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Battery Backup Methane/CH4 and Carbon Monoxide/Co 2-in-1 Alarm
US$12.20
3,000-4,999 Pieces
US$11.80
5,000-9,999 Pieces
US$11.40
10,000+ Pieces
Product profile
Customization
AvailableType
Carbon Monoxide and Methane Gas AlarmSignal Transmission
Wired AlarmModel NO.
GKWorking Mode
ActiveCertification
ISOApplication
IndoorWorking Principle
ElectrochemicalTransmission Mode
CableAlarm Volume (within 1m)
≥70dBDetecting Gas
Carbon Monoxide and MethaneAlarm Level
CH4:10%Lel, Co:Follow En50291Output
Gas Shut off Valve or RelayTransport Package
Neutral BoxOrigin
China MainlandProduction Capacity
100000pieces/YearKey features
Dual Gas Detection: Detects both Carbon Monoxide and Methane simultaneously for comprehensive safety.
Battery Backup: Ensures continuous operation and alarm functionality during power outages.
High Accuracy Sensor: Electrochemical sensor provides fast response with low power consumption.
Strong Audible Alarm: Alarm volume reaches at least 70dB within 1 meter for clear warning.
Relay and Valve Output: Optional output to control gas shut-off valves or relays automatically.
Compact Design: Plug-in design covers only one outlet, saving space in indoor environments.
Multiple Certifications: Certified by CE, EN, BSI, UL, ISO, and RoHS for global compliance.
Visual Indication: Provides obvious visual alarming indication when gas concentration is detected.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service AvailableExport Year: 2008-02-05 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.01h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHANWEI ELECTRONICS GROUP CORPORATION is a China-based public company headquartered in Zhengzhou, Henan, established in 1998, with 657 employees. It specializes in gas sensors, gas detectors, alarms, meters, and related products, and supplies CO2 and NH3 gas-analysis equipment. The supplier reports ISO9001:2015 and ISO14001:2015 certifications, six production lines, 235 years of combined R&D-engineer experience, and gas-detector output of 50,000 pieces. It serves domestic and international markets and states that OEM and ODM orders are welcome. Evidence supports established manufacturing, product specialization, certification, and customization potential. However, the provided information does not sufficiently establish after-sales performance, financial credibility, or documented customer cases. Export-sales share is stated as 1%–10%, while trade evidence includes one transaction associated with a buyer in Uzbekistan.
Supplier typeThe supplier is identified as a public company from China, established in 1998, with 657 employees and a product portfolio centered on industrial and domestic gas detection, gas alarms, sensors, meters, and breathalyzers. Its stated specialization in gas-sensor and gas-detector R&D and mass production supports classification as a specialized manufacturer rather than a general trading company.
CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 management-system certificates. It also states that some products are for CE and TUV approval, but the slices do not confirm that all relevant products hold those approvals.
R&D capabilityInnovation capability is supported by the supplier's stated focus on developing and manufacturing its own gas sensors, its gas-detection R&D specialization, and 235 years of total R&D-engineer experience. Its product range includes portable, fixed, smart, combustible-gas, carbon-monoxide, and system-level detection products.
Production capacityThe supplier reports 657 employees, six production lines, and annual gas-detector productivity of 50,000 pieces. It also states a one-month off-peak lead time and peak-season fulfillment within 15 working days, providing explicit evidence of organized production capacity and stated delivery capability.
Customization capabilityThe supplier explicitly welcomes OEM and ODM orders and states that it can provide technical service and design projects to meet local customer requirements. This directly supports customization capability, although the slices do not specify minimum order quantities, engineering workflow, or customization limits.
Product Q&A
Q:Why choose your company?
A:
We are a professional manufacturer with seasoned engineers having 20 years of experience in the gas detection field, offering high-quality products at the best prices.
Q:Can I order a sample?
A:
Yes, sample orders for testing are welcomed at the first time.
Q:What certifications do you have?
A:
We hold CE, EN, BSI, UL, ISO, and RoHS certifications.
Q:How do I get price information?
A:
Sales representatives provide detailed price information within one workday after receiving your inquiry.
Q:What is the best price for large quantities?
A:
Please send a detailed enquiry including model number, quantity, quality requirements, logo, and payment terms for an accurate quotation.
Send Inquiry
*To:
HANWEI ELECTRONICS GROUP CORPORATION
HANWEI ELECTRONICS GROUP CORPORATION*Content:
Supplier replies will be sent to your registered email
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