Rotameter With Analog Output

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  • Air Quality and Emission Measurement Methodology at Swine Finishing Buildings
    … manifold Machine shop constructed, 3.8 cm × 46 cm 16 3,000 Mixing manifold Machine shop constructed, 3.8 cm × 31 cm 16 2,000 Flow rotameter Dwyer Model VFA-24 … … 5,200 Temperature sensors Analog Devices No. SNSR-AD592 … … input CIO-DAS-TEMP 4 3,200 Relay interface board SSR-RACK24 6 1,000 3-32 VDC input relays SSR-IDC-05 20 200 0-60 VDC output relays SSR-ODC-05 … … less than 60 s with insignificant losses in accuracy …
  • Development and testing of industrial scale, coal fired combustion system, Phase 3. Third quarterly technical progress report, July 1, 1992--September 30, 1992
    The three new combustor cooling water flow sensors, whose outputs were logged by the computer, appear to have operated properly in test DP2, yielding flows that were in global agreement with flows previously measured by rotameters and dial gauges. … test priorities, the individual sensor flows were not systematically verified against the corresponding analog device during DP2.
  • In vitro assessment of infant pulmonary function equipment
    The resistance of the PNT was assessed bidirectionally using known flows of air from the calibrated rotameters and measuring the pressure drop across the apparatus with a Validyne MP45 2 50 cm H,O pressure trans- ducer. The output of the transducer was digitized at 200 Hz, using an Analog Devices A-D converter, and data was collected on an I[BMcompatible 386 personal com- puter using RASP software (Respiratory Analysis Pro- gram, Physio Logic, Newbury, England).
  • Measurement of Endogenous Nitric Oxide Production
    An Ohmeda TVX volume sensor clip was placed on the rotameter in the expiratory limb of the … Analog signals of the end tidal CO2 and £ow waveforms were passed through a self-designed signal noise … … recorded on 2-channel strip chart recorders (Kipp & Zonen, Bohemia, New York, U.S.A.) along with the output of the NO chemiluminescent …
  • The development of small solar concentrating systems with heat storage for rural food preparation
    A rotameter (variable area £ow meter) is installed in line with the £ow meter to check the calibration of the electrical £ow meter. The output digital and analog signals of the DACS can be controlled by the personal computer.
  • Controllers implementation based on softcomputing for non-linear process
    … up for this system consists of a spherical tank , a water reservoir, pump, rotameter , a differential pressure … The differential pressure transmitter output is interfaced with computer using ADAM’s 5000 Advantech module in the RS- 232 port of the PC. This module supports 8 analog input and 4 analog output channels with the voltage range of ±10 …
  • Minimum spouting velocity of dense particles in shallow spouted beds
    The MFC was controlled by the National Instrument (NI) computer via analog output ports on the NI PXI 6052E data acquisition card driven by NI computer. One part of the air passed through a rotameter (used for controlling the flow split) and a humidifier before recom- bining with the remaining part of air and flowing on to the spouted bed inlet.
  • Measurement of dynamic gas disengagement profile by using an analog output level gauge
    The analog output gauge is connected to a data acquisition board which in turn is calibrated to record the gas liquid dispersion height in feet units. … by filling the column up to a certain level (above 1 m height) with liquid and recording … Air was introduced through a rotameter , and a gas distributor into the column.
  • Dynamics of heat transfer to cold eggs in incubating bantam hens and a black grouse
    Water flow trough the eggs was kept constant with a rotameter and measured with a measuring cylinder over three f-min periods. The thermocouple amplifiers, thermopile and electri- cal output from the O2 analyser were connected to an analog to digital converter (A/D) connected to a computer .
  • Air Quality Monitoring and On-Site Computer System for Livestock and Poultry Environment Studies
    These include gas tubes, regular rotameters , handheld anemometers, psychrometers, and certain gas monitors (e.g., electrochemical gas … Type 1 and Type 2 devices are readily connectable to an on-site computer, as are Type 3 devices with analog outputs .