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1736/1738
Users Manual
68
Electrical Specifications
Power Supply
Voltage Range ....................................................nominal 100 V to 500 V (85 V min to 550 V max) using safety plug input
Mains Power .......................................................nominal 100 V to 240 V (85 V min to 265 V max) using IEC 60320 C7 input (figure 8 power cord)
Power consumption.............................................Maximum 50 VA (max. 15 VA when powered using IEC 60320 input)
Standby Power....................................................<0.3 W only when powered using IEC 60320 input
Efficiency............................................................. ≥68.2 % (in accordance with energy efficiency regulations)
Mains Frequency.................................................50/60 Hz ±15 %
Battery Power......................................................Li-ion 3.7 V, 9.25 Wh, customer-replaceable
On-Battery Runtime ............................................Up to 4 hr (up to 5.5 hr in energy saving mode)
Charging Time.....................................................<6 hr
Voltage Inputs
Number of Inputs.................................................4 (3 phases and neutral)
Maximum Input Voltage ......................................1000 V
rms
(1700 V
pk
) phase to neutral
Input Impedance .................................................10 MΩ each phase to neutral
Bandwidth ...........................................................42.5 Hz – 3.5 kHz
Scaling ............................................................1:1, variable
Current Inputs
Number of Inputs.................................................4, mode selected automatically for attached sensor
Current Sensor Output Voltage
Clamp..............................................................500 mV
rms
/ 50 mV
rms
; CF 2.8
Rogowski Coil .................................................150 mV
rms
/ 15 mV
rms
at 50 Hz, 180 mV
rms
/ 18 mV
rms
at 60 Hz; CF 4;
all at nominal probe
range
Range..................................................................1 A to 150 A / 10 A to 1500 A with iFlex1500-12
3 A to 300 A / 30 A to 3000 A with iFlex3000-24
6 A to 600 A / 60 A to 6000 A with iFlex6000-36
40 mA to 4 A / 0.4 A to 40 A with 40 A clamp i40s-EL
Bandwidth ...........................................................42.5 Hz – 3.5 kHz
Scaling ................................................................1:1, variable
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