TVOC Gas Monitor with 4-20mA RS485 Output for Industrial Air Safety Detection
Fixed TVOC Gas Detector with IECEx ATEX Certified
The SG100 Fixed Gas Detector provides reliable continuous monitoring of TVOC and industrial environments with advanced alarm functionality.
Technical Specifications
| Parameter |
Specification |
| Detected Gas |
TVOC |
| Measurement Range |
0-100PPM |
| Installation 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 Range |
-20℃～50℃ |
| Humidity Range |
10-95%RH (non-condensing) |
| Explosion-Proof Rating |
Ex db ⅡC T6/ Ex db ia IIC T6 Gb/ Ex da db ia IIC T6 Gb |
| Protection Degree |
IP66/IP68 |
| Material |
Sensor housing: aluminum alloy or 316 stainless steel |
| Power Supply |
12-24V DC |
| Dimensions |
158×129×70mm |
| Weight |
≤1kg |
Certifications: CE, CNEX explosion proof certificate, CMC, IECEx, ATEX
Warranty: 12 months
Product Gallery
SG100 Fixed Gas Detector Overview
The SG100 series represents a cost-effective solution for continuous monitoring of toxic gases, oxygen, flammable substances, and VOC gases. IECEx and ATEX certified with intrinsically safe explosion grade, this detector features 2-wire or 3-wire 4-20mA analog output, RS485 modbus output, and optional HART output for compatibility with most control systems. Optional wireless data transmission enables remote data review and download. Supports both magnetic and remote control for flexible configuration.
Key Product Advantages
- IP66/IP68 water and dust resistant construction
- Intelligent plug-and-play sensor module with PC software calibration support
- Standard splash guard for outdoor installation and water-splash environments
- Compact and lightweight design (1kg) with standard mounting bracket
- Standard 4-20mA analog and RS485 modbus signal outputs with optional Hart output
- Three relays included for low/high/fault alarm (optional)
- Dual control options: magnetic and remote control for flexible setting
Manufacturer Profile
Established in 2010, Shenzhen Yuan Te Technology Co., Limited (Safegas) specializes in the design, production, and sales of gas detection equipment and systems. With 16 years of industry experience, we provide comprehensive solutions for various sectors including Oil, Chemical, Medicine, Energy, Environmental Protection, Electronics, Municipal Engineering, Agriculture, and Household Appliances.
As a professional gas detector manufacturer, we maintain complete control over the entire process from design and R&D to production and sales, ensuring consistent product quality.
Company Achievements
- 100+ independent intellectual property patents
- Complete industrial production line with skilled technical workers
- 7*24h professional customer service
- R&D department with 25 years of gas detection industry experience
- ISO9001 and ISO14001 certified quality management systems
Our products hold IECEx and ATEX explosion-proof certifications, making them suitable for hazardous areas including mines, underground facilities, and oil plants. We are the first and currently the only manufacturer in China to obtain these certifications.
We utilize imported core components from leading brands, ensuring detection accuracy, product stability, and extended service life to protect customer safety.
Our efficient supply chain ensures rapid delivery: 3 days for orders under 10 units and 15 days for orders exceeding 100 units under normal circumstances.
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