700M HFID 6-2-15
21
If the analyzer does not contain the optional internal sample pump, the sample gas entering the
instrument should be between 8 and 25 PSIG with a minimum flow capacity of 3 liters/min.
If the analyzer does contain the optional sample pump, DO NOT pressurize sample inlet.
CAUTION: If the analyzer contains an optional internal sample pump, the introduction
of a sample gas with pressure in excess of 2.0 PSIG will damage the pump.
The optional pump is capable of drawing a sample through a ¼-inch heated sample line of
approximately 85 feet.
Sample Gas Bypass Outlet and Vent
A sample gas bypass outlet connector is located on the analyzer’s rear panel (¼-inch
tube). Pressure at this outlet (Exhaust port) should be kept at atmospheric level. ANY
backpressure will cause an error in reading. Vent the bypass gas away from the analyzer.
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