Metallurgy SS304 Explosion Proof Vortex Flow Meter
Industrial Oil Flow Meter Vortex Flow Meter with Explosion Proof
1. Introduction
LUGBML based on the vonkarman vortex principle, piezoelectric crystals are used as test elements. It is a new type of vortex flowmeter for stress detection. It has the advantages of large measuring range ratio, high precision, small pressure loss, good versatility of medium, proportional pulse output to flow rate and convenient connection with computer, because the probe and eddy current generator of the sensor are installed separately, and the high temperature resistant piezoelectric crystal does not touch the instrument. LUGBML series of vortex flowmeter sensors can be used to detect and measure the flow rate of various gases, liquids and vapors. Can be used with our ML6000 series vortex Flowmeter. It can also work with computers and temperature, pressure, density sensors to form a high-precision mass flow or heat flow detection system.
2. Working Principle
Vortex flowmeter is based on Karman vortex street principle to measure the volume flow of gas, steam or liquid, volume flow or mass flow under standard conditions. It is mainly used for the flow measurement of industrial pipeline medium fluid, such as gas, liquid, steam and other media.
It is characterized by small pressure loss, large measuring range and high precision. It is hardly affected by the parameters such as fluid density, pressure, temperature and viscosity when measuring the volume flow. There is no movable mechanical parts, so the reliability is high and the maintenance is small. The instrument parameters can be stable for a long time. The vortex flowmeter adopts piezoelectric stress sensor with high reliability, which can work in the temperature range of - 20 ℃ to + 250 ℃. It has analog standard signal and digital pulse signal output. It is easy to use with computer and other digital systems. It is an advanced and ideal measuring instrument.
3. Specifications
| Pipeline Diameter(mm) and Connection |
4,6,10,15,20,25,32,40 Thread Connection |
| (15,20,25,32,40) 50,65,80,100,125,150,200 Flange Connection |
|
| Accuracy | ±1%R,±0.5%R,±0.2%R(Special Order) |
| Turn Down Ratio | 10:1; 15:1; 20:1 |
| Material | 304SS,316(L)SS, etc |
| Medium Temperature | -20℃~+110℃ |
| Environmental Conditions | Temperature: -10℃~+55℃ Relative humidity: 5%~90% Atmospheric pressure: 86~106KPa |
| Power supply | Sensor:+12VDC,+24VDC(Option) Transmitter:+24VDC Local Display:3.2V Lithium Battery |
| Output Signal | Sensor:Pulse Frequency Signal(Low level≤0.8V, High level≥8V) Transmitter:Two Wired 4-20mA Current Signal |
| Signal Cable | STVPV 3x0.3(Three Wired),2x0.3(Two Wired) |
| Signal Cable Connection | Houseman Connector(Standard Type) Inner Thread M20x1.5(Explosion Type) |
| Transmission Distance | ≤1000m |
| Explosion Proof | None(Standard Type) EXdIIBT6(Explosion Proof) |
| Protection Class | IP65 |
4. Design & Installation
It is important to install meter,if not installed well, then would affect precision, use-life and damage.
1． To avoid strong current, high frequency and powerful switch set, power supply of meter shall be avoided to near by these equipments.
2． To avoid high-Temp & radiation source. if have to install it, need heat insulation & ventilated measure.
3． To avoid high-Temp & enchant gas, if have to install it, need ventilated measure.
4． Vortex flow meter shall be avoided to install on shaking part of pipeline. If have to install on it,shall add clamp device and vibration pad which located on 2D to enhance shake proof . meter has better to installed indoors, pay attention to waterproof when installing meter outdoors,special notice the joint, make cable conductor to U shape to avoid water get into the amplifier body Around installing place shall save enough space,so that install connection line and maintenance routine.
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