Datasheet

Serie MN
Non-contractual document
906131102B - Ed 1
2.10 (1/1)
MN series
Current clamp for AC current
Model MN73
(1) Conditions of reference: 23 °C ± 3 °K, 20 % to 75 % RH, sinusoidal signal with frequency of 48 Hz to 65 Hz, external magnetic fi eld <40A/m,
no DC components, no external conductor with circulating current, conductor centred for measurement, load impedance > 1 MΩ.
(2) Out of reference domain
ELECTRICAL SPECIFICATIONS
•
Current calibres:
0.01 AAC .. 2.4 AAC
0.1 AAC .. 240 AAC
•
Output signal:
1,000 mV AC / AAC (2 V for 2 A)
10 mV AC / AAC (2.4 V for 240 A)
•
Accuracy and phase shift
(1)
:
Calibre 2 A 200 A
Primary current 0.01 A .. 0.1 A 0.1 A .. 1 A 1 A .. 2 A 2 A .. 2.4 A 0.1 A .. 1 A 1 A .. 20 A 20 A .. 80 A 80 A .. 150 A 150 A .. 200 A
% Accuracy of output signal ≤5 % + 2 mV ≤3 % + 1 mV ≤1 % ≤1 % ≤3 % + 200 µV ≤2 % + 200 µV ≤1 % ≤4 % ≤10 %
Phase shift not specified not specified ≤3° ≤2° ≤3° ≤4°
•
Bandwidth:
40 Hz .. 10 kHz
•
Crest factor:
5 for a current of 280 A peak (200A
RMS
)
•
Maximum currents:
200 A continuous for a frequency ≤ 1 kHz
(limitation proportional to the inverse frequency
beyond)
•
Load impedance:
> 1 MΩ
•
Operating voltage:
600V
RMS
•
Common mode voltage:
600 V category III and pollution degree 2
•
Infl uence of adjacent conductor:
≤15 mA / A at 50 Hz
•
Infl uence of conductor position in jaws:
≤0.5 % of output signal at 50/60 Hz
•
Infl uence of frequency
(2)
:
■
Calibre 2 A:
<10 % of output signal from 40Hz .. 10 kHz
■
200 A calibre:
<5 % of output signal from 40 Hz .. 1 kHz**
<15 % of output signal from 1 kHz .. 10 kHz
** add 10 % error if 100 A <I
Primary
<200 A
•
Infl uence of crest factor:
< 5 % of output signal for crest factor < 5 with
current <280 A
RMS
MECHANICAL SPECIFICATIONS
•
Operating temperature:
-10 °C to +55 °C
•
Storage temperature:
-40 °C to +70 °C
•
Infl uence of temperature:
≤0.20 % of output signal per 10 °K
•
Relative humidity for operation:
0 to 85% RH decreasing linearly above 35 °C
•
Infl uence of relative humidity:
<0.2 % of output signal from 10% to 85% RH
•
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 (IEC68-2-27)
•
Vibration resistance:
10 / 55/10 Hz, 0.15mm (IEC68-2-6)
•
Self-extinguishing capability:
Casing: UL94 V2
Jaws: UL94 V0
•
Dimensions:
135 x 51 x 30mm
•
Weight:
180 g
•
Colours:
Dark grey case with red jaws
•
Output:
1.5 m two-wire lead with double or reinforced
insulation terminated by 2 elbowed male safety
plugs (4 mm)
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
- Radiated field: IEC1000-4-3
- Fast transients: IEC1000-4-4
- Magnetic field at 50 Hz: IEC1000-4-8
DESCRIPTION
This clamp has a wide measurement range (up to
200 A), and it can also measure very low currents.
We call it the “universal” probe.
Current
2 AAC 200 AAC
Output
1,000 mV / A 10 mV / A
To order Reference
AC current clamp model MN73 with operating manual P01120421
Accessory: AN1 artificial neutral box
(see capter 12) P01197201