4 different types of flowmeters

Flowmeters for Fluid Velocity and Flow Rate Measurement

Flowmeter is an instrument used to measure the flow rate or volume of a liquid or gas as it passes through a pipe or piping system. It determines the flow rate by measuring the pressure difference, velocity, or volume of the fluid as it passes through the pipe. The main purpose of flowmeters is to monitor and control the flow of fluids to help users manage fluids and optimize processes, ensuring the normal operation and efficiency of the system.

  • Specification
  • Video
Specification
  • A FMC240 electromagnetic flowmeter

    FMC240 Electromagnetic Flowmeter

  • A SUP electromagnetic flowmeter

    LDG-SUP Electromagnetic Flowmeter

  • A remote type electromagnetic flowmeter

    LDG-SUP Remote Type Electromagnetic Flowmeter

  • A stainless steel body electromagnetic flowmeter

    LDG-SUP Stainless Steel Body Electromagnetic Flowmeter

  • A liquid turbine flowmeter

    LWGY-SUP Liquid Turbine Flowmeter

  • A vortex flowmeter

    LUGB-SUP Vortex Flowmeter

  • A thermal gas mass flowmeter

    SUP-MF Thermal Gas Mass Flowmeter

  • A wall mounted ultrasonic flowmeter

    SUP-1158J Wall Mounted Ultrasonic Flowmeter

FMC240 electromagnetic flowmeter is based on the working principle of "Faraday's law of electromagnetic induction" and is suitable for flow measurement in various working conditions. Both compact and remote type can be operated remotely by infrared using a universal monitor, reducing operating costs. In the absence of good grounding conditions, the flow rate value remains stable, and it has a stronger lightning protection function.

Features

  • Compatible operation interface can save the user debugging and learning time.
  • IP65 ensures the stable operation of the machine and the safety of the user in harsh environments.
  • Self-diagnosis technology quickly helps users to analyze and solve problems.
  • Special compact circuit design, adjustable excitation parameters and other product characteristics ensure they can meet the requirements of different working conditions.
A FMC240 electromagnetic flowmeter

Parameters

Table 1: FMC240 Electromagnetic Flowmeter Parameters
Function Real-time measurement of instantaneous flow, flow rate, mass flow (when density is constant, and flow accumulation)
Nominal diameter DN10–DN300 (up to DN2,000)
Nominal pressure DN10–DN250: PN< 1.6 MPa
DN300–DN1000: PN< 1.0 MPa
DN1200–DN2000: PN<0.6 MPa
Others be customized
Lining material Neoprene (CR), polyurethane rubber (UR), polytetrafluoroethylene PTFE (F4), polyperfluoroethylene propylene FEP (F46), Teflon (PFA)
Electrode Stainless steel 316L, Harbin alloy (HB and HC), titanium (Ti), tantalum (Ta), platinum and iridium alloy
Medium temperature -10 °C to +180 °C
Ambient temperature -20 °C to +60 °C
Storage temperature -40 °C to +65 °C
Ingress protection Compact: IP65, Remote: Transmitter IP65, Body: IP65, IP68
Signal output Current 4–20mA, pulses and frequency
Communication RS485

LDG-SUP intelligent electromagnetic flow meter bases on the mature Faraday's law of electromagnetic. The main compositions are measuring tube, electrode, excitation coil, pipe lining and converter. It is mainly used for volume measurement of conductive liquid flow in the closed pipeline, including strong corrosive liquid, such as acid, alkali, salt, etc. The product is widely used in the fields of petroleum, chemical, metallurgical, textile, food,pharmaceutical, paper and other industries, as well as environmental protection, municipal administration, water conservancy construction, etc.

Features

  • Small pressure loss and high accuracy
  • Strong adaptability and compatibility of various pipes
  • Stable and reliable, strong anti-interference
  • Good linearity of measure, high repeatability
  • Wide measuring range, complete series
  • No mechanical inertia, sensitive reaction parameters
A SUP electromagnetic flowmeter

Parameters

Table 2: LDG-SUP Electromagnetic Flowmeter Parameters
Accuracy ±0.5%
Nominal pressure 0.6–1.6 MPa
Power supply 100–240V AC, 50/60 Hz, 22–26V DC
Electrode type 316L electrode (standard), HB/HC alloy electrode (strong acid and alkali environment), titanium electrode, tantalum, electrode, tungsten carbide electrode, platinum electrode
Range ratio 10:1
Operating temperature Sensor: -10 °C to 120 °C
converter: -10 °C to 55 °C
Medium > 50 μs/cm
Flow direction Bi-directional
Output signal 4–20mA (load resistance: 0–750Ω), pulse/frequency
Communication RS485, HART
Installation Flange, clamp, thread

Parameters

Table 3: LDG-SUP Remote Type Electromagnetic Flowmeter Parameters
Medium Conductive liquid: > 50 μs/cm
Nominal diameter DN10–DN2,000 optional
Nominal pressure 0.6–1.6 Mpa (Ultra high pressure can be customized)
Accuracy ±0.5%
Range ratio 1:20
Body material Carbon steel
Operating temperature Medium temperature: -10 °C to +180 °C
Ambient temperature: -20 °C to +60 °C
Signal output 4–20mA/pulse/frequency
Communication RS485, HART
Power supply 100–240V AC/24V DC
Electrical connection M20 × 1.5 Thread
Ingress protection IP68
Installation Flange, clamp, thread

Parameters

Table 4: LDG-SUP Stainless Steel Body Electromagnetic Flowmeter Parameters
Medium Conductive liquid: > 50 μs/cm
Nominal diameter DN10–DN250
Nominal pressure 0.6–4.0 Mpa
Accuracy ±0.5%, ±1%
Range ratio 1:20
Body material Stainless steel
Operating temperature Medium temperature: -20 °C to +150 °C
Ambient temperature: -20 °C to +60 °C
Signal output 4–20mA/pulse/frequency
Communication RS485, HART
Power supply 100–240V AC/24V DC
Electrical connection Stainless steel SUS316L, Hastelloy C, titanium, tantalum platinum-iridium
Ingress protection IP65
Installation Flange, clamp, thread

LWGY-SUP liquid turbine flowmeter is a velocity flow meter featuring high accuracy, good repeatability, simple structure, small pressure loss, and convenient maintenance. It is used to measure the volume flow rate of low-viscosity liquids in closed pipelines. It is widely used in chemical industry, metallurgy, water supply, paper making and other industries.

Features

  • Upgrade SMART transmitter, convenient and reliable, 11 units switchable
  • Imported measurement chip, stable quality
  • Compatible with various medium, stable and efficient
  • Precision machining, shock resistance
  • Flow control accurate
A liquid turbine flowmeter

Parameters

Table 5: LWGY-SUP Liquid Turbine Flowmeter Parameters
Measuring medium Liquid (water, refined oil, organic liquid, inorganic liquid and other liquids without fiber and particle impurities)
Nominal diameter DN4–DN200
Accuracy 0.5% FS, 1% FS
Dielectric viscosity < 5 × 10–6 m²/s (> 5 × 10–6 m²/s liquid, require solid liquid calibration)
Medium temperature -20 °C to +120 °C (Stainless steel pipe)
Environmental conditions Ambient temperature: -20 °C to +60 °C
Relative humidity: 5%–90%
Atmospheric pressure 86–106 kPa
Power supply 3.6V lithium battery, 12V DC, 24V DC
Output signal Pulse, 4–20mA, RS485
Ingress protection IP65 (IP67, IP68, IP00)
Installation Flange/clamp/thread

LUGB-SUP vortex flowmeter has no moving mechanical parts, so it has high reliability, less maintenance, and long-term stability of instrument parameters. The vortex flowmeter adopts piezoelectric stress sensor, which has high reliability and can work in the working temperature range of -20 °C to +250 °C. It has analog standard signal and digital signal output. It is easy to be used with computer and other digital systems. It is a relatively advanced and ideal measuring instrument.

Features

  • Compatible with many medium
  • Power supply optional
  • Display of parameters on the same screen
  • Integrated temperature and pressure compensation
  • Small-flow resection
  • Intelligent anti-interference
A vortex flowmeter

Parameters

Table 6: LUGB-SUP Vortex Flowmeter Parameters
Nominal diameter DN20–DN300 (Compact/Remote), DN300–DN1000 (Insert)
Nominal pressure Flange clamp (PN 2.5 Mpa), flange connection (PN 1.0–2.5 Mpa) depending on the caliber
Accuracy ±1% R (conventional), ±1.5% F.S, Insertion: ±25% R, ±2.5% F.S
Power supply Sensors: 12V DC, 24V DC
Transmitter: 12V DC, 24V DC
Battery powered type: 3.6V powered
Range ratio 10:1, 15:1, 20:1
Output signal Square wave pulse: high level ≥ 6V, low level ≤ 1V
Current: 4–20mA
Ingress protection IP65
Environmental conditions Temperature: -20 °C to 55°C
Relative humidity: 5%–95% RH
Atmospheric pressure: 86–106 kPa
Medium Gas, liquid, steam

Parameters

Table 7: SUP-MF Thermal Gas Mass Flowmeter Parameters
Medium Gas
Nominal diameter DN65–DN1000
Nominal pressure ≤ 2.5 Mpa
Accuracy ±2.5%
Range ratio 1:100
Body material Stainless steel
Operating temperature Medium temperature: -40 °C to +300 °C
Ambient temperature: -20 °C to +45 °C
Signal output 4–20mA/pulse
Communication RS485
Power supply 220V AC/24V DC, Power > 18w
Electrical connection M20 × 1.5 thread
Ingress protection IP65
Installation

Parameters

Table 8: SUP-1158J Wall Mounted Ultrasonic Flowmeter Parameters
Medium Water
Nominal diameter Clamp-on: 1"–48" (25–1200 mm)
Nominal pressure
Accuracy ±1.0%
Range ratio Customizable
Body material PC/ABS
Operating temperature Medium temperature: 0 °C to +50 °C
Signal output OTC Pulse output: 0–5,000Hz
Analog output: 4–20mA, max load 750Ω
Communication RS485
Power supply 10–36V DC/1A
Electrical connection
Ingress protection IP65/IP68
Installation Wall mounted
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