Hach Digesdahl 23130-20, Instrument Manual

Page: 18 / 101

9
2.3 Selecting a Temperature Setting
Note: During a
digestion, the
temperature
reading will vary
slightly above and
below the
selected
temperature. This
will not affect the
digestion or the
accuracy of the
final analysis.
When idling (no
digestion flask in
place), the
temperature may
fluctuate
±
15
°
C
from the set point.
The particular temperature applicable for the sample to be digested is
given in the appropriate analysis procedure manual. The steps below
explain how to set the heater temperature.
1. Connect the power cord to the line voltage receptacle and set the
POWER switch to ON. The TEMPERATURE indicator will light.
2. Set the Mode switch to SET. The TEMPERATURE indicator will
display the current temperature set point in degrees Celsius.
3. If a different temperature is desired, adjust the Temperature ADJ
control for the desired temperature in the digital display.
4. Set the Mode switch to READ and allow time (approximately
10 minutes) for the heater to reach the selected temperature. With the
Mode switch in the READ position, the temperature display shows the
current operating temperature.
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