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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. MODELYOKOGAWA A2EE3A-TN | ESB Bus Adapter Connector UnitThe YOKOGAWA A2EE3A-TN ESB Bus Adapter is engineered for Yokogawa CENTUM VP system architecture to connect and terminate the ESB bus at ANT522 optical repeater slave modules. Built for secure terminal connection and signal stability, this component ensures seamless communication extension across industrial automation networks. MODELE+H Levelflex FMP56 Guided Wave Radar Level TransmitterDesigned for continuous level measurement of powdery to granular bulk solids in tall silos and storage vessels, this cost-effective guided wave radar transmitter remains unaffected by heavy dust, filling noise, or thermal stratification. Featuring a high-tensile rope probe capable of withstanding pulling forces up to 12 kN, it integrates HistoROM data management and optional Bluetooth functionality for safe and efficient operation. MODELE+H Proline Promass X 300 Coriolis Mass FlowmeterThe Endress+Hauser Proline Promass X 300 is a maximum-capacity Coriolis mass flowmeter engineered for high-volume measurement of crude oil, refined hydrocarbons, chemicals, and industrial gases up to 4,100 t/h. Featuring a patented four-tube sensor system and integrated Heartbeat Technology, it offers exceptional operational efficiency, minimal pressure drop, and custody-transfer precision for large-scale energy and industrial processing applications. 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. 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

Chongqing Chuanyi MFB Battery-Powered Electromagnetic Flowmeter

MFB Electromagnetic Flowmeter

The Chongqing Chuanyi MFB Battery-Powered Electromagnetic Flowmeter is an advanced flow measurement solution engineered specifically for off-grid applications and remote utility monitoring. Powered by an internal high-energy 3.6V lithium battery, this meter eliminates the need for external power supplies while ensuring accurate measurement of conductive liquids. It features an integrated 3-row LCD display, pulse and RS485 outputs, and optional NB-IoT wireless communication for real-time data transmission. With robust IP67/IP68 protection and mechanical/electronic sealing, the MFB series delivers dependable performance for municipal water supplies and remote industrial billing applications.

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Chongqing Chuanyi MFB Battery-Powered Electromagnetic Flowmeter with Digital Display

Product Overview

The Chongqing Chuanyi MFB Battery-Powered Electromagnetic Flowmeter is an innovative, self-powered flow measurement device built to handle challenging field conditions where traditional power grids are unavailable or difficult to install. Utilizing advanced ultra-low-power circuit design and high-efficiency signal processing, the MFB series provides exceptional reliability and accuracy. It is widely recognized as an optimal choice for municipal water supply networks, remote pipeline monitoring, and commercial water billing.

Key Features & Highlights

  • Self-Powered Operation: Powered by an internal 3.6V high-energy lithium battery (with optional AC or DC backup configurations), operating independently of external power grids.

  • Extended Battery Life: Delivers a reliable service life of over 6 years under standard battery-powered conditions.

  • Comprehensive Multi-Parameter Display: Features a clear 3-row segment LCD screen showing flow rate, total volume, flow velocity, temperature, pressure, battery status, and diagnostic alarms.

  • Smart Wireless & Digital Communications: Supports standard pulse outputs, RS485 communication, and optional NB-IoT (Telecom/Mobile) modules for remote meter reading and telemetry.

  • Secure Data Protection: Equipped with non-volatile memory storing data for up to 10 years, alongside mechanical and electronic sealing to prevent unauthorized parameter modifications.

  • High Environmental Protection: Offers IP67 or IP68 protection grades, ensuring robust performance against moisture, flooding, and harsh outdoor field exposures.

Working Principle & Measurement Performance

Based on Faraday’s law of electromagnetic induction, the MFB flowmeter measures conductive liquids with a minimum electrical conductivity of 5 uS/cm. The meter features a wide measuring range with a flow velocity up to 10 m/s and maintains a high accuracy level of 0.5%. It includes advanced self-diagnosis functions for empty pipe detection, coil open-circuit faults, and low battery alerts, ensuring stable long-term operation with minimal maintenance.

Application 

  • Municipal Water Supply: Water distribution networks, district metering areas (DMA), and remote pipeline monitoring.

  • Commercial Billing: Water resource management and off-grid trade settlement metering.

  • Environmental & Irrigation: Agricultural water conservation projects and outdoor wastewater discharge monitoring.

  • Industrial Utilities: Remote factory water systems where electrical cabling is impractical.

Technical Specifications

Technical Parameter Specification Details
Product Model MFB Battery-Powered Electromagnetic Flowmeter
Nominal Diameter (DN) DN15 – DN1200
Accuracy Class Class 0.5
Nominal Pressure 1.0 MPa, 1.6 MPa, 2.5 MPa, 4.0 MPa, ANSI classes, and JIS standards
Lining Materials Neoprene, Polyurethane rubber, Natural rubber, PTFE, PFA, FEP (F46), ETFE
Electrode Materials 316L, Hastelloy C, Titanium, Tantalum, Platinum-iridium alloy, Platinum
Medium Conductivity >= 5 uS/cm (Deionized water >= 20 uS/cm)
Medium Temperature -25°C to +80°C
Ambient Temperature -52°C to +65°C (Display unit performance may degrade below -20°C)
Power Supply Options Standard: 3.6V Lithium battery; Optional: 220V AC + 3.6V battery, or 24V DC + 3.6V battery
Battery Life 6 years or more (Battery-only mode)
Output Signals Pulse output, RS485, optional NB-IoT (Telecom/Mobile)
Enclosure Protection IP67 / IP68 (Integral or Remote type)

FAQ

Q1: Does the MFB flowmeter require an external power supply? A: No, the MFB series is primarily powered by an internal 3.6V high-energy lithium battery designed for off-grid and remote applications, though AC and DC backup power options are available.

Q2: How long does the battery last? A: Under standard operating conditions, the built-in lithium battery provides a reliable service life of over 6 years.

Q3: Can the meter transmit data remotely? A: Yes, it supports RS485 communication, standard pulse outputs, and optional NB-IoT wireless modules for remote data telemetry and meter reading.

Q4: What is the minimum fluid conductivity required for accurate measurement? A: The measured medium must have an electrical conductivity of at least 5 uS/cm (or 20 uS/cm for deionized water).

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