Chapter II
Portable digital multimeter
32
Curve showing typical measurement error (5 V, 50 V, 500 V ranges)
1000 pts
1 kHz
10 kHz
100 kHz
Vin = 100 % F.S.
Vin = 50 % F.S.
Vin = 15 % F.S.
50000 pts
25000 pts
7500 pts
2500 pts
1%
5%
10%
2%
Vin = 5 % F.S.
5.3. DC current
Selector
switch
position
Ranges Accuracy
Max
voltage
drop
Protection Fuses* Resolution
500 µA 0.2%R + 5 D 700 mV 600 V
RMS
F1 + F2 10 nA
µA mA 5 mA 0.2%R + 2 D 700 mV 600 V
RMS
F1 + F2 100 nA
50 mA 0.05%R+2 D 700 mV 600 V
RMS
F1 + F2 1 µA
500 mA 0.2%R + 2 D 1.5 V 600 V
RMS
F1 + F2 10 µA
10 A 10 A 0.5%R+ 5 D 500 mV 600 V
RMS
F2 1 mA
* Refer to fuse specifications, § 6.1.1.
Number of points : 50 000 (or 5 000 - refer to § 3.4.)
Range selection : automatic or manual for the 500 µA, 5 mA, 50 mA, 500 mA ranges
Additional error in Pk +/- mode for a pulse width of ≥ 1 ms : 1 % R ± 50 D
For measurements performed on alternative signals, the selected range must tally with the
max. value of the signal peak.
5.4. AC currents (AC and AC+DC)
Ranges Accuracy Protection Fuses* Resolution Max. Crest
40 Hz to 5 kHz
5 % to 100 % of range
500 µA 0.75 % R + 30 D 600 V
RMS
F1 + F2 10 nA 1 mA
5 mA 0.6 % R + 30 D 600 V
RMS
F1 + F2 100 nA 10 mA
50 mA 600 V
RMS
F1 + F2 1 µA 100 mA
500 mA 0.7 % R + 30 D 600 V
RMS
F1 + F2 10 µA 1 A
10 A 1% R + 30 D up to 2 kHz 600 V
RMS
F2 1 mA
* Refer to fuse specifications, § 6.1.1.
Number of points : 50 000 (or 5 000 - refer to § 3.4.)
Range selection : automatic or manual for the 500 µA, 5 mA, 50 mA, 500 mA ranges
To Next Page
Loading...
