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Dewpoint Range:
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Low: within 1% of inlet gas water concentration
(e.g. 10ppm inlet gas produces 11ppm outlet gas)
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High: typically 10°C below ambient temperature, can be placed in a heated enclosure for higher dewpoint measurements
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Repeatability:
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+/- 2°C (dp), in the range of -65°C to 0°C (dp)
Inlet Gas: Dewpoint: not to exceed 1% of desired low water concentration
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Pressure:
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Regulate to 50 psig maximum
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Flow rate:
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20 LPM maximum
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Inlet & Outlet connections:
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1/8” or 1/4” Swagelok tube fittings.
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Materials:
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All materials exposed to dry gas are: stainless steel, borosilicate glass tubes,
Viton ‘O’ rings. Materials exposed to non-dry gas have in addition: brass, aluminum
alloy, polycarbonate.
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Principle of Operation:
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The flow meters are adjusted to produce a blend of dry and
saturated gas, to achieve the desired dewpoint.
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