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贵州电磁流量转换器秦皇岛DN50电磁流量计流量范围
电磁流量转换器
规格：N6=2分=1/4内丝直径11mm左右DN10=3分=3/8内丝直径14.5mm左右DN15=4分=1/2内丝直径18mm左右DN20=6分=3/4内丝直径24mm左右DN25=1寸=1”内丝直径30mm左右DN32=1.2
联系：
规格：
N6=2分=1/4内丝直径11mm左右
DN10=3分=3/8内丝直径14.5mm左右
DN15=4分=1/2内丝直径18mm左右
DN20=6分=3/4内丝直径24mm左右
DN25=1寸=1”内丝直径30mm左右
DN32=1.2寸=11/4内丝直径39mm左右
DN40=1.5寸=11/2内丝直径44mm左右
DN50=2寸=2”内丝直径57mm左右
一、产品简介
A, product introduction
EMF5000系列一体式电磁流量计，适用于测量封闭管道中导电液体和浆液的体积流量，如水、污水、泥浆、纸浆、各种酸、碱、盐溶液、食品浆液等，适用于石油、化工、电力、矿冶、给排水、轻工、食品等行业。
EMF5000 series integrated electromagnetic flowmeter, Suitable for measuring the volume flow of conducting liquid and slurry in pipeline, Such as water, sewage, slurry, pulp, all kinds of acid, alkali, salt, food slurry etc., Applicable to the petroleum, chemical, electric power, metallurgy, water supply and drainage, light industry, food industry etc..
EMF5000系列一体式电磁流量计是在流量仪表领域中多年经验的结晶，其设计与仪表质量控制体系保证了产品的*和高可靠性，EMF5000系列一体式是经过多年不断升级改良而来的。
EMF5000 series integrated electromagnetic flowmeter is the crystallization of many years of experience in the field of flow meter, The design and appearance quality control system to ensure that the products of high precision and high reliability,
EMF5000系列一体式电磁流量计采用世界技术。利用恒流低频三值矩形波或双频矩形波励磁、既有矩形波磁场的优点，又克服了正弦波磁场的缺点；还可以消除电源电压波动、电源频率变化及励磁线圈阻抗变化所造成的误差；并有极好的零点稳定性和不受流体噪声干扰影响。从而使产品具有高可靠性，高稳定性的特点。
EMF5000 series integrated electromagnetic flowmeter using the latest technology in the world. Using constant current of three value low-frequency square wave or dual frequency rectangular wave excitation, Has both advantages of rectangular wave magnetic field, It overcomes the shortcomings of the sine wave magnetic field; It can eliminate the power supply voltage fluctuation, Error variation of power frequency and excitation coil impedance changes caused by; Zero stability and good and is not affected by the fluid noise interference. The product has high reliability, The characteristics of high stability.
除此之外，在本产品中还把励磁线圈设计成具有产生非均匀磁场分布的特点，从而使传感器做成小型轻量化，可对非对称流所产生的误差起到一定的补偿作用。
In addition, In this product the excitation coil designed with non uniform magnetic field distribution, The sensor made of small size and light weight, The error can be caused by the asymmetrical play a certain compensation.
二、产品特点
Two, product features
1、EMF5000电磁流量计结构简单，无转动部件，因而无摩擦，工作寿命长，计量精度高，性能可靠。
1, the EMF5000 electromagnetic flowmeter has the advantages of simple structure,No rotary parts, So there is no friction, Long working life, High precision measurement, Reliable performance.
2、传感器测量管中无节流和阻流部件，因此无附加压力损失，不存在堵塞问题，适用于测量含有悬浮物、固体颗粒、纤维等的两相流（如泥浆、污水、矿浆、纸浆、等粘性较大的浆液）。
2, the sensor measuring tube without throttle and choke component, Therefore, no additional pressure loss, No blocking problem, Suitable for measuring the containing suspended matter, Solid particles, Two phase flow fiber etc. (such as mud, sewage, slurry, pulp, and viscosity of the slurry).
3、由于信号在整个充满磁场的空间中形成，它是管道截面上的平均值，因此从而电极平面至传感器上游端平面间所需直管段相对较短，长度为10×D(D为管道的内直径)。
3, because the signal is formed in the magnetic field in full space, It is the average cross section of the pipeline, Therefore thus electrode plane to the sensor upstream the end plane straight pipe section with relatively short, Length of 10 × D (D is the internal diameter of the tubes).
4、EMF5000电磁流量计无机械惯性、反应灵敏、可测量瞬时脉动流量，也可与单元组合仪表、计算机配套组成各种自动检测、调节系统和程控系统。
4, EMF5000 electromagnetic flowmeter without the mechanical inertia,Sensitive reaction, Measurement of instantaneous flow rate pulsation, Can also be instrument and unit, Computer matching the composition of a variety of automatic detection, Control system and control system.
5、传感器输出信号是一个与平均流速成精确线形关系的电动势，并且测量结果与液体的温度、压力、密度、粘度、电导率（不小于电导率）等物理参数无关，如用水标定的流量计同样适用于其它介质的流量计量，无压力损失无需修正。因此测量精度高、工作可靠。
5, the output signal of the sensor is an exact linear relation with the average velocity of the electromotive force, And the measurement results and the temperature of the liquid, Pressure, density, viscosity, Conductivity (not less than the minimum conductivity) independent physical parameters, Such as water flow metering flowmeter calibration is also applicable to other media, No pressure loss without correction. Therefore, high measuring precision, reliable work.
6、EMF5000电磁流量计采用四电极，内置接地电极，用于非导电管道无需另加接电环。
6, EMF5000 electromagnetic flowmeter with four electrodes, The built-in grounding electrode, For non conductive pipe without additional power connection ring.
7、同时带有4~20mA电流信号输出、脉冲输出及瞬时流量上下限报警输出，另外可选RS485通讯及HART协议，3.6V锂电池供电GPRS无线远传输出。
7, at the same time with a 4~20mA current signal output, Pulse output and instantaneous flow alarm output, Another optional RS485 communication and HART protocol, 3.6V lithium battery GPRS wireless remote output.
8、现场显示瞬时流量，百分比，流速，正反向累计流量和总累计量。
8, the site displays instantaneous flow, Percentage, Velocity, Positive and negative cumulative flow and total cumulant.
9、供电方式有AC220V,DC24V，自带3.6V锂电池。
9, power supply AC220V, DC24V, 3.6V lithium battery.
10、转换器支持中文版及英文版转换设置。
10, converter supports Chinese version and English version conversion settings.
三、技术参数
Three, the technical parameters
环境温度：－40℃～＋85℃
Environmental temperature:－40℃～＋85℃
相对湿度：5％～95％
Relative humidity: 5％～95％
机械振动：频率≤55HZ振幅≤0.55mm
Mechanical vibration: Frequency≤55HZAmplitude≤0.55mm
环境电磁场：≤400A/m
The electromagnetic field: ≤400A/m
介质温度：≥-40℃,≤＋120℃(介质温度高于70℃建议选分体式)
Medium temperature: ≥-40℃,≤＋120℃(medium temperature higher than 70 ℃ suggested split)
流体电导率：被测流体电导率≥5μs/cm
Fluid conductivity: The measured fluid conductivity≥5μs/cm
测量精度：0.5%
Measurement precision: 0.5%
重复性：0.1％
Repeatability:
功耗：启动时≤300W，正常运行≤50W（包括传感器和转换器）
Power waste. Boot time ≤ 300W, The normal operation of ≤ 50W(including sensors and converters)
工作电源：AC220V,DC24V,3.6V锂电池
The working power supply: AC220V,DC24V, 3.6V lithium battery
四、工作原理
Four, work principle
EMF5000电磁流量计原理是基于法拉第电磁感应定律。流量计的测量管是一内衬绝缘材料的非导磁合金短管。两只电极沿管径方向穿通管壁固定在测量管上。其电极头与衬里内表面基本齐平。励磁线圈由双向方波脉冲励磁时，将在与测量管轴线垂直的方向上产生一磁通量密度为B的工作磁场。此时，如果具有一定电导率的流体流经测量管，将切割磁力线感应出电动势E。电动势E正比于磁通量密度B，测量管内径D与平均流速v的乘积，电动势E（流量信号）由电极检出并通过电缆送至转换器。转换器将流量信号放大处理后，可显示流体流量，并能输出脉冲，模拟电流等信号，用于流量的控制和调节。
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