SMY133-SMY134-SMP133 Operating Manual
1.1 Differences between SMY133, SMY134 and
SMP133
SMY133
SMY134
SMP133
number of current inputs
3
4
3
current crest factor at I
NOM
standard – 2.0
standard – 2.0
high – 17
(for recording of
transient events)
measurement sampling
frequency at 50 / 60 Hz
stand. model : 6.4 / 5.76 kHz
model „G2“ : 25.6 / 23.04 kHz
25.6 / 23.04 kHz
25.6 / 23.04 kHz
measurement category of
voltage inputs
(model “230”)
300V CATIII
300V CATIII
300V CATIV
voltage & current
measurement uncertainty
class according
IEC 61557-12
0.5
0.2
0.2
embedded auxiliary
voltage backup
no
no
yes
protection class according
IEC 61140
II -
II -
I -
Other features are common.
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