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Meter for Liquid GasOther Meters for Liquid GasMicrowave Moisture SensorMoisture Analyzer
Beijing Zhongping Technology Co., Ltd.
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Product Description Title:SIEMENS 7MB1943-2AC51 SITRANS WS100 Moisture AnalyzerThe SIEMENS 7MB1943-2AC51 is a robust microwave resonance moisture analyzer from the SITRANS WS100 series.It provides continuous,non-contact measurement of water content in solid bulk materials.This device offers a measurement range of 0 to 40%water content with high accuracy.Its robust housing is rated IP66/IP67 for reliable operation in harsh industrial environments.It is essential for optimizing processes in industries like food,chemicals,and plastics.This analyzer ensures consistent product quality and reduces energy consumption in drying processes.Its advanced diagnostics and easy integration make it a vital tool for modern industrial automation.The device helps in maintaining precise control over moisture levels in production lines.Parameter Name Parameter ValueProduct Family SITRANS WS100Measurement Principle Microwave ResonanceMeasurement Range 0-40%Water ContentOutput Signal 4-20 mA HART,RS-485 ModbusSupply Voltage 24 V DC(18-30 V DC)Process Temperature-40°C to+80°C(-40°F to+176°F)Process Pressure Up to 1 bar(14.5 psi)Enclosure Rating IP66/IP67Sensor Material PEEK,Stainless Steel 316LCommunication HART protocol,Modbus RTUCertifications ATEX,IECEx,SIL 2Product FeaturesThe SITRANS WS100 uses microwave resonance technology for high measurement stability.This method is largely independent of material color,particle size,and density variations.It provides a reliable signal even in challenging conditions with dust or steam.It features an integrated temperature sensor for automatic material temperature compensation.This ensures consistent accuracy across varying process conditions.The device has a self-monitoring function that alerts users to potential issues like sensor coating.Configuration is simple via the local display with two buttons or remotely via HART.The robust sensor made of PEEK and stainless steel resists corrosion and abrasion.This design guarantees a long operational life in demanding applications.Key AdvantagesThis moisture analyzer delivers significant cost savings by optimizing drying and cooling processes.It reduces energy consumption and minimizes product giveaway or shrinkage.You achieve higher and more consistent final product quality with real-time control.Its non-contact measurement principle eliminates wear and maintenance.There is no need for manual sampling or laboratory analysis delays.You get immediate,continuous data for proactive process adjustments.The device simplifies integration into existing control and safety systems.With HART and Modbus communication,data is readily available for monitoring and control.Its robust design and high ingress protection ensure maximum plant availability.Application ScenariosThis analyzer is ideal for monitoring moisture in food products like cereals and powders.It ensures consistent quality and prevents spoilage during production and storage.The hygienic sensor design is suitable for direct contact with food materials.In the plastics industry,it precisely measures water content in pellets and granules.Accurate measurement is critical for final product strength and quality.It prevents defects in extrusion and injection molding processes.It is also perfect for chemical and pharmaceutical bulk solids.The analyzer controls drying processes for minerals,fertilizers,and detergents.Its high accuracy improves yield and reduces energy costs in these applications.Installation and CommissioningSelect a location where the sensor has full contact with the material stream.Avoid mounting points with material buildup or uneven flow characteristics.Ensure the installation point is easily accessible for routine inspection.Mount the sensor securely using the appropriate process connection.For chutes or pipes,ensure the sensor tip is flush with the inner wall.Connect the power supply and output signal wiring according to the manual.Perform the initial calibration using the built-in calibration routines.This typically involves measuring a sample with a known laboratory moisture value.The device will store this reference for all subsequent measurements.Critical Operational NotesAlways ensure the sensor surface is clean and free from material buildup.Contamination will lead to measurement drift and inaccurate readings.Establish a regular cleaning schedule based on your material's characteristics.Do not expose the sensor to mechanical impact or stress during operation.While robust,the sensing element can be damaged by sharp tools or excessive force.Always follow proper lockout/tagout procedures before cleaning.Operate the device strictly within its specified temperature and pressure ranges.Exceeding these limits can cause permanent damage to the electronics and sensor.Monitor diagnostic messages for early detection of potential problems.10 Frequently Asked QuestionsHow do you calibrate a Siemens SITRANS WS100 moisture analyzer?Start by obtaining a representative sample of your material for laboratory analysis.Use a reliable,standardized method like loss-on-drying to determine the precise reference moisture value.This value is the cornerstone for an accurate sensor calibration.Access the calibration menu on the local display or via your HART communicator.Enter the laboratory-determined reference value while the sensor is measuring the same product stream.The analyzer will then adjust its internal algorithm to match the reference point.For best results,perform a two-point calibration across your typical operating range.This establishes a more accurate correlation curve for the entire measurement span.Regular calibration checks are essential to maintain long-term measurement integrity.What materials can be measured with this microwave analyzer?The SITRANS WS100 is suitable for a wide range of solid bulk materials with water content.Common applications include plastics pellets,various food powders,grains,and cereals.It also works well with minerals,chemicals,and many pharmaceutical raw materials.The technology is effective for materials where water is the primary polar molecule.It is not suitable for measuring moisture in liquids or gases due to the fundamental measurement principle.The material must also flow past the sensor face for a continuous reading.The sensor construction from PEEK and stainless steel offers good chemical resistance.However,you should always verify material compatibility for highly abrasive or aggressive substances.Consulting the manufacturer's application guide is recommended.Why is my moisture reading unstable or fluctuating?An unstable reading often indicates a problem with the material flow across the sensor face.Check for uneven distribution,bridging,or empty pipe conditions in your process line.The sensor requires a consistent and homogeneous material contact for stable measurement.Another common cause is a buildup of material on the active sensor surface.This coating creates a barrier that distorts the microwave field and causes drift.Inspect and clean the sensor tip thoroughly according to the established maintenance schedule.Electrical interference from nearby motors or variable frequency drives can also cause noise.Ensure the signal cabling is properly shielded and routed away from power lines.Verify that all electrical connections are secure and corrosion-free.Can this analyzer be used in hazardous areas?Yes,the 7MB1943-2AC51 model holds ATEX and IECEx certifications for hazardous areas.It is approved for use in zones with potentially explosive dust or gas atmospheres.You must adhere to the specific installation parameters outlined in the certification document.This includes using correctly certified and installed intrinsic safety barriers for the electrical loop.All wiring practices must conform to the standards for the designated hazardous area classification.The device itself does not require a separate enclosure in these areas.Always confirm the exact certification codes on the device nameplate against your area classification.Final system responsibility for safe operation in the hazardous area lies with the plant operator and system integrator.What is the difference between microwave and NIR moisture measurement?Microwave resonance measures the dielectric properties of water molecules in the entire material volume.It provides a bulk measurement that is less sensitive to surface effects and color changes.This technology is robust against dust and typically offers higher penetration depth.Near-Infrared(NIR)technology measures the absorption of specific light wavelengths by water,primarily on the material surface.It can be influenced by surface texture,color variations,and particle size distribution.NIR sensors often require complex calibrations for different products.The choice depends on your material;microwaves are better for homogeneous bulk solids.NIR might be preferred for very thin layers or when specific chemical bonds need analysis.Microwave sensors generally require less frequent recalibration for consistent materials.How does the temperature compensation function work?The analyzer features an integrated temperature sensor that monitors the product temperature.Since the dielectric constant of water and most materials is temperature-dependent,this measurement is critical.Changes in material temperature would otherwise cause significant measurement errors.The device uses a built-in mathematical model to automatically correct the moisture reading.It adjusts the calculated water content based on the real-time temperature data from the sensor.This ensures the reported moisture value is accurate across the entire operating temperature range.For optimal performance,ensure the temperature sensor is in good contact with the material.The compensation algorithm is most effective when the material temperature is relatively stable.Large and rapid temperature swings can still pose a measurement challenge.What maintenance is required for the SITRANS WS100?The primary maintenance task is regular visual inspection and cleaning of the sensor face.Remove any material buildup gently using a soft cloth and appropriate cleaning agents.Avoid using abrasive tools or harsh chemicals that could scratch or damage the sensor.Periodically check the integrity of the process gaskets and the housing seal.This is vital for maintaining the IP66/IP67 protection rating and preventing process material ingress.Ensure all electrical connections remain tight and free from corrosion.There are no internal components requiring routine replacement,as it is a solid-state device.Monitor the device's diagnostic messages for any alerts related to sensor health or performance.Schedule regular calibration checks to validate measurement accuracy.How do I interpret the diagnostic alarms from the device?The analyzer provides specific alarm codes on its local display or via the communication interface.A"Sensor Error"typically indicates an internal fault within the microwave electronics.This may require technical support or sensor replacement to resolve.A"Signal Quality"warning often points to poor material contact or severe coating on the sensor.It suggests that the measurement signal has become weak or unreliable.Inspect the installation point and clean the sensor to restore proper signal strength.Temperature-related alarms indicate that the process temperature has exceeded the operational limits.This is a critical alert to prevent permanent damage to the sensor electronics.You should investigate the cause of the high temperature immediately.Can this device measure moisture in very low ranges(below 1%)?The SITRANS WS100 has a specified measurement range starting from 0%.However,achieving high accuracy at very low moisture levels,such as below 0.5%,can be challenging.The signal-to-noise ratio decreases as the water content becomes minimal.For these ultra-dry applications,a highly specific and precise calibration is absolutely essential.You must use extremely accurate laboratory methods to determine the reference values for calibration.Even minor errors in the lab analysis will be magnified in the sensor reading.Consult with Siemens application experts to evaluate the feasibility for your specific low-moisture material.In some cases,this technology is suitable,while in others,an alternative method might be recommended.Process conditions and material homogeneity are critical factors.What are the steps for integrating the analog signal into a PLC?First,connect the 4-20 mA output wires from the analyzer to the analog input module on your PLC.Ensure you use a separate,shielded twisted pair cable for the best noise immunity.Connect the shield to ground at only one end,typically at the PLC cabinet.In the PLC configuration software,scale the raw analog input value to engineering units.For example,a 4 mA signal might correspond to 0%moisture,and 20 mA to 40%moisture.This linear scaling converts the current signal into a usable moisture percentage value.For enhanced functionality,integrate the HART communication signal if your PLC supports it.This allows you to read secondary variables like sensor temperature and device status directly.Always test the loop with known signals to verify the scaling and communication.Beijing Zhongping Technology Co., Ltd. is a leading provider of industrial automation solutions, intelligent robotics, and advanced system integration services. With decades of expertise, the company has established long-term strategic partnerships with global industry leaders such as Siemens, ABB, Schneider Electric, KUKA, Yaskawa, and FANUC, leveraging their cutting-edge technologies to deliver innovative, tailored solutions across diverse sectors.Specializing in technical support, product distribution, and end-to-end engineering services-including system design, installation, commissioning, and maintenance-Beijing Zhongping Technology ensures seamless operational efficiency for clients in industries spanning automotive manufacturing, battery production, aerospace, oil and gas, chemical processing, food and pharmaceuticals, logistics, metallurgy, and heavy machinery. By harnessing its robust global supply chain network and a highly skilled technical team, the company guarantees precision-driven resource allocation, rapid response capabilities, and cost-effective procurement strategies. These capabilities empower clients to streamline operations, reduce downtime, and enhance competitive advantage in dynamic markets. Committed to excellence, Beijing Zhongping Technology remains dedicated to advancing industrial innovation while fostering sustainable growth and value creation for enterprises worldwide.Q1: What is the core business scope of Beijing Zhongping Technology Co., Ltd.?The company's business scope primarily covers comprehensive industrial robot supply chain services, industrial automation technologies and technical services, digital smart factory solutions, and hydraulic intelligent control products and services.Q2: Which brands does the company collaborate with?The main cooperative brands of the company are SIEMENS,ABB,Schneider,DELTA,WEINVIEW,MCGS,ADVANTECH,OMRON,Simphoenix,RITTAL,MOXA,ESTUN, RKC, YASKAWA, HIKVISION, FANUC, MITSUBISHI ELECTRIC, KUKA, Fuji Electric, SICK, Walvoil, CASAPPA, EATON, Bosch Rexroth Group, Parker etc.Q3: What are our competitive advantages compared to other suppliers?With our robust supply chain capabilities and global presence, we deliver faster, more efficient services. We strive to offer the best possible prices to demonstrate our sincerity and value.Q4: How long does delivery take? What about shipping costs?Delivery timelines and shipping costs depend on the specific model(s) and quantity you require. Please share your current needs with us for precise details.Q5: Can't find the model you need?We showcase only a selection of models here. If you cannot find your desired model, contact us directly for further assistance.Q6: How to contact Beijing Zhongping Technology Co., Ltd.?Beijing Zhongping Technology Co., Ltd.
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