| Model | PicoScope 6402C | PicoScope 6402D | PicoScope 6403C | PicoScope 6403D | PicoScope 6404C | PicoScope 6404D | 
        
            | Input channels | 4 | 
        
            | Bandwidth* (-3 dB)
 | 250 MHz (200 MHz ±50 mV range)
 | 350 MHz (250 MHz ±50 mV range)
 | 500 MHz (all ranges)
 | 
        
            | Hardware bandwidth limiter | Switchable, 20 MHz | Switchable, 25 MHz | 
        
            | Rise time (10%–90%, calculated) | 1.4 ns (50 mV range 1.8 ns) | 1.0 ns (50 mV range 1.4 ns) | 0.7 ns (all ranges) | 
        
            | Input type | Single-ended, BNC connector | 
        
            | Resolution | 8 bits | 
        
            | Enhanced resolution | 12 bits | 
        
            | Input sensitivity | 10 mV/div to 4 V/div at x1 zoom (1 MΩ input) 10 mV/div to 1 V/div at x1 zoom (50 Ω input)
 | 
        
            | Input ranges (full scale) | ±50 mV to ±20V, in 9 ranges (1 MΩ input) ±50 mV to ±5V, in 7 ranges (50 Ω input)
 | 
        
            | Input coupling | AC, DC or 50 Ω DC, software-selectable | 
        
            | Input characteristics | 1 MΩ in parallel with 15 pF (AC or DC coupling) or 50 Ω (DC coupling) | 1 MΩ in parallel with 10 pF (AC or DC coupling) or 50 Ω (DC coupling) | 
        
            | DC accuracy | ±3% of full scale | 
        
            | Analog offset range (vertical position adjust) | ±50 mV to ±200 mV ranges ±500 mV range
 ±1 V range
 ±2 V range
 ±5 V range
 ±10 V range
 ±20 V
 | ±0.5 V ±2.5 V
 ±2.5 V
 ±2.5 V
 ±20 V (50 Ω ±0.5 V)
 ±20 V
 ±20 V
 | ±2 V ±10 V (50 Ω ±5 V)
 ±10 V (50 Ω ±4.5 V)
 ±10 V (50 Ω ±3.5 V)
 ±35 V (50 Ω ±0.5 V)
 ±30 V
 ±20 V
 | 
        
            | Overvoltage protection | ±100 V to ground (1 MΩ inputs), 5.5 V RMS (50 Ω inputs) |