20+ Years Industry Experience

Custom CO Sensors

OEM/ODM Manufacturing Solutions

CFS is an OEM/ODM factory specializing in electrochemical carbon monoxide sensors with over 20 years of industry experience. We provide B2B clients with highly stable, consistent, and customizable CO sensor solutions.

  • R&D team with 20+ years experience
  • Complete testing equipment
  • Full production QC processes
  • Traceable parameter system

Global Certifications & Standards

Our CO sensors meet international safety standards and certifications

🛡️

UL Standards

2034 / 2075
Compliant
🏆

European CE

EN 50291
Certified

UKCA Marked

BSI
Certified

Automotive Grade

6 Sigma
Management System
6 Sigma Management System 10-Year Battery Algorithm 100% In-house Sensor Tech

Why CFS Manufacturing is Different

Beyond simple OEM—we provide systematic quality control from design to 10-year lifecycle management

⚙️

Certified Design Capabilities

Structural, circuit & software architecture designed to UL 2034, UL 2075, EN 50291 standards.

  • Alarm point differences across standards
  • Test concentration curves
  • Interference immunity testing
  • Aging drift compensation
  • Reduce false alarm
🏭

Procedure Production System

Automotive-grade quality system ensuring consistency throughout the entire production process.

  • Design consistency control
  • Production traceability
  • Lifecycle consistency
  • 8D Customer Complaint Resolution
💻

Sensor Stability Control

100% independently developed sensor technology with advanced compensation algorithms.

  • Electrochemical compensation algorithms
  • Temperature & humidity drift correction
  • Low-temperature startup strategies
  • 10-year battery matching algorithm

LDCS1511B BMS Dedicated(Energy storage)Carbon Monoxide Sensor

Lifetime: 5 Years

LDCS3119B Hard Foot Type Carbon monoxide Sensor

Lifetime: 10 Years

LDCS3119C Hard Foot Type Carbon monoxide Sensor

Lifetime: 10 Years

LDCS3119Y Hard Foot Type Carbon monoxide Sensor

Lifetime: 10 Years

LDCS2819 Soft Foot Type Carbon monoxide Sensor

Lifetime: 10 Years

LDCS2219 Soft Foot Type Carbon monoxide Sensor

Lifetime: 10 Years

LDCS1511A BMS Dedicated(Energy storage) Carbon Monoxide Sensor

Lifetime: 10 Years

LDCS3119D Soft Foot Type Carbon monoxide Sensor

Lifetime: 10 Years

LDCS3119A Hard Foot Type Carbon monoxide Sensor

Lifetime: 10 Years

Full-Dimensional Customization Capabilities

From physical dimensions to firmware algorithms—10 customizable dimensions

Size & Shape

Physical Specifications

  • Cylinder: 12.5-15.5mm diameter, 5-50mm length
  • Button: 12.5-15.5mm diameter, 5-10mm height
  • Oval/Special: Custom dimensions, ultra-thin available
  • Pin Options: Soft/hard leads 5-50mm, wires 5-200mm

Module Solutions

Pre-configured Modules

  • CFS1511: 23×23×8mm, low power, digital output
  • CFS3119: 28×17×12mm, excellent selectivity
  • CFS5000: 69.4×68×36.5mm, five-in-one detection

Technical & Firmware

Software Customization

  • Lifespan: 3/5/7/10+ year options
  • Sensitivity: 0.8nA/ppm ~ 3.0nA/ppm
  • Protocols: RS485, Modbus, UART support
  • Logo: Laser logo, date code, QR code, MPN
CO Sensor Factory
CFS1511 CFS1511
CFS3119 CFS3119
CFS5000 CFS5000

Applications & Market Solutions

Our CO sensors serve diverse industries and applications worldwide

🔋

Battery Management System

BMS integration for energy storage systems

🏠

Residential & Commercial

CO detectors for homes and businesses

🏭

Industrial Monitoring

Heavy-duty industrial CO detection

🔥

Fire Alarms

Multi-sensor fire detection systems

📱

Portable Detectors

Handheld and wearable CO monitors

Energy Storage

CO detection in battery storage systems

Hydrogen Fuel Cell

CO contamination monitoring for fuel cells

📦

Container ESS

Gas sensors for container energy storage

🌡️

Thermal Runaway

Early detection of battery thermal events

200+
Global Partners
50M+
Sensors Delivered
99.9%
Quality Rate
24/7
Technical Support

Custom Manufacturing Process

7-step systematic approach from concept to mass production

1
Customization
Requirements
2
Technical
Assessment
3
Sample
Development
4
Client Sample
Approval
5
Mold Making &
Material Prep
6
Mass
Production
7
Shipping &
After-Sales
📋
Step 1

Customization Requirements

Size, quantity, application scenarios, certification requirements, target price, lifespan, accuracy requirements

Customization Requirements

How CFS Produces CO Sensors

Our production includes incoming inspection, cleaning, housing clamping, electrolyte injection, assembly, sealing, aging test, CO testing, lead welding, laser logo, and packaging.

Incoming Material Cleaning
Incoming Material Cleaning
Housing Clamping
Housing Clamping
Electrolyte Injection
Electrolyte Injection
Component Assembly
Component Assembly
Seal Ring Installation
Seal Ring Installation
Crimping & Sealing
Crimping & Sealing
Aging Test
Aging Test
CO Testing
CO Testing
Lead Soldering
Lead Soldering
Packaging
Packaging

Frequently Asked Questions

Find answers to common questions about our CO sensor manufacturing services

What is the Minimum Order Quantity (MOQ)?
CFS orders are generally 1000-3000 pieces, depending on customer needs and customization requirements. For standard modules, we can accommodate smaller trial orders to help you evaluate our products before committing to larger volumes.
Does it support BMS protocols?
Yes, our CO sensors support multiple communication protocols including RS485, Modbus, UART, and more. We can customize the firmware to integrate seamlessly with your Battery Management System and other industrial control systems.
Can the lifespan be customized?
Absolutely. CFS offers solutions for 3, 5, 7, 10 years and even over 10 years lifespan. Our proprietary electrochemical technology and battery matching algorithms ensure stable performance throughout the entire product lifecycle.
Is technical support provided?
Yes, we provide long-term technical support and problem analysis. Our engineering team with 20+ years of experience is available to assist with integration, calibration, troubleshooting, and any technical questions you may have throughout the product lifecycle.
How long is the lead time?
Sample lead time is typically 2-3 weeks. For mass production, the lead time is 4-6 weeks depending on order quantity and customization requirements. We maintain scheduled production to meet OTD (On-Time Delivery) requirements.
Do you support UL certification compliance?
Yes, CFS experts and engineers can ensure full compliance with UL 2034 and UL 2075 standards for your region. We design structural, circuit, and software architecture according to UL requirements, including alarm point differences, test concentration curves, and interference immunity testing.

Still have questions? We're here to help.

💬 Contact Our Experts

Start Your Custom CO Sensor Project

Get free samples, customized solutions, and cost assessment. Our team is ready to help you develop the perfect CO sensor for your application.

🛡️
Stable Supply Chain
20+ years manufacturing excellence
⏱️
Low Risk
6 Sigma Management & traceability
🏆
Global Certifications
UL, CE, UKCA, RoHS compliant
Private Label CO Sensor
ISO 9001 Certified
UL Recognized

"Safety is not a one-time shipment, but a 10-year responsibility."

Why Choose CFS as Your CO Sensor Partner

In the era of new energy and energy storage, CO sensors have become a crucial component of system safety.

🎯

Design Consistency

From concept to production

🏭

Production Consistency

Automotive-grade quality system

Batch Consistency

Traceable parameter system

🔋

Lifecycle Consistency

10-year performance guarantee

Our Commitment to Excellence

CFS is committed to providing BMS and industrial customers with long-term, stable, and highly customizable carbon monoxide sensor solutions. A truly reliable manufacturer should possess design consistency, production consistency, batch consistency, and lifecycle consistency.

📈 Partner with us for reliable CO detection solutions
CFS Supplier