SG100 Fixed Gas Detector - ATEX and IECEX Certified
The SG100 series is a cost-effective gas detector for continuous monitoring of toxic gases, oxygen, flammable, and VOC gases. It is IECEx and ATEX certified with intrinsically safe explosion grade. Featuring 2-wire or 3-wire 4-20 mA analog output, RS485 Modbus output, and optional HART output, it is compatible with most control systems. With optional wireless data transmission, customers can review and download data remotely. Supports both magnetic and remote control for flexible configuration.
Product Images
Product Advantages
- IP66/IP68 water & dust resistant rating
- Intelligent plug-and-play sensor module with calibration support via Safegas PC software for easier replacement and maintenance
- Standard splash guard for outdoor installation or environments with water splash
- Compact and lightweight design (1 kg) with standard mounting bracket for easy installation
- Standard 4-20 mA analog signal output and RS485 Modbus signal output with optional HART output and 2-wire output for compatibility with most control systems
- Includes 3 relays for low/high/fault alarm (optional)
- Supports both magnetic and remote control for flexible configuration
Technical Specifications
| Parameter |
Specification |
| Detected Gas |
Specified according to application |
| Measure Range |
Specified according to application |
| Install Method |
Wall-mounted, piping type, flow-type |
| Output Signal |
4-20mA, 1-5V, 2-10V, RS485, RS232, relays (optional) |
| Precision |
≤±1% F.S. (to be specialized) |
| Zero Shift |
≤±1% (F.S./year) |
| Display |
4 digits Nixie tube display |
| Connection Mode |
G3/4 external thread explosion-proof flexible pipe |
| Thread Size |
Standard M20*1.5, 3/4NPT |
| Temperature |
-20℃～50℃ |
| Humidity |
10-95% RH (non-condensing) |
| Explosion-Proof |
Ex db ⅡC T6/ Ex db ia IIC T6 Gb/ Ex da db ia IIC T6 Gb |
| Degree of Protection |
IP66/IP68 |
| Material |
Sensor housing: aluminum alloy or 316 stainless steel |
| Power |
12-24V DC |
| Dimensions |
158×129×70mm |
| Weight |
≤1kg |
| Approval |
CE, CNEX explosion proof certificate, CMC, IECEx, ATEX |
| Warranty |
12 months |
Detectable Gases
SG100 model can detect single gas. Here are some of the gases we can detect:
Product Configuration
Standard Accessories:
- Gas detector, 1 set
- Magnetic wand, 1 set
- User manual, 1 piece
- Conformity Certificate/warranty card, 1 piece
- Installation bracket, 1 set
- Infrared Ray Controller, 1 piece
Optional Accessories:
Calibration cap, power adapter, external pump, explosion-proof gland, adapter NPT3/4, adapter M20 * 1.5, sound and light alarm, etc. Please contact us for details.
Product Applications
- Chemical Industry
- Environmental Monitoring
- Healthcare Applications
- Automotive Industry
- Industrial Safety
- Wastewater Treatment
- Greenhouse Gas Monitoring
- Oil and Gas Exploration
- Food and Beverage Production
- Mining and Mining Operations
Why Choose Us?
- R&D team experience: over 25 years
- Company certification: ISO9001, ISO45001
- Product certification: IECEx (the only one in China), ATEX, CE
- Delivery: 5-7 days
- Yearly capacity: 80,000 units
- Service: Professional sales staff provide 7*24 hours service
As a professional gas detector manufacturer, we control the entire process from design-R&D-production-sales to ensure consistent product quality. We have more than 100 independent intellectual property patents in design and development. In production, we have skilled technical workers and a complete industrial line, which enables us to manage production and quality throughout the process. Our company has rich overseas sales experience and a professional sales team that can provide customers with 7*24h considerate service.
We have a professional R&D department with approximately 25 years of experience in the gas detection industry. Our team has professional knowledge and rich experience, enabling us to provide customers with professional technical after-sales service.
We implement a strict quality management system and adhere to the principle of quality first as our core value in producing gas detectors. Therefore, we have been recognized by authoritative organizations and obtained ISO9001 and ISO14001 certifications to provide customers with safe and environmentally friendly products.
Our products have obtained IECEx and ATEX explosion-proof certification, enabling our detectors to be used in hazardous areas such as mines, underground facilities, and oil plants. We are the first and currently the only manufacturer in China to obtain this certification. Products without explosion-proof certification are prohibited from being used in dangerous areas.
Our core components, such as ICs and sensors, use imported brands, which improves product accuracy, stabilizes product service life, ensures detection accuracy, and protects customer safety.
Our complete product line and stable inventory provide customers with fast delivery. If the order quantity is less than 10 pieces, we typically deliver within 3 days. For quantities exceeding 100 pieces, under normal circumstances, we can deliver within half a month.
Frequently Asked Questions
Q1: What is a gas detector?
A1: A gas detector is an instrument for gas leakage concentration detection, including portable gas detectors and fixed gas detectors.
Q2: What does a gas detector detect?
A2: Combustible gases: Natural gas (methane), liquefied gas, coal gas, acetylene, pentane, alkynes, toluene, etc. Toxic gases: Carbon monoxide, hydrogen sulfide, ammonia, chlorine, phosphine, sulfur dioxide, hydrogen chloride, chlorine dioxide and other toxic and harmful gases.
Q3: What is the ppm unit of the gas detector?
A3: ppm represents the volume concentration of the gas, meaning the volume of pollutants contained in one million volumes of air. For example, if the concentration of ammonia is 30ppm, it means that the volume of ammonia in one million volumes of air is 30.
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