SECTION 4
PREVENTIVE MAINTENANCE
4.3 Cleaning the TC Head
49
4
Hold the TC head over the waste container.
5
Quickly pull the TC head straight down and
away from the droplet of liquid, allowing liquid
to fall into the waste container directly below.
6
Immediately apply rinse water before evaporation
can occur. Use purified water with resistivity of 1
Megohm/cm
3
or higher for rinsing. Water of lesser
quality will contaminate the thermocouple.
7
Dilute any remaining droplets of cleaning solu-
tion with purified water.
8
Repeat Steps 4, 5, and 6.
CAUTION!
Do not contaminate the rinse water by touching the tip
of the water dropper (or the water drop) to the water stand-
ing on the mount .
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