Waters 2410 Operator's Manual page 73

Table 5-2 Keypad Functions (Continued)
Key
Ext 1 ° C
1
Ext 2 ° C
2
Int ° C
3
5
72 Using the 2410 Refractometer
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Description
Secondary
Ext1 °C and Ext2 °C – Display the temperature setting of a selected
external column heater in degrees Celsius.
To change the temperature of a column heater:
1. Press 2nd Func followed by Ext1 °C
temperature setting of the column heater appears in the display,
and the corresponding indicator lights up.
2. Press 2nd Func, Set °C, enter the new temperature (ambient to
150 °C), then press Enter.
3. Press Clear to disable.
The value of 245.7 appears when no column heater is connected.
Int °C –Displays the current temperature of the internal oven. This is
the value that flashes on startup. Press
To change the temperature:
1. Press 2nd Func followed by Int
oven appears in the display, and the corresponding indicator lights
up.
2. Press 2nd Func, Set °C, enter the new temperature (30 °C to 50
°C), then press Enter.
Note: It takes several hours for the optics bench assembly to
stabilize at the new temperature. Do not make a run until the
temperature has stabilized; the changing temperature causes
baseline drift.
or Ext2 °C. The current
Clear to stop it from flashing.
°C. The temperature of the internal