Metrix MX 57 EX - AC Voltage and DC Current Specs

X02137C00 - Ed. 1 - 06/07 Chapter II
Intrinsically safe portable digital multimeter
38
Number of counts : 50 000 (or 5 000 - refer to §. 3.4.)
Range selection : automatic or manual for the 5 V, 50 V, 500 V,
600 V ranges
Common mode rejection : at 50 and 60 Hz, better than 80 dB
Additional error according to crest factor : 0.2 % for a crest factor of 2 to 3
0.5 % for a crest factor of 3 to 6
(Specification given full scale for a squarewave signal pulse 200 µs wide)
Curve showing typical measurement error (5 V, 50 V, 500 V ranges)
1000 pts
1 kHz
10 kHz
100 kHz
Vin = 100 % F.S.
Vin = 50 % F.S.
Vin = 15 % F.S.
50000 pts
25000 pts
7500 pts
2500 pts
1%
5%
10%
2%
Vin = 5 % F.S.
5.3. DC current
Selector
switch
position
Ranges Accuracy
Max.
voltage
drop
Protection Fuse* Resolution
500 µA 0.2%R + 5 D
10 nA
5 mA 0.2%R + 2 D
100 nA
50 mA 0.05%R+2 D
700 mV
1 µA
µA mA
500 mA 0.2%R + 2 D
1.5 V
600 V RMS F1
10 µA
* Refer to fuse specifications, §. 6.1.1.
Number of counts : 50 000 (or 5 000 - refer to §. 3.4.)
Range selection : automatic or manual for the 500 µA, 5 mA,
50 mA, 500 mA ranges
Additional error in PK+/- mode for a pulse width 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.
5.4. AC currents (AC and AC+DC)
Ranges Accuracy Protection Fuse* Resolution Max. Crest
40 Hz to 5 kHz
5 % to 100 % of range
500 µA 0.75 % R + 30 D 10 nA 1 mA
5 mA 100 nA 10 mA
50 mA
0.6 % R + 30 D
1 µA 100 mA
500 mA 0.7 % R + 30 D
600 V RMS F1
10 µA 1 A
* Refer to fuse specifications, §. 6.1.1.