Installing the Analyzer AccuPyc II 1340
2-4 June 2013
Rear Panel Connections
1. Attach an appropriate regulator to the gas supply bottle or gas line, then tighten with a
wrench. Leave the gas bottle shut-off valve closed until instructed otherwise.
2. Attach the gas inlet line to the regulator, reducer fitting, or regulator expansion:
Multiple gases can be attached to the pycnometer using the Multigas option (refer to
ORDERING INFORMATION, page 6-1).
Bottle Shut-Off
Valve
Shut-Off Valve
Nut
Two-Stage Pressure
Reducing Regulator
Gas Bottle
Brass Reducer
Fitting
Copper Tubing
Regulator
Shut-Off Valve
Pressure Control
Knob
It is very important to use the inlet tubing supplied with the analyzer. Gas lines made
of materials other than copper or stainless steel can cause operational problems as
well as inaccurate data.
If regulator has ..... Then .....
1/4-in outlet Attach the reducer fitting to the outlet of the regulator shut-off/
isolation valve
Tighten the nut finger-tight, then 1-1/4 turns with a wrench.
Continue with the steps given for the 1/8-in outlet
1/8-in outlet Insert the gas tubing into the fitting.
Make sure the tubing is seated fully inside the fitting.
Tighten the nut finger-tight.
While holding the fitting body steady, tighten the nut with a
wrench 3/4 turn.
Do not overtighten the fittings. Doing so can collapse the brass ferrule and cause a
leak.
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