TSI Incorporated 8525, Руководство по эксплуатации и обслуживанию

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Chapter 2
14
6. Keep the storage cap and alcohol cartridge clean. Always set them
down with the end standing up. These precautions prevent dirt or
debris from entering the instrument and causing
operational problems.
Attaching the Inlet Screen Assembly, Sample Tube, and
Telescoping Probe to the Instrument
The normal sampling configuration for the P-T
RAK
®
Ultrafine Particle
Counter consists of the inlet screen assembly, sample tube, and telescoping
probe (see Chapter 3, “
Operation ,” for information on other sampling
options).
The inlet screen assembly helps to prevent large particles and fibers from
entering the instrument and plugging the internal fittings.
Do not operate the
P-T
RAK
®
particle counter without the inlet screen assembly in place . To
attach the sampling assembly:
1. Make sure the quick-connect fitting is in the “unlocked” position. If the
fitting is locked, the sampling tube will not be able to be inserted into
the instrument. To unlock the fitting, press up on the tab under
the fitting.
2. Insert the inlet screen assembly into the fitting and press it firmly until it
snaps into place (see Figure 2-7). It may help to rotate the inlet screen
while inserting.
3. Attach one end of the sample tube to the inlet screen assembly
barbed fitting.
4. Attach the other end of the sample tube to the barbed fitting on the
telescoping probe.