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| Product Name | Standalone Carbon Monoxide Alarm |
| CO Sensor Type | 10-Year Life Electrochemical CO Sensor |
| CO Sensitivity & Response Time | 50 ppm: 60~90 minutes 100 ppm: 10~40 minutes 300 ppm: 0~3 minutes |
| Battery | 5-Year Replaceable DC3V (CR123A) Lithium Battery |
| Alarm Volume | > 85 dB(A) at 3 Meters |
| Low Battery Voltage | 2.65±0.05V |
| Material | ABS Plastic |
| Product Service Life | 10 Years |
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Price Details
Price Range for Reference:
US$10.62/Unit
The VC22R Portable Carbon Monoxide Alarm is designed for accurate CO gas detection in residential and commercial environments, featuring a 10-year electrochemical CO sensor and a real-time digital LCD display.
With precise detection thresholds and reliable response times, this standalone CO alarm provides early warning of carbon monoxide hazards, helping to prevent poisoning risks in enclosed spaces.
As an OEM manufacturer, we offer custom carbon monoxide alarm solutions with flexible branding, packaging, and compliance support for global markets.
Designed in accordance with EN 50291 standard (CO alarm for residential use)
CE & UKCA compliance available
RoHS compliant (environmental requirements)
Declaration of Conformity available upon request
Suitable for European and international markets requiring CO safety compliance.
| Parameter | Specification |
|---|---|
| Model | VC22R |
| Product Type | Standalone Carbon Monoxide Alarm |
| Sensor Type | Electrochemical CO Sensor (10-year life) |
| CO Response Time | 50 ppm: 60–90 min |
| 100 ppm: 10–40 min | |
| 300 ppm: 0–3 min | |
| Display | Digital LCD (real-time CO concentration) |
| Power Source | DC 3V Lithium Battery (CR123A, replaceable) |
| Battery Life | Approx. 5 years |
| Alarm Sound Level | >85 dB(A) at 3 meters |
| Low Battery Warning | 2.65 ± 0.05V |
| Material | ABS Plastic |
| Product Service Life | 10 years |
The VC22R uses a high-precision electrochemical CO sensor, which offers:
High selectivity for carbon monoxide
Accurate ppm-level measurement
Long-term stability with minimal drift
Fast and reliable response to CO concentration changes
This technology is widely used in safety-critical gas detection applications, ensuring dependable performance.
The integrated digital LCD screen provides:
Real-time CO concentration display (ppm)
Clear visual indication of gas levels
Easy monitoring for users and maintenance personnel
This feature enhances user awareness and system transparency, especially in environments requiring continuous monitoring.
Electrochemical CO sensor with 10-year lifespan
Real-time LCD display for CO concentration
Accurate multi-level response to CO exposure
Loud audible alarm (>85dB) for immediate warning
Replaceable lithium battery for extended usability
Low battery warning and self-check functionality
Stable performance with low false alarm rate
The VC22R is suitable for a wide range of CO detection scenarios:
Residential homes and apartments
Hotels and hospitality environments
Offices and commercial buildings
Boiler rooms and gas appliance areas
Garages and enclosed parking areas
Rental properties and property management systems
It is particularly suitable for environments where fuel combustion or gas appliances are present.
As a professional OEM supplier, we provide:
Logo and branding customization
Housing color and design options
Packaging and multi-language manuals
Market-specific compliance support (EN 50291, CE, UKCA)
Product configuration customization (display, alarm settings)
We support both standard distribution models and project-based customization.
Each VC22R unit undergoes strict quality control:
100% functional and calibration testing
CO sensor response verification
Alarm sound level testing
Battery performance validation
Aging and environmental reliability testing
Ensuring consistent and reliable operation across production batches.
Powered by replaceable CR123A lithium battery (5-year life)
Low battery warning ensures timely replacement
10-year sensor lifespan supports long-term use
Easy battery replacement design
Suitable for long-term installation with manageable maintenance requirements.
Wall-mounted or freestanding installation
Suitable for rooms with gas appliances or combustion sources
Recommended installation height depends on application environment
Portable design allows flexible placement
Q: What type of sensor is used?
A: A high-precision electrochemical CO sensor with a 10-year lifespan.
Q: Does the device display CO levels?
A: Yes, it features a digital LCD showing real-time CO concentration.
Q: Is the battery replaceable?
A: Yes, it uses a replaceable CR123A lithium battery.
Q: Can this product be customized for branding?
A: Yes, full OEM and private-label customization is supported.
For technical specifications, certification documents, or OEM inquiries:
Request datasheets and compliance files
Discuss private-label and customization requirements
Confirm sample availability and production lead times
Our engineering team is ready to support your project from evaluation to mass production.
