Hach 29971-72 Benutzerhandbuch Seite 10

4. Put the LEMO plug that is on the end of the sensor cable into the sensor socket of the indicating
instrument.
5. Connect the inlet tube of the flow chamber to the (A) position on the top of the piercing head.
Note: Use two open-end wrench (16 and 15 mm) to firmly tighten the assembly. Make sure not to damage the
POM part.
6. Cut the correct length of plastic tube to connect the outlet of the flow chamber to the waste.
Connect the tube to the valve outlet of the flow chamber.
7. Connect the gas supply to push the liquid through the flow chamber. Use a nylon tube to connect
the gas supply to the lower piercing column Swagelok assembly (C). A knurled screw (B) that is
on the same black block as the gas inlet port operates as a gas on/off valve.
Note: Use nitrogen or carbon dioxide as the forcing gas supply based on the beverage package application.
8. Make sure that all Swagelok fittings are tight so the beverage package sampler operates
correctly.
Figure 5 LDO sensor sampler assembly
Connect the gas purge
Do not put the CO or N
2
condense in the measuring chamber if the unit is not operating and damage to the sensor will occur.
Use stainless steel or plastic tubing (e.g., nylon, tygon or PVC) to connect the gas purge line to the
sensor.
1. Use a 14 mm wrench to attach the purge gas tube to the 6 mm Swagelok fitting that is on the
sensor.
10 English
sensor into a liquid sample until the purge gas connection is complete. Water can
2
N O T I C E