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Chapter 4: Installation
If the Air Purifier is not installed, then the Analyzer must be attached to a source of dry, oil-free gas that contains
less than 1 ppb CO
, and which is regulated from 10 to 20 psig (69 to 138 kPa). Purified air or nitrogen are
2
suitable gases.
In either case, press a 1/4-in. OD flexible tube (such as polyethylene tubing) into the CARRIER GAS INLET port on
the right side of the Analyzer. The other end of the tube should be connected to the gas source.
Secure all gas cylinders to an immovable structure or permanent wall. Wear eye
protection when using compressed gases to avoid possible eye injury. Only use
regulators designed for use with the selected gas. Store compressed gases in
accordance with all safety codes.
If the Analyzer is used with compressed gases, the pressure of the gas at the gas inlet must not
exceed 20 psig (138 kPa). Use only nitrogen or CO
Installing the Gas Supply for the IP56 Accessory
If the IP56 accessory is installed, the Analyzer employs dry, oil-free gas to purge the electronics area to prevent
dust accumulation on sensitive components. The tube from the gas source used for the carrier and sparge gas
may be teed to also provide gas to the IP56 accessory. After installing the tee in the gas tubing, press a 1/4-in.
OD flexible tube (such as polyethylene tubing) into the inlet of the Gas Filter mounted on the right side of the
Analyzer. Tubing from the outlet of the filter is connected to the OPTIONAL GAS INLET port on the right side of
the Analyzer. The maximum gas pressure is 100 psig (689 kPa).
GE Analytical Instruments ©2016
Figure 30: Determining Required Purge Flow
Table A
Warning
Warning
-free air.
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101 of 270
Table B
DLM 68100-09 EN Rev. A
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