WF8002 Non-Magnetic Metering IC & Sensor Solutions | WEIFENG

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WF8002 Metering Chip

Pulse Output Sensor

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WF8002 non-magnetic metering IC and sensor solution for smart water and gas meters

Non-Magnetic Pulse Output Sensor

≤4 μA Static Current · Forward Reverse Detection · TTL/OC Pulse Output RX/TX Interface
for Smart Water and Gas Meters

Request Datasheet

Pulse Output Sensor Powered by WF8002

Powered by WEIFENG’s proprietary WF8002 non-magnetic metering IC

This complete sensor PCB integrates the sensing coil, peripheral circuitry and output interfaces. It converts metal target rotation into stable TTL or OC pulse outputs and provides an RX/TX interface, while supporting bidirectional detection, ≤4 μA static current, strong magnetic immunity and flexible integration into different water and gas meter structures.

Smart water meter powered by WF8002 non-magnetic metering technology

Technical Specifications

Signal Output

TTL/ OC Output Rx/ TX Interface

Pulse Width

64 ms

Metering Direction

Forward and Reverse

Operating Voltage

3.0–3.6 V DC

Static Current

4 μA

Maximum Rotation Speed

2.2 revolutions/second

Storage Temperature

−40°C to +90°C

Technical Specifications

WHY CHOOSE U11201

Six Key Advantages of the U11201

Built around WEIFENG’s proprietary WF8002 metering IC, the U11201 combines low-power sensing, flexible interfaces and matched installation in one compact sensor solution.

✓

≤4 μA Ultra-Low Power

Static current at or below 4 μA supports long-life, battery-powered smart meter designs.

✓

Strong Magnetic Immunity

Maintains reliable sensing performance under external magnetic interference without relying on permanent magnets.

✓

Bidirectional Flow Detection

Detects both forward and reverse rotor movement for bidirectional water metering applications.

✓

TTL / OC Output & RX / TX Interface

Combines flexible pulse output options with an RX/TX interface for convenient meter-system integration.

✓

Built-In Calibration Algorithm

The integrated algorithm simplifies sensor calibration, shortens development time and improves meter consistency.

✓

Pre-Matched for Easy Installation

The sensor PCB is matched to the meter design for quick installation with minimal specialist expertise.

Flexible Integration for Mechanical Water Meters

Powered by WEIFENG’s proprietary WF8002 metering IC, the U11201 can be matched to different metal target designs and mechanical water meter structures.

U11201 compact integration in a mechanical water meter

Compact Meter Integration

The compact U11201 sensor PCB can be installed within the limited internal space of mechanical water meters, supporting convenient upgrades to smart metering.

Compact PCB · Easy Integration

WF8002 compatible with multiple metal target designs

Multiple Metal Target Compatibility

The WF8002-based sensing solution supports different metal target shapes and angular configurations for various mechanical meter designs.

120° · 180° · 210° · Custom Designs

U11201 matched installation for different water meter structures

Matched Installation

PCB shape, sensing position and installation configuration can be matched to different meter structures for easier assembly with minimal specialist expertise.

Pre-Matched · Convenient Installation

Trusted by Industry Leaders

Proven at Scale

10M

+

Annual Output

40M

+

Units Deployed

200

+

Global Customers

30

+

R&D Engineers

Request WF8002 Datasheet & Technical Support

Tell us about your meter application and expected volume. Our engineering team will reply within one business day.

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About Us: WEIFENG develops proprietary metering ASICs, inductive sensing PCBAs, and meter-side modules for smart water and gas meters. We provide reliable, customer-specific solutions for global meter manufacturers

Contact Us: Room 210, Building 5, No. 1818-2 Wenyi West Road, Hangzhou 311121, China; Jing@hangzhouweifeng.cn; +86 136 1650 5123

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FAQ: Have questions about our WF8002 chip or sensor integration? Check our FAQ for datasheets, power specs, and installation guides.

Technical Support

Copyright © 2005-2025 Hangzhou Weifeng Intelligent Technology Co.,Ltd. All Rights Reserved. WF8002 IP Patent Nr.212021000298