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4-20mA DC24V LED Display Fixed CO2 Co O2 Gas Detector Gtq-Wd2200
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
Combustible/ Toxic GasType
Fixed Gas DetectorMeasuring Gas
Combustible Gas, Toxic GasSample Method
Diffuse NaturallyPower
DC24V±6V, ≤3.0WElectrical Output
4-20mA, Hart, RS485-RTUOperation by
Magnetic Bar or IR Remote ControlState Indication
Yellow--Fault, Red--Alarm, Green--PowerHumidity
≤95%Rh (No Condensation)Ingress Protection
IP66/67Enclosure Material
Stainless SteelCable Entry
NPT3/4Dimensions
130mm X 209mm X 116mmWeight
About 2.0kgTransport Package
Neutral BoxOrigin
China MainlandProduction Capacity
100000pieces/YearKey features
High Accuracy & Stability: Features high-performance gas sensor and MCU technology for good repeatability and long lifespan.
Multiple Signal Outputs: Supports 4-20mA analog, RS485-RTU digital, and HART output for versatile integration.
Triple Relay Protection: Includes 3 relay outputs for 1st alarm, 2nd alarm, and fault indication.
Non-Contact Operation: Enables control via magnetic bar or infrared remote without physical contact.
Smart Sensor Module: Free of calibration and designed for easy maintenance.
Bluetooth Remote Upgrade: Optional feature allowing remote firmware updates via Bluetooth.
IP66/67 Protection: Robust stainless steel enclosure ensures high ingress protection in harsh environments.
Wide Application Range: Suitable for oil refineries, chemical plants, metallurgy, and other explosive risk areas.
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 do you choose our company?
A:
We are a professional manufacturer, We have seasoned engineers with over 20 years' experience in gas detection field. so we can offer products of the same quality at the best prices.
Q:Can I have a sample order?
A:
The sample order to test are welcomed at the first time.
Q:What certification do you have?
A:
CE, EN, BSI, UL, ISOD and etc.
Q:How do I get price information?
A:
Sales representatives are responsible for providing detailed price information within 1 workday after get your inquiry.
Q:If I order a large quantity, what's the best price?
A:
Please send the detailed enquiry to us, including item model number, quantity for each item, quality requirement, Logo and payment terms etc. We will make an accurate quotation to you at the earliest time.
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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