Chapter II
5.2.4.
Alternating current
(MX 650 automatic ranges)
Range
Meas. range
Frequency
40 A
0.05 to 39.99 A
50...500 Hz
500...1000 Hz
400 A
40.0 to 400.0 A
50...500 Hz
500...1000 Hz
1000 A
400 to 1000 A
50...500 Hz
500...1000 Hz
Protection against overloads: 1000 A
(in 40 A range) and 1500 Arms (in 400 A and 1000 A ranges)
(MX 655)
Range
Meas. range
Frequency
40 A
0.05 to 39.99 A
50...60 Hz
60...500 Hz
500...1000 Hz
400 A*
40.0 to 400.0 A
50...60 Hz
60...500 Hz
500...1000 Hz
1000 A* 400 to 1000 A
50...60 Hz
60...500 Hz
500...1000 Hz
Protection against overloads: 1200 A
*Position
A on the switch corresponds to the two automatic
calibres, 400 A~ and 1000 A~.
Resistance (Ω Ω Ω Ω ) (automatic ranges)
5.2.5.
Range
Meas. range
Resolution
Ω
Ω
400
0.2 to 399.9
0,1
Ω
Ω
4000
400 to 4000
1
Protection against overloads: 600 Vrms
Continuity detection threshold: R < 75 Ω ± 25 Ω.
5.2.6.
Diode
Test current
0.6 mA
MX 650
max 1.7 mA
MX 655
Protection against overloads: 600 Vrms
5.2.7.
Frequency Hz (automatic ranges)
•
For current
Range
Meas. range
Resol.
4000 Hz
20 to 3999 Hz
1 Hz
10 kHz
4 to 10 kHz
10 Hz
•
For voltage
Range
Meas. range
Resol.
4000 Hz
10 to 3999 Hz
1 Hz
10 kHz
4.00 to 10.00 kHz 10 Hz 0.1% L + 1 ct
5.3. Safety
IEC 61010-1 Ed.95 and IEC 61010-2-032 Ed.93:
- Insulation:
class II
- Pollution level:
2
- Altitude:
< 2000 m
- Installation category:
CAT III 600 V
MX 650 / MX 655
Resol.
Accuracy
0.01 A
ct
1.9% L + 5
ct
3% L + 5
0.1 A
ct
1.9% L + 5
ct
3% L + 5
1 A
ct
1.9% L + 5
ct
3% L + 5
RMS
Resol.
Accuracy
0.01 A
ct
1.9% L + 5
ct
2.5% L + 5
ct
3.5% L + 5
0.1 A
ct
1.9% L + 5
ct
2.5% L + 5
3.5% L + 5
ct
1 A
ct
1.9% L + 5
2.5% L + 5 ct
3.5% L + 5
ct
RMS
Accuracy
Ω
1%L + 3 ct
Ω
1%L + 2 ct
Open circuit voltage
max .3 V
max 6 V
Accuracy
Sensitivity
0.1% L + 1 ct 2 A
RMS
0.1% L + 1 ct 5 A
RMS
Accuracy
Sensitivity
0.1% L + 1 ct
5 Vrms
10 Vrms
29