Velleman DVM1090 Bedienungsanleitung PDF herunterladen (Seite 5)

DVM1090 GB 4

4.2.2. AC Voltage

Range Resolution Accuracy

200mV 0.1mV ±1.2% of rdg + 5 digits

2V 1mV ±1.0% of rdg + 5 digits

20V 10mV ±1.0% of rdg + 5 digits

200V 100mV ±1.0% of rdg + 5 digits

700V 1V ±1.2% of rdg + 5 digits

Input Impedance : 10MΩ

Overload Protection : 250V DC or rms AC for the 200mV-range, 1000V DC or 700V rms AC for the ranges 2V to

700V

Frequency Range : 40 to 400Hz

Response : average response, calibration in rms of a sine wave.

Max. Input Voltage : 700V rms AC

NOTE

Make sure the test leads are actually touching the circuit when performing measurements in the lower voltage

ranges. The reading will fluctuate if the leads don’t touch the circuit.

4.2.3. DC Current

Range Resolution Accuracy

2mA 1µA ±1.0% of rdg + 3 digits

20mA 10µA ±1.0% of rdg + 3 digits

200mA 100µA ±1.5% of rdg + 5 digits

10A 10mA ±2.0% of rdg + 10 digits

Overload Protection : F1 : F 200mA/250V fuse (quick-acting, max. resistance 2

Ω

) for the ranges 2 to 200mA, F2 : F

10A/250V fuse (quick-acting) for the 10A-range.

Max. Input Current : mA jack : 200mA, 10A jack : 10A

Voltage Drop : 200mV

4.2.4. AC Current

Range Resolution Accuracy

2mA 1µA ±1.2% of rdg + 5 digits

20mA 10µA ±1.2% of rdg + 5 digits

200mA 100µA ±2.0% of rdg + 5 digits

10A 10mA ±3.0% of rdg + 10 digits

Overload Protection : F1 : F 200mA/250V fuse (quick-acting, max. resistance 2Ω) for the ranges 2 to 200mA, F2 : F

10A/250V fuse (quick-acting) for the 10A-range.

Max. Input Current : mA jack : 200mA, 10A jack : 10A

Voltage Drop : 200mV

Frequency Range : 40 to 400HZ

Response : average response, calibration in rms of a sine wave.

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Velleman DVM1090 Bedienungsanleitung Seite 5