Technical Specifications; Dc Voltages; Ac Voltages (Ac And Ac+Dc) - Metrix MX 556 Notice De Fonctionnement

6.

TECHNICAL SPECIFICATIONS

Only those values assigned tolerances or limits are guaranteed values. Values without
tolerances are given for information only (French standard NF C 42-670).
{Accuracy : ''n% R + nD'' means ''n% of the reading + n digits'' as per IEC 485}
6.1.

DC voltages

Selector
switch position
mV
V
DC
* See § 3.3.
Number of points:
Range selection:
Common mode rejection:
Serial mode rejection:
Additional error in Pk+/- mode for a pulse of ≥ 1 ms: 1% R ± 50 D
For measurements performed on alternative signals, the selected range must tally with the
max. value of the signal peak.
6.2.

AC voltages (AC and AC+DC)

Selector Ranges
switch
position
mV + 500 mV*
SEL
5 V
V or 50 V
AC
500 V
V + 750 V
DC
SEL
* AC+DC only.
Number of points:
Range selection:
Common mode rejection: At 50 and 60 Hz, better than 80 dB
Additional error according to peak factor:
0.2% for a peak factor of 2 to 3
0.5% for a peak factor of 3 to 6
(Specification given full scale for a squarewave signal pulse 200 µs wide)
44
Ranges Accuracy
500 mV 0.025%R** + 2D
5 V 0.025%R** + 2D
50 V 0.025%R** + 2D
500 V 0.025%R** + 2D
1000 V 0.025%R** + 2D
*** 1mn max
DC* 40 Hz 1 kHz
to 1 kHz
to 4 kHz
5% to 100% of the range
0.3 % R + 30 D 1 % R
+ 30 D
/////////////
*** 1 mn max
50 000 (or 5 000 - see § 3.3.)
Automatic or manual for the 5 V, 50 V, 500 V, 750 V ranges
Input
impedance
10 MΩ/1GΩ*
11 MΩ
10 MΩ
10 MΩ
10 MΩ
50 000 (or 5 000 - see § 3.3.)
Automatic or manual for the 5 V, 50 V, 500 V,
1000 V ranges
At 50 and 60 Hz, better than 120 dB
At 50 and 60 Hz, better than 60 dB
Accuracy
4 kHz 10 kHz
to 10 kHz to 30 kHz
10% to 100% of the range
7 % R ////////////
+ 30 D
2 % R + 30 D
///////////// /////////////
Protection
± 1100 V ***
PK
± 1100 V
PK
± 1100 V
PK
± 1100 V
PK
± 1100 V
PK
** At 23 °C ± 2°C
Input
impedance
30 kHz
to 50 kHz
///////////// 10
MΩ/1GΩ **
// 100 pF
11 MΩ
// 100 pF
3 % R 10 MΩ
// 100 pF
+ 30 D
10 MΩ
// 100 pF
///////////// 10 MΩ
// 100 pF
** See § 3.3.
Benchtop multimeter
Chapter II
Resolution
10 µV
100 µV
1 mV
10 mV
100 mV
Protectio Resol-
n ution
± 1100 10 µV
V ***
PK
± 1100 100 µV
V
PK
± 1100 1 mV
V
PK
± 1100 10 mV
V
PK
± 1100 100 mV
V
PK