Environmental Express AutoBlock II - Manual (Page 35)

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7.3
Repeating the same digestion method
If the next batch of samples are to undergo the same method as the preceding
batch:
(A) check your reagent levels
(B) load racks with samples and cups as required
(C) close the acrylic door
(D) press Reset
(E) Continue with steps beginning at 7.1.3
7.4 Running a New Method
If a new method is to be employed, press Load and select the required method.
See section 7.1.
7.5 Features that Automatically Apply to all methods
The following features automatically apply to all methods including modified
methods and custom methods. These features do not have to be programmed into
the method development process.
1- Exhaust Fan
Automatically turns On when the digestion method is started, and continually
runs throughout the method . Upon completion of the digestion method, the
fan remains On until the graphite temp cools below 40°C. Below 40°C the
fan cycles On every 30 minutes for 5 minutes to remove residual chemical
vapors. This cycle continues until Reset is pressed in the method mode.
Note: For the best temperature uniformity results the fan speed is
decreased when samples are heated. If condensation build-up occurs during
the digestion see the Service Mode, Options section to increase fan speed.
2- Reagent Prep
Prior to injection of a reagent, all lines are filled with the new reagent.
3- Reagent Purge
After injection, all lines are purged of the reagent with DI Water.
4- Safety Features
Alarms signal an immediate need for attention. Alarms can be both visual and
audible.
5- Elevators