Forma
Model 700 Series ______________________________________________Calibration
3-2
3.2 Optional Recorder Calibration
a. Changing the recorder range:
The chart recorder contains eight temperature ranges and is factory-programmed for
the freezer.
1.
Press and hold button #3 for one second, then let the pen move off of the chart
paper.
2.
Press and hold for five seconds either button #1 or button #2.
3.
Release the button and the green LED will begin to flash. Count the number of
flashes to determine the present program setting.
4.
To change the program setting, press the left or right arrows to increase or decrease
the count.
5.
When the desired program number is flashing, press button #3 to bring the pen arm
back onto the chart. Recording will begin in the new program.
NOTE:
Changing ranges may require an offset calibration as outlined in Section 3.2.b.
Program No.
Range
Program 1
-40°C
to
30°C
Program 2
0°C
to
60°C
Program 3
-100°C
to
38°C
Program 4
-5°C
to
50°C
Program 5
0°C
to
100°C
Program 6
-100°C
to
-200°C
Program 7
-115°C
to
50°C
Program 8
-10°C
to
70°C
Table 3-1
Recorder Range Chart