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TH Series Thermal Mass Flowmeters 


                         

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        TH user's Manual  

        FLOWMEET TH Series Insertion Thermal Mass Flowmeters for gases have outstanding performance for the measurement of all types of gases. This type of flow meter can be used for any type of gas. They do not have moving parts, the presence of vibrations in the pipe does not affect their measurement, these characteristics result in having the virtues so desired for all flowmeters such as: maintenance-free, being suitable for applications as diverse as gas measurement. They have a very wide working temperature range (-40 to 350 ° C). They have Pulse Output and 4-20 mA, RS-485 communication. In turn, as a fundamental characteristic, given their physical operating principle, they DO NOT need temperature or pressure compensation. They have Exd II CT4 anti-explosive certificate.

        TH Series Insertion flowmeter models
        Models    FM-450TH   FM-450TH-RMT  
        Electronics Integrated Remote
        Sensor housing material 316 316
        Minimum diameter [mm] 80 (3'') 80 (3'')
        Maximum diameter [mm] 450 (18'') 450 (18'')
        Nominal pressure [MPA] 6 6
        Fuid temperature (min/max) [°C] -40/350 -40/350
                   Ambient temperature (min/max) [°C]            -20/45 -20/45




        TH Series full bore flowmeters
        Models FM-015TH FM-025TH FM-032TH FM-040TH FM-050TH FM-065TH FM-080TH FM-100TH
        Connection [inches] 1" ASME-150 1" ASME-150 2" ASME-150 2" ASME-150 2" ASME-150 3" ASME-150 3" ASME-150 4" ASME-150
        Air Flow (min/max) [Nm3/h] 0.3 / 65 0.8 / 175 1.4 / 290 2.2 / 450 3.5 / 700 6 / 1200 9 / 1800 14 / 2800
        Nitrogen Flow (min/max) [Nm3/h] 0.3 / 65 0.8 / 175 1.4 / 290 2.2 / 450 3.5 / 700 6 / 1200 9 / 1800 14 / 2800
        Oxigen Flow (min/max) [Nm3/h] - / 32 - / 89 - / 144 - / 226 - / 352 - / 600 - / 900 - / 1420
        Hydrogen Flow (min/max) [Nm3/h] - / 10 - / 28 - / 45 - / 70 - / 110 - / 185 - / 280 - / 470
        Methane Flow (min/max) [Nm3/h] - / - - / - - / - - / - - / - - / - - / - - / -
                   Nominal pressure [MPA]           2 2 2 2 2 2 2 2
        Fuid temperature (min/max) [°C] -10 / 220 -10 / 220 -10 / 220 -10 / 220 -10 / 220 -10 / 220 -10 / 220 -10 / 220
        Ambient temperature (min/max) [°C] -10 / 45 -10 / 45 -10 / 45 -10 / 45 -10 / 45 -10 / 45 -10 / 45 -10 / 45


        Technical data
        Computer

        • Accuracy: Better than +/- 1%

        • Degree of protection: IP-68

        • Protection Ex IIC T4

        • Alimentacion: 24VDC

        • Outputs: 4-20mA

        • Alarma alto caudal

        • Alarma de bajo caudal

        • Pulse output

        • RS-485 communication

        Product description

        TH Series Insertion Thermal Mass Flowmeters make use of the thermal mass flow measurement principle. They are mass flow meters that have two RTD probes positioned in the flow. The upper sensor measures the temperature of the fluid, while the second heats up to a higher temperature than the first sensor. Heat is transferred from the second sensor to the fluid at a rate corresponding to the mass flow rate. The probe is kept at a constant temperature through a control loop circuit and the voltage necessary to keep the temperature constant in said probe is used to measure the speed of the fluid.

        Common Applications

        • CO2 measurement in breweries

        • nitrogen and oxygen measurement in steel plants

        • gas leak detection

        • flue gas measurement

        • methane measurement

        • medición de gases húmedos y corrosivos para digestores de lodo

        • Applications in the medical industry and laboratories (compressed air measurement, argon and helium measurement)

        Our clients and their applications

        • Gente de La Pampa S.A.

        • Sales de Jujuy S.A.

        • Italem S.A.