Hangzhou WEIFENG Intelligent Technology Co.,Ltd

V23050T2 is a compact inductive pulse output sensor designed for residential, commercial and high-speed smart metering applications. It uses non-magnetic metal-disc detection to provide stable forward and reverse pulse signals without mechanical contact.The sensor supports OC/TTL output, operates from 3.0 to 3.6 V DC and is available in different speed and power-consumption configurations to match water meters, gas meters and other rotating metering equipment.

The U11201 is a non-magnetic inductive pulse output sensor powered by our proprietary WF8002 metering chip, designed for integration into smart water meter systems. Using PCB inductive sensing technology, it detects rotating metal targets without magnetic components and supports forward and reverse metering with OC/TTL pulse output.Operating at 3.0–3.6 V DC with a static current below 4 μA, the U11201 offers low power consumption, strong resistance to magnetic interference, and customizable PCB shapes and dimensions for different meter designs.

V20525 Inductive Pulse Output SensorThe V20525 is a compact inductive pulse output sensor developed for residential water meter reading and smart metering applications. It detects the movement of a metal disc without using a reed switch or Hall sensor, helping improve resistance to external magnetic interference and mechanical wear.Key Features• Non-magnetic inductive sensing technology• Forward and reverse metering support• OC or TTL signal output• Standard 64 ms pulse width• Low-power operation for battery-powered meters• Stable sensing distance of less than 10 mm• Compact PCB design for meter integration• Customizable PCB shape and dimensionsTechnical PerformanceThe V20525 operates from a 3.0–3.6 V DC power supply. In the residential meter configuration, static current is less than 4 μA and operating current is less than 6 μA. The sensor supports rotation speeds of up to 2.2 revolutions per second.Applications• Residential smart water meters• Electronic water meter reading• Mechanical-to-electronic meter conversion• Forward and reverse flow detection• Battery-powered metering equipmentCustomizationPCB shape, dimensions, connector type, cable length and installation structure can be customized according to the customer’s meter design. Please provide drawings or samples for compatibility evaluation.

PCBA Metering Sensor (Based on WF8002)-Standard Pulse Output At the heart of our PCBA count sensor lies the WF8002, our proprietary inductive metering chip. The sensor operates through an innovative design where detection coils are directly integrated into the PCB. It functions by precisely detecting the rotations of 240°/180°/120°/90°metal plate rotor, which is positioned parallel to the PCBA at an optimized distance. This working principle makes it an ideal metering solution for smart water and gas meters. The PCBA count sensor is distinguished by its: Unique Algorithm: Proprietary software ensures accurate counting in complex conditions. Anti-Magnetic Interference: Immune to external magnetic tampering. Ultra-Low Power Consumption: Extends battery life for long-term operation. Durable & Reliable: No moving parts in the sensor ensures a long operational lifespan. Compact Design: The integrated PCB saves valuable space in meter housings. Customizable: Configurable to meet specific design and performance requirements.

V23050-MBUS is the teardrop-format board in the wired series, combining PCB-coil non-magnetic sensing with an M-Bus converter. CJ/T 188 is the default protocol, with Modbus available, and the sensor runs from an internal DC 3.6 V supply.

V11201-MBUS uses the narrow rounded PCB format with a G/V/D/P/T pad interface and an M-Bus converter. CJ/T 188 is the default protocol, with Modbus optional, and the sensor runs from an internal DC 3.6 V supply.

V20525-MBUS uses the round PCB format with a JST connector and an M-Bus converter. CJ/T 188 is the default protocol, with Modbus optional, and the sensor runs from an internal DC 3.6 V supply.

V23050-RS485 is the teardrop-format board in the wired series, pairing PCB-coil non-magnetic sensing with an RS485 transceiver. Modbus RTU is the default protocol, with CJ/T 188 available; power can be supplied externally at 5–12 V or internally at DC 3.6 V.

V11201-RS485 uses the narrow rounded PCB format with a G/V/D/P/T pad interface and an RS485 transceiver. Modbus RTU is the default protocol; power can be supplied externally at 5–12 V or internally at DC 3.6 V.

V20525-RS485 uses the round PCB format with a JST connector and an RS485 transceiver. Modbus RTU is the default protocol; power can be supplied externally at 5–12 V or internally at DC 3.6 V.

Wired metering module series for smart water and gas meters, available with M-Bus or RS485 communication and three PCB formats. Non-magnetic inductive sensing, EN 13757 and Modbus support, with internal or external supply options.

V23050-WMBUS uses the teardrop PCB format with an integrated 868 MHz Wireless M-Bus radio. It meets EN 13757 / OMS, supports configurable T1 / C1 modes and runs from 2.9–3.6 V with a total standby current below 5 µA at a 30-second send interval.

V11201-WMBUS uses the narrow rounded PCB format with an integrated 868 MHz Wireless M-Bus radio. It meets EN 13757 / OMS, supports configurable T1 / C1 modes and runs from 2.9–3.6 V with a total standby current below 5 µA at a 30-second send interval.

V20525-WMBUS uses the round PCB format with a JST connector and an integrated 868 MHz Wireless M-Bus radio. It meets EN 13757 / OMS, supports configurable T1 / C1 modes and runs from 2.9–3.6 V with a total standby current below 5 µA at a 30-second send interval.

1. General Product Description (With WF8002)Bluetooth 5.0 Non-Magnetic Metering Sensor (Based on WF8002)This sensor integrates Bluetooth 5.0 Low Energy (BLE) technology with the advanced WF8002 non-magnetic metering chip. Designed for precision IoT applications such as smart water meters smart gas meters and heat meters, the WF8002 handles the core non-magnetic sampling and signal processing, ensuring high reliability and immunity to external magnetic interference. Combined with ultra-low-power Bluetooth 5.0, this module enables efficient local data collection, over-the-air (OTA) configuration, and seamless connectivity with mobile terminals.2. Technical & Feature Focused Description (With WF8002)Key Features:Wireless Connectivity: Supports Bluetooth 5.0 (Bluetooth Low Energy), offering high data throughput (1Mbps) and extended range for reliable communication.Core Metering Technology: Built around the dedicated WF8002 non-magnetic metering chip, which accurately converts mechanical rotation into electronic readings. It features built-in reverse flow detection, high flow alarm, and advanced magnetic interference immunity.Low Power Consumption: The WF8002 is engineered for ultra-low-power operation, making it ideal for long-term battery-powered devices, ensuring extended product lifespan and reduced maintenance costs.Application: Ideal for IoT post-paid/pre-paid meters, enabling remote data upload, leakage alarm, and status monitoring via Bluetooth connectivity.3. Marketing & Application Description (With WF8002)Smart Metering Powered by WF8002 and Bluetooth 5.0Experience the future of utility management with our Bluetooth 5.0 non-magnetic metering solution. At its core, the dedicated WF8002 metering chip ensures precision measurement that is completely resistant to external magnetic fields. Combined with the convenience of Bluetooth 5.0 wireless technology, technicians and consumers can easily query data and perform debugging via a mobile app. Enjoy features like one-button recharge and remote fault diagnosis—all without physical access to the meter.

A three-model kit covering the V11201, V23050 and V20525 Wireless M-Bus boards. One sampling order lets meter designers evaluate all three PCB formats with the same 868 MHz EN 13757 / OMS radio and 2.9–3.6 V supply.

Wireless M-Bus metering modules for smart water and gas meters, combining non-magnetic inductive sensing with 868 MHz EN 13757 / OMS communication. Three PCB formats — V23050, V11201 and V20525 — share one electrical and RF platform and are adapted to different meter mechanisms. Designed for remote meter reading in AMR/AMI systems.

The 4G Cat.1 Non-Magnetic Metering Module is designed for smart water and gas meter applications, integrating WF8002-based non-magnetic metering with 4G Cat.1 cellular communication.It enables metering data to be transmitted directly through cellular networks for remote meter reading, reducing dependence on local gateways and simplifying AMR/AMI deployment.With reliable wide-area cellular connectivity and flexible system integration, the module is suitable for smart metering projects requiring direct cloud communication and large-scale remote data collection.

The LoRaWAN Non-Magnetic Metering Module is designed for smart water and gas meter applications, combining WF8002-based metering solutions with low-power LoRaWAN communication.It supports Reed, Hall, inductive and other flow sensors, with multiple ISM frequency bands including CN470, EU433, EU868, US915, AS923 and AU915. The module provides stable wireless communication, low power consumption, data storage, voltage monitoring and fault alarm functions.With periodic data reporting, supplementary data transmission, flow direction detection and infrared near-end maintenance, the module is well suited for long-life AMR/AMI smart metering applications.

The NB-IoT Non-Magnetic Metering Module is designed for smart water meter applications, combining high-accuracy non-magnetic metering with wide-area NB-IoT communication.It supports non-magnetic, reed, optical and Hall sensing technologies. For small-diameter water meters, the module supports 1 L metering resolution and a reading accuracy above 99.9%, while enabling remote data transmission through NB-IoT networks.The module provides scheduled reporting, data retransmission, historical data storage, alarm functions, infrared local maintenance, remote parameter configuration and firmware upgrade, making it suitable for large-scale AMR/AMI smart water metering projects.