Velleman DVM1090 User Manual - page 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
: 10M
Ω
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 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
Frequency Range : 40 to 400HZ
Response
: average response, calibration in rms of a sine wave.