A09 Manual Offset

Definition

Corrects fixed errors that do not vary with flow (zero offset). A09 is added to or subtracted from the instantaneous flow. Default: 0.0.

Parameters A09 (Correction Mode) and A02 (Scale Factor) allow adjustment of flowmeter reading deviations.

$$\text{Corrected Instantaneous Flow} = A_{02} \times \text{Measured Instantaneous Flow} - A_{09}$$

Notes

N/A

Operation Procedure

Button Functions (Click to Expand)

The main unit has four buttons. The bottom line (Line 3) of the LCD displays the current function of each button. Under normal operation, the button functions are as follows:

• Blue Button: Leftmost button: Return, exit, or save settings.

• Gray Direction Buttons:

  • Left Gray: Previous Page, decrease value, or select item

  • Right Gray: Next Page, increase value, or select item

• Orange Button: Rightmost button: Enter settings, edit, or confirm selection

Do not hold buttons for extended periods to avoid damage.

Button functions may change depending on the operation context to improve usability or prevent accidental presses

A05 Direction Setting Steps
• From the main screen (green backlight), 
  press Orange Button (Setup) to enter settings (orange backlight).
• Select A. Measurement by pressing Orange Button(Enter).
• Use Gray Arrow Buttons to select A05 Direction, press Orange Button (Enter).
• Use Gray Arrow Buttons to choose the options. 
• Press Orange Button (Set) to confirm.
• Press Blue Button (ESC) to return to the main screen (green backlight).

A09 Options, RS485 Values, Read/Write Commands, and Formats

Parameter Input Range	RS485 Value
Default	3
Minimum	0
Maximum	600