ABUS Technologies DPSENSE-V Series Multi-Range Air Velocity Transmitter - Manual (Page 12)

ABUS TECHNOLOGIES INC.
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DPSense
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K
When it displays
It is the item for adjusting the K. Then press “ZERO” or “SPAN” shortly for not more than 2
seconds (at this time, they respectively equal to “DOWN” and “UP”, means increase and reduce, then
the K coefficient is et up (the process will be displayed on the LCD). The display data on the left bottom
changes from 0.5 - 3.0, for example, if the K is set as 1.004, it displays:
At this time, repress “ZERO” and “SPAN” at the same time for not more than 2 seconds, then
the set time constant will be saved, LCD displays
It will come back to the primary display after about 2 seconds. Then, keep pressing” SPAN” for
more than 4 seconds, then release it, at this time, the instrument has come back to the normal working
condition.
8.6 Restore Factory Calibration
The factory calibration can be easily restored by the user no matter what the value is setup out
of factory. Under the condition of transmitter working normally, hold the buttons of “ZERO” and “SPAN”
simultaneously for about 5s. Then the factory calibration is restored and the all of the values setup by
the user will be deleted. The second line of the LCD will display:
9. MAINTENANCE
It is suggested to recalibrate the transmitter once for each year. No special
maintenances are needed there than keeping the exterior case and cover clean. If the
repair is needed, send the transmitter back to our company.
One Press Reset
When the micro-deviation of mounting causes the zero drifting, leave the two pressure adaptors
in the air, press “ZERO” for more than 5 seconds, then the deviation will be cleared.
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K