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

What is the detection range and alarm level for natural gas?

The detecting range is 0~100% LEL, with a presetting alarm level of 7% LEL for natural gas detection.

Wireless Smart Natural Gas Alarm with Gas Shut-off Valve

Name: Wireless Smart Natural Gas Alarm with Gas Shut-off Valve
Brand: HANWEI ELECTRONICS GROUP CORPORATION
SKU: 735345382

Henan, ChinaHANWEI ELECTRONICS GROUP CORPORATION

US$22.99

100 Pieces

Product profile

Customization

Available

Type

Smart Gas Alarm

Signal Transmission

Wireless Alarm

Model NO.

Working Mode

Natural Diffusion

Certification

ISO, RoHS

Application

Indoor

Working Principle

Semiconductor

Transmission Mode

Wireless

Alarm Volume (within 1m)

≥70dB

Target Gas

Natural Gas

Gas Sampling

Natural Diffusion

Working Voltage

AC90V~265V

Alarm Method

Visual, Audible, Message

Warm up Time

180±10s

Detecting Range

0~100% Lel

Presetting Alarm Level

7% Lel

Lifetime

5 Yeas

Weight

About 150g

Dimension

85.6*85.0*40.5mm

Transport Package

Carton

Origin

China Mainland

Production Capacity

100000pieces/Year

Key features

Smart App & SMS Alerts: Receives real-time audible, visual, and remote notifications via mobile app or SMS upon gas leakage detection.

Automatic Valve Control: Integrated valve output function automatically shuts off gas supply when a leak is detected to ensure safety.

Intelligent Leak Prediction: Uses smart analysis of historical data to predict potential gas leaks before they become critical hazards.

Multi-Mode Alarm System: Provides three alarm actions: local audible/visual alarm, network notification, and text message alerts.

Wide Voltage Compatibility: Operates on AC90V~265V working voltage, ensuring stable performance in various electrical environments.

Professional Manufacturer: Backed by 20 years of experience and 235 R&D engineers, offering high-quality gas detection products.

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.