TESTO 521 Instruction Manual page 36

Differential pressure meters
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6. Menu functions
36
6.5 Device
0030
1 . 1
h P a
926
0030
1 . 1
h P a
926
D r o p
0030
L e a k
 P
h P a
 P
3
2
Phase 3: Test time
Recording of the actual test duration.
Jump to the drop time menu automatically with
Phase 4: Drop time
Record of the duration of the pressure drop in the line.
Jump to the end of measurement menu automatically
with
.
Phase 5: End of measurement
At the end of measurement, the full pressure difference
is displayed and the readings are analysed in order to
determine whether or not the system is to be classed
as leaking.
Press the
key to print out the measurement
result. All values are given in bar to enable compari-
son.
Return to the measurement menu with
log to be saved is displayed.
.
. The last

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