5. Measuring
Capability
5.1 Real-time basic electrical parameters
SPM33 provides voltage, current, power, and frequency etc. basic parameters.
Real-time reading
Measuring range
current
Each phase
0 ~ 65
，
000A
Zero sequence
0 ~ 65
，
000A
Degree of unbalance (%)
0 ~ 100%
voltage
Line-line 0
~
650V
Line-neutral line
0 ~ 400V
Degree of unbalance (%)
0 ~ 100%
Active power/Reactive power /Apparent power
Single phase
0 ~ ± 26MW/var/VA
Total
0 ~ ± 78MW/var/VA
Power factor
Single phase
-1.000 ~ +1.000
Total -1.000
~
+1.000
Frequency
35 ~ 65Hz
35 ~ 65Hz
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