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01Temperature MeasurementTemperature measurement uses temperature sensors, thermocouples, RTDs and other instruments to accurately detect and monitor process temperatures. 02Level MeasurementLevel measurement uses ultrasonic level meters, radar level meters, and other instruments to detect and monitor the level or height of materials in tanks, vessels, and process equipment. 03Pressure MeasurementPressure measurement uses pressure transmitters, differential pressure transmitters, and other instruments to detect and monitor pressure and pressure changes in pipelines, tanks, and process equipment. 04Flow measurementFlow measurement uses electromagnetic, ultrasonic, vortex, and mass flow meters to detect and monitor the flow of liquids, gases, or steam in pipelines. 05DCSYokogawa DCS cards are core modules of a distributed control system, used to acquire field signals such as temperature, pressure, and flow, while providing control, output, and communication functions. 06Water Quality AnalysisWater quality analysis uses water quality analyzers and online monitoring instruments to detect and monitor key parameters such as pH, dissolved oxygen, turbidity, conductivity, and residual chlorine in water. MODELChongqing Chuanyi MS22PSB2D10B0060DMZ Magnetostrictive Level GaugeEngineered for ultimate reliability and high-accuracy fluid monitoring, the MS Series Magnetostrictive Liquid Level Transmitter delivers continuous, real-time measurements for total liquid level and interface positions in demanding industrial environments. Utilizing advanced magnetostrictive sensing technology, this versatile transmitter provides precise, non-contact signal processing with a measurement accuracy up to ±1mm, making it an ideal solution for critical process controls across chemical processing, oil and gas, power generation, and water treatment applications where long-term stability and explosion-proof durability are paramount. MODELE+H FMU30 Non-Contact Ultrasonic Level TransmitterThe Prosonic FMU30 Non-Contact Ultrasonic Level Transmitter provides highly accurate, maintenance-free continuous level and open-channel flow measurement for liquids, pastes, and coarse bulk solids across municipal and industrial applications. Featuring an integrated temperature sensor for automatic sound velocity compensation, a user-friendly 4-line plain text display with 32-point linearization, and a rugged IP68-rated weatherproof enclosure, this compact 2-wire transmitter delivers dependable real-time tank monitoring, pump control, and overflow protection in sewage treatment plants, process water storage, and chemical buffer tanks. MODELE+H Deltabar PMD55B High Precision Smart Differential Pressure TransmitterThe PMD55B High Precision Smart Differential Pressure Transmitter delivers exceptionally accurate differential pressure, flow, and hydrostatic level measurements for industrial liquids, gases, and steam. Featuring a robust metallic diaphragm, ultra-low long-term drift, optional wireless Bluetooth operation, and SIL2/3 functional safety certifications, this versatile instrument provides stable, error-free process monitoring across harsh chemical, oil, and water treatment environments. MODELE+H Waterpilot FMX11 Submersible Hydrostatic Level TransmitterThe Waterpilot FMX11 is a high-precision, heavy-duty submersible hydrostatic level transmitter engineered for continuous liquid level and depth monitoring in fresh water, groundwater wells, drinking water reservoirs, and surface water bodies. Featuring an ultra-compact 22mm stainless steel 316L housing, an integrated atmospheric pressure compensation tube with a protective Teflon filter, and international drinking water certifications, this compact dip cell sensor delivers exceptional long-term stability and precise 4–20 mA signal output even in narrow 1-inch pipes and demanding environmental conditions. MODELChongqing Chuanyi WZGPK-73DH-GB/1P2-AJ150G-M20XC6-AXX-I5/2AM20 Explosion-proof RTDThe WZGPK is a heavy-duty explosion-proof armored Pt100 RTD temperature sensor engineered for accurate thermal monitoring in hazardous industrial environments. Equipped with a high-precision Class A platinum sensing element, a 3-wire connection, a 6mm diameter sheath made of durable 321 stainless steel, and a 150mm insertion length, this flameproof sensor delivers exceptionally fast thermal response, vibration resistance, and long-term stability across a wide temperature range from -200°C to 600°C. Designed with an M20x1.5 process thread and an explosion-proof junction box, it provides reliable flameproof protection and continuous signal accuracy for chemical plants, oil refineries, and automated process control systems. MODELYokogawa ADV151-P50/D5A00 Digital Input Module ExstockEngineered for reliable industrial automation, the Yokogawa ADV151-P50/D5A00 Digital Input Module provides high-density 32-channel, 24 V DC isolated signal processing alongside dedicated connection adapters, ensuring optimal signal integrity, robust noise immunity, and seamless integration into distributed control systems (DCS). MODELYokogawa AAI143-H50 Analog Input Module ExstockThe Yokogawa AAI143-H50 is a high-performance 16-channel isolated analog input module designed for process automation systems, capable of handling 4 to 20 mA standard signal inputs with exceptional stability and accuracy. Supplied with its matching terminal block adapter, this module offers seamless integration, superior noise immunity, and reliable data acquisition for demanding industrial environments. MODELYokogawa S2CP471-01 Controller Module Spare Part ExstockThe Yokogawa S2CP471-01 Controller Module Spare Part provides reliable, real-time control performance and high-speed VNET/IP communication connectivity to optimize your industrial DCS automation system with seamless integration and reduced operational downtime. MODELChongqing Chuanyi PDS843MH-1CS11-D1DA Differential Pressure TransmitterThe PDS843 Smart Differential Pressure Transmitter is a high-performance industrial instrument engineered with advanced monocrystalline silicon composite sensor technology, delivering an exceptional accuracy of up to ±0.025% FS and long-term stability of ≤±0.1% FS over 10 years. Designed for rigorous process automation, it seamlessly measures differential pressure, flow, and liquid level across harsh environments in chemical processing, oil and gas, power generation, and water treatment plants. Supporting HART 7.0, PROFIBUS-PA, and FOUNDATION Fieldbus protocols along with global explosion-proof certifications (ATEX, IECEx, NEPSI, EAC, SIL2/3), the PDS843 provides reliable realtime diagnostics, local three-button LCD configuration, and robust surge protection to optimize your industrial control systems. MODELE+H Prosonic Flow W 400 Non-Invasive Clamp-On Ultrasonic Flow MeterThe Prosonic Flow W 400 is an advanced, non-invasive clamp-on ultrasonic flow meter engineered for precise, maintenance-free measurement of both conductive and non-conductive liquids. Designed with innovative FlowDC (Flow Disturbance Compensation) technology, the W 400 maintains high-precision performance even with restricted straight inlet runs as short as 2 x DN.Flexible measurement across nominal pipe diameters from DN15 to DN4000 (1/2" to 160"). MODELE+H Memosens CPS11E Industrial Digital pH Sensor & TransmitterOur Digital Glass pH Sensor is an industrial-grade, heavy-duty solution engineered for reliable pH measurement in challenging process conditions and environmental monitoring. Utilizing advanced Memosens digital non-contact signal technology, it completely eliminates signal interference caused by moisture, corrosion, and cable length issues.Equipped with a dirt-repellent PTFE ring diaphragm and integrated NTC 30K temperature sensor, this sensor delivers long-term stability, minimal maintenance, and plug-and-play pre-calibrated convenience for global system integrators and industrial plants. MODELE+H Prosonic FMU42 Non-Contact Ultrasonic Level TransmitterThe Prosonic FMU42 is a high-precision, non-contact ultrasonic level transmitter designed for continuous level measurement of liquids, pastes, and coarse solids, as well as accurate flow rate measurement in open channels and weir systems across demanding industrial environments. SOLUTIONSmart water network monitoringCombine verified flow and pressure data for distribution monitoring and operational review. SOLUTIONHydrogen pressure measurementReview materials, pressure range and safety requirements for hydrogen process measurement. SOLUTIONProcess measurement selectionStart from the medium, operating window, installation and required signal before selecting an instrument.

Product Overview

SIEMENS 7ML5432 Radar level gauge LR250

7ML5432

The Siemens SITRANS LR250 (Model 7ML5432) is a premium 2-wire, 25 GHz high-frequency pulsed radar level transmitter featuring an FDA-compliant TFM 1600 PTFE fully plastic-encapsulated antenna system. Designed specifically for continuous, non-contact level measurement of liquids, corrosive chemicals, and slurries in process and storage tanks, this transmitter offers exceptional resistance to harsh industrial environments. As a trusted distributor of process automation instrumentation, we provide original Siemens SITRANS LR250 units with full technical support, competitive pricing, and reliable global delivery to keep your industrial operations running smoothly.

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SIEMENS 7ML5432 Radar level gauge LR250

The Siemens SITRANS LR250 7ML5432 radar level transmitter delivers highly reliable performance in aggressive and sanitary process environments. Its 25 GHz high-frequency operating technology allows for a compact antenna design with a small beam angle, making installation effortless even in tanks with internal obstructions or narrow nozzles. Featuring an FDA-approved TFM 1600 PTFE fully plastic-encapsulated antenna, this transmitter provides superior immunity against severe chemical corrosion, aggressive vapours, and condensation, while eliminating contamination risks in critical applications. The instrument incorporates advanced Process Intelligence echo processing algorithms to maintain precise measurement accuracy and auto-suppress false echoes from fixed tank structures, ensuring stable operational performance. An intuitive graphical user interface with quick-start wizards allows field technicians to perform fast setup and local diagnostics via an intrinsically safe handheld infrared programmer, or remotely using standard fieldbus communication tools like SIMATIC PDM, Emerson AMS, or FDT software. Certified to IEC 61508/61511 (SIL-2) functional safety standards, the SITRANS LR250 is widely utilized across the chemical processing, petrochemical, pharmaceutical, water and wastewater treatment, food and beverage, and bulk liquid storage industries. As an authorized supplier, we source these high-precision instruments to help plant engineers and procurement teams source genuine Siemens instrumentation with fast turnaround times and comprehensive customer support.

FAQ
Q: What are the primary advantages of the fully plastic-encapsulated antenna on the 7ML5432 model?
A: The TFM 1600 PTFE encapsulation completely seals the antenna components, preventing chemical attack from aggressive acids, bases, or solvent fumes while meeting FDA compliance standards for clean or sanitary processing environments.

Q: Are these Siemens SITRANS LR250 transmitters original and brand new?
A: Yes, as an experienced supplier of automation instrumentation, we supply 100% genuine, brand-new Siemens products complete with factory documentation, manufacturer warranties, and original packaging.

Q: Can you help configure the communication protocol for my specific automation system?
A: Absolutely. We supply Siemens LR250 models configured for HART, PROFIBUS PA, or FOUNDATION Fieldbus based on your control architecture (DCS/PLC) requirements.

Q: What is the typical lead time and shipping availability for Siemens level transmitters?
A: We maintain a flexible supply chain with stocked items available for immediate dispatch. Lead times for specific factory options or custom flange configurations are quoted quickly upon inquiry.

Technical Specifications

Reviewed product specifications
Operating Frequency25 GHz high-frequency pulse radar
Antenna TypeFDA-compliant TFM 1600 PTFE fully plastic-encapsulated antenna
Communication ProtocolsHART®, PROFIBUS PA, or FOUNDATION Fieldbus™
Dead Band / Minimum Range50 mm (2 inches) from the end of the horn antenna
Local ConfigurationInfrared intrinsically safe handheld programmer, optical keypad, or remote PC configuration (SIMATIC PDM, FDT/DTM)

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