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LED Display 4-20mA Fixed Nitrogen Oxides Gas Detector with Visual and Audible Alarm System
US$340.00
1-49 Pieces
US$325.00
50-99 Pieces
US$310.00
100+ Pieces
Product profile
Customization
AvailableBrand
Hanwei ElectronicsCustomized
CustomizedModel NO.
GTQ-WD2200Portable
Non PortableCertification
ATEXGas
No, No2, Nitrogen OxidesType
Fixed Gas DetectorModel No
Gtq-Wd2200Measuring Gas
Combustible Gas, Toxic GasPower
DC24V±6V, ≤3.0WResponse Time
Lel: T90≤15s Toxic Gas: T90≤30sElectrical Output
4-20mA, Hart, RS485-RTUOperation by
Magnetic Bar or IR Remote ControlState Indication
Yellow--Fault, Red--Alarm, Green--PowerIngress Protection
IP66/67Enclosure Material
Stainless SteelCable Entry
NPT3/4Dimensions
130mm X 209mm X 116mmWeight
About 2.0kgTransport Package
CartonOrigin
China MainlandProduction Capacity
100000pieces/YearKey features
High Accuracy & Stability: Features high-performance gas sensor and MCU technology for long lifespan and repeatability.
Multi-Protocol Output: Supports 4-20mA analog signal, RS485-RTU digital upload, and HART output.
Triple Relay Control: Provides 3 relay outputs for first alarm, second alarm, and fault indication.
Non-Contact Operation: Operated via magnetic bar or infrared remote control for safety and convenience.
Smart Maintenance: Smart sensor module is free of calibration and easy to maintain.
Remote Upgrade Capability: Optional Bluetooth communication allows for remote firmware upgrades.
Durable Construction: Stainless steel enclosure with IP66/67 ingress protection rating.
Visual & Audible Alarm: Equipped with high-performance LCD screen and alarm system for clear status indication.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service AvailableExport Year: 2008-02-05 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.03h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHanwei Electronics Group Corporation, established in 1998, is a public company based in Zhengzhou, Henan, China. It specializes in the R&D and manufacturing of gas sensors and detectors, with a strong export presence across multiple continents. The company holds ISO9001:2015 and ISO14001:2015 certifications and operates six production lines with a significant annual production capacity. Hanwei offers OEM and ODM services and emphasizes innovation with a considerable number of R&D engineers.
Supplier typeHanwei Electronics Group Corporation is a public company based in China, operating as a combined entity specializing in manufacturing gas detection products.
CertificationsThe supplier holds ISO9001:2015 and ISO14001:2015 certifications, indicating adherence to quality and environmental management standards.
After-Sales capabilityHanwei provides professional technical service and design projects tailored to customer needs, suggesting a focus on after-sales service.
Financial creditThe company is a public entity with significant annual production output exceeding US$100 million, suggesting strong financial credibility.
R&D capabilityWith 235 R&D engineers and a focus on developing gas sensors used in their products, Hanwei demonstrates a strong capability for innovation.
Production capacityHanwei has six production lines producing 50,000 gas detectors annually, supporting substantial production capacity.
Customization capabilityThe company welcomes OEM and ODM orders, indicating strong customization capabilities.
Product Q&A
Q:Why choose your company?
A:
We are a professional manufacturer with seasoned engineers having over 20 years of experience in the gas detection field, offering high quality at the best prices.
Q:Can I place a sample order?
A:
Sample orders for testing are welcomed.
Q:What certifications do you have?
A:
We hold CE, EN, BSI, UL, ISO, and other certifications.
Q:How do I get price information?
A:
Sales representatives provide detailed price information within one working day 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:
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