Hach Met One 6000 Series User Manual page 17

Prerequisites:
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Installation procedure:
Important Note: Do not connect the vacuum tube to the vacuum source until the room is
ready for sampling.
Complete the following steps to install the intake or vacuum tubing.
1. Cut the intake (sample) tubing to connect the counter to the sample probe. Keep the
2. Cut the vacuum tubing to connect the counter to the vacuum source. Keep the tube
3. Put a cover on the tube ends to make sure that unwanted material does not go in the
4. Support the tubing with hooks or cable ties at intervals that are not more than 4 feet
5. Connect the intake tubing to the fitting on the top of the particle counter. Connect the
6. Connect the vacuum tubing to the fitting on the bottom (or side) of the counter. Do not
1 Bend radius—minimum of 102 mm (4 in.)
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Sample tubing—Hytrel
Vacuum tubing—Hytrel Bevaline, Tygon or equivalent
Tubing hooks or cable ties
tube length to a minimum. Make sure that the length is not more than 3 m (10 ft).
Note: A tube length that is longer than 3 meters can cause a loss of particles > 1 µm. If a longer
length is necessary, compare the results between a portable particle counter and the remote
particle counter. A lower result in the remote counter indicates a tube length that is too long.
length to a minimum.
tubes during installation.
apart. Make sure that the tubing has a minimum bend radius of 4-inches (refer to
Figure 8).
other end of the tubing to the isokinetic probe.
connect the other end to the vacuum until the room is ready for sampling.
Figure 8 Tubing installation guidelines
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Bevaline, Tygon or equivalent
2 Tubing supports—4 feet maximum between supports
Installation
15