Installation Overview - Hach 29971-72 Benutzerhandbuch

• Short length plastic tubing for purge gas exit connection, 8 cm (3.15 in.)
Installation
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.

Installation overview

Figure 3 shows the electrical, liquid and gas connections for a typical sensor installation.
Figure 3 System schematic—Electrical, liquid, and gas connections
1 Gas flow
2 Regulator
3 Indicating instrument
4 Connectors
5 Temperature sensor
Assemble the EC/TC sensor
If tubing replacement is necessary, make sure to use material of low gas permeability, such as flexible nylon,
PVC, or tygon for tube replacement. Do not use metal tubing or damage to the brass connectors can occur.
Refer to Figure 4 and do the steps that follow to assemble the system:
8 English
D A N G E R
6 Liquid drain
7 Purge gas exit
8 Sensor
9 Liquid flow
10 Beverage sampler
N O T I C E
11 Sampling tube
12 Forcing gas entrance port
13 Forcing and purge gas