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After using the calibrator, allow the well to cool by setting the temperature to
25°C and waiting 1/2 hour before turning the instrument off.
3.4 Setting the Temperature
Section 6.2 explains in detail how to set the temperature set-point on the cali
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brator using the front panel keys. The procedure is summarized here.
(1) Press “SET” twice to access the set-point value.
(2) Press “UP” or “DOWN” to change the set-point value.
(3) Press “SET” to program in the new set-point.
(4) Press and hold “EXIT” to return to the temperature display.
When the set-point temperature is changed the controller switches the well
heater on or off to raise or lower the temperature. The displayed well tempera
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ture gradually changes until it reaches the set-point temperature. The well may
require considerable time to reach the set-point depending on the span. Addi
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tional time is required to stabilize within ±0.1°C of the set-point.
9011 Dual-Well Calibrator
User’s Guide
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