Meriam M4 Series Precision Calibrator Data Logger Manual - Manual (Page 20)

ZM4 Instruction Manual 9R87-B June 2012
20
Field Recalibration
Figure 15: Field Recalibration Display
The Field Recalibration Display contains the following:
1. The current calibration point and number of points displayed at the
top.
2. Under “Apply:” in the black highlighted area, the nominal calibration
point in the current pressure units for the sensor is displayed.
3. Under “Range:” the tolerance band around the nominal value.
4. The live pressure measurement in the current pressure units is
displayed at the bottom.
To run the field recalibration procedure:
1. Apply the pressure indicated in the “Apply:” field. The value must lie
within the tolerance band indicated by “Range:”
2. Press the Save key when you are at the correct input to calibrate.
The live display value will show dashes when the calibration point is
being saved.
3. Press the Next key to advance to the next calibration point. Repeat
steps 1&2 above.
4. Repeat steps 1-3 until you reach the last point.
5. At the last point the Next key is replaced with a Done key. When you
have finished calibrating the last point press the Done key.
6. A Calibration complete screen appears with Exit and Save keys.
Press Exit to discard the field recalibration. Press Save to store the
field recalibration results.