Metrix MX 57 EX Notice De Fonctionnement page 37

Chapter II
5. TECHNICAL SPECIFICATIONS
Only those values assigned tolerances or limits are guaranteed values. Values without
tolerances are given for information only (French standard NFC 42-670).
{Accuracy : ''n% R + nD'' means ''n% of the reading + n digits'' as per IEC 485}
The measurement terminals can only be connected to an intrinsically safe
(♦)
circuit.
Electrical specifications of intrinsically safe circuits : U ≤ ≤ ≤ ≤ 60 V (peak value) or
I ≤ ≤ ≤ ≤ 500 mA.
After unauthorized use of circuits other than intrinsically safe circuits, the
user must make check with a certified organisation that the multimeter is still
compliant.
For ranges of 500 V
given "without guarantee".
5.1. DC voltages
Selector
switch position
mV
V
DC
*
Refer to § 3.4.
Number of counts :
Range selection :
Common mode rejection : at 50 and 60 Hz, better than 120 dB
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.
5.2. AC voltages (AC and AC+DC)
Selector Ranges
switch
position
DC*
from 5 % to 100 % of the range
mV + 500 mV*
SEL/ON
5 V
V or 50 V
AC
V +
DC
(♦)
500 V
SEL/ON
(♦)
750 V
* AC+DC only
Intrincally safe portable digital multimeter
, 1000 V
DC
Ranges Accuracy
500 mV 0.025%R
5 V 0.025%R
50 V 0.025%R
(♦)
500 V 0.025%R
(♦)
1000 V 0.2%R
at 23°C ± 2°C
**
50 000 (or 5 000 - refer to § 3.4.)
automatic or manual for the 5 V, 50 V, 500 V, 1000 V ranges
at 50 and 60 Hz, better than 60 dB
40 Hz 1 kHz to
to 1 kHz
4 kHz
0.3% R + 30 D 1% R + 30 D
1% L + 30 D ///////////
** Refer to § 3.4.
, 500 V and 750 V
DC AC
Input
impedance
**
+ 2D 10 MΩ/1GΩ
**
+ 2D 11 MΩ
**
+ 2D 10 MΩ
**
+ 2D 10 MΩ
**
+ 2D 10 MΩ
Accuracy
4 kHz to 10 kHz to
10 kHz 30 kHz
from 10 % to 100 % of the range
7 % R
+ 30 D /////////////
2 % R + 30 D
///////////// /////////////
X02137A00 - Ed. 1 - 12/01
the specifications are
AC
Protection
* ***
± 1100 V
PK
± 1100 V
PK
± 1100 V
PK
± 1100 V
PK
± 1100 V
PK
***
1 min max.
Input
impedance
30 kHz to
50 kHz
±1100V
10MΩ/1G**
// 100 pF
11MΩ//100pF ± 1100 V
3% R+ 30 D 10MΩ//100pF ± 1100 V
10MΩ//100pF ± 1100V
///////////// 10MΩ//100pF ± 1100V
*** 1 min max.
Resolution
10 µV
100 µV
1 mV
10 mV
100 mV
Protection Reso-
lution
*** 10 µV
PK
100 µV
PK
1 mV
PK
10 mV
PK
100mV
PK
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