Thermo Scientific Precision Premium PR305040G, Operating Manual

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Examples:
1. The displayed temperature is the result of algebraically adding the
actual temperature to the offset value. Thus, if an offset of -3° is being
used, a measured temperature of 50° will be displayed as 47°.
2. A test is to be performed at 150°C in the center of the oven and
temperature is critical. Place a thermometer or thermocouple
(calibrated) at the critical point and set the oven to 150°C and allow
the oven to stabilize. The calibrated thermometer reads 151°C. A
display offset of 1 is entered. The immediate display reads 151. The
oven cools to 150°C, the display reads 150 and the calibrated
thermometer reads 150.
Precision Premium Oven 5-3 Thermo Scientific
Section 5
Operation
Display Offsets
(continued)