Hach SD900 Manuel D'utilisation De Base page 12

Plumb the sampler
Install the intake tube in the middle of the sample stream (not near the surface or bottom) to make
sure that a representative sample is collected.
1. Connect the tubing to the sampler as shown in
Note: Use connection kit 2186 if Teflon-lined tubing is used.
2. Install the intake tube and strainer in the main stream of the sample source where the water is
turbulent and well-mixed. Refer to
• Make the intake tube as short as possible.
• Keep the intake tube at a maximum vertical slope so that the tube drains completely between
samples.
Note: If a vertical slope is not possible or if the tube is pressurized, disable the liquid sensor. Calibrate the
sample volume manually.
• Make sure that the intake tube is not pinched.
Figure 6 Intake tube installation
12 English
Figure 6.
Figure 7.