Velleman DVM68N, User Manual

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DVM68N VELLEMAN 8
4.3 AC Voltage
Range Resolution Accuracy
400mV 0.1mV ± (3.0% of rdg + 3 digits)
4V 1mV
40V 10mV
400V 100mV
± (0.8% of rdg + 3 digits)
750V 1V ± (1.0% of rdg + 2 digits)
Input impedance: 10M
Ω
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 Resolution Accuracy
400.0
Ω
0.1
Ω
4.000k
Ω
1
Ω
40.00k
Ω
10
Ω
400.0k
Ω
100
Ω
4.000M
Ω
1k
Ω
± (1.2% of rdg + 2 digits)
40.00M
Ω
10k
Ω
± (2.0% of rdg + 5 digits)
Overload protection: 250V DC or 150V AC rms
Open circuit voltage; approx. 250mV
4.5 Diode
Range Resolution Function
1mV
Display read approx. forward voltage
of diode
Forward DC current: approx. 1mA
Reversed DC voltage: approx. 1.5V
Overload protection: 250V DC or 150V AC rms
4.6 Audible Continuity
Range Continuity beeper
≤
50
Ω
Open circuit voltage: approx. 0.5V
Overload protection: 250V DC or 250V AC rms
4.7 Transistor
Range Description Test condition
hFE
Display read approx. hFE
value (0 ~ 1000) of transistor
under test (all types)
Base current approx. 10
µ
A, Vce
approx. 2.8V