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High Sensitivity Co Alarm for Immediate Hazard Detection
US$8.00-12.00
1,000 Pieces
Product profile
Customization
AvailableType
Carbon Monoxide AlarmSignal Transmission
StandaloneModel NO.
C621Working Mode
ActiveCertification
CE, RoHS, CCCApplication
IndoorWorking Principle
Electrochemical SensorTransmission Mode
Audible and Visual AlarmAlarm Volume (within 1m)
≥90dBSupply Voltage
DC 4.5V (3*1.5V AA Batteries)Standby Current
<10uaAlarm Current
<70mASensor Type
ElectrochemicalSensor Lifetime
10-YearsProduct Weight
195gProduct Size
106.0*37.5mmCE Standard
En 50291-1:2018Transport Package
Carton BoxTrademark
ScondaorOrigin
ChinaHS Code
8531100000Production Capacity
100, 000 Pieces/MonthKey features
10-Year Sensor Lifetime: Advanced electrochemical sensor ensures reliable detection for a decade.
Real-Time LCD Display: Shows CO concentration from 0-999ppm with peak memory and fault warnings.
High Sensitivity Detection: Detects 50ppm within 90 mins, 100ppm within 40 mins, and 300ppm within 3 mins.
Loud Audible Alarm: Emits sound exceeding 85dB at 3 meters with visual LED indicators.
360-Degree Gas Intake: Natural diffusion design ensures rapid gas sampling from all directions.
Multiple Safety Warnings: Features low battery, sensor fault, and end-of-life alerts with LED codes.
CE Certified Standard: Complies with EN50291-1:2018 for safety and performance assurance.
Flexible Installation: Easy wall or ceiling mounting with included accessories.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2018-06-01Nearest Port: ShenzhenAverage Response Time: ≤3.81hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB
AI-Powered supplier vetting
SummarySconda Intelligent Technology Co., Ltd is described as a professional manufacturer of fire safety alarms and gas detection products, with production, measurement, and quality-control capabilities. It holds ISO 9001 certification, reports quality assurance and raw-material traceability, and has experienced R&D engineers and quality-control personnel. However, the available evidence shows no 3D software design, ODM, SDK, or popular-brand OEM services, and no new products during the past year. Customization from samples and designs is available. Overseas service infrastructure, inventory capability, and factory-subcontractor manufacturing contracts are absent. Financial information is limited to year labels without performance details, while after-sales procedures lack written records.
Supplier typeThe supplier is explicitly described as a professional and advanced manufacturer specializing in fire safety alarms, gas detection products, and related air-quality monitoring equipment. However, one assessment states that it is not a professional technical supplier, so its profile is stronger as a product manufacturer than as a technical-services provider.
CertificationsThe supplier reports holding ISO 9001 certification, directly evidencing a certified quality-management system.
R&D capabilityInnovation evidence is limited: the supplier reports no new products in the past year and does not provide ODM, SDK, or 3D software design services. It does report 21–30 years of total R&D engineer experience, but this alone does not establish current innovation performance.
Production capacityThe supplier describes advanced production lines, measuring facilities, manufacturing force, ISO 9001 quality management, and a stated peak- and off-season lead time within 15 workdays. Nonetheless, it reports no valid manufacturing-capacity contract with related subcontractors, no inventory capacity, and only one qualified supplier for the assessed service capability.
Customization capabilityThe supplier explicitly provides customization from samples and customization from designs. This supports product customization, although the same evidence confirms that it does not offer 3D software design services.
Product Q&A
Q:How long does the sensor last?
A:
The advanced electrochemical sensor has a lifetime of 10 years.
Q:What is the alarm volume level?
A:
The alarm sound level is greater than 85dB at a distance of 3 meters.
Q:How does the device indicate low battery?
A:
It triggers a low battery warning when voltage drops below 3.6V, indicated by a flashing yellow LED.
Q:What are the response times for different CO levels?
A:
It alarms within 60-90 minutes at 50ppm, 10-40 minutes at 100ppm, and within 3 minutes at 300ppm.
Q:What power source does the alarm use?
A:
It operates on 3*1.5V AA alkaline batteries, which are replaceable.
Send Inquiry
*To:
Shenzhen Sconda Intelligent Technology Co., Ltd
Shenzhen Sconda Intelligent Technology Co., Ltd*Content:
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