Digital storage oscilloscope 

Input channels Voltage: 4 channels, Current: 4 channels Input terminal profile Voltage: Plug-in terminals (safety terminals) Current: Dedicated connector () Measurement circuits Any of the following plus Ch. 4 additional input: Single-phase 2-wire: 1P2W Single-phase 3-wire: 1P3W Single-phase 3-wire/1-voltage measurement: 1P3W1U Three-phase 3-wire/2-power measurement: 3P3W2M Three-phase 3-wire/3-power measurement: 3P3W3M Three-phase 4-wire: 3P4W Input methods Voltage: Isolated input (U1/U2/U3/U4 and N-terminal common differential input, U1/U2/U3/U4 and N not isolated) Current: Isolated input via current sensors Input resistance Voltage inputs: 5 MΩ Current inputs: 200 kΩ Maximum input voltage Voltage inputs: 1000 V AC/DC, 2200 Vpeak Maximum rated voltage to earth 1000 V AC (CAT III), 600 V AC (CAT IV) Anticipated transient overvoltage: 8000 V Measurement method Digital sampling and zero-cross synchronous computation Sampling frequency 200 kHz A/D converter resolution 16bit Display range Voltage: 2 V to 1300 V Current: 0.4% to 130% of range Power: 0.0% to 130% of range Measurement parameters other than above: 0% to 130% of range Effective measurement range Voltage: AC: 10 V to 1000 V, peak ±2200 V DC: 5 V to 1000 V Current: 5% to 120% of range, peak ±400% of range Power: 5% to 120% of range (with voltage and current that both fall within effective measurement range),Measurement items: Transient overvoltage, RMS voltage refreshed each half-cycle, Voltage waveform peak, Voltage DC value, Voltage CF value, RMS voltage (phase), RMS voltage (line to line), Swell, Dip, Interruption, RMS current refreshed each half-