To access the Cal Menu, press all four top row buttons at the same
time. A beep will accompany this action. Press the
key three
times. The functions available are as follows:
To gain access to the ‘Span’ and ‘Units’ functions, you will be asked
to enter a password. Enter the four-digit serial number located on
the label on the rear panel of the unit.
It is only possible to adjust the zero/span from the original
calibration by up to ±5% of the unit's full scale range.
To set span:
•
Select ‘Span’ using the
key and press the
key
•
Enter the password, press the
key and choose “Continue”
•
A ‘Warming up...’ message will be displayed for several seconds.
The current temperature will be displayed on the lower line.
•
The following screen will then be displayed asking you to set a
tolerance.
You can now enter the value of the first pressure point that you wish
to apply. After you have entered this value, apply the desired
pressure and press the
key. You will now see the following
screen:
•
Select Yes and the unit will now take fifty readings.
•
The following screen is now displayed:
•
Provided the readings are within tolerance and 5% of the desired
pressure value the unit will move to the next point.
The sequence for the first point will now be repeated for the 2nd and
3rd presssure points.
Note: Password
3.0 Span:
Note:
•
If you want to change the tolerance value displayed then press
the
key to select the first digit.
•
Using the
keys, change the first value and then press
the
key to enter it. The next digit will then be selected.
Press the
key and change the digit as described above.
•
Do the same for the third digit if required and then finish by
pressing the
key once more.
•
If however the value shown does not need to be changed then
press the
key to continue.
You will now be asked to choose the number of calibration points
(either 2 or 3). If two are chosen, by default, a zero point and a full-
scale point will be used for the subsequent zero/span. If three points
are chosen then, by default, a negative pressure value, a zero point
and a full-scale pressure value are used. The following example
assumes that 3 points have been chosen for a gauge transducer.
•
The following screen is then displayed:
MENU
MENU
MENU
ENTER
ZERO
ENTER
ZERO
ENTER
ZERO
ENTER
ZERO
ENTER
ZERO
MENU
Page 33
The “Tol_ppm” figure is the
pressure stability expressed as a
ppm of pressure reading
Summary of Contents for Druck PC6-IDOS
Page 9: ...DESCRIPTION 1 Page ...
Page 17: ...OPERATING INSTRUCTIONS 9 Page ...
Page 22: ...HOW TO SELECT FUNCTIONS MENU 1 14 Page ...
Page 28: ...SET MENU MENU 2 20 Page ...
Page 44: ...FLOWCHARTS Page 36 ...
Page 63: ...APPENDIX 1 External Pressure Module EPM 55 Page ...
Page 66: ...APPENDIX 2 Calibration Procedures 58 Page ...
Page 70: ......
