16
G
Operating instructions for turbine flow meter
Example:
Observed mean percentage error E %
-0,9 %
Current K Factor
1.000
New USER K FACTOR
1.000 x {[100-(-0,9)]÷100}=
1.000 x [(100+0,9)÷100]=
1.009
If the meter displays less than the actual amount of liquid output (negative error), the new K Factor must
be greater than the old one (see example). The opposite is true if the value indicated is greater than the
actual amount (positive error).
Action
DISPLAY
1
NONE
Meter is in default standby mode, not counting
2
PRESS TOTAL SEVERAL SECS
Meter changes to calibration mode displaying the valid K
Factor instead of the partial volume. FACT or USER indicates
whether valid calibration factor is Factory K Factor or User
K Factor .
3
PRESS RESET SEVERAL SECS
Meter shows TOTAL display and the resettable total register
displays zeroes. Meter is now ready for simulated operation
calibration.
4
PRESS RESET SEVERAL SECS
Changing valid K Factor directly: The word DIRECT is dis-
played, together with the calibration factor currently in use.
An arrow at the bottom left of the display (pointing up or
down) indicates the direction in which the displayed value
is changed. Increase or decrease when actions 5 or 6 are
carried out.
5
PRESS RESET SHORTLY
Direction of arrow flips. This may be repeated as often as
necessary in order to set the correct direction.
6
PRESS RESET SHORTLY / SEVERAL SECS
Value indicated will change as indicated by arrow.
One increment per each time TOTAL is pressed.
■
■
Continuously if TOTAL is held down. Display will ‚roll‘
■
■
more quickly if button is held permanently.
If you overshoot, go back to point 5 and repeat.
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