20
Parameter displayed : ( Class 1 )
Parameter
Range
Resolution
Accuracy
R, Y, B Voltage 50 - 280 V AC
0.1 V (LT)
±1%+2Least digit
25 - 80 V AC
0.01kV (HT)
±1%+2Least digit
RY, YB, BR 90 - 485 V AC
0.1 V (LT)
±1%+2Least digit
Voltage 40 - 140 V AC
0.01kV (HT)
±1%+2Least digit
0 - 100 A AC
0.1 A (LT & HT)
Current > 100 A - primary
1 A (LT & HT)
±1%+2Least digit
current (CT) set
kVA/kW/kVAr (LT) 0 -1000 kVA/kW/kVAr 0.1kVA/kW/kVAr
±1%+2Least digit
3 Phase & total >1000 kVA/kW/kVAr 1 kVA/kW/kVAr
±1%+2Least digit
kVA/kW/kVAr(HT) 0-10000kVA/kW/ kVAr 1 kV A/kW/kVAr
±1%+2Least digit
3 Phase & total >10000 kVA/kW/ kVAr 0.01 MVA/MW/MVAr ±1%+2Least digit
3Phase
Power factor&Avg
0.0Lg - Unity - 0.0Ld 0.001 (LT & HT)
±1%+2Least digit
Frequency 40.00 - 60.00 Hz 0.01Hz(LT & HT)
±0.2%+2Least digit
kWh / kVAh 9999999.9 kW h (or)
0.1 (LT / HT)
Class 1 as per
kVAh
IS 13779 (±1%)
Run Hour 9999.59 Hours Max.
1 Minute
± 3 sec/day
Burden on Voltage I/P
: 0.25VA per phase
Burden on Current I/P
: 0.25 V A per phase
Burden on Auxiliary I/P : 4 V A
Auxiliary Supply
: 90 - 270V AC/DC
