When
sampling from a pressurized process unit, a sampler is required, at
which time the gas will be pressed into the sampler under the
pressure of the process system
This DPM-6B dew point sampler can be paired with the Vaisala DM70, and
can be paired with the Vaisala DMT-143. The usage method
and principle are basically the
same, and it is suitable for customers with this need
When
connecting, follow the instructions below:
1. Select
a quick fit connector or threaded adapter according to the connector on the
process unit.
2. Check whether the
pressure setting is correct.
3. The
needle valve of the sampler must be open. First close the needle valve and
then rotate it to half open. In addition, you can first open the needle
valve a little more to ventilate the components, and then lower the
ventilation rate.
4. Carefully
seal the threads on the quick connect fitting or threaded adapter using PTFE
thread sealing tape.
5. Connect
a quick connect fitting or threaded adapter to the threads of the sampler.
Use a solid wrench to tighten the joint.
6. Connect
the sampler to the connector on the process unit. Joints shall be sealed
with PTFE thread sealing tape.
7. Install
a gasket on the thread of the probe nut (supplied with the probe).
8. Install the probe into the sampler. Turn the probe from the
threaded nut and tighten it. Do not tighten the probe from the handle.
9. When
the DPM-6B dew point sampler is installed correctly, there should be no
leakage at the joint. This can be checked by temporarily closing the needle
valve.
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