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      月恒儀器儀表

      Yueheng Instrument & Apparatus

      PRODUCTS

      Yueheng Instrument & Apparatus

      PRODUCTS

      ○  Metal tube float flowmeter

      ○  Micro metal tube float flowmeter

      ○  All stainless steel metal tube float flowmeter

      ○  Magnetic filter

      ○  Imported series glass rotameter

      ○  Domestic series glass rotameter

      ○  Plastic rotameter

      ○  Panel flowmeter

      ○  Pipeline flowmeter

      Vortex Flowmeter

       

      Summary
      Vortex flowmeter is a new type of flowmeter with international advanced level, which is developed based on the principle of Karman Vortex Street. It is suitable for measuring superheated steam, saturated steam, general gas and liquid.
      Product features
      ◆ Simple structure, no moving wear parts.
      ◆ High measurement accuracy and reliability, without on-site commissioning.
      ◆ It can transmit flow signals at a long distance, and can be connected with computers to realize centralized management.
      ◆ The amplification board adopts a unique design, which is universal for gas and liquid.
      Technical indicators
      ◆ Accuracy class: 1.0 1.5
      ◆ Nominal pressure: 1.6MPa, 2.5MPa, 4.0MPa and above
      ◆ Temperature of measured medium: - 40 ℃~350 ℃
      ◆ Pressure loss: resistance coefficient cd ≤ 2.4
      ◆ Power supply: 12~24VDC
      ◆ Explosion-proof grade: la Ⅱ CT6 (intrinsically safe explosion-proof)
      ◆ Output signal: voltage pulse low level ≤ 1V high level ≥ 6V, standard current signal 4~20mA
      ◆ Accuracy class: 1.0 1.5
      ◆ Nominal pressure: 1.6MPa, 2.5MPa, 4.0MPa and above
      ◆ Temperature of measured medium: - 40 ℃~350 ℃
      ◆ Pressure loss: resistance coefficient cd ≤ 2.4
      ◆ Power supply: 12~24VDC
      ◆ Explosion-proof grade: la Ⅱ CT6 (intrinsically safe explosion-proof)
      ◆ Output signal: voltage pulse low level ≤ 1V high level ≥ 6V, standard current signal 4~20mA
      Flow range


      Sensor diameter
      (mm)
      Liquid (calibration medium: normal temperature water) Gas (calibration medium: air at 20 ℃ 101325Pa)
      Standard Extensibility
      15 0.8~6 0.5~8 6~40 5~50
      20 1~8 0.6~12 8~50 6~60
      25 1.5~12 0.8~16 10~80 8~120
      40 2.5~30 2~40 250~200 20~300
      50 3~50 2.5~60 30~300 25~500
      65 5~80 4~100 50~500 40~800
      80 8~120 6~160 80~800 60~120
      100 12~200 8~250 120~1200 100~2000
      125 20~300 12~400 160~1600 150~3000
      150 30~400 18~160 250~2500 200~4000
      200 50~800 30~1200 400~4000 350~8000
      250 80~1200 40~1600 600~6000 500~12000
      300 100~1600 60~2500 1000~10000 600~16000
      400 200~3000 120~5000 1600~16000 1000~25000
      500 300~5000 200~8000 2500~25000 1600~40000
      600 500~8000 300~10000 4000~40000 2500~60000

      Overall dimension

      Caliber L1 L2 D1 D2 H D3 N
      20 65 95 125 100 460 13 4
      25 65 95 125 100 460 13 4
      40 75 109 145 110 470 13 4
      50 75 109 160 125 481 17 4
      65 75 117 180 145 497 17 6
      80 80 122 195 160 510 17 6
      100 90 132 230 190 544 17 8
      125 100 146 245 210 564 17 8
      150 120 170 280 240 594 21 8
      200 150 200 335 295 646 21 12
      250 160 214 405 355 708 21 12
      300 170 224 460 410 760 21 12

      Instrument installation

      The sensor shall be installed on the horizontal, vertical, inclined (liquid flow from bottom to top) pipeline with the same diameter. The upstream and downstream of the sensor shall be equipped with a certain length of straight pipe section, which shall meet the requirements of 15~20D for the front straight pipe section and 5~10D for the rear straight pipe section. The pipeline near the liquid sensor shall be filled with the measured liquid. The sensor shall not be installed on the pipeline with strong mechanical vibration. The inner diameter of the straight pipe section shall be consistent with the diameter of the sensor as much as possible. If it cannot be consistent, the pipe slightly larger than the diameter of the sensor shall be used, and the error shall be ≤ 3%, not more than 5mm. If the measured medium contains many impurities, a filter shall be installed beyond the length required by the straight pipe section upstream of the sensor. The sensor shall not be installed in places with strong electromagnetic interference, small space and inconvenient maintenance.

      Summary

      On-site display vortex flowmeter has the characteristics of miniaturization, micro-power consumption, intelligence, etc., realizing the measurement, display and integration of flow parameters. The field display instrument is used in an environment where the power supply is not convenient: the instrument is designed with an ultra-low power consumption chip, which is convenient to operate, and is at the leading level among similar domestic products.

      Model LUGB-X liquid crystal type
      Double-row LCD, 8-digit digital display
      User can set small signal cutoff
      4~20mA two-wire current output (equipped according to user's order requirements)
      Online temperature compensation, manual fixed value density compensation
      12V~24V or 3.6V lithium battery power supply

      Flow range of plug-in vortex flowmeter

      The plug-in vortex flow sensor is applicable to the measurement of superheated steam, saturated steam, general gas and liquid above DN200 pipe; It can be displayed on site or output remotely; Its installation is convenient and the price is cheap; Accuracy: ± 1.5%, ± 2.5%.

      Drift diameter DNmm 200 250 300 350 400 450 500

      liquid m³/h

      55~570 88~885 125~1275 170~1735 225~2265 286~2670 350~3540

      Gas m³/h

      560~4530 880~7070 1270~10180 1730~13860 2260~18100 2860~22905 3530~28275

      Drift diameter DNmm

      600 700 800 900 1000 1100 1200

      liquid m³/h

      505~5090 690~6930 900~9050 1145~11450 1410~14140 1710~17110 2035~20360

      Gas m³/h

      5080~40715 6925~55420 9045~72380 11450~91605 14135~113095 17100~136840 20235~162850

      Drift diameter DNmm

      1300 1400 1500 1600 1800 2000  

      liquid m³/h

      2385~23895 2770~27710 3170~31800 3610~36200 4580~45850 5650~56550  

      Gas m³/h

      23890~191125 27705~221160 31700~254455 36105~289510 45750~366410 56545~452365  

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