LUGB Vortex Flowmeter

Physical parameters

Medium：Liquid, gas (including natural gas), steam (saturated steam, superheated steam)
Nominal diameter ：    LUGB pipe type                                                DN(15 ~ 500)

Accuracy class:               LUGB pipe type                                                1.0, 1.5 (class 0.5 supplied by agreement)

Nominal pressure:         LUGB Pipe type flange connection.             DN(15 ~ 80) (pre ferred pressure class PN2.5MPa)
DN(100 ~ 200)(preferred pressure class PN1.6MPa)
DN(250 ~ 500)(preferred pressure class PN1.0MPa)

Medium temperature:  LUGB pipe type                                               (-40 ~ +150)℃ , (-40 ~ +260)℃ , (-40 ~ +320)℃
(-40 ~ +420)℃ , (DN40 ~ DN300)℃

Ambient condition：    Ambient temperature                                    (-20 ~ +60)℃ (Normal)
(-20 ~ +40)℃ (Explosion proof)
Relative humidity                                            (5 ~ 95)%RH

Atmospheric pressure                                    (86 ~ 106)kPa

Electrical interface:      M20×1.5 internal thread (other types of joints can be supplied by agreement)

Protection level:           IP65 (IP68 supplied by agreement)

Explosion proof grade:Intrinsically safe and flameproof

Pressure loss:               P ≤ 1.2 ρ_oV² (Unit: △ P– Pa, ρ_o — kg/m³ , V–m/s)

Calibration method:   The company adopts the downstream side pressure measurement for the flowmeter factory calibration

Electrical parameters

Power supply:           24VDC±5%, lithium battery 3.6VDC(service life is more than 2 years)

Output signal:           1.Voltage frequency pulse corresponding to instantaneous flow under working condition (low level ≤ 1V, high level ≥ 6V)
2.Voltage frequency pulse corresponding to instantaneous flow under standard condition (low level ≤ 1V, high level ≥ 6V)
3.Standard instantaneous flow equivalent pulse output (low level ≤ 1V, high level ≥ 6V)
4.Two wire system (4 ~ 20) mA output corresponding to instantaneous flow under working condition (load resistance ≤ 300 Ω)
5.Two wire system (4 ~ 20) mA output corresponding to instantaneous flow under standard condition (load resistance ≤ 300 Ω)

Communication interface: RS485, HART

Display mode:         Intelligent dot matrix  display         128×64 dot matrix LCD in Chinese or English, can display instantaneous flow, cumulative flow, working temperature, pressure, battery voltage or density, instantaneous flow rate, output, menu modification times, etc