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Input
Input terminal type
Voltage Plug-in terminal (safety terminal)
Current Direct input: Large binding post
External current sensor input option: isolated BNC
Input format
Voltage Floating input through resistive voltage divider
Current Floating input through 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
Input impedance
Voltage Input resistance: Approx. 2 MΩ,
input capacitance: Approx. 13 pF in parallel with the resistance
Current Direct input
WT310E 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
at the above range setting,
Input resistance: Approx. 500 mΩ,
Input inductance: Approx. 0.1 µH in series with the resistance
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
at the above range setting,
Input resistance: Approx. 6 mΩ + 10 mΩ (max) *Factory setting
Input inductance: Approx. 0.1 µH in series with the resistance
Instantaneous maximum allowable input (1 period, for 20 ms)
Voltage Peak value of 2.8 kV or RMS value of 2.0 kV, whichever is less.
Input impedance
Voltage Input resistance: Approx. 2 MΩ,
input capacitance: Approx. 13 pF in parallel with the resistance
Current Direct input
WT310E 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 at the above range setting,
Input resistance: Approx. 500 mΩ,
Input inductance: Approx. 0.1 µH in series with the resistance
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
at the above range setting,
Input resistance: Approx. 6 mΩ + 10 mΩ (max) *Factory setting
Input inductance: Approx. 0.1 µH in series with the resistance
Instantaneous maximum allowable input (1 period, for 20 ms)
Voltage Peak value of 2.8 kV or RMS value of 2.0 kV, whichever is less.
Current Direct input
WT310E 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 at the above range setting,
Peak value of 150 A or RMS value of 100 A, whichever is less.
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 at the above range setting,
Peak value of 450 A or RMS value of 300 A, whichever is less.
Instantaneous maximum allowable input (for 1 s)
Voltage Peak value of 2 kV or RMS value of 1.5 kV, whichever is less
Current Direct input
WT310E 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
at the above range setting,
Peak value of 30 A or RMS value of 20 A, whichever is less.
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
at the above range setting,
Peak value of 150 A or RMS value of 40 A, whichever is less.
Continuous maximum allowable input
Voltage Peak value of 1.5 kV or RMS value of 1 kV, whichever is less.
Current Direct input
WT310E 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
at the above range setting,
Peak value of 30 A or RMS value of 20 A, whichever is less.
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
at the above range setting,
Peak value of 100 A or RMS value of 30 A, whichever is less
Accessories
758917: Measurement lead
758922: Small alligator clipadapter
758929: Large alligator clipadapter
758921: Fork terminaladapter
758924: Conversionadapter
758923*1: Safety terminaladapter
758931*1: Safety terminaladapter
