IEEE-488 PROGRAMMING
4.7.3 C (Temperature Compensation)
Purpose
Format
Parameters
Default
Description
If displaying the status of temperature compensation (Program tc), the display will
not immediately update when the alternate C command is sent. Press the MENU
button to scroll back around to Program tc to update the temperature compensa-
tion status message.
Programming
,:,,JTP,JT 70;‘:.; 6 6 i;ij::c:~ 5
! Disable temperature compensation
Examples
,I,,JTPlJT 7#:3i i 6 ,Cl:::f ’
! Enable temperature compensation
Disable and enable the temperature compensation feature of the instrument.
Cn
CO Temperature compensation disabled
Cl Temperature compensation enabled
Upon power up, or after a DCL or SDC command is received, temperature com-
pensation will enable (Cl).
The instruments ability to measure the internal operating temperature, makes it
possible for it to track the actual resistance of the lGQ, lOG0 and 1OOGn resistor.
When the instrument is calibrated, the actual temperature coefficient of each resistor
is established. The instrument can then calculate the value of each of those resistors
at any temperature (see paragraph 3.11.1).
Sending CO disables temperature compensation. With temperature compensation
disabled, the instrument uses the resistor reading that was measured (during “hot”
calibration) when the internal temperature approximated the normal operating
temperature.
Sending Cl enables temperature compensation. With temperature compensation
enabled, the instrument constantly monitors temperature and calculates the
resistance of the lG0, 1OGQ and 1OOJ.X resistors.
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