ThermoWorks 9150-X HART SCIENTIFIC 9150 THERMOCOUPLE FURNACE - Manual (Page 25)

Scale units currently selected
Press “UP” or “DOWN” to change the units.
Un= F New units selected
Press “EXIT” to display the well temperature or press “SET” to access the scan
control.
8.3 Scan
The scan rate can be set and enabled so that when the set-point is changed the
furnace heats or cools at a specified rate (degrees per minute) until it reaches
the new set-point. With the scan disabled the furnace heats or cools at the maxi-
mum possible rate.
8.3.1 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 access the scan rate.
S
Accept scan setting
8.3.2 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/minute. The maximum scan rate however is actually limited
by the natural heating or cooling rate of the instrument. This rate is often less
than 100°C/minute, 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” to change the scan rate.
Sr= 5.8 New scan rate
9150 Portable Furnace
User’s Guide
24