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Low Cost CH4 and Co 2-in-1 Alarm for Home Use (GK)
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)
≥70dBModel No
GkDetecting Gas
Carbon Monoxide and MethaneAlarm Level
CH4:10%Lel, Co:Follow En50291Output
Gas Shut off Valve or RelaySound Level
≥70dBWarm-up Time
2-3 MinutesWorking Temp
0℃-55℃Consumption
≤3WTransport Package
Neutral BoxOrigin
China MainlandProduction Capacity
100000pieces/YearKey features
Dual Gas Detection: Detects both Carbon Monoxide and Methane with high accuracy and fast response.
Compact Plug-in Design: Space-saving design that covers only one outlet for easy indoor installation.
Visual & Audible Signals: Offers obvious visual alarming indications alongside sound alerts.
Relay/Valve Output: Optional output to control gas shut-off valve or relay for safety.
Professional Manufacturer: Backed by 20 years experience and 235 R&D engineers in gas detection.
Wide Certification: Certified by CE, EN, BSI, UL, ISO, and RoHS standards.
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:What gases does this alarm detect?
A:
It detects Carbon Monoxide (CO) and Methane (CH4) simultaneously.
Q:Can it control a gas valve?
A:
Yes, it offers optional relay and valve output for gas shut-off.
Q:What certifications are available?
A:
We have CE, EN, BSI, UL, ISO, and RoHS certifications.
Q:How long is the warm-up time?
A:
The warm-up time is 2-3 minutes.
Q:Can I order a sample first?
A:
Yes, sample orders are welcomed for testing before bulk purchase.
Send Inquiry
*To:
HANWEI ELECTRONICS GROUP CORPORATION
HANWEI ELECTRONICS GROUP CORPORATION*Content:
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