Gas Detection Systems in Industrial Safety: Design, Applications, and Best Practices
Gas detection systems are a critical component of industrial safety management in environments where flammable, toxic, or oxygen-displacing gases may...
- Schedule. Mon - Sat 09.00 - 20.00
Gas Detectors
Gas Detector 4 Gases – Reliable Industrial Safety Monitoring
In hazardous industrial environments, the Instrava 4-gas detector provides real-time monitoring of multiple gases simultaneously, ensuring the safety of operators in confined spaces, mines, oil & gas plants, and chemical facilities.
This gas detector 4 gases device combines rugged design, explosion-proof protection, and advanced sensor technology to detect oxygen, combustible gases, carbon monoxide, and hydrogen sulfide.
Key Benefits for Industrial Users:
Simultaneous detection of up to 4 gases
Fast response ≤30 seconds, accurate readings ≤±2% F.S
Rugged, drop-resistant design and IP67/IP68 protection
Explosion-proof certified: IECEX, ATEX, CNEX
Audible, visual, vibration alarms and man-down safety function
Long battery life (>15 hours continuous operation)
Gas Detectors Description
Industrial Applications of Gas Detector 4 Gases
The Instrava 4-gas detector is designed for industrial safety in challenging environments:
Mining Operations
Protects workers from toxic and combustible gases in underground mines.
Oil & Gas Plants
Detects flammable gases and hazardous emissions during pipeline inspection, drilling, and refinery maintenance.
Confined Spaces
Ensures oxygen levels and gas concentrations are safe in tanks, tunnels, and storage vessels.
Chemical and Wastewater Facilities
Monitors toxic gases like CO and H₂S to maintain safe working conditions.
Key Advantages of the 4-Gas Detector
Rugged & Durable
Can resist 3-meter drops
IP67/IP68 protection
EMC anti-static tested, works in walkie-talkie environments
Explosion-Proof & Certified
IECEX, ATEX, CNEX certified
Explosion-proof grade: Exia IICT4 Ga
Safe and reliable for hazardous environments
Multi-Level Safety
Man down alarm for underground operators
Password protection prevents unauthorized menu changes
High/low alarm latched function captures sudden gas changes
Sound, light, vibration alarm for maximum safety
Simultaneous Measurement of Multiple Gases
Detects O₂, combustible gas (LEL), CO, H₂S simultaneously
Real-time readings with TWA, STEL, MAX, MIN values
Large monochrome graphics display (160×96) with auto flip 180°
Supports PPM/mg/m³ unit conversion with one-key switching
Flexible pump suction or diffusion detection, supports external 20m sampling tube
Built-in water trap filter removes water, oil, dust, suitable for harsh environments
Features for User Comfort and Reliability
User Interface & Operation
Friendly interface, easy 6-button operation
Automatic detection of voltage, pump failure, and alarms
One-key functions: security detection, open storage, and screen flip
Data & Connectivity
Stores up to 100,000 data sets, exportable via cable
Optional Bluetooth for real-time data to PC/mobile
Unique modifiable ID for instrument management
Flexible & Safe Design
High/low alarm latched function
Multi-language support (English, Chinese, etc.)
Pump suction and diffusion dual-use
Automatic pre-calibration after power-on
Gas Detectors Parameter
| Parameter | Specification |
|---|---|
| Product Type | Gas Detector 4 Gases |
| Gas Types | Oxygen (O₂), Combustible Gas (LEL), Carbon Monoxide (CO), Hydrogen Sulfide (H₂S) |
| Detection Range | 0–30%VOL, 0–100%LEL, 0–500PPM, 0–100PPM |
| Resolution | 0.01%VOL, 1%LEL, 1PPM, 1PPM |
| Accuracy | ≤ ±2% F.S (except special gases) |
| Response Time | ≤30 seconds |
| Sampling Method | Pump suction (external tube up to 20m), diffusion |
| Display | Monochrome graphics 160×96, auto flip 180° |
| Backlight | Adjustable, auto on during alarm |
| Alarm | 95dB buzzer (@30cm), red LED, vibration, man down alarm, remote optional via Bluetooth |
| Battery | 3.7V rechargeable lithium battery, 2200mAh |
| Working Hours | >15 hours continuous pumping |
| Charger | Travel charger, DC interface, ≥4 hours charging |
| Explosion-proof Grade | IECEX/ATEX (II IG Ex ia IIC T4), CNEX Ex ia IIC T4 Ga |
| Protection Level | IP68 |
| Operating Temperature | -20℃ to +50℃ |
| Humidity | 0–90% RH (no condensation) |
| Environmental Pressure | 86–106 KPa |
| Size | 157×84.5×59.5 mm (with back clip and filter) |
| Weight | 365g (including battery, belt clip, filter) |
| Certifications | EMC 2004/108/EC, ATEX 94/9/EC |
Instrava OEM/ODM
Instrava Engineering & Customization Support
At Instrava, our instruments are developed with a strong focus on real industrial applications. Each product is designed to operate as a reliable component within measurement, control, and automation systems, rather than as a standalone device.
Our engineering team supports customers during product selection by evaluating process conditions, operating environments, and system requirements, ensuring stable and long-term performance in actual use.
In addition to standard configurations, Instrava offers flexible customization options, including measurement range, materials, output signals, communication interfaces, and installation methods. All custom solutions are engineered to meet industrial standards and application-specific demands.
We also support OEM projects and system integration, providing consistent product design, technical documentation, and long-term supply to ensure smooth integration and reliable operation throughout the project lifecycle.
The Instrava gas detector 4 gases can simultaneously monitor O₂, combustible gas (LEL), carbon monoxide (CO), and hydrogen sulfide (H₂S).
Optional sensors allow customization for specific toxic or industrial gases, making it ideal for confined space monitoring, industrial plants, and mining operations.
The detector features multi-mode alarms: audible, vibration, and flashing red LED alerts.
Additional safety functions include:
Man down alarm for underground operators
High/low alarm latched to capture sudden gas changes
Password protection to prevent unauthorized menu changes
These features help operators work safely in harsh industrial environments.
The Instrava 4-gas detector provides real-time readings within ≤30 seconds.
Accuracy is ≤ ±2% F.S (depending on sensor type). The detector supports TWA, STEL, MAX, MIN values, making it suitable for industrial safety monitoring and regulatory compliance.
Equipped with a 3.7V rechargeable lithium battery (2200mAh), the detector supports over 15 hours of continuous pumping operation.
Battery protections include overcharge, over-discharge, overvoltage, overheating, and short-circuit protection, ensuring reliable field performance.
Yes. It is designed for rugged and durable use:
Drop-resistant up to 3 meters
IP68 protection against dust and water
Explosion-proof certified (IECEX, ATEX, CNEX)
EMC anti-static tested, works even in walkie-talkie environments
This makes it ideal for oil & gas, mining, chemical, and wastewater facilities.
Yes. Key features include:
Stores up to 100,000 data sets, exportable via cable
Optional Bluetooth for real-time data transfer to PC or mobile
Supports unit switching (PPM/mg/m³) and automatic conversion
Unique modifiable ID for instrument management
These functions make the detector user-friendly for engineering projects, safety monitoring, and industrial audits.
Why Choose Instrava
By choosing Instrava, you gain a partner with a deep understanding of industrial applications and the expertise to meet today’s operational challenges.
Our role extends beyond products—we support your success through dependable solutions and long-term commitment.
Engineering-Driven Innovation
Innovation at Instrava is guided by real industrial requirements. We continuously refine our technologies to address evolving operational challenges, ensuring practical and reliable performance in demanding environments.
Application-Specific Customization
We provide engineering-level customization to match specific process conditions. From measurement range and materials to output signals and installation options, our solutions are configured to fit real applications.
Proven Quality and Reliability
Quality and reliability are fundamental to every Instrava product. Manufactured under strict quality control and thoroughly tested, our instruments deliver accurate, stable, and long-term performance.
Global Capability with Local Support
Instrava combines global engineering expertise with responsive local support, ensuring our partners benefit from internationally aligned technology and timely regional service.
Comprehensive Product Portfolio
Our broad portfolio of measurement and control instruments enables us to address a wide range of industrial needs, providing integrated solutions from a single, reliable source.
Partner-Oriented Engineering Support
We work closely with our partners from technical consultation to after-sales support. Our focus is on delivering solutions that create lasting value and support long-term operational success.
Natural Gas Detectors for Home: Risk Scenarios, Placement Logic, and Long-Term Reliability
Home Gas Safety Is About Scenarios, Not Devices Residential gas safety is often discussed in terms of products, but real...
VOC Toxic Gas Detectors: Industrial Safety and Process Control Applications
Volatile Organic Compounds (VOCs) are a broad class of chemicals widely used in industrial processes, including chemical manufacturing, petroleum refining,...
