Capacitance; Diode Threshold Voltage Measurement; Frequencies; Duty Cycle - Metrix MX 58HD Manual De Instrucciones

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Chapter II
5.6.

Capacitance

Note
Discharge all capacitors before taking measurements.
Ranges
Accuracy
50 nF∗∗
500 nF
1% R + 2D
5 µF
50 µF
500 µF
5000µF
2% R + 2D
50 mF
∗ 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 count :
Range selection :
Maximum open circuit voltage :
5.7.

Diode threshold voltage measurement

Measurable voltages :
Measurement current :
Resolution :
Protection :
5.8.

Frequencies

Selector switch setting :
Measurement range :
Accuracy :
Protection :
Display :
Range
0.62 Hz to 5 kHz
5 kHz to 50 kHz
50 kHz to 500 kHz
∗ Rectangular signals
5.9.

Duty cycle %+, %-

θ
θ
x 100
% + =
T
T
Resolution : 0.01 %
Min. duration for θ or T-θ : 2 µs
Max. duration for T : 0.8 s
Min. duration for T : 100 µs
Portable digital multimeter
Measurement
Max measurement
current
time
100 nA
1 µA
0.5 s
10 µA
100 µA
1.5 s
1 mA
3 s/mF
3 s/mF
5000
automatic or manual
7 V
0 to 2 V
1 mA typical
1 mV
600 V
, can be reset automatically
RMS
V
+ SEL/ON
AC
0.62 Hz to 500 kHz
0.03 %
600 V
RMS
50.000 count
Sensitivity
5 V to 500 V
2 % of range
5 % of range
10 % of range
θ
θ
x 100
% - =
T
T
. 3
10
Absolute error as a % :
T
Sensitivity : see frequency measurement mode
Absolute additional error on θ, due to the zero crossing slope :
C
0.1 x
P
with C : range in V (C = 5000 V for 600V
with P : slope in V/s
Protection∗
Resolution
10 pF
100 pF
1 nF
600 V
10 nF
RMS
100 nF
1 µF
10 µF
600 V
100 V
250 V
////////////////
4
or 600 V
ranges)
DC
AC
29

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