المنتج
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.
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
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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.
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Extended Battery Life: Delivers a reliable service life of over 6 years under standard battery-powered conditions.
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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.
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Smart Wireless & Digital Communications: Supports standard pulse outputs, RS485 communication, and optional NB-IoT (Telecom/Mobile) modules for remote meter reading and telemetry.
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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.
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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
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Municipal Water Supply: Water distribution networks, district metering areas (DMA), and remote pipeline monitoring.
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Commercial Billing: Water resource management and off-grid trade settlement metering.
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Environmental & Irrigation: Agricultural water conservation projects and outdoor wastewater discharge monitoring.
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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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