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• 产品名称: 进口FFM62智能电磁流量计
• 产品型号: FFM62
• 产品类别: 电磁流量计

∷产品简介∷
FFM62 intelligentized electromagnetic flowmeter is a stable and precise flowmeter which is developed on the basis of Faraday law of electromagnetic induction and weighted function magnetic field distribution technology. The low-frequency rectangular wave excitation and intelligentized transformation technology are adopted to ensure the stable zero and precision of 0.5 grade and repeatability of 0.25%. The flowmeter is applicable to the flow measurement of the conducting liquid and fluid (such as pure water, sewage, all kinds of acidic, basic and salt solutions, slurry, pulp, paper pulp and liquid for food)inside the closed pipes. It is widely applied to the industries including metallurgy, paper making, water treatment, chemical processing, light industry, textile, power and mining.
technical advantages of FFM62 intelligentized electromagnetic flowmeter：
Intelligentized transducer adopts the internationally advanced MCU and SMT technology. It is reliable in performance, high in precision, low in power consumption, stable in zero, and convenient for parameter setting. The Chinese LCD in the form of lattice is provided.
The high-precision constant current source low-frequency rectangular wave excitation is adopted to ensure the stable magnetic field. It is free from the electromagnetic interference. No vortex effect is generated and the orthogonal and in-phase interference are small. In addition, no polarization will occur. These characteristics will ensure the low power consumption of flowmeter. No heat is generated and the zero is quite stable. No drift will happen and the little pollution will happen to the electrode.
Intelligentized transducer adopts clutter suppression technology to eliminate the clutter completely to ensure the stable measurement. In order to ensure the accurateness in measurement, the function magnetic field analysis is adopted to remove bias flow. These techniques help overcome the interferences of noises from the fluids such as slurry and paper pulp to ensure the stability and accurateness in measurement. It is the greatest advantage of Floworld FFM 62 intelligentized electromagnetic flowmeter.
The electrode lead of the sensor is led out while being kept parallel to magnetic line of force. In this way, the induction current in the circuit of the electrode lead of most electromagnetic flowmeters is removed; the oxthogonal interference and zero drift that result from the unparallelism between the electrode lead and magnetic line of force are overcome to ensure the linearity and precision of the sensor.
Excitation coil adopts the advanced NC coil winding machine. The coils are automatically controlled through the use of PLC. For the already wound excitation coil, it will be treated with special technology to ensure the constant and uniform magnetic field as well as the repeatability and interchangeability of the sensor, thus ensuring the good precision, linearity and repeatability of the sensor.
Main technical parameters of FFM62 intelligentized electromagnetic flowmeter：
Fluid to be tested: conducting liquid
Precision grade: 0.5
Repeatability：0.25%
Fluid temperature: -25℃～180℃
Rated pressure: 1.0MPa，1.6MPa，4.0MPa
Flow rate range: 0.3～12m/s
Conductivity: ≥5μs/cm
Material of the pipe to be tested: 304 stainless steel
Lining: rubber, polytetrafluoroethylene, etc.
Electrode material: stainless steel and Hastelloy alloys, etc
Protection degree: IP65 and IP68
Installation form: clamping connection for DN25～DN300; flange connection for DN350 and above
Power: 220VAC，50HZ（24VDC optional）
Output: standard pulse output, 4～20mA，RS485，HART protocol output
Structural form: integrated and divided
Electrical interface: M20×1.5
Explosion-proofing form: common non-explosion proof; explosion suppression (optional)
FFM62智能电磁流量计是基于法拉利电磁感应原理和权重函数磁场分布技术而研制成功的一种稳定性好、精度高的智能型电磁流量计。采用低频矩形波励磁和智能转换器技术，零点非常稳定，精度0.5级，重复性0.25%，适用于封闭管道内导电液体和浆液的流量测量，如净水、污水、各种酸碱盐容易、泥浆、矿浆、纸浆以及食品方面的液体。广泛应用于冶金、造纸、水处理、化工、轻工、纺织、电力和采矿等行业。
FFM62智能电磁流量计的技术优势：
·智能转换器采用国际上的单片机（MCU）和表面贴装（SMT）技术，性能可靠，精度高，功耗低，零点稳定，参数设定方便，点阵中文显示LCD。
·采用高精度恒流源低频矩形波励磁，确保磁场的稳定。具有受电磁干扰影响小，不产生涡流效应，正交干扰和同相干扰小，不产生极化现象的特点，从而确保流量计功耗低，不发热，零点非常稳定，无漂移，电极污染影响小的优点。
·智能转换器采用“杂波抑制器专利技术”彻底消除杂波，保证测量的稳定；采用“函数磁场分析方式技术”确保消除“偏流”影响，保证测量准确；从而克服泥浆、纸浆等“浆液噪声”干扰，保证测量的稳定和准确，这是富沃得FFM62智能电磁流量计的优点。
·传感器电极引线采用确保与磁力线平行的引出方式，消除了大多数电磁流量计电极引线回路的感应电流，克服了由于电极引线方式与磁力线不平行而导致的正交干扰和零点漂移问题，从而确保传感器的线性度和精度。
·励磁线圈采用先进数控绕线机，通过PLC自动控制排线，对绕制好的励磁线圈采用特殊工艺处理，确保了磁场的恒定、均匀和传感器的重复性、互换性，从而使传感器具有很好的精度和线性度、重复性。
FFM62智能电磁流量计主要技术参数：
·测量流体：导电液体
·精度：0.5 级
·重复性：0.25%
·流体温度：-25℃～180℃
·额定压力：1.0MPa，1.6MPa，4.0MPa
·流速范围：0.3～12m/s
·电导率要求：≥5μs/cm
·测量管材质：304不锈钢
·衬里材料：橡胶、聚四氟乙烯等多种可选
·电极材料：不锈钢、哈氏合金等多种可选
·防护等级：IP65和IP68
·安装形式：DN25～DN300为夹持型，DN350以上为法兰连接型
·电源：220VAC，50HZ（24VDC可选）
·输出：标准为脉冲输出，4～20mA，RS485，HART协议输出等
·结构形式：一体型和分体型两种
·电气接口：M20×1.5
·防爆形式：普通非防爆型，隔爆型（可选
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北京拓天仪表科技有限公司，是一家从事自动化仪器仪表的研发、生产及销售的技术创新型企业，的仪表、传感器生产厂家，公司愿以质的产品、最合理的价格，服务于各行业的客户。主要产品有：超声波流量计、电磁流量计、压力变送器、扭矩传感器、称重传感器、流量计、液位、温度、显示表等系列。产品广泛应用于石油、化工、电力、冶金、环保、航天、水利、机电、科研等诸多领域。公司本着“聚英八方、才纳天下·融世通达、开天拓地”。以新技术为核心，并与中科院、航天部、河海大学等大型科研单位合作,广纳人才，引进消化国际先进工控技术，并不断创新，形成了以一个研发中心，两个生产基地，八个销售区域辐射全国的企业格局，产品不但畅销国内，出口东南亚、南非、印度、东欧等十几个国家，并且公司生产的TU-1000P型便携超声波流量计出口德国，获得客户的好评。在2010年公司除了加大科技投入，提高产品研发能力外，更瞄准国家水平引进代理了六家国际工控品牌，以满足客户的不同需求。公司将以“优质的产品、周到的服务”为广大客户提供优质的仪器仪表产品。力争早日实现“领跑中国仪表行业，打造仪表行业最有价值品牌”的企业愿景。