6.3 Scan

The scan rate can be set and enabled so that when the set-pointis changed the
dry-well heats or cools at a specified rate (degrees per minute) until it reaches
the new set-point. Withthe scan disabled the dry-well heats or cools at the
maximum possible rate.

6.3.1 Scan Control

The scan is controlled with the scan on/offfunction that appears in the main
menu after the temperature scale units.
Sc=OFF Current scan setting
Press “UP” or “DOWN” to toggle the scan on or off.
Sc=On Scan function on
Press “SET” to accept the present setting and continue.
SAccept scan setting

6.3.2 Scan Rate

The scan rate can be set from 0.1 to 50.0°C/min. The maximum scan rate, how-
ever,is actually limited by the natural heatin g or cooling rate of the instrument.
This rate is often less than 50°C/min, especiallywhen cooling.
The scan rate function appears in the main menu after the scan controlfunction.
The scan rate units are in degrees Celsius per minute, regardless of the selected
units.
Sr=2.0 Current scan rate setting in °C/min
Press“UP”or“DOWN”tochangethescanrate.
Sr=3.0 New scan rate
Press “SET” to accept the new scan rate and continue.
SAccept scan rate

6.4 Temperature Display Hold

There are two sets of display hold terminalslocated on the top of the 9011, one
for the cold side and one for the hot side. The display hold terminals are used
for testing thermal switches.
9011 Dual-Well Calibrator
User’s Guide
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