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110
Thermal Cycler Temperature Verification System For GeneAmp
®
PCR Systems 2720, 9600, 9700, 9800,
and Veriti
®
System User Guide
Chapter 9
Calibration verification test
Average block temperature at the 95 °C hold
Use the following formula to calculate the average block temperature at the 95 °C
hold:
Block Average at 95 °C = T(95) – High Offset
If the block average is more than 0.75 degrees Celsius above or below 95 °C, your
GeneAmp
®
9600 must be recalibrated.
For example:
If the measured temperature of well E1 is 95.2 °C, and the High Offset that is printed
on your calibration label is –0.1, you would make the following calculation:
Block Average at 95 °C = 95.2 – (–0.1) = 95.3 °C
In this example, because 95.3 °C does not differ by ±0.75 degrees Celsius from the
programmed target temperature, your instrument would not need to be recalibrated.
Note:
The offset is the number of degrees Celsius that the temperature of well E1
differed from the average temperature of the block when the instrument was
calibrated at the factory.
Average block temperature at the 40 °C hold
Use the following formula to calculate the average block temperature at the 40 °C
hold:
Block Average at 40 °C = T(40) – Low Offset
If the block average is more than 0.75 degrees Celsius above or below 40 °C, your
GeneAmp
®
9600 must be recalibrated.
For example:
If the measured temperature of well E1 is 39.9 °C, and the Low Offset that is printed
on your calibration label is +0.1, you would make the following calculation:
Block Average at 40 °C = 39.9 – (+0.1) = 39.8 °C
In this example, because 39.8 °C does not differ by ±0.75 degrees Celsius from the
programmed target temperature, your instrument would not need to be recalibrated.
Ending the test
1. Remove the 0.2-mL probe assembly from the sample block.
2. Power off the digital thermometer, then clean off the oil.
3. Wait for the sample block to reach room temperature (~25 °C), then remove the
9600 temperature verification frame from the sample block.
PHYSICAL INJURY HAZARD.
Hot Surface. Use care
when working around the heated cover and sample block to avoid being burned
by hot components.
4. Clean the oil off the sample block.