Chauvin Arnoux Metrix MTX 3292B, User Manual

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43
(

) with the fuse supplied with the device
(

)100A range limited to 20A
Specifications valid from 0% to 100% of the range
Limiting condition on the current
An overload of 20A is acceptable for 30 seconds max. with a pause of at least 5 minutes between measurements
.
AC and AC+DC TRMS current 8.4.
Range Input impedence Resolution Protection
Accuracy
45 Hz to
1 kHz
1 to 20 kHz
20 to
50 kHz
1000 μA 
170 Ω
10 nA
11 A
20 A < 30 s
0,5 % R
± 40 D
0,5 % R + 0,25
%
x [F(kHz) - 1] R
± 30 D
-
10 mA

17 Ω 0,1 μA
0,3 % R
± 30 D
0,3 % R + 0,1 %
x [F(kHz) - 1] R ± 30 D
100 mA

1,7 Ω
1 μA
0,3 % R
± 30 D
0,3 % R+ 0,1 %
x [F(kHz) - 1] R ± 30 D
1000 mA

0,17 Ω
10 μA
0,3 % R
± 30 D
0,3 % R + 0,1
%
x [F(kHz) - 1] R
± 30 D
- 10 A

0,03 Ω (

)
100 μA
0,4 % R
± 400 D
0,4 % R + 0,15
%
x [F(kHz) - 1] R
± 40 D
100 A (

)
1000 μA
2,5 % R
± 40 D
2,5 %R + 0,15
%
x [F(kHz) - 1] R
± 40 D
(

) with the fuse supplied with the device
(

) 100A range limited to 20A
In the presence of a DC component:
Additional error: (I
DC
/I measured)x(0.7% L + 70 D)
A max. overload of 20A is acceptable for 30 s max. with a pause of at least 5 min between measurements.
From 7A, the measurement is limited to an ambient temperature of 40°C and a period of 1h30m, with a pause of at least 15
minutes between measurements.
AUTO PEAK mode always activated.
Detection of peaks of which the duration exceeds 250µs
mA and µA range :
Additional error 2% for a peak factor between 2.5 and 3
Additional error 15% for a peak factor between 3 and 4
10 A range :
Zero up to the peak factor of 2.5 at 100%
Specifications valid from 10% to 100% of the range for a sinusoidal current.
Protection 1000 VRMS by HBC ceramic fuse
Fuse
1,000V, 11A >18kA Cos

>0.9 (10x38mm)
Voltage drop
:
in 1 mA Voltage drop approx. 160mVRMS
in 10 mA Voltage drop approx. 180mVRMS
in 100 mA Voltage drop approx. 180mVRMS
in 1000 mA Voltage drop approx. 210mVRMS
in 10 A Voltage drop approx. 300mVRMS
Frequency 8.5.
8.5.1. Main frequency measurement
The user can measure a voltage or a current and its frequency simultaneously.