User`s guide
331
Chapter 8 Specifications
System Speed Specifications [1]
4
8
System Speed
Specifications
[1]
[1] Speeds are for 4½ digits, delay 0, display off, autozero off, unless otherwise noted. Use MEAS command for best I/O
performance. RS232 at 115Kbaud.
[2] Maximum, with default delays defeated.
Single Channel Reading Rates to I/O or internal
memory
34970A 34972A
into Memory to GPIB or
RS232
to LAN, USB
or Memory
readings/sec readings/sec readings/sec
Single Channel ASCII dcV readings 500 440 500
Single Channel while changing scale (eg MEAS dcV
10 / MEAS dcV 1)
25 25 25
Single Channel while changing function (eg MEAS
dcV / MEAS Ohms)
12 12 12
Scanning Measurement Rates to I/O or internal
memory
34970A 34972A
into Memory to GPIB or
RS232
to LAN, USB
or Memory
ch/sec ch/sec ch/sec
Scanning DCV or Ohms channels
34901A/34908A 60 60 60
34902A 250 210 240
34902A into and out of memory (using INIT, FETCh) -- 180 240
34902A with timestamp (using MEAS) -- 150 240
34902A with scaling and alarms 220 190 220
34902A DCV and ohms on alternate channels 80 80 80
Scanning ACV channels
[2]
34901A/34908A 50 50 50
34902A 100 90 100
Scanning Temperature - Thermistor or T/C channels
34901A/34908A 50 50 50
34902A 150 150 150
Scanning Digital In/Totalizer channels
34907A Digital Input 275 250 275
34907A Totalizer 240 210 240
34970A Refresh UG.book Page 331 Wednesday, February 17, 2010 12:34 PM