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12
Bath Liquid Guidelines
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Filling the bath
NOTE
WARNING
Overflow
When selecting a liquid for use in the TE-1500, keep the following
guidelines in mind:
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Select a bath liquid appropriate for the intended operating temperature(s)
for the TE-1500 (see above).
Initially fill the reservoir with the bath liquid until the liquid level reaches
the overflow hole (see Figure 5) drilled into the wall of the bath.
When operating at control temperature, the liquid level in the bath should
be about 20 mm (approx. 3/4" below the bath cover). Liquid must cover
the top edge of the baffle.
As the bath cools down to the
operating temperature, add
more bath fluid if necessary
to maintain the bath level. If
there is bath liquid in the
Overflow Jar, depress the
circular push button on the
upper left corner of the Control
Chassis. This button activates
the Reciprocating Pump
which returns liquid from the
Overflow Jar to the bath.
Do not purposely overfill the TE-1500 bath, anticipating the contraction of
the bath liquid when it cools. The addition of more bath liquid should
occur ONLY when test temperature has been reached, and ONLY if the
liquid level is too low. Initially overfilling the bath will compromise the
overflow system, and could result in bath liquid spilling into the TE-1500,
possibly damaging the internal components and creating a hazard.
Avoid filling the bath more than necessary after cooling to temperatures
below -20°C. The bath liquid will expand as the temperature increases.
Excess liquid will drain off into the Overflow Jar in the rear of the bath.
Periodically check the amount of liquid in the Overflow Jar. Drain the
Overflow Jar when necessary.
®
TE-1500 Thermoelectric Constant Temperature Bath
CANNON
Revision 1.1b—January, 2007; CANNON
2139 High Tech Road • State College, PA 16803 • USA
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Figure 5:
Bath with overflow hole highlighted
®
Instrument Company
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