Ametek ASR900, Руководство по установке и обслуживанию

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3-12 | Heated Acid Gas Sample Probe (Large Diameter)
Shelter Installations:
Route the Sample Line through the hole marked “Sample Line” on the
side of the shelter and connect it to the Sample Inlet fitting.
Route the Vent Line through the hole marked “Vent Line” on the side
of the shelter and connect it to the Vent Outlet fitting.
If the Sample and/or Vent Lines have extra length between the HAG
Probe and the analyzer, properly secure them to avoid any sags or
sharp bends (to prevent plugging).
12. Install the Aspirator Drive Gas Line (see “Connecting the Aspirator
Drive Gas Line”) and then return to this procedure.
Install the Zero/Cal gas line as per the analyzer and/or HAG Probe
drawings. This line, which must be 316 stainless steel, is supplied by
the customer/end user (unless it is integrated in the Sample Line).
13. Using a suitable detergent-based leak detection fluid (e.g., Snoop
®
),
leak-check the threaded connections at the Pipe Adapter threads,
flange assembly, and Sample/Vent Line fittings on the HAG Probe, and
the Aspirator Gas Line fittings on the HAG Probe and at the analyzer.
Use the Aspirator Drive Gas to perform the leak check and observe
the Drive Gas pressure gauge for any noticeable pressure loss.
To avoid damaging the pressure transducer when leak-checking the
sample system, use a maximum of 10 PSIG.
For detailed information about leak-checking fittings, refer to “Sample
System Leak Check” in Chapter 3 of the analyzer manual.
14. If no leaks are present, secure the Heater Assembly on the top of the
HAG Probe:
a. Ensure the joining surfaces (heat transfer) of the Heater Block (un-
derside of the Heater Assembly and the top of the HAG Probe) are
free of debris. Use a non-abrasive cloth to gently clean the joining
surfaces, if necessary.
b. Place the Heater Assembly on the HAG Probe with the Junction
Box positioned on the side where the conduit ( North American
installations ) or cable ( European installations ) from the analyzer
will be installed.
!
CAUTION

NOTE