Chapter II
Portable digital multimeter 33
Number of counts : 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 according to crest factor : 0.2 % for a crest factor of 2 to 3
0.5 % for a crest factor of 3 to 6
(Specification given full scale for a squarewave signal pulse 200 µs wide)
Additional error in I
AC+DC with a direct current at input : 1 %
5.5. Resistance / Continuity
Ranges Accuracy
Measurement
current
Protection∗
Resolut
ion
500 Ω /
0.07% R + 5 D
1 mA
10 mΩ
5 kΩ
100 µA
100 mΩ
50 kΩ
10 µA
1 Ω
500 kΩ
0.07% R + 2 D
1 µA
10 Ω
5 MΩ∗∗
0.3% R + 2 D 100 nA
100 Ω
50 MΩ∗∗
1% R + 2 D 50 nA
600 V
RMS
1 kΩ
∗ Overload protection can be reset automatically.
∗∗ It is highly recommended to use very short and shielded test leads for measurements in this
range (> 1 MΩ).
Number of counts : 50 000 (or 5 000, refer to §. 3.4.)
Range selection : automatic or manual (fixed in continuity mode)
Maximum open circuit voltage : 7 V
Detection threshold in continuity mode : 10 Ω to 20 Ω
Response time in continuity mode : 1 ms
5.6. Capacitance
)
Note Discharge all condensers before taking measurements.
Ranges Accuracy
Measurement
current
Max.
measurement
time
Protection∗
Resolution
50 nF∗∗
100 nA 10 pF
500 nF 1 µA 100 pF
5 µF 10 µA 1 nF
50 µF 100 µA
0.5 s
10 nF
500 µF 1.5 s 100 nF
5000 µF 1 µF
50 mF
1% R + 2 D
1 mA
3 s/mF
600 V
RMS
10 µF
∗ Overload protection can be reset automatically.
∗∗ It is highly recommended to use very short and shielded test leads for measurements in this
range.
Number of counts : 5 000
Range selection : automatic or manual
Maximum open circuit voltage : 7 V