Michell Instruments QMA401, User Manual

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QMA401 User’s Manual
16 97450 Issue 2, March 2018
OPERATION
3.4 Description of Measured Parameters
Moisture content ppm
V
Parts per million of H
2
O by volume
Moisture content ppm
W
Parts per million of H
2
O by weight
Moisture content mg/m
3
Milligrams H
2
O per cubic meter gas
Water Vapor Pressure Pa Water vapor pressure in pascals
lbs/MMscf Pounds H
2
O per million standard cubic feet
Frost Point
Frost point temperature of either ideal or natural gas depending
on options set on measurement screen
Oven Temperature Temperature of the internal oven
Flow Gas flow rate
Cell Pressure Pressure measured by the internal pressure transducer
Ext. Pressure
Pressure measured by an external pressure transducer (if
fitted)
3.5 Main Screen
Figure 10
Main Screen