What is the warranty period?

We provide a comprehensive warranty covering mechanical defects, with free parts and labor for the machine's entire life.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for orders?

Peak season lead time is within 15 working days, while off-season lead time is approximately one month.

Good Repeatability Digital Display Acousto-Optic Combustible Gas Detector 4-20mA, Hart, RS485-RTU Output

Name: Good Repeatability Digital Display Acousto-Optic Combustible Gas Detector 4-20mA, Hart, RS485-RTU Output
Brand: HANWEI ELECTRONICS GROUP CORPORATION
SKU: 1958162142

Henan, ChinaHANWEI ELECTRONICS GROUP CORPORATION

US$500.00

5-49 Pieces

US$460.00

50-199 Pieces

US$430.00

200+ Pieces

Product profile

Customization

Available

Brand

Hanwei Electronics

Customized

Model NO.

GTQ-WD6200

Portable

Non Portable

Certification

RoHS

Gas

CH4

Type

Fixed Gas Detector

Measuring Gas

Combustible Gas, Toxic Gas

Sample Method

Diffuse Naturally

Power

DC24V±6V, ≤2.5W

Response Time

Lel: T90≤15s Toxic Gas: T90≤30s

Electrical Output

4-20mA, Hart, RS485-RTU

Relays

for 1st Alarm, 2ND Alarm, Fault ; Spst Contacts Ra

Operation by

Magnetic Bar or IR Remote Control

State Indication

Yellow--Fault, Red--Alarm, Green--Power

Operating Temperature

Lel: -40~70℃ Toxic: -20~50℃

Humidity

≤95%Rh (No Condensation)

Ambient Pressure

86kpa~106kpa

Ex Grade

Ex D Iic T6 GB / Ex Td A21 IP67 T80℃

Ingress Protection

IP67

Enclosure Material

Stainless Steel

Dimensions

130mm X 209mm X 116mm

Transport Package

Carton

Origin

China Mainland

Production Capacity

100000pieces/Year

Key features

High Accuracy & Stability: Features high-performance gas sensor and MCU technology for long lifespan and stable performance.

Multiple Output Options: Supports 4-20mA analog signal, RS485-RTU digital upload, and HART output for versatile integration.

Smart Sensor Maintenance: Smart sensor module is free of calibration and easy to maintain, reducing operational costs.

Non-Contact Operation: Allows remote configuration via magnetic bar or infrared remote control for safe and convenient use.

Advanced Connectivity: Equipped with Bluetooth communication and optional remote upgrade function for seamless updates.

Robust Industrial Design: Stainless steel enclosure with IP67 ingress protection, suitable for harsh industrial environments.

Multi-Alarm Relays: Provides 3 relay outputs for 1st alarm, 2nd alarm, and fault status indication for comprehensive safety.

Wide Application Scope: Ideal for oil refineries, chemical plants, metallurgy, and other industries with flammable gas risks.

Company profile

HANWEI ELECTRONICS GROUP CORPORATION

Henan, China

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 should I choose your company?

We are a professional manufacturer with seasoned engineers having 20 years of experience in the gas detection field, offering high-quality products at competitive prices.

Q:Can I order a sample first?

Yes, sample orders are welcome for testing purposes before placing a bulk order.

Q:What certifications does the product have?

The product holds CE, EN, BSI, UL, ISO, and RoHS certifications.

Q:How long does it take to get a price quote?

Sales representatives will provide detailed price information within one working day after receiving your inquiry.

Q:How do I get the best price for large quantities?

Please send a detailed enquiry including item model, quantity, quality requirements, logo, and payment terms for an accurate quotation.