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Input
Input Type
Voltage: Plug-in connector
Current:
• Direct input: Large clamp
• External current sensor: BNC
Input Format
Voltage: Mobile input via voltage divider
Current: Mobile input via shunt
Measurement Range
Voltage:
Crest factor 3: 15 V / 30 V / 60 V / 150 V / 300 V / 600 V
Crest factor 6 or 6A: 7.5 V / 15 V / 30 V / 75 V / 150 V / 300 V
Current (Direct Input):
Crest factor 3 (WT310E): 5 mA / 10 mA / 20 mA / 50 mA / 100 mA / 200 mA / 0.5 A / 1 A / 2 A / 5 A / 10 A / 20 A
Crest factor 6 or 6A (WT310E): 2.5 mA / 5 mA / 10 mA / 25 mA / 50 mA
External Current Sensor:
Crest factor 3:
• EX1: 2.5 V / 5 V / 10 V
• EX2: 50 mV / 100 mV / 200 mV / 500 mV / 1 V / 2 V
Crest factor 6 or 6A:
• EX1: 1.25 V / 2.5 V / 5 V
• EX2: 25 mV / 50 mV / 100 mV / 250 mV / 500 mV / 1 V
Input Impedance
Voltage:
• Input impedance: approx. 2 MΩ
• Input capacitance: approx. 13 pF in parallel with resistor
Current (Direct Input):
• Noted in above sections
Instantaneous Input
Voltage:
Peak value: 2.8 kV or RMS
Current (Direct Input):
Crest factor 3: 5 mA / 10 mA / 20 mA / 50 mA / 100 mA / 200 mA
Crest factor 6 or 6A: 2.5 mA / 5 mA / 10 mA / 25 mA / 50 mA / 100 mA
Continuous Input
Voltage:
Peak value: 1.5 kV or RMS
Current (Direct Input):
Crest factor 3: 5 mA / 10 mA / 20 mA / 50 mA / 100 mA / 200 mA
Crest factor 6 or 6A: 2.5 mA / 5 mA / 10 mA / 25 mA / 50 mA / 100 mA
Max value: 30 A or RMS
• Crest factor 3: 0.5 A / 1 A / 2 A / 5 A / 10 A / 20 A
• Crest factor 6 or 6A: 0.25 A / 0.5 A / 1 A / 2.5 A / 5 A / 10 A
Max value: 100 A or RMS
Communication Interface: GP- IB
Power Cord: GB standard
Function: Harmonics Measurement, Ethernet interface
