4263A Features:

• 0.1% basic accuracy
• 100 Hz, 120 Hz, 1 kHz, 10 kHz, 100 kHz test frequencies
• 50 m, 100 m, 250 m, 500 m, 1 V RMS test levels
• High-speed measurements (25 ms)
• High-speed contact check
• Quick test recovery
• Wide capacitance test range
• Front-end protection
• Built-in comparator
  
  
  

     4263B Features:

• 0.1% basic accuracy
• 100 Hz, 120 Hz, 1 kHz, 10 kHz, 100 kHz test frequencies
• 20 mV to 1 Vrms in 5m Vrms steps
• Test signal level monitor function
• High-speed measurement: 25 ms
• High-speed contact check
• Wide capacitance test range