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Industry high accuracy widely flow range Liquid Turbine Flow meter

The QFM404 Liquid Turbine Flow meter is a velocity flow meter, which converts the flow of liquid in the pipeline into an electrical pulse signal, and is processed by a display instrument or a computer system to complete the measurement or total measurement of liquid flow in the pipeline.

It works with the display instrument, which can measure closed pipes’liquids of which kinematic viscosity is under 5*10-6 ㎡/s, have no impurify of fibre,grain etc., and no corrosive interaction with the stainless steel ,1Cr18Ni9Ti,2Cr13,and A12O3, and hard alloy in seal pipes. If it is matched with a display instrument with special functions, it can also carry out quantitative control, overdosage alarm and etc.

    Features:

      High accuracy,can reach ± 0.5%R

      Good repeatability (short-term one reaches 0.05%--0.2%)

      Pulse frequency signal output /High frequency (3-4kHz) /high resolution

      Wide range ability,compact and light weight structure, convenient installation and maintenance, extensive application ability

      Customized low temperature type, high pressure type, sanitary type

    Specification:

    Nominal Diameter

    DN4-DN300

    Accuracy

    Regular accuracy ±1%R ,±0.5%R

    Flow Range

    Related to the accuracy ±1%R 0.4m3/h~1300m3/h /±05%R 0.6m3/h-1600m3/h

    Nominal Pressure

    1.0MPa~6.3MPa

    Environmental Conditions

    Ambient temperature:-30~+70℃; Relative humidity.5%~90% Atmospheric pressure:86~106kPa

    Medium Temperature

    Normal temperature:-20~+100°C Explosion proof temperature:-20~+70℃ (High temperature type can be customized)

    Power Supply

    Two wire system:+24VDC Three wire system:+12VDC+24VDC Battery powered

    Output Signal

    Two- wire output:Output low level IOL≈3mA, Output high level IOH≈13mA(square wave)Load resistance R(induding line impedance)in the range of 100 to 5000 (depending on the configured display meter or other receiving device input signal requirements,select the appropriate R value) b.Three wire output :VOP - P≥5V (square wav

    Communication Distance

    ≤1200mm

    Installation

    Thread/Flange/Clamp