ABUS Technologies DPSENSE-V Series Multi-Range Air Velocity Transmitter - Manual (Page 11)

ABUS TECHNOLOGIES INC.
11
DPSense
Hold the ” ZERO” button for 2-3 seconds again and again, the LCD will display:
When the LCD display as below:
The filter time constant adjustment can be started. Press the button of either “ZERO” or “SPAN”
quickly as the presses for down and up for less than 2 seconds. Do not stop until the Satisfactory time
constant is setup (process can be displayed on the LCD). The bottom left will change from 0, 1 to 15
corresponding to the filter time constant from 0.5, 1 to 15 seconds. For example, if the constant is setup
as 15 seconds, the LCD displays:
At this time, press the buttons of “ZERO” and “SPAN” simultaneously, do not stop for more than
2 seconds. Then the setup constant is stored and the LCD displays:
When the value returns to the formal one after 2 seconds, hold the button of “SPAN” for more
than 4 seconds to recover the unit to the normal condition. The factory setup filter time constant is 2.0s.
8.5 Coefficient K Adjustment
If LCD displays that the module has been installed, then user can adjust the coefficient K, the
range is 0.5-3.0 adjustable with the interval of 0.004. To adjust the K, under the normal condition; keep
pressing” ZERO” for 2-3 seconds, LCD displays:
Repress “ZERO”for 2-3 seconds. It displays in turn: