Keysight 34972A - Page 352

352 Keysight 34970A/34972A User’s Guide
external reference,, 133
fixed reference,
, 133
internal reference,
, 133
isothermal block,
, 133
measurement tutorial,
, 272
measurement units,
, 132
metals used,
, 276
probe accuracy,
, 276
reference junction
error,, 278
reference junction,
, 133
shielding,
, 279
shunt impedance,
, 279
temperature range,
, 276
Thermocouple Check ,
, 133
thermoelectric voltages,
, 264
threshold, totalize,
, 160—162
time (clock)
factory setting,, 171
setting the,
, 40, 171
time stamp
absolute,, 114
relative,
, 114
timeout, low frequency,
, 143
torroid
, 264
totalize threshold,
, 160
hardware jumper,
, 325
totalizer
ac vs. TTL threshold,, 160
adding to scan list,
, 161
block diagram,
, 325
clearing the count,
, 162
contact bounce,
, 326
counting on falling
edge,, 160
counting on rising
edge,, 160
errors,
, 326
gate signal,
, 160, 326
manually reset,
, 64
maximum count,
, 161, 325
reset mode while
scanning,, 101
reset mode,
, 161
scanning,
, 101
Totalize Threshold
jumper,, 160
track mode, alarm output
lines,
, 153
transducer types,
, 80
tree switch,
, 311
triangle brackets (< >),
syntax,, 99
TRIG:SOUR command,
, 107,
108, 110, 112
TRIGger:COUNt command,
, 113
triggering
buffering,, 109
external,
, 109
scan,
, 106
true RMS,
, 287
TTL drive, digital output,
, 322
twisted pair cables,
, 79
two-wire multiplexers,
, 83, 306
two-wire ohms,
, 296
U
UNIT:TEMP command,, 132
units
temperature,
, 132
with readings,
, 114
unsecure calibration,
, 195
USB Front Panel
, 183
USB, exporting readings
, 183
USB, formatting readings
, 183
USB, importing an instrument
configuration, 184
Utility key
, 55
V
varistor,, 315
vertical bar ( | ), syntax,
, 99
VIEW annunciator,
, 14
View key,
, 55, 119, 151
viewing
readings,
, 118
Visual Basic, example,
, 247
VM Complete signal,
, 122
voltage (DAC) output
card reset,, 165
current limitations,
, 327
differential error,
, 328
integral error,
, 328
resetting,
, 65
simplified schematic,, 327
writing,
, 65
voltage dividers,
, 314
voltage measurements,
, 138
ac low frequency filter,
, 139
ac settling time,
, 139
VSWR,
, 320
W
Warnings
34901A,
, 208
34908A,
, 220
Wheatstone bridge (strain),
, 302
wire size (gauge),
, 260
wiring connections
RTDs,
, 40
thermistors,
, 40
thermocouples,
, 40
wiring log
34901A,, 208
X
XON/XOFF annunciator,, 188
Z
ZERO:AUTO command,, 131