DH Instruments E-DWT-H, Руководство по эксплуатации и обслуживанию

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E-DWT-H OPERATION AND MAINTENANCE MANUAL
© 2009 DH Instruments, a Fluke Company Page 102
To access Q-RPT calibration information viewing or editing press [SPECIAL] , <8Cal> .
Select the desired Q-RPT. The <1view> selection displays the calibration information fields.
The <2edit> function displays the fields and allows them to be edited. The display is:
1. Date of last calibration in YYYYMMDD format.
2. Position designator of the Q-RPT being viewed.
3. Current value of absolute mode P
offset
.
Not used in this RPM4-E-DWT model. Always 0.0 Pa.
Cal date:20030325 Hi
AbsPoffset: 0.0 Pa
If in edit mode, the calibration information fields can be edited. Pressing [ENT] on the last
field goes to the next view/edit screen:
1. Value of PA.
2. Position designator of the Q-RPT being viewed.
3. Value of PM.
PA: 0.0 Pa Hi
PM: 1.000000
If in edit mode, the calibration fields can be edited. Pressing [ENT] on the <PM> field in view
mode returns to the view/edit screen. [ENT] in edit mode goes to confirmation of change
activation if changes have been made in any of the calibration screens. Pressing [ESC] in any edit
screen exits the edit screen without activating any changes.
Note
The value of PA is always in Pascal (Pa). The value of PM is
dimensionless.
5.3.7 Q-RPT Adjustment Without CalTool for Q-RPT
S
Software
 PRINCIPLE
The RPM4-E-DWT Q-RPTs can be adjusted without using CalTool for Q-RPTs software.
This requires:
•
Zeroing the RPM4-E-DWT.
•
Applying pressures with a calibration standard and recording the pressures
measured by RPM4-E-DWT.
•
Calculating new PA and PM values and entering them.
W
Caution
Before proceeding to adjust a Q-RPT without using CalTool for Q-RPTs
software, Sections 5.3.1, 5.3.2, 5.3.3 and 5.3.4.
 OPERATION
The typical procedure for adjusting a Q-RPT is:
Set-up and prepare the RPM4-E-DWT for calibration (see Sections 5.3.2, 5.3.3).
Use the [RANGE] function key to select the Q-RPT to be calibrated (see Section 3.7.2).
Be sure to set the DF range (not an AutoRanged range).
Use [HEAD] to set the HEAD to zero (see Section 3.7.8). Use [UNIT] to set the desired
pressure unit of measure (see Section 3.7.3).