| VOLTAGE INPUTS |
| Quantity | 4 | Mutually isolated |
| Connection | Two 4 mm safety sockets each | Red (high), black (low) |
| Connection options | Single phase, 2-phase (split-phase), 3-phase wye or delta |
| Input impedance | 4 MΩ// 5 pF |
| Coupling | AC / AC+DC |
| Input range | 0 to 150 V / 300 V / 600 V / 900 V | Manually selectable |
| Scaling factors | 0.001 to 99,999 V/V | Individually adjustable for each input |
| Overload withstand | Continuous: 1200 VRMS, transient (1.2/50 µs): 6000 Vpeak |
| CURRENT INPUTS For clamp-on probes or shunts |
| Quantity | 4 | Mutually isolated |
| Connection | Two 4 mm safety sockets each | Red (high), black (low) |
| Connection options | 3xL + N, 3xL, 2xL + N (two-wattmeter method) | L1, L2, L3, N (calculated) |
| Input Impedance | 1 MΩ// 5 pF |
| Coupling | AC / AC+DC |
| Input range | 0 to 300 mV / 3 V | Manually selectable |
| Scaling factors | 0 / 0.001 to 99,999 V/V | Individually adjustable for each input |
| Overload withstand | Continuous: 400 VRMS, transient (1.2/50 µs):1000 Vpeak |
| VOLTAGE and CURRENT |
| Sampling rate | 100 kS/s | Simultaneously at each |
| Sampling resolution | 16 bit |
| Frequency range | DC, 15 Hz to 10 kHz |
| Crosstalk attenuation | -60 dB between voltage channels,-95 dB between voltage and current |
| DIGITAL INPUTS |
| Quantity | 4 | Floating, common reference point |
| Functions | Display and record state, count pulses |
| Connection | Plug-in connectors with screw terminals |
| DC input signal | Low: <3V, High: 5 to 24V |
| Overload withstand | 30V, continuous |
| CONTROL INPUTS |
| Quantity | 4 |
| Functions | Start/Stop recording; Synch demand interval |
| Connection | Plug-in connectors with screw terminals |
| DC input signal | Low: <2V, High: 4 to 5V |
| Overload withstand | 6V, continuous |
| ALARM OUTPUT |
| Function | Floating relay contact for Limit exceed, 30V @ 1A max |
| Function | Floating relay contact for Limit exceed, 30V @ 1A max |