IPDB › China Industry › Instruments & Meters
China, Chinese Good Price Rosemount 3102 Ultrasonic Level Gauge for Accurate Measurements1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Meter for Liquid GasLiquid Level MeterGaugeLevel Gauge
Kerui (Weifang) Automation Equipment Co., Ltd.
Preview:
Product DescriptionProduct Description Rosemount 3102 Ultrasonic Level TransmitterIn the realm of industrial process measurement and control, accurate and reliable level measurement is a cornerstone of operational efficiency, safety, and cost-effectiveness. From chemical processing plants and oil refineries to water and wastewater treatment facilities, the ability to precisely monitor the level of liquids or solids in tanks, vessels, and silos directly impacts production quality, equipment lifespan, and regulatory compliance. Among the diverse range of level measurement technologies available today, ultrasonic level transmitters have emerged as a preferred choice for many applications due to their non-contact measurement principle, ease of installation, and ability to handle a wide variety of media.The Rosemount 3102 Ultrasonic Level Transmitter, developed by Emerson Electric Co.—a global leader in industrial automation and process control solutions—stands out as a highly advanced and versatile device designed to meet the demanding requirements of modern industrial environments. Since its introduction, the Rosemount 3102 has gained widespread recognition for its exceptional performance, robust construction, and intelligent features that simplify operation and maintenance. This comprehensive guide aims to provide a detailed overview of the Rosemount 3102, covering its working principle, key components, technical specifications, functional capabilities, application scenarios, installation and maintenance procedures, and the advantages it offers over competing products. By the end of this document, readers will have a thorough understanding of why the Rosemount 3102 is a top choice for industrial level measurement applications.1. Working Principle of Ultrasonic Level MeasurementTo understand the functionality of the Rosemount 3102, it is essential to first grasp the basic principle of ultrasonic level measurement. Ultrasonic level transmitters operate based on the propagation and reflection of high-frequency sound waves (ultrasonic waves), typically in the range of 20 kHz to 200 kHz—well above the threshold of human hearing.The core process of ultrasonic level measurement can be broken down into four key steps:1.1 Transmission of Ultrasonic WavesThe Rosemount 3102 is equipped with a piezoelectric transducer, a critical component that converts electrical energy into mechanical vibrations (ultrasonic waves). When the transmitter is in operation, its internal electronics generate an electrical signal that is sent to the transducer. The transducer then vibrates at a specific ultrasonic frequency, emitting a focused beam of ultrasonic waves downward toward the surface of the medium (liquid or solid) whose level is being measuredThe design of the transducer in the Rosemount 3102 is optimized to ensure that the ultrasonic beam has a narrow divergence angle. This narrow beam minimizes the risk of interference from the walls of the tank or vessel, as well as from any obstacles or agitators present inside the tank.1.2 Propagation Through the MediumOnce the ultrasonic waves are emitted by the transducer, they travel through the air (or other gas) that fills the space between the transmitter and the surface of the measured medium. The speed at which these ultrasonic waves propagate is primarily influenced by the temperature and composition of the gas in the tank. In most industrial environments, air is the primary gas, and its temperature is the most significant factor affecting the speed of sound.The Rosemount 3102 addresses this by incorporating a built-in temperature sensor that continuously monitors the ambient temperature in the tank. This real-time temperature data is used by the transmitter's internal microprocessor to automatically compensate for variations in the speed of sound. This temperature compensation feature is crucial for maintaining measurement accuracy, especially in environments where temperature fluctuations are common, such as outdoor storage tanks or processes that involve heating or cooling.2. Key Components of the Rosemount 3102 Ultrasonic Level TransmitterThe Rosemount 3102 is a sophisticated device composed of several interconnected components, each playing a critical role in ensuring its performance, reliability, and durability. A detailed understanding of these components is essential for appreciating the transmitter's capabilities and for effective installation, maintenance, and troubleshooting.2.1 Piezoelectric TransducerThe piezoelectric transducer is the "heart" of the Rosemount 3102, as it is responsible for both emitting and receiving ultrasonic waves. It is constructed using a piezoelectric material—typically a ceramic (such as lead zirconate titanate, PZT)—which exhibits the piezoelectric effect. The transducer in the Rosemount 3102 is housed in a rugged enclosure that protects it from environmental factors such as moisture, dust, and chemical exposure. The design of the transducer also includes a matching layer that helps to optimize the transfer of ultrasonic energy between the piezoelectric material and the surrounding gas. 2.2 Internal Electronics and MicroprocessorThe internal electronics of the Rosemount 3102 form a sophisticated system that controls the operation of the transducer, processes the received signals, and computes the level measurement. At the core of this system is a high-performance microprocessor that executes a series of complex algorithms to ensure accurate and reliable measurement.Key functions performed by the internal electronics and microprocessor include:Signal Generation: Generating the electrical signal that drives the transducer to emit ultrasonic waves. The frequency and amplitude of this signal are precisely controlled to optimize the performance of the transducer.Signal Amplification and Filtering: Amplifying the weak electrical signal generated by the transducer when it receives the reflected ultrasonic waves. Time-of-Flight Measurement: Accurately measuring the time it takes for the ultrasonic waves to travel to the medium surface and back. This requires a The microprocessor also stores configuration parameters, such as the tank height, measurement range, and output settings, in non-volatile memory. This means that the transmitter retains its configuration even if power is lost, eliminating the need for reconfiguration after a power outage.SpecificationMeasurement range1 to 36 feet (0.3 to 11 meters)Liquid level resolutionBetter than 0.04 inches (1 mm)Signal output4-20 mAPower12 to 40 VdcOperating Temperature-40°C to +70°CProcess pressure-4 to 44 psi (-0.25 to 3.0 bar)Protection levelIP66/IP67,NEMA 4XProcess connection2-inch NPT or BSPT threadCompany ProfileKeRui (Weifang) Automation Equipment Co. Ltd. Has maintained a cooperatve relationship with Rosemount for 15 years, and our purchase quantity has reached 20,000 units.We supplied the tuning fork level gauge to the Rosemount factory and have been well received by the Beijing factory. We have cooperated with Yokowaga and maintained a cooperative relationship for 8 years, and our purchase quality has reached 7000 units.The companies we have cooperated with:1. Awarded "Outstanding Supplier by Yanchang Petroleum in 20082. In December 2012, our company was awarded the "Excellent Equipment Service Award" for the expansion project of units 6 and 7 of the Guangdong Guohua Yuedaishan Power Plant3. Awarded "Outstanding Supplier by Yaxing Group in 20134.200 transmitters for Haihua Group's ethylene debottlenecking transformation project in 2015.5. In 2018, we were rewarded as a National Nuclear Power Instrumentation Industry Measurement and Testing Alliance member.6.160 transmitters and 20 electric autuators for the Shandong Laigang Yongfeng Steel expansion project in 20197.In 2022, Jinneng Chemical (Qingdao) Co., Led/ Jinneng 2x450,000 tons/ year high-performance polypropylene project (newly built) equipped 460 transmitters from our company.8. In 2022, Shandong Qinghe Chemical Technology Co., Ltd.s hydrogen peroxide method epoxy propane device and supporting hydrogen peroxide device expansion project used 253 pressure transmitters.9.In 2022, the Wanhua Chemical HTN project NPG installed 320 transmitters and 50 sets of valve positioners.Our ServiceOEM / ODM servicesTo meet the user diversified requirement, Holykell have established a set of customer service and technical support system with OEM / ODM order as the center, and responded and Handle the customer's requirements in a timely manner to ensure accurate delivery time and product quality.Order servicesFastest reply:Professional sales engineers 7/24 online servicesPayment terms:T/T ,Western union, Paypal, Credit Card, L/C othersFast delivery: within 24 hours release the cargo (normal spec.), Customized 7-12 days after payment . MAINTENANCE & AFTER-SALES SERVICESCustomer Feedback: Sales engineers and technical engineers will be one-on-one service for you to exclude all obstacles when use our sensors.Warranty period: 12 monthsProduct life-long maintenance: Holykell can provide you with the maintenance of the whole life of the sensorsPackaging & ShippingFAQQ1: How long will it take you to give me the reply?A: We will reply to you as soon as we see the informationQ2: What is the delivery time?A: Our delivery time is within 3- 7 days after we get your payment; for large qty mass orders, the time should be confirmed again for youQ3: How about your package? A: Do not worry about the package. We have a lot of experience in packing, and all our packages are wooden case packages.Q4: How about the payment terms?A: You can choose T/T.Q5: Do you provide samples? A: Yes, we have materials in stock to help you get the samples as soon as we can.Q6: What is the MOQ?A:1PC.Q7: Can I get a lower price if I order large quantities? A: Yes, cheaper prices with larger orders.Q8: Why choose us?We have a perfect customization, not only to provide you with quality products, but also to have a professional customer service team available at any time to provide you with support. We pay more attention to establishing a long-term cooperative relationship with you to achieve continuous business growth.Q9: How can we guarantee quality?We have strict requirements on the quality of our products, and we will conduct a final inspection of our products when we ship them.
Purchasing Request
Note: Send your purchase request, and we will screen suppliers or manufacturers for you free of charge...