34410A/11A/L4411A User’s Guide 135
Specifications 5
Direct I/O Measurements 
[1]
 (any remote interface)
Sustained maximum reading rate to I/O, 32
–bit BINARY data ("SAMP:COUN 50000;:R?")
[1] ½ scale input signal, immediate trigger, trigger delay 0, autozero off, autorange off, no math, 
60 Hz line, null off, sample count 50000, trigger count INF
System Speeds
General 
[1] Time for configuration change from 2-wire ohms to listed function (or from dc volts to 2-wire ohms) 
using appropriate FUNCtion command.
[2] Time to automatically change one range and be ready for new measurement, <
10V, <10Mohm.
[3] Readings to memory.
Range Change 
[1] Time to change from one range to next higher or lower range, <10V, <10Mohm.
Function Resolution (NPLC) rdgs/Sec
DCV 0.001 
0.006 
50000 (34411A/L4411A) 
10000 
ACV Fast Filter 500
2–Wire Ω 0.001 
0.006 
50000 (34411A/L4411A) 
10000 
4–Wire Ω 0.001 
0.006 
1500 (34411A/L4411A) 
1200 
Frequency/Period (1 k rdgs) 1 mS gate, fast filter 450
Capacitance (100 rdgs) 10
Configuration 
[1]
(Sec)
Auto Range 
[2]
(Sec)
Maximum 
External Trigger 
Rate 
[3]
Maximum 
Internal Trigger 
Rate 
[3]
DCV 0.022 0.0075 5000 /S 10000 / S
ACV 0.037 0.019 500 / S 500 / S
2–Wire Ω  0.022 0.0075 5000 / S 10000 / S
Frequency/Period 0.037 0.019 500 / S 500 / S
GPIB 
[1] 
Sec
USB 2.0 
[1]
Sec
LAN (VXI-11) 
[1]
Sec
LAN (Sockets) 
[1]
Sec
DCV 0.0026 0.0035 0.0039 0.0039
ACV 0.0064 0.0064 0.0096 0.0065
2–Wire Ω  0.0026 0.0038 0.0039 0.0039
Frequency/Period 0.0064 0.0064 0.0093 0.0065
UG_ED5.book  Page 135  Thursday, March 1, 2012 11:28 AM