4 Gas Detector
The Instrava 4 gas detector is a reliable 4-in-1 portable gas detection alarm designed for continuous monitoring of hazardous gases in industrial environments. The device simultaneously detects combustible gas (Ex), oxygen (O₂), hydrogen sulfide (H₂S), and carbon monoxide (CO), providing real-time protection for workers operating in potentially dangerous locations.
Built for durability and safety, this industrial 4 gas detector features IP66 protection, rugged TPU+PC housing, and multi-mode alarms including sound, LED light, and vibration. It is suitable for use in oil and gas facilities, confined spaces, mining operations, and chemical plants.
With long battery life, reliable sensing performance, and explosion-proof certification, the portable 4 gas detector helps ensure safe operations even in challenging environments.
Key Benefits
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Simultaneous monitoring of 4 hazardous gases
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Loud sound, light, and vibration alarms
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IP66 dustproof and waterproof protection
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Rugged PC + TPU housing for durability
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Long battery life up to 18 hours of operation
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Optional sampling pump for confined space detection
Gas Detectors Description
Industrial Applications of 4 Gas Detectors
The Instrava 4 gas detector is widely used in industries where monitoring of toxic and combustible gases is essential.
Oil and Gas Facilities
Detects combustible gases and toxic emissions during pipeline inspection and refinery maintenance.
Confined Space Entry
Ensures safe working conditions in tanks, tunnels, and underground spaces where oxygen deficiency or toxic gases may occur.
Mining Operations
Provides reliable gas monitoring for underground workers exposed to hazardous gases.
Industrial Maintenance
Protects workers during equipment inspection and plant maintenance activities.
Key Advantages of the Instrava 4 Gas Detector
Reliable 4-in-1 Gas Monitoring
Standard configuration detects:
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Combustible gas (Ex)
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Oxygen (O₂)
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Hydrogen sulfide (H₂S)
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Carbon monoxide (CO)
This configuration covers most industrial gas detection requirements.
Rugged Industrial Construction
The detector uses antistatic PC + TPU housing, providing excellent durability and wear resistance for harsh industrial environments.
Explosion-Proof Safety
Certified explosion-proof design ensures safe operation in hazardous areas.
Explosion-proof level:
Ex d ib II C T4 Gb
Multi-Mode Alarm System
When gas concentration exceeds preset limits, the detector activates:
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Audible alarm (>90 dB)
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LED flashing light
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Vibration alarm
These alerts help operators respond quickly to dangerous gas conditions.
Gas Detectors Parameter
| Parameter | Specification |
|---|---|
| Product Type | 4 Gas Detector |
| Detectable Gases | Combustible Gas (Ex), O₂, CO, H₂S |
| Sampling Method | Diffusion (compatible with pump) |
| Response Time | T90 ≤ 60 seconds |
| Accuracy | ≤ ±5% F.S |
| Repeatability | ≤ 2% F.S |
| Display | LCD |
| Alarm Method | Sound, LED light, vibration |
| Sound Intensity | >90 dB |
| Battery | Rechargeable lithium battery 3.7V, 2200mAh |
| Continuous Operation | ≥18 hours after full charge |
| Charging Time | About 4 hours |
| Protection Level | IP66 |
| Operating Temperature | -20°C to 60°C |
| Operating Humidity | 10–95% RH (non-condensing) |
| Operating Pressure | 80–120 kPa |
| Material | Antistatic PC + TPU |
| Weight | Approx. 0.28 kg |
| Dimensions | 132 × 63 × 48 mm |
| Explosion-Proof Grade | Ex d ib II C T4 Gb |
| Certifications | CPA, CCCF |
Instrava OEM/ODM
Tailored Sourcing & Customization: Getting You the Exact Product You Need
As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.
Finding the right product in a massive supply chain can be challenging. That is where we step in.
As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.
How We Customize to Fit Your Procurement Needs
For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.
For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.
For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.
Why Partner with Us for Custom Sourcing?
One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.
Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.
Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.
What gases does a 4 gas detector detect?
A 4 gas detector is designed to simultaneously monitor four common hazardous gases found in industrial environments. Most standard configurations detect:
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Combustible gases (Ex / LEL)
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Oxygen (O₂)
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Carbon monoxide (CO)
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Hydrogen sulfide (H₂S)
This combination covers the majority of gas hazards in industries such as oil and gas, mining, chemical plants, and confined space operations.
Where are 4 gas detectors commonly used?
Portable 4 gas detectors are widely used in environments where multiple hazardous gases may be present. Typical applications include:
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Oil and gas facilities
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Mining and underground operations
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Confined spaces such as tanks, tunnels, and pipelines
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Chemical processing plants
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Industrial maintenance and safety inspections
In these environments, a personal 4 gas detector helps protect workers by continuously monitoring gas concentrations.
How does a 4 gas detector alert users to dangerous gas levels?
When gas concentrations exceed preset limits, a 4 gas detector activates multiple alarm methods to ensure operators are immediately alerted. These alarms usually include:
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Audible alarm (buzzer)
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Flashing LED light
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Vibration alert
The combination of sound, light, and vibration alarms ensures warnings are noticed even in noisy or low-visibility industrial environments.
What is the typical battery life of a portable 4 gas detector?
Most portable 4 gas detectors use rechargeable lithium batteries designed for long working hours. A typical industrial model can operate up to 18 hours continuously after a full charge.
Long battery life ensures reliable performance during extended field inspections, maintenance tasks, and confined space monitoring.
Can a 4 gas detector be used in hazardous or explosive environments?
Yes. Many industrial 4 gas detectors are designed with explosion-proof certifications for use in hazardous areas where combustible gases may be present.
These detectors often comply with standards such as ATEX, IECEx, or CCCF and include explosion-proof ratings like Ex d ib II C T4 Gb, ensuring safe operation in potentially explosive atmospheres.
What features should a reliable 4 gas detector have?
A high-quality industrial 4 gas detector should include several key features to ensure safety and durability:
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IP-rated dust and water protection
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Explosion-proof certification
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Multiple alarm systems (sound, light, vibration)
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Long battery life for field use
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Durable housing for harsh environments
These features help ensure reliable gas monitoring and improved safety for workers in high-risk industrial locations.
Why Trust Instrava?
We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.
Our very existence depends on helping you source the products that are the perfect fit for your needs.
Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.
We help you avoid intermediaries posing as factories.
We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.
Our multilingual team ensures effective communication.
For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.
Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.
Please place your trust in us.
