Specifications 6
34405A User’s and Service Guide 135
Operating Specifications
[1] Reading rate of the A/D converter.
[2] Time to change from 2-wire resistance to this specified function and to take at
least one reading in 4.5 digit using the SCPI “FUNC” and “READ?” commands.
[3] Time to change from one range to the next higher range and to take at least one
reading in 4.5 digit using the SCPI “FUNC” and “READ?” commands.
[4] Time to automatically change one range and to take at least one reading in 4.5
digit using SCPI “CONF AUTO” and “READ?” commands.
[5] Number of measurements per second that can be read through USB using SCPI
“ READ?” command.
[6] Reading rate depends on signal frequency >10Hz.
Ta ble 2 7 Operating Specifications
Function Digits
Reading
Speed
[1]
Function
Change (sec)
[2]
Range
Change (sec)
[3]
Auto
Range (sec)
[4]
Reading Speed
over USB
[5]
DCV, DCI 5½ 15/s 0.6 0.7 2.2 8/s
4½ 70/s 0.6 0.7 2.2 19/s
ACV, ACI 5½ 2.5/s 5.0 2.2 6.1 1/s
4½ 2.5/s 5.0 2.2 6.1 1/s
Frequency
(6)
5½ 9/s 7.0 2.5 6.1 1/s
4½ 9/s 7.0 2.5 6.1 1/s
34405A users guide.book Page 135 Saturday, September 2, 2006 3:38 PM