Hach AF7000 SCM Manuel D'utilisation De Base page 9

Figure 2 Installation dimensions
Plumb the instrument
Supply ½-in. NPT plumbing for both the sample inlet and the sample outlet. Outlet fittings smaller in diameter than
½-in. NPT can cause unwanted back pressure into the instrument and result in instrument damage.
Plumb the sample to the instrument as shown in
• Install a manual flow isolation valve at the inlet.
• Keep the sample flow within the specified flow rate of 2–4 L/min.
• Use PTFE tape on the pipe threads.
• The inlet piping and outlet piping must be ½-in. NPT.
N O T I C E
Figure 1 on page 7. Plumbing guidelines:
English 9