SIGRIST StackGuard 2, Инструкция по эксплуатации

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Instruction Manual StackGuard 2 System
34 10198E/3
If the difference between nominal and actual values is too great when
recalibrating, “
Recalibr. out of tolerance
” is displayed. If this happens,
check the following:
Action
1. Check whether the measured value
corresponds to the value on the control unit.

Point 3
2. Check the control unit for cleanliness.  Point 7
3. Has the minimum warm-up time of two hours
been observed?
4. Repeat the recalibration.
Let the checking rod
cool down before trying
again!
5. If the recalibration is still not OK, contact
your service partner.
5.3 Checking the ring pipe
Action
1. Activate service mode.
The measurements should be carried out
with the instrument at its normal operating
temperature!
2. Using the differential-pressure meter,
measure the pressure difference at the
sample bypass.
Meter ranges: 0..2hPa
Enter the reading in the service log in the
column “
 p1 [hPa]“.
What to do if value
is “out of tolerance”
Check list for
recalibration
A