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IP67 Ytfa01 Fiber Bragg Grating Level Sensor for Bridge Vertical Displacement¹

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Product DescriptionProduct IntroductionThe YTFA01 fiber Bragg grating hydrostatic leveling instrument is a high-precision measuring instrument used to measure relative elevation changes. The system consists of multiple interconnected hydrostatic leveling instruments. In the monitoring system, a relatively stable point is selected as the reference point, and the settlement amount is calculated through the change in liquid level between the reference point and the observation point. This product is mainly applied in vertical displacement monitoring of bridges, tunnels, subways, dams, foundation pits, large storage tanks, etc.Main Components: 1. Vent Port, Liquid Inlet; 2. Aluminum Alloy Base, Acrylic Cup Body; 3. Fiber Bragg Grating Sensor Module 4. Temperature ModuleYTFA01 is mainly composed of an upper cover, a middle cover, a ferrule, a lower cover, a base, a float, and a fiber Bragg grating. Among them, the float and the middle cover are fastened together with screws except during testing; during testing, the screws are loosened to release the float. Product FeaturesHigh sensitivity, wide operating frequency bandwidth, large dynamic range.Corrosion resistance, electromagnetic interference immunity, suitable for harsh environments.Broad measurement range capable of monitoring multiple physical quantities.No power supply required, ideal for electrostatic/fire safety-critical areas.IP67-rated enclosure (excellent protection performance).SpecificationParameter NameSpecificationMeasuring Range100mmMeasurement Accuracy0.5%FSResolution≤0.1%FSCentral Wavelength of Grating1525~1565nmGrating Reflectivity≥90%Grating Side-mode Suppression Ratio≥15dBOperating Temperature-20°C~+70°CCable Outlet ModeBare Fiber/2mOptical Cable Type3mm or 6mm Single-mode Single-core Armored Optical CableProtection GradeIP67Shell MaterialAcrylic + Aluminum AlloyOverall Dimensions118.5mm×113mm×264mmWorking PrincipleBased on the principle of communicating vessels, for tanks connected by multiple communicating pipes, their liquid levels are always at the same horizontal plane. When settlement occurs at a certain point, the liquid level height of the equipment at each point will change. Relative settlement and differential settlement of each hydrostatic level can be calculated based on changes in liquid level height at each monitoring point. Product Working Principle: The product is designed based on fiber Bragg grating sensors, containing strain gratings and temperature gratings internally, with a built-in temperature compensation function. Changes in liquid level height cause changes in the buoyancy of the float, which in turn induce changes in the optical wavelength of the strain grating. Meanwhile, the temperature grating is only affected by temperature, which can offset the temperature-induced changes of the strain grating. Therefore, after analyzing the wavelength data of the strain grating and temperature grating via a fiber Bragg grating demodulator, the change in liquid level height is calculated based on the relationship between the liquid level height change and the wavelength change.Application FieldsPrimarily used for vertical displacement monitoring in:Bridges, tunnels, subways, dams, foundation pits, and large storage tanks.System applications include:Urban utility tunnels,High-rise buildings,Subway systems,Bridges,Dams,Large-scale storage tanks.Packing & DeliveryCompany ProfileXiamen Xinde loT Technology Co., Ltd.Xiamen Xinde IoT Technology Co., Ltd. specializes in applied research of ultrasonic measurement technology. Its self-developed non-contact ultrasonic oil level monitoring products, exported globally, lead internationally in the field. With nationwide distributors, they're favored by high-end overseas clients. Holding multiple patents, the firm holds titles like "Technology Giant" and "National High-Tech Enterprise". Over 60% of staff focus on R&D, with core members boasting a decade+ industry experience—bolstering strong innovation capabilities.Trusted by users worldwide, it stands out for superior product quality and comprehensive technical services.FAQQ1: What is your company's core business?A: THINKSONIC TECHNOLOGY CO., LTD. specializes in R&D and manufacturing of precision sensors and IoT solutions. Our product lines cover:- Automotive IoT: Ultrasonic level sensors, Vehicle Telematics Units, Active Safety Video Terminals- Structural Monitoring: Settlement/inclination sensors, Hydrostatic level gauges, Strain/pressure gauges, Data loggers with wireless transmission.Q2: Are you a manufacturer or trading company?A: We are a manufacturer with in-house R&D center and production facilities in Xiamen, China. All products are independently designed and strictly quality-controlled.Q3: What is your minimum order quantity (MOQ)?A: Standard products start from 10 units. MOQ for customized items varies by project complexity - contact us for evaluation.Q4: How long is your lead time?A:Standard products: 15-30days after order confirmation. , a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.Q5:Can you customize products?A:Yes. We offer: Logo printing; Packaging redesign; Technical parameter adjustments; Private labelingQ6:Can I get samples?A:We have to charge both samples and freight cost, and when you place orders, we'll refund your sample cost.Q7:How to handle after-sales issues?A:Our support includes: (1)Online troubleshooting (2)Technical documentation & video guidesQ8:How to visit your factory?A: Welcome to schedule an audit: (1) Submit visit request via "Contact Supplier" (2) We'll send official invitation letter within 48h (3)Virtual factory tour available via video call

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