User Manual

KEW6310 16.2 Inst measurement
KEW6310 16.2
16.2 Inst measurement ( Range)
(1) V oltage Vi [V]
Range 150/ 300/ 600V/ 1000V
Display digit 4 digits
Allowable input 10 ~ 110% of each range (1000V range : 20%~)
Display range 5 ~ 120% of each range
Crest factor 2.5 or less (100% or less of each range)
Accuracy ±0.3%rdg±0.2%f.s. (sine wave, 45 ~ 65Hz)
Instantaneous overload 1200Vrms(1697Veak):10 sec
Input impedance approx 2.7MΩ
(2) Current Ai [A]
Range 8128(50A type) : 1/ 5/ 10/ 20/ 50A
8127(100A type) : 10/ 20/ 50/ 100A
8126(200A type) : 20/ 50/ 100/ 200A
8125(500A type) : 50/ 100/ 200/ 500A
8124(1000A type) : 100/ 200/ 500/ 1000A
8129(3000A type) : 300/ 1000/ 3000A
Display digit 4 digits
Allowable in put 10 ~ 110% of each range
Display range 1 ~ 120% of each range
Crest factor
3.0 or less (90% or less of each rang e)
Accuracy
±0.3%rdg±0.2%f.s.+ Accuracy of Clamp sensor
(sine wave, 45 ~ 65Hz)
Instantaneous overload
2Vrms(2.828Veak): for 10 sec
Input impedance
approx 10 0kΩ
(3) Active power Pi [W]
Range
Depending on combinations of (V Range) x (A Range)
Display digit
4 digits
Accuracy
±0.3%rdg±0.2%f.s.+ Accuracy of Clamp sensor
(Power factor 1, Sine wave 45 ~ 65Hz)
Influence of power factor ±1.0%rdg (reading at power factor 0.5 against power factor 1)
Polarity indication Consumption: + (no mark) , Regenerating: -
×1
1_PP
=
×2
2_1_ PPP
+
=
×3
3_2_1_ PPPP
+
+
=
1P2W
×4
4_3_2_1_ PPPPP
+
+
+
=
×1
21
P
P
P
+
=
1P3W
×2
2_1_ PPP
+
=
(
)
2_22_12_,1_21_11_ PPPPPP +
=
+
=
×1
21
P
P
P
+
=
3P3W
×2
2_1_ PPP
+
=
(
)
2_22_12_,1_21_11_ PPPPPP +
=
+
=
Formula
3P4W ×1
321 PPPP
+
+
=
(4) Frequency f [Hz]
Accuracy ±0.1%rdg±2dgt
Display digit 4 digits
Allowable input
10 ~ 110% of ea ch Voltage ra ng e ( sin e wave. 45 ~ 6 5H z)
(1000V range : 20%~)
Display ra nge 40. 00 ~ 70.00 Hz
Signal source V1-fixed
(5) Analogue input DCi [V]
Number of input 2 channel (i = 1,2)
Range 50m/ 500m/ 5V (selectable at each channel)
Accuracy ±0.5%f.s
Display digit 4 digits
Input resistance approx 225kΩ