Metrix MX 553, Operating Instructions Manual

Page: 30 / 65

Chapter II
Benchtop multimeter
26
5.5. Resistance / Continuity
Ranges Accuracy Measurement
current
Protection* Resolution
500
Ω/€
0.1% R + 5 D 1 mA 600 V
RMS
10 m
Ω
5 k
Ω
0.1% R + 3 D 100 µA 600 V
RMS
100 m
Ω
50 k
Ω
0.1% R + 3 D 10 µA 600 V
RMS
1
Ω
500 k
Ω
0.1% R + 3 D 1 µA 600 V
RMS
10
Ω
5 M
Ω∗∗
0.3% R + 3 D 100 nA 600 V
RMS
100
Ω
50 M
Ω∗∗
1% R + 3 D 10 nA 600 V
RMS
1 k
Ω
* Overload protection can be reset automatically.
**It is highly recommended to use very short and shielded test leads for measurements in
this range (>1M
Ω).
When performing resistance measurements, connect the COM terminal to the earth.
Number of points: 50 000 (or 5 000 - refer to § 3.3.)
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 capacitors before taking measurements.
Ranges Accuracy Measurement
current
Max measurement
time
Protection* Resolution
50 nF** 1.5% R + 2 D 100 nA 0.5 s 600 V
RMS
10 pF
500 nF 1% R + 2 D 1 µA 0.5 s 600 V
RMS
100 pF
5 µF 1% R + 2 D 10 µA 0.5 s 600 V
RMS
1 nF
50 µF 1% R + 2 D 100 µA 0.5 s 600 V
RMS
10 nF
500 µF 1% R + 2 D 1 mA 1.5 s 600 V
RMS
100 nF
5 000µF 2% R + 2 D 1 mA 3 s/mF 600 V
RMS
1 µF
50 mF 2% 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 points: 5 000
Range selection: Automatic or manual
Maximum open circuit voltage: 7 V
5.7. Diode threshold voltage measurement
Measurable voltages: 0 to 2 V
Measurement current: 1 mA ± 20%
Resolution: 1 mV
Protection: 600 V
RMS
, can be reset automatically