Velleman DVM990BL Operations Instructions download pdf (Page 8)

DVM990BL VELLEMAN 7

NOTE:

With the 200 Mohm range, if the input is short circuited, the display will

read 1Mohm. This 1Mohm should be subtracted from the measured

results.

3.2.6. Capacitance

Range Resolution Accuracy (% reading + digits)

2nF 1pF ± (4.0% of rdg + 3 digits)

20nF 10pF ± (4.0% of rdg + 3 digits)

200nF 0.1nF ± (4.0% of rdg + 3 digits)

2µF 1nF ± (4.0% of rdg + 3 digits)

20µF 10nF ± (4.0% of rdg + 3 digits)

Overload Protection: 250V DC or rms AC

3.2.7. Diode

Range Resolution Function

1mV Display: reads approximate

forward voltage of diode

Overload Protection: 250V DC or rms AC

Forward DC current: approximate 1mA

Reverse DC voltage: approximate 2.8V

3.2.6. Continuity

Range Function

Built-in buzzer will sound, if resistance is less

than 70 ohms

Overload Protection: 250V DC or rms AC

Open circuit voltage: approximate 2.8V

3.2.9. Frequency

Range Resolution Accuracy (% reading + digits)

20kHz 10Hz ± (1.5% of rdg + 10 digits)

Overload Protection: 250V DC or rms AC

Sensitivity: 200mV rms and input no more 10V rms

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Velleman DVM990BL Operations Instructions Page 8