TESTO 521 Instruction Manual page 35

01:05
1 . 1 h P a
926
P r e - f i l l
01:05
i . 1 h P a
926
S l o w D o w n
Graphic overview of the measurement process
P
2
1
Pre-fill
Slowdown
time
time
Phase 1: Pre-fill time
Build-up of the pressure in the pipe system and the
actual duration.
Jump to the slowdown time menu automatically with
Phase 2: Slowdown time
Measurement of the pressure, which should exceed
the test pressure required by the standard by about
10 % over 5 min. and which records the actual dura-
tion.
Jump to the test time time menu automatically with
3
Test time
.
.
6. Menu functions
6.5 Device
4
5
Drop
time
35
t