10
10.
Press R/C for radiant chamber heat. Press at any time to turn OFF and ON.
(As long as there is time left in the heat timer).
11.
To end the manual run, press “STOP” button. The display will show “End”, the
valves will click, isolating the chamber from the vacuum pump and also allowing
air to bleed into the chamber.
12.
After the rotor stops spinning, the cover lock disengages and the display reverts
to last set parameters, and the unit will sound several audible beeps.
13.
Open the cover and remove samples.
GENERAL: During the run, display shows actual parameters. To check set parameters
press “VIEW” button and “SELECT”. The display will revert temporarily to set points.
3.4 EXAMPLE OF AN AUTO RUN
1.
Refer to the “MANUAL RUN” section for start up.
2.
To execute an AUTO “TIMED” RUN:
a)
Use “SELECT” button and the up/down keys to select and modify
“TEMPERATURE, “HEAT TIME, “RUN TIME” parameters. RUN and
HEAT TIME can be set from 0.01 to 9.59 hours (HEAT TIME also has
“CCC” for continuous use).
b) To set a VACUUM LEVEL, press “VACUUM SET” to illuminate
LEVEL up/down keys to set vacuum to desired level.
To select a vacuum ramp rate, press “Vacuum Set” to illuminate
RAMP and use the up/down keys to set a ramp rate (5=highest,
1=lowest).
3.
Place the sample tubes in rotor so load is balanced. Secure rotor with
supplied knob. Close cover.
a)
Press “AUTO RUN” button to start the run. The cover locks and the
rotor starts spinning. The time display is counting down in 1 minute
Intervals and the decimal point blinks. The heat time is counting
down (use select button to view “HEAT TIME”). The temperature
rises in 1
°
C increments to set temperature. The vacuum pressure
begins decrementing down from “HPr” (atmospheric pressure), after
both SAV valves actuate, applying vacuum to the chamber.
b)
The vacuum display will indicate vacuum pressure in the chamber.
NOTE: If the cover is not closed, the display will show “Lid” and
the run will not start.
Содержание Savant SC250 Express
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