R (continued)
resolution, 24, 43
1/2 digit, 24, 26, 43
front-panel keys, 24, 43
half digit, 24, 43
parameters, 129
specification described, 286
revision of frimware, 95
RFI, 250
rollover for chart output, 100
RS-232
adapter kit, 178
commands, 182
connector , 5
connector pinout, 106
interface configuration, 176 - 181
talk only, 106
troubleshooting, 181
RS-232 interface
data format, 177
RS-232 interface cables, 106
RTD, 72
connections, 21
described, 264
rubber bumpers
removing, 27
S
sample count, 86
scaling, 74, 150
scan, 19, 41
SCPI
command summary, 117 - 125
compliance information, 194 - 196
data types, 185
language introduction, 183
programming sequence, 126 - 133
status model, 159
version query, 96
security code
changing, 109
rules, 107
self-test, 93
complete, 13, 93
power-on, 93
self-test errors, 208
sensitivity, 285
S (continued)
sensitivity band
reading hold, 48, 79
serial poll, 162
service request, 162
setting
alternate languages, 192
baud rate, 103, 190
calibration security code, 107
display off, 94
function on remote interface, 137 - 139
HP-IB address, 188
input channel, 41
integration time, 25, 44
NPLC, 25, 44
null example, 38
number of digits, 24, 43
parity, 104, 191
programming language, 105
range, 23, 42
range on remote interface, 137 - 139
remote interface, 101, 189
resolution on remote interface, 137 - 139
temperature units, 71
settling delays, 262
settling time, 262
shift key, 12
shorting plug, 273
single trigger, 47
single triggering, 82
software (bus) triggering, 84
span
chart, 98 - 100
specifications, 276
interpreting, 285 - 286
temperature coefficients, 287
SRQ, 162 - 163
standard event register, 165
bit definitions, 165
start bit, 177
statistics
See stats
stats, 46, 75, 149
status byte, 161
bit definitions, 161
summary register, 161
using *STB? and, 163
S (continued)
status register
condition, 159, 169
condition register, 159
enable register, 159
event register, 159
operational, 169
status registers, 159
register diagram, 160
status reporting commands, 171 - 173
stop bit, 177
stopping measurements, 85, 187
storing
readings, 50 - 52
stats, 46
supplied items, 13
system commands, 157 - 158
T
T/C
See thermocouple
talk only, 187
RS-232, 106
TALK ONLY for printers, 187
TALK ONLY mode, 102
temperature
coefficients and accuracy, 287
measurements, 71 - 73, 142 - 144
RTD measurements, 21, 72
thermistor measurements, 21, 72
thermocouple measurements, 22, 73
units, 71
temperature coefficients, 287
terminal connections, 106
test current, 68
test current for resistance
measurements, 68
test currents, 260 - 261
test lead resistance, 258
nulling, 45
thermal EMF errors, 251
thermistor, 72
connections, 21
described, 264
external reference, 270
internal reference, 22, 270
I
n
d
e
x
Index
293
Summary of Contents for 34420A
Page 1: ......
Page 2: ......
Page 13: ...1 Quick Start ...
Page 31: ...2 Front Panel Operation ...
Page 55: ...3 Features and Functions ...
Page 117: ...4 Remote Interface Reference ...
Page 200: ...5 Error Messages ...
Page 213: ...6 Application Programs ...
Page 245: ...6 Chapter 6 Application Programs Microsoft Excel Macro Example 245 ...
Page 246: ...Chapter 6 Application Programs Microsoft Excel Macro Example 246 ...
Page 247: ...7 Measurement Tutorial ...
Page 274: ...8 Specifications ...
Page 279: ...Dimensions Chapter 8 Specifications 34420A Nano Volt Micro Ohm Meter 280 ...
Page 294: ......