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Technical Specifications; Dc Voltages; Ac Voltages (Ac And Ac+Dc) - Metrix MX 57 EX Manual De Instrucciones

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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
37

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