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High Precision 3 Relay Outputs IP67 Refineries Gas Leak Detector Fixed Methane Gas Detector
US$115.00
2-49 Pieces
US$100.00
50-99 Pieces
US$90.00
100+ Pieces
Product profile
Customization
AvailableBrand
Hanwei ElectronicsCustomized
CustomizedModel NO.
GTQ-BS03Portable
Non PortableCertification
RoHSGas
CH4Type
Fixed Gas DetectorMeasuring Gas
Combustible Gas, Toxic GasSample Method
Diffuse NaturallyPower
DC24V±6V, ≤2.5WResponse Time
Lel: T90≤15s Toxic Gas: T90≤30sElectrical Output
4-20mA or PbusRelays
2 Free Contact, 1 Active RelayOperation by
IR Remote ControlState Indication
Yellow--Fault, Red--Alarm, Green--PowerOperating Temperature
Lel: -40~70℃ Toxic: -20~50℃Humidity
≤95%Rh (No Condensation)Ambient Pressure
86kpa~106kpaEx Grade
Ex D Iic T6 GB / Ex Td A21 IP67 T80℃Ingress Protection
IP67Enclosure Material
Aluminium AlloyDimensions
130mm X 154mm X 95mmTransport Package
CartonOrigin
China MainlandProduction Capacity
100000pieces/YearKey features
High Precision Detection: Features high accuracy, good repeatability, and long lifespan with high-performance gas sensor.
Triple Relay Output: Equipped with 3 relay outputs including 2 free contacts and 1 active relay for flexible control.
IP67 Ingress Protection: Durable aluminium alloy enclosure with IP67 rating for harsh industrial environments.
Non-Contact Operation: Supports infrared remote control for safe and convenient non-contact operation.
Smart Sensor Module: Features a smart sensor module that is free of calibration and easy to maintain.
Dual Output Options: Provides 4-20mA analog output or FBUS digital output for versatile integration.
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 with seasoned engineers having 20 years' experience in the gas detection field, offering products of the same quality at the best prices.
Q:Can I have a sample order?
A:
Sample orders for testing are welcomed at the first time.
Q:What certification do you have?
A:
We hold CE, EN, BSI, UL, ISOD and other certifications.
Q:How do I get price information?
A:
Sales representatives provide detailed price information within 1 workday after receiving your inquiry.
Q:If I order a large quantity, what's the best price?
A:
Please send a detailed enquiry including item model number, quantity, quality requirements, logo, and payment terms. 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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