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Your present location:Home >> Product Center >> Flow Measurement Sensor >> FST900-201 Vortex flowmeter
  • Product Name: FST900-201 Vortex flowmeter
  • Product Model: FST900-201
  • Product Features: Simple and solid structure, no moving parts, high reliability; Easy to install and easy to maintain
  • Product Features1:
  • Applicable Scope: ■ Chemical, petroleum ■ Metallurgy, light industry ■ Environmental protection, municipal

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Product Introduction
The vortex flowmeter is a new type of flowmeter based on the principle of Karman vortex street. It is suitable for measuring the mass flow and volume flow of general gas, water and liquid of superheated steam, saturated steam and compressed air. Widely used in chemical, petroleum, metallurgy, light industry, environmental protection, municipal, power and other departments.
Product Features
■ Simple and solid structure, no moving parts, high reliability, long-term operation is very reliable
■ Easy to install and easy to maintain
■ The detection sensor does not directly contact the measured medium, and the performance is stable and the service life is long.
■ Measured is a pulse signal proportional to the flow rate, no zero drift, high precision
■ Wide measurement range with a turndown ratio of 1:10 or 1:15
■ Less pressure loss, lower operating costs, more energy-saving meaning
■ Using ultra-low power technology, battery power can run for more than two years
■ Temperature and pressure compensation integrated design, showing both flow value and cumulative flow value, temperature and pressure values do not have to be switched in turn
Applicable Scope
■ Chemical, petroleum
■ Metallurgy, light industry
■ Environmental protection, municipal, electric power and other departments
Technical Index
Applicable medium
Liquid, gas, steam (single-phase medium or medium that can be considered as single-phase)
Saturated steam can be considered as single-phase medium when the dryness is ≥85%
Measuring range
Liquid: 0.35~7.0m/s 
Gas: 5.0~60.0m/s Steam: 6.0~70.0m/s
Accuracy 1.0 level 1.5 level 2.5 level
Signal output
1. Frequency pulse signal 2~3000Hz Low level ≤1V High level ≥5V
2. Two-wire 4-20mA signal Explosion-proof type load ≤300Ω Non-explosion-proof type load ≤500Ω
Medium temperature -40~+300°C; 350~450°C (capacitive type, agreement order)
Medium pressure 1.6Mpa 2.5Mpa 4.0Mpa ≥4.0Mpa specification agreement order
Allowable vibration acceleration Capacitive sensor: 1.0~2.0g Piezoelectric sensor: ≤0.2g
Range ratio 8:1 10:1 15:1
Material 304, other material agreement order
specification
Full pipe flange card type specification is DN15-DN300
Plug-in DN200-DN1500 (more than DN1500 can be ordered)
Resistance coefficient Full tube Cd ≤ 2.6
Protection level
Normal type: IP65 diving type: IP68
Explosion-proof grade
Intrinsically safe: EXia IICT2-T5
Explosion-proof type: Exd IIBT2-T5
Working power Pulse type 12VDC ~ +24VDC current type 12VDC ~ +24VDC 4-20mA battery powered 3.6V
Strong pressure 86KPa~106KPa;
Relative temperature 5%~95%RH
Ambient temperature -20℃~+60℃
FAQ
1. Q: Are you manufacturer or trading company?
    A: We are 54 years professional manufacturer of Pressure | Temperature | Magnetostrictive position| Liquid level | Radar level | Flow measurement | Wind speed & direction | Display & control | Load cell sensors and wireless IOT measurement transmitters. We provide high quality products with high competitive factory price.
 
2. Q: What's your quality control system?
    A: As an ISO9001:2008 certificated manufacturer, we have strict quality control system, and each product is done fatigue testing, calibration, temperature compensation before shipment. High quality is guaranteed.
 
3. Q: Is there MOQ with your product?
    A: We have no MOQ limits, 1pc for testing is acceptable.
 
4. Q: Do you provide customized products?
    A: Yes, we can print your logo on our products; OEM, ODM & customization are welcomed.
 
5. Q: What is the warranty of your products? And after-sales service?
    A: Our warranty time is 12 months after shipment, and our after-sales will respond with your questions in 24hrs, remote instruction by PC network is always available.
 
6. Q: What is lead time of your product?
    A: We are factory, our lead time is always within 7~10 working days for products without customization, but lead time will vary based on different products. You can check detail lead time with our sales.
 
7. Q: What international certificates do you have for your products?
    A: we have CMC, CE, Ex, RoHS and other certifications.

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