Columns and Oven 4
Advanced Operation Manual 151
Final temperature Temperature of the oven at the end of a
heating or cooling rate.
Final time Time in minutes that the oven will be held at the
final temperature of a temperature- programmed rate.
Total length of a run is determined by its oven temperature
program. The maximum allowable time for a run is
999.99 minutes. If the program is still running at that time,
the run terminates.
See also “Post Run Programming.”
Oven ramp rates
To use the fast oven ramp rates (a 240 V power option is
required), your electric service must be able to supply
≥ 200 V at ≥ 15 Amp.
The highest rate that you can achieve depends on many
factors, including the room temperature, temperatures of the
inlets and detectors, the amount of material inside the oven
(columns, valves, etc.), and whether or not this is the first
run of the day.
The optional oven insert for fast chromatography (see “About
the Oven Insert” on page 154), increases oven ramp rates for
the back column. Table 39 lists typical oven ramp rates.
Tabl e 39 Oven ramp rates
100/120 V oven
ramp rate (°C/minute)
200/220/230/240 V oven
ramp rate (°C/minute)
Temp erat ur e
range (°C)
Without
insert
With optional
insert
Without
insert
With optional
insert
50 to 70 75 120 120 120
70 to 115459595120
115 to 175406565110
175 to 30030454580
300 to 45020353565
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