Status / Error messages
DT 500 Rev1.0 May20
Page 46 of 48
10
Status / Error messages
10.1 Status messages
•
CAL
On the part of the manufaturer a regular re-calibration is recommended, see chapter 13.
At delivery, the date at which the next recalibration is recommended is internally entered.
When this date is reached, a message appears in the display with the status message
“
CAL“
.
Note:
The measurement will continue without interruption or restriction.
•
Direction
When used in conjunction with a direction switch DT409, the status message "Direction" is displayed
in case of opposite flow direction and no measurement may take place.
Status messages:
*** VA 520 ***
CAL
*** VA 520 ***
Direction
