Hach WDMP sc Manuel De L'utilisateur page 17

Figure 9 Install the probes
1 Probe adapter
2 Protective cap
3 pH probe
4 Sensor port plug
3.3.3 Prepare the CL17 chlorine analyzer
The CL17 chlorine analyzer comes with a startup kit and reagents. Refer to the CL17 user manual to
complete the tasks that follow.
• Install the stir bar in the colorimeter.
• Prepare the DPD indicator reagent.
• Install the reagents.
• Install the pinch plate on the pump/valve module.
3.3.4 Connect the sample and drain lines
The sample line connects to a ½-inch OD quick-connect tube fitting. The supplied drain tubing
connects to a ¾-inch barb fitting.
1. Install a pressure regulator in the sample line if the sample pressure is more than 862 kPa
(125 psi).
2. Push to install the sample line in the quick-connect fitting below the sample flow valve. Refer to
Figure 10.
3. Use the supplied drain tubing to connect the panel drain to the external drains. Refer to
Figure 10. Make sure that the drain tubing has a constant downward slope.
5 Sensor port for optional ORP probe
6 Standard conductivity probe
7 Connections on the junction box
English 17