plug-in flowmeter

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Plug-in) turbine flow meter: Product Parameter: Accuracy class: ± 2.5% Medium temperature: -20 ℃ ~ +100 ℃ Ambient temperature: -20 ℃ ~ +50 ℃ Power Supply:-12V, +12 V, 24V DC Nominal Pressure: Pipeline: 1.6,2.5,4.0,6.3,16,25,32 MPa Plug-in: 0.6,1,1.6 MPa Connection Type: flange, flange clamp, screw Explosion-proof: Exm Ⅱ T4 FEATURES: • High-quality ruby bearings for excellent low-flow performance and long life • One easily-replaced moving part • Pickup exerts no magnetic drag on the rotor • Square-wave frequency output can connect directly to PLC's or counter controls • Indicator or transmitter can be mounted on the flowmeter or remote • Fittings are available in a wide variety of materials and sizes Parameter Accuracy: +1% of full scale Flow Range: 0.2 - 30 ft/sec (.06 - 9.14 m/sec) Sensor/Output: Hall Effect Sensor - 12 VDC current sinking pulse Maximum Pipe Pressure: Polypro: 175 psi @ 75º F (12 bar) Brass: 200 psi (14 bar) 316 SS: 250 psi (17 bar) Maximum Temperature: Polypro: 130º F (55º C) at 0 psi Brass, SS: 200º F (93º C) at 0 psi Nominal K-factor: 11 Hz/F/s (3.6Hz/M/s) Power: 6 - 24 Vdc, 8 mA minimum Materials: Sensor Body: Polypro, Brass, 316 SS Rotor: Polypro Shaft: Nickel-bound tungsten carbide Bearings: Ruby Cable: #22 AWG 3-con 18' (6m) Maximum Cable Run: 2,000' (650m) Weight: ~2lbs (907g) Dimensions: 1-1/2" dia. x 4" long(3.8 cm dia. x 10 cm long) How Insertion Flowmeters Work Insertion flowmeters measure flow at one location in a pipe and use this measurement to infer the flow in the entire pipe. Differential pressure, magnetic, target, thermal, turbine, and vortex shedding insertion flowmeters can be used to measure flow at one location. When the velocity profile is distorted, such as after an elbow, using measurements from multiple measurement locations can increase accuracy. Hydraulic issues associated with an application, such as the measurement location, are similar for the different flow measurement technologies (i.e., differential pressure, magnetic…). For larger pipes, the measurement location is usually representative of the average flow rate. For smaller pipes, the measurement location is usually at the centerline of the pipe, and hydraulic relationships may be used to calculate the average flow rate. Some manufacturers use proprietary measurement locations. Application Cautions for Insertion Flowmeters Understand that, unlike a full-bore flowmeter, insertion flowmeters do not measure the flow in the entire pipe --- they infer the flow in the entire pipe from a small number of measurements. Hydraulic and other measurement issues can result in large measurement errors. Be sure that adequate straight piping is installed upstream to condition the flow so that the flow at the point of measurement represents the average, center-line, or proprietary flow that was used for calibration purposes. Locate the sensor properly so as to measure at the correct location, because failure to do so directly affects measurement accuracy. Make provisions to remove the flowmeter, such as installing a valve and sealing arrangement when the pipe cannot be taken out of service

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Tianjin Sure Instrument Science & Technology Co.,

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