1. Turn off power (if it is currently on).
2. Turn the power on. As soon as you apply power, type the @ character three times.
The prompt: [Clr Active Memory?] appears
at the top of the screen. Press the <Down Arrow>.
Note
The prompt switches to [Clr Saved Data? No].
3. Press the <Right Arrow> and then the <Down Arrow> to switch the option list to: [Clr Saved
Data? Yes].
4
. Press <ENT> to clear all Saved Site Data, Datalogger Data, User created Pipe Data and
Sensor Data.
5. To restore operation, press <MENU> to access the Installation Menu and create a new site
setup. Reselect any Meter Facilities items (e.g., RS-232 setup parameters).
A.5 Flowrate Calibration and Calibration Tables
Flowrate Calibration Methods
SITRANS F 1010 equipment provides three ways to condition the calibration performance of
its flowrate output: Intrinsic (factory set), Kc, and Calibration Tables 1 through 3. Access to
these calibration options is found in the [Calibrate Flowrate] menu cell and the three [Calib.
Table] menu cells of the [Span/Set/Cal] menu.
Intrinsic
When selected, the flowmeter uses no slope adjustment at all. Output data is still zeroed and
corrected for Reynolds number, but no slope adjustment is imposed on the flowmeter’s flow
register.
Some applications may require an output adjustment to match an official external reference.
The [Calibrate Flowrate] menu allows you to select a calibration mode. The right-hand column
shows the active calibration mode. You can select Intrinsic (factory) and Kc (Slope Correction)
Calibration. Selecting either of the external calibration modes will not eliminate the Intrinsic
(factory) calibration. You can use this menu cell to switch between Intrinsic and Kc at any time.
Kc Calibration
For most applications, the measured flow range produces a linear meter response. Therefore,
the Kc (slope correction) calibration is the preferred method since it only requires a single
correction factor for all the flow rates encountered.
Appendix
A.5 Flowrate Calibration and Calibration Tables
FUP1010 IP67 Portable Flowmeter
Operating Instructions, 02/2010, A5E02951522A Revision 01
145
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