Teledyne 3000TB, Руководство по эксплуатации

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Trace Oxygen Analyzer Installation
Teledyne Analytical Instruments 31
consists of two restrictors and a union for 1/4” diameter tubing. Notice
that the two 1-3/4” long, 1/4” diameter tubing are restrictors. It has an
open end and a closed end with a small circular orifice. The restrictor
without the blue sticker is for low pressure and vacuum service. For high
pressure applications (5-50psig), use the restrictor that has a blue sticker
on the body.
For pressurized service use the restrictor with the blue dot and
union from the restrictor kit and attach it to the Sample In port. The
small circular orifice should face away from the back of the unit (against
the direction of gas flow).
For positive pressures less than 5 psig use the low-pressure
restrictor without the blue dot in the Sample-in line in the same
manner.
For vacuum service (5-10 in Hg), use the restrictor without the
blue dot sticker and union but attach it to the Exhaust Out port. The
small circular orifice should face toward the back of the unit (against the
direction of gas flow).
Remove the blue sticker from the restrictor before using.
Warning: Operating the unit without restrictors can cause
damage to the micro-fuel cell.
Figure 3-10 is an illustration of the Gas Connector Panel. The unit
is manufactured with 1/4 inch tube fittings, and 6 mm adapters are
supplied for metric system installations. For a safe connection:
1. Insert the tube into the tube fitting, and finger-tighten the nut
until the tubing cannot be rotated freely, by hand, in the
fitting. (This may require an additional 1/8 turn beyond
finger-tight.)
2. Hold the fitting body steady with a backup wrench, and with
another wrench rotate the nut another 1-1/4 turns.