Un= F New units selected
7.3 Scan
The scan rate can be set and enabled so that when the set-point is changed the
dry-well heats or cools at a specified rate (degrees per minute) until it reaches
the new set-point. With the scan disabled the dry-well heats or cools at the
maximum possible rate.
7.3.1 Scan Control
The scan is controlled with the scan on/off function that appears in the main
menu after the temperature scale units.
Sc=OFF
Scan function off
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.
S
Accept scan setting
7.3.2 Scan Rate
The next function in the main menu is the scan rate. The scan rate can be set
from .1 to 99.9°C/min. The maximum scan rate however is actually limited by
the natural heating or cooling rate of the instrument. This is often less than
100°C/min, especially when cooling.
The scan rate function appears in the main menu after the scan control function.
The scan rate units are in degrees per minute, degrees C or F depending on the
selected units.
Sr= 10.0
Scan rate in°C/min
Press“UP”or“DOWN”tochangethescanrate.
Sr= 2.0
New scan rate
Press “SET” to accept the new scan rate and continue.
S
Accept scan rate
9140 Dry-well Calibrator
User’s Guide
24
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