Introduction
KW2M-A/X User's Manual
7
2.3 Measurement values
Item
Unit
Display data range (see note)
Instantaneous
power
Active
W
-999.99G to 999.99G
Present value
Max. value
Min. value
Reactive
var
Apparent
VA
Total integral
power
(import)
Active
Wh
0.000k to 9999.9P
Present value
Reactive
varh
Apparent
VAh
Total integral
power
(export)
Active
Wh
0.000k to 9999.9P
Present value
Reactive
varh
Current
A
0.000 to 99.999k
Present value
Max. value
Min. value
Voltage
V
0.00 to 999.99k
Power factor
-1.000 to 0.000 to 1.000
Frequency
Hz
0.00 to 99.99
Pulse count value
0.000 to 99999999
Present value
Power conversion value
0.000 to 99999999
Present value
Note:
The heading “
Display data range
”
refers to the range than can be shown on the main unit display.
It does not refer to the range of values that can be measured.
・
Power Quality
Item
Display data range
Unbalanced current
Each phase
0.00 to 300.00%
Present value
Max. value
Min. value
Unbalanced voltage
Each phase
Current THD
(total harmonic distortion)
Each phase
0.00 to 400.00%
Present value
Voltage THD
(total harmonic distortion)
Each phase
Current harmonics
(2
nd
to 31
st
)
Each phase
Voltage harmonics
(2
nd
to 31
st
)
Phase
Line
Hour meter
ON-time
0.0 to 99999.9 h
OFF-time
Stand-by time
Maintenance time
Note: If the voltage to be measured is not the rated frequency (commercial frequency), it may take time
to stabilize the THD (total harmonic distortion).