Technical data

Specifications and Characteristics 6
U3401A User’s and Service Guide 89
Supplemental Measurement Specifications
Display update rate
Measurement Specifications
Table 6 - 8 Full scale display update rate
Display Count
50000
Table 6 - 9 Measurement specifications
DC voltage
• Measurement method
• Sigma Delta A-to-D converter
• Input resistance
• 10 MΩ ± range (typical)
• Maximum input voltage
• 1000 VDC or PEAK AC on all ranges
• Input protection
• 1000 V on all ranges
• Response time
• Approximate 1.0 second when the displayed reading reaches 99.9% DC value of the tested
input signal at the same range.