Spirax Sarco ELM, Installation, Operating And Maintenance Instructions, Page: 67 / 80

IM-P309-02 MI Issue 2 67
15.10.3 Reference calibration period (GAP)
The function Reference calibration period is a multiplication of the function "self-test period"
.With the help of this function, you define after how many STP’s the reference calibration is
to be performed.
Reference calibration
GAP = 540 * STP
This field shows the current reference calibration period. As mentioned in Section 14.1.3.2
"Input window / modify a value", the current value can be changed.
Example: The "self-test period" has been set to 40 seconds; a reference calibration is to be
carried out every 6 hours.
GAP = 6 * 3600s / 40s = 540
15.10.4 Empty pipe detection on / off
With the help of the function Empty pipe detection on / off, continuous empty-pipe detection
can be activated or deactivated. After selecting this function and pressing enter, the following
selection field will be display
Empty pipe detection
(off)
According to the description in Section 14.1.3.1 Selection window / make a selection, the
operator can toggle between "on" and "off." If switched on, the empty pipe detection will be
done periodically.
15.10.5 Empty pipe detection period
With the help of the function Empty pipe detection period, the time after which the detection
will be carried out can be set. When entered 00 minutes, the detection will be performed
continuously.
After choosing this function and pressing enter, the following selection field will be display
Leerrohrprüfung
alle 10 Min
This field shows the current empty pipe detection period. As mentioned in Section 14.1.3.2
"Input window / modify a value", the current value can be changed.