SMY133-SMY134-SMP133 Operating Manual
Measured Quantities – Voltage *)
Frequency
f
NOM
– nominal frequency
50 / 60 Hz
measuring range
40 ÷ 70 Hz
measuring uncertainty
± 10 mHz
Voltage
model
„100“
„230“
„400“
U
NOM
(U
DIN
) – rated voltage
(phase-to-neutral, U
L-N
)
57.7 ÷ 125 V
AC
180 ÷ 250 V
AC
300 ÷ 415 V
AC
crest factor at U
NOM
2.1
measuring range U
L-N
3 ÷ 190 V
AC
6 ÷ 375 V
AC
10 ÷ 625 V
AC
measuring range U
L-L
5 ÷ 330 V
AC
8 ÷ 660 V
AC
20 ÷ 1090 V
AC
measuring 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 IV
300V CAT III
300V CAT III
600V CATII
permanent overload
300 V
AC
600 V
AC
1000 V
AC
peak overload (U
L–N
/ 1 sec.)
600 V
AC
1200 V
AC
2000 V
AC
burden power,
impedance
< 0.013 VA
Ri = 1.8 MΩ
< 0.025 VA
Ri = 3.6 MΩ
< 0.05 VA
Ri = 6 MΩ
Voltage Unbalance
measuring range
0 ÷ 10 %
measuring uncertainty
± 0.3
Harmonics & Interharmonics (up to 50
th
order, or 40
th
order @ 60 Hz)
reference conditions
other harmonics up to 200 % of class 3 acc. to IEC 61000–2-4 ed.2
measuring range
10 ÷ 100 % of class 3 acc. to IEC 61000–2-4 ed.2
measuring uncertainty
twice the levels of class II acc. to IEC 61000–4-7 ed.2
THDU
measuring range
0 ÷ 20 %
measuring uncertainty
± 0.5
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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