Variable-area flow meter / for air / metal tube / flange
MTF Dandong Top Electronics Instrument (Group) Co.,Ltd

Characteristics

  • Technology:

    variable-area

  • Fluid:

    for air

  • Other characteristics:

    metal tube, flange

  • Process pressure:

    Min.: 0 bar (0 psi)

    Max.: 10000000 Pa (1450.38 psi)

  • Process temperature:

    Min.: -40 °C (-40 °F)

    Max.: 300 °C (572 °F)

  • Volumetric flow rate:

    Min.: 2.5 l/h (0.66 us gal/h)

    Max.: 100000 l/h (26417.21 us gal/h)

Description

MTF smart metal tube variable area flow transmitter is an intelligent instrument that are developed and manufactured in DDTOP. It corresponds the fluid flow signals to analog voltage signals, then converts into 4-20mA two-wire system current signals on which HART communication protocol may be superimposed on it. It has high precision ,low draft ,strong capability of anti-interference, and can realize the functions of remote configuration, monitoring, maintenance and adjustment, etc.

Operating voltage: DC24V
Output signal: two wires, 4~20mA DC+ HART
Flange standard: HG/T20592-2009; HG/T20617-2009 (or on request)
Power supply inlet: M20×1.5(Female) or on request
Input resistance: >100MΩ;
Standard load resistance: 250Ω
Nominal pressure: DN15-DN50:PN≤10.0MPa; DN80-DN100:PN≤6.3MPa
Precision: 1.0% FS (diameter of DN15 and DN 20 is 2.0% FS)
Operating temperature: -40℃~+300℃。
Damping period: (0-32s)
Ambient temperature: -40~+70℃(LCD:-20~+70℃)
Explosion- proof type: Intrinsically safe explosion type: ExiaⅡCT4; Isolation explosion type: ExdⅡCT4
Protection class: IP67
Flow rate range
Water: 2.5 L/h --100000L/h(20℃)
Air: 0.07--1800m3/h(0.1013MPa, 20℃)
Applicable fluid viscosity
DN15、DN20:η<5mPa.s(FZ15.1,FZ15.2,FZ15.3)
η<30mpa.s(FZ15.4,FZ15.5,FZ15.6,FZ15.7,FZ15.8、FZ20.1、FZ20.2)
DN25、DN40: η<250mPa.s
DN50~DN100: η<300mPa.s

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