Chauvin Arnoux Metrix MTX 3292B, Руководство пользователя

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- serial mode:> 60dB at 50Hz and 60Hz
-
Automatic or manual selection of the ranges
- Protection by varistors
AC and AC+DC voltage 8.2.
With this function, the user can measure the true RMS (TRMS) value of an AC voltage with its DC component (no capacitive
coupling) or without its DC component.
The 100mV range is available only in Manual mode, by
In the V
AC
& V
AC+DC
modes and for signals >1kHz, the range of uncertainty displayed is given for information only: we
recommend using the formulas below.
V
LowZ
: The error should be slightly greater than the error in VAC.
8.2.1. MTX 3292B
Range Input impedence Resolution
Accuracy
45 Hz to 1 kHz 1 to 100 kHz
100 mV (

)
10 MΩ 1 μV
1 % R ± 50 D 1%R + 0,1% x [F(kHz) - 1]R ±50D
1000 mV
11 MΩ 10 μV 0,5 % R ± 50 D
0,5%R+ 0,25% x [F(kHz) - 1]R ±50D <10 kHz
2,75%R+ 0,04% x [F(kHz) - 10]R ±50D >10 kHz
10 V
10,5 MΩ
0,1 mV 0,3 % R ± 50 D 0,3%R + 0,04% x [F(kHz) - 1]R ±50D
100 V 10 M
Ω
1 mV 0,3 % R ± 50 D 0,3%R+ 0,03% x [F(kHz) - 1]R ±50D
1000 V (

) 10 M
Ω
10 mV 0,3 % R ± 50 D 0,3%R + 0,02% x [F(kHz) - 1]R ±50D

limitation at high frequency
(

) not contractual indicative values (see curves below)

) BP: Freq [kHz] limited to: 15,000/U input [V]
U input [V] limited to: 15,000/Freq [kHz]

Example: U input = 1,000 VAC

Max. frequency: 15,000/1,000 = 15kHz
In the presence of a DC component: additional error: (UDC/U measured)x(0.7% + 70 D)

Example: UDC = 2V, U measured = 5 Vrms

Additional error: 0.28% + 28 D
- Rejection: common mode >80dB at 50Hz or 60Hz depending on selection
-
Automatic or manual selection of the ranges
- Protection by varistors
-
Maximum acceptable permanent voltage: 1,414 Vpk
- Specifications valid from: 10 to 100% of the range in the band from 20kHz to 100kHz
-
Influence of the peak factor on the accuracy in V
AC
, V
AC+DC
at 50% of the range: 1% for a peak factor < 3.

As soon as the PEAK symbol appears, use the AUTO PEAK mode.
Range 100mV AC+DC
-6
-5
-4
-3
-2
-1
0
1
0 20 40 60 80 100 120
kHz
%
10mV
80mV
Range 1V AC+DC
-2
-1,5
-1
-0,5
0
0,5
1
1,5
2
0 20 40 60 80 100 120
kHz
%
100mV
800mV