CHAUVIN ARNOUX CA-MN77 [10/16] Oscilloscope clamp for ac current model mn60
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CHAUVIN ARNOUX CA-MN77 [10/16] Oscilloscope clamp for ac current model mn60

CHAUVIN ARNOUX CA-MN77 [10/16] Oscilloscope clamp for ac current model mn60
Serie MN
Non-contractual document
906131102B - Ed 1
2.08 (1/4)
MN series
Oscilloscope clamp for AC current
Model MN60
(insulated AC current probe)
DESCRIPTION
This 200 A AC clamp enables easy display and measurement of “current”
curves. It fi ts any oscilloscope since it has a coaxial lead with BNC plug.
It produces a mV signal directly proportional to current. It offers 2 different
sensitivities.
ELECTRICAL SPECIFICATIONS
•
Current range:
0.1 AAC .. 20 AAC (60 A peak)
0.5 AAC .. 200 AAC (600 A peak)
•
Output signal:
100 mV AC / AAC (2 V for 20 A)
10 mV AC / AAC (2 V for 200 A)
•
Accuracy and phase shift
(1)
:
Calibre 20 A 200 A
Primary current 0.1 A .. 20 A 0.5 A .. 10 A 10 A .. 40 A 40 A .. 100 A 100 A .. 240 A
% Accuracy
of output signal
≤2 % + 50 mV ≤3.5 % + 5 mV ≤3 % + 5 mV ≤2.5 % + 5 mV ≤1.5 % + 5 mV
Phase shift not specified not specified ≤6° ≤4° ≤3°
•
Bandwidth:
40 Hz .. 40 kHz (-3 dB) (depending on current
value)
•
Rise/fall time from 10 % to 90 %:
■
20 A calibre: 7.4 µs
■
200 A calibre: 8.7 µs
•
10 % delay time:
0.1 µs
•
Ampere second product:
■
20 A calibre: 25 A.s
■
200 A calibre: 2 A.s
•
Insertion impedance (at 400 Hz / 10 kHz)
■
20 A calibre: < 0.3 mΩ / < 7.2 mΩ
■
200 A calibre: < 1 mΩ / < 26 mΩ
•
Maximum currents:
200 A continuous for a frequency ≤ 3 kHz
(limitation proportional to inverse of one third of
frequency beyond)
•
Infl uence of temperature:
≤ 150 ppm /k or 0.15 % of output signal per 10 °K
•
Infl uence of relative humidity:
< 0.2 % of output signal
•
Infl uence of adjacent conductor:
≤15 mA / A at 50 Hz
•
Infl uence of DC current < 10 % of rated calibre
superimposed on the rated current:
■
20 A calibre:
For I DC < 2 A: influence < 0.5 %
■
200 A calibre:
For I DC < 20 A: influence < 5 %
•
Infl uence of conductor position in jaws:
≤0.5 % of output signal at 50/60 Hz
•
Infl uence of frequency
(2)
:
■
20 A calibre:
<10 % of output signal from 40 Hz .. 1kHz
<15 % of output signal from 1 kHz .. 10 kHz
■
200 A calibre:
<3 % of output signal from 40 Hz .. 1 kHz
<12 % of output signal from 1 kHz .. 10 kHz
•
Infl uence of crest factor:
<3 % of output signal for a crest factor of 3 and
current of 200 A
RMS
MECHANICAL SPECIFICATIONS
•
Operating temperature:
-10 °C to +55 °C
•
Storage temperature:
-40 °C to +70 °C
•
Relative humidity for operation:
0 to 85% RH decreasing linearly above 35 °C
•
Operating altitude:
0 to 2,000 m
•
Max. jaw opening:
20mm
•
Clamping capacity:
Cable: Ø max 20mm
Busbar: 1 busbar of 20 x 5mm
•
Casing protection rating:
IP40 (IEC529)
•
Drop test:
1 m (IEC68-2-32)
•
Shock resistance:
100 g / 6 ms / half-periode (IEC68-2-27)
•
Protection against impacts:
IK04 0.5 J (EN 50102)
•
Vibration resistance:
10 / 55/10 Hz, 0.15mm (IEC68-2-6)
•
Self-extinguishing capability:
Casing: UL94 V2
Jaws: UL94 V0
•
Dimensions:
128 x 49 x 28mm
•
Weight:
180 g
•
Colours:
Dark grey case with red jaws
•
Output:
Coaxial cable 2 m long, terminated by an insulated
BNC connector
SAFETY SPECIFICATIONS
•
Electrical safety:
Instrument with double insulation or reinforced
insulation between the primary, the secondary and
the grippable part located under the guard as per
IEC 1010-1 & IEC 1010-2-032
- 600V category III, pollution degree 2
- 300V category IV, pollution degree 2
•
Electromagnetic compatibility (EMC):
EN50081-1: classB
EN50082-2:
- Electrostatic discharge: IEC1000-4-2
4kV level 2 performance criterion B
8 kV in the air level 3 performance criterion B
- Radiated field: IEC1000-4-3
10 V/m performance criterionA
- Fast transients: IEC1000-4-4
1 kV level 2 performance criterion B
2 kV level 3 performance criterion B
- Magnetic field at 50/60 Hz: IEC1000-4-8
field of 400 A/m at 50 Hz: < 1 A
Current
60 A peak 600 A peak
Output
100 mV / A 10 mV / A

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