SMY133-SMY134-SMP133 Operating Manual
Measured Quantities – Current *)
model
„X/5A“
„X/100mA“
„X/333mV“
I
NOM
(I
B
) – rated current
1 / 5 A
AC
0.1 A
AC
I @ 333mV
crest factor at I
NOM
standard : 2.0
SMP : 17
5.5
2.1
measuring range
standard
SMP
0.005 ÷ 7 A
AC
0.005 ÷ 60 A
AC
0.001 ÷ 0.39 A
AC
0.001 ÷ 3.5 A
AC
0.002 ÷ 0.5 V
AC
meas. uncertainty
(t
A
=23±2°C)
+/- 0.05 % of rdg +/- 0.02 % of rng
temperature drift
+/- 0.03 % of rdg +/- 0.01 % of rng / 10 °C
measurement category
150V CAT III
150V CAT III
undefined
permanent overload
7.5 A
AC
1 A
AC
15 V
AC
peak overload - for 1
second, max. repetition
frequency > 5 minutes
70 A
AC
10 A
AC
15 V
AC
burden power
( impedance)
< 0.5 VA ( Ri < 10 mΩ) < 0.01 VA ( Ri < 40 mΩ) < 3 uVA ( Ri>100kΩ)
Current Unbalance
measuring range
0 ÷ 100 %
measuring uncertainty
± 1 % of rdg or ± 0.5
Harmonics & Interharmonics (up to 50
th
order, or 40
th
order @ 60 Hz)
reference conditions
other harm. up to 1000 % of class 3 acc. to IEC 61000–2-4 ed.2
measuring range
500 % of class 3 acc. to IEC 61000–2-4 ed.2
measuring uncertainty
Ih <= 10% I
NOM
: ± 1% I
NOM
Ih > 10% I
NOM
: ± 1% of rdg
THDI
measuring range
0 ÷ 200 %
measuring uncertainty
THDI <= 100% : ± 0.6
THDI > 100% : ± 0.6 % of rdg
Note *) : The quantities and their measurement uncertainties are valid for f
NOM
= 50/60 Hz. For f
NOM
=
DC ÷ 500 Hz ("The Fixscan" mode), see separate table below.
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