engleski

PERFORMANCE OF SINGLE-TEMPERATURE (1-T) DEW POINT GENERATOR OF LPM-CROATIA

The two-temperature (2-T) humidity generator developed at Laboratory for Process Measurement (LPM) is presently being modified to work in a single-temperature (1-T) dew point generator mode. It is designed to eventually operate in dew point range from -20°C to 60°C. The air flow through saturator is monitored and set to the desired levels with flow meters and valves. Gas saturation degree is determined by measuring the temperature differences between saturator gas outlet and liquid at the saturator inlet. Thermometers are connected to the resistance bridge, which is connected to the computer for monitoring and data acquisition on the custom designed, LabView based platform. The design features of the generator are presented. The generator is tested for stability and repeatability at 5°C and 15°C. The test results as well as example uncertainty estimates of the dew point generation are being presented.

two temperature humidity generator

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