ThermoWorks 9150-X HART SCIENTIFIC 9150 THERMOCOUPLE FURNACE - Manual (Page 16)

5.4 Setting the Temperature
Section 8 explains in detail how to set the temperature set-point on the calibra-
tor using the front panel keys. The procedure is summarized here.
(1) Press “SET” twice to access the set-point value.
(2) Press “SET” to move the cursor to the units that need changing.
(3) Press “UP” or “DOWN” to change the set-point value.
(4) Press “SET” until the display exits to store the new set-point.
(5) Press “EXIT” to return to the temperature display without saving the
new set-point value.
When the set-point temperature is changed the controller switches the well
heater on or off to raise or lower the temperature. The displayed well tempera-
ture gradually changes until it reaches the set-point temperature. The well may
require 35 minutes to reach the set-point depending on the span. Another 10 to
20 minutes is required to stabilize within ±0.5°C of the set-point. Ultimate sta-
bility may take 15 to 20 minutes more of stabilization time.
9150 Portable Furnace
User’s Guide
14