Phcbi MCO-18AC Series, Руководство по эксплуатации

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33
CALIBRATION
Temperature calibration
Span setting
Span setting should be done under stable condition of temperature, humidity, and CO
2
density.
1.
Press the calibration key (CAL) once to enter the CO
2
calibration pre-conditioning mode.
2. Press the calibration key (CAL) for approximately 5 seconds again to enter the temperature calibration
input mode.
3. The left digit of the digital temperature indicator blinks, and the digital CO
2
density indicator goes out.
4. Set the present correct temperature with the digit shift key ( ) and numerical value shift key ( ) ,
then press the enter key (ENT).
5. The incubator automatically reverts to the display mode.
[Example]
If the displayed chamber temperature is 37.0
o C (set value) and the actual temperature is 36.8 o C.
1. Press the calibration key (CAL).
2. Press the calibration key (CAL) for about 5 seconds.
3. The “3” on the digital temperature indicator blinks, and the digital CO
2
density indicator goes out.
4. Adjust the set value to the actual value of 36.8 o C with the digit shift key ( ) and numerical value shift
key ( ), then press enter key (ENT).
5. The incubator automatically reverts to the display mode.
Note:
It is important to accurately measure the temperature inside the incubator when calibrating the
temperature. Particularly, the temperature gauge used must have an accuracy of JIS 0.5 Class or better.
The temperature must be measured at several points.
The temperature setting must not change by more than ±1.0
o C during calibration. If these values are
exceeded, an error buzzer will sound, the input data will be ignored, and the incubator will return to the
display mode. If it is necessary to change the temperature by more than 1.0
o C, perform calibration in
several stages over a period of time.