
1
10
100
1k
10k
Resolution
1mV
Description
Display read approx. hFE
value (0 ~ 1000) of transistor
under test (all types)
Accuracy
± (3.0% of rdg + 3 digits)
± (0.8% of rdg + 3 digits)
± (1.0% of rdg + 2 digits)
Accuracy
± (1.2% of rdg + 2 digits)
± (2.0% of rdg + 5 digits)
Function
Display read approx. forward voltage
of diode
Continuity beeper
≤ 50
Test condition
Base current approx. 10µA, Vce
approx. 2.8V
8 VELLEMAN