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High Sensitivity Industrial 0-20ppm Fixed So2 Gas Detector
US$340.00
2-49 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
SO2Type
Fixed Gas DetectorMeasuring Gas
Combustible Gas, Toxic GasSample Method
Diffuse NaturallyPower
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 SteelDimensions
130mm X 209mm X 116mmWeight
About 2.0kgTransport Package
CartonOrigin
China MainlandProduction Capacity
100000pieces/YearKey features
High Accuracy & Stability: Adopts high-performance gas sensor and MCU technology for good repeatability and long lifespan.
Multiple Signal Outputs: Supports 4-20mA analog, RS485-RTU digital upload, and HART output for flexible integration.
Smart Remote Operation: Features non-contact operation via magnetic bar or infrared remote control for safety and convenience.
Robust Industrial Design: Constructed with stainless steel enclosure, IP66/67 ingress protection, and 3 relay outputs for alarms.
Low Maintenance Design: Equipped with smart sensor module that is free of calibration and easy to maintain.
Advanced Connectivity: Supports Bluetooth communication and optional remote upgrade function for system updates.
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' experience in gas detection, offering same quality at best prices.
Q:Do you accept sample orders?
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, ISOD and other certifications.
Q:How long to get price information?
A:
Sales representatives provide detailed price information within 1 workday after receiving your inquiry.
Q:How to get 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.
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HANWEI ELECTRONICS GROUP CORPORATION
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