GTQ-BS03 Fixed Gas Detector – Industrial Combustible & Toxic Gas Monitor with 4-20mA/RS485 Output & IP67 Rating

The GTQ-BS03 Fixed Gas Detector is a high-performance industrial gas monitoring solution designed for reliable and accurate detection of combustible and toxic gases in hazardous environments. Built with advanced sensor technology and an MCU-based control system, it ensures stable operation, long service life, and minimal maintenance. The detector supports both 4-20mA analog and RS485 Power BUS digital outputs, and features three relay outputs for flexible alarm and control integration. With its IP67-rated enclosure, bright LCD display, and non-contact infrared remote control, the GTQ-BS03 is ideal for use in petroleum, chemical, refinery, metallurgical, and power industries where worker safety and gas leak prevention are critical.

• High Accuracy & Durability – Advanced sensor and SMT manufacturing ensure reliable detection, stable performance, and long lifespan even in harsh conditions.

• Dual Output Options – Choose between 4-20mA analog signal or RS485 Power BUS digital communication for easy integration into existing control systems.

• Rugged & Secure Design – IP67 protection rating and robust aluminum alloy/stainless steel housing suitable for demanding industrial environments.

• Smart Sensor Technology – Sensor module requires no calibration, reduces maintenance effort, and supports quick replacement.

• User-Friendly Operation – Large LCD with color backlight, three configurable relays, and non-contact control via included infrared remote.

Henan Weiguo Intelligent Technology Co., Ltd. (WG Sensor™ AirRadio™ WeGoIot™ ), established in 2017, is a high-tech enterprise in Henan, China. Our group company began producing sensors in 1998 and has become the main manufacturer of sensor parts in China (taking more than 70 % of the domestic market). WG Sensor™ started design and R&D in Beijing in 2014 and moved to Henan in 2017. Now WG Sensor™ has a complete chain of design, R&D, production and sales of smoke alarm, gas alarm, air quality monitor and alcohol tester parts & products. Our main products: Smoke Alarm, Household Gas Alarm/Detector, Remote Laser Gas Detector, Portable Gas Detector, Fixed Gas/Flame Alarm/Detector, Breathalyzer / Alcohol Tester. We have 4 fully automatic production lines and 3 semi-automatic production lines, including more than 100 R&D team members, from SMT, injection molding, assembly and world-class fully automatic storage center. We have absolute advantages in core components, efficient producing lines, professional technical team for customized software system development, and complete after-sales service. With more than 25 years of experience in service, WG Sensor™ now supplies sensor products all over the world.