TESTO 300 LL NEXT LEVEL Instruction Manual page 72

9 Performing the measurement
- Pipe volume > 100 l to < 200 l: Adjustment time 30 min, test time
20 min.
- Pipe volume > 200 l: Adjustment time 60 min, test time 30 min.
>
Connect the connector plug of the hose pressure connection kit
(0554 1203) to the pressure test kit (0554 1213). Insert the pressure
adapter into the flue gas socket and lock by slightly turning it clockwise
(bayonet fitting).
Carrying out the measurement
The pressure socket of the instrument must be free (depressurized, not

closed).
Pressure zeroing has been carried out.

1
Call up function:
2
Set parameters or enter values.
All values that can be modified have a dotted underlining.
3
Pressurize the system.
Once the pressure has built up, a stabilization time specified by DVGW-
TRGI 2018 should be observed to ensure that any possible pressure
fluctuations are not recorded in the measurement as well. The relevant
standard provides more detailed information.
4
Start stabilization time: tap

Reading is displayed.

Stabilization time is finished.
End stabilization time early: tap

Measuring time starts.

The readings are automatically saved and displayed after the
measurement has been completed.
5 The measuring value result can be assessed.
72
| Tightness test 1.
. If applicable, follow instructions.
.