Specify fixed gas monitoring around the target gas and control interface at each point.
Choose the gas and range required at the installation location.
The display and configurable alarm levels make readings visible at the detector.
Confirm the output and power option compatible with the existing system.
Outputs, power modes and approvals depend on the selected GTYQ-TCB6 configuration.
The TCB6 series fixed gas detection alarm is a cutting-edge instrument developed by our company. Featuring high-performance gas sensors and microcontroller technology, it combines advanced SMD manufacturing techniques to deliver exceptional repeatability, precise temperature and humidity control, extended service life, and user-friendly operation. This product is designed for gas concentration and leakage detection.
The detector converts air gas concentration signals into digital displays, supporting three output methods: 4-20 mA current signal, RS485 four-wire bus, or M-BUS two-wire bus. It features long transmission distance and excellent interference resistance. The detector is designed for gas safety monitoring and alarm control in environments containing flammable gases, including gas pipelines, municipal utility tunnels, research institutions, hospitals, and schools. It is suitable for hazardous areas with explosive flammable gases (Class II A to II C) and temperature groups from T1 to T6.
| Applicable gas | combustible, toxic hazardous gas, O₂ etc. |
| Sampling method | natural diffusion sampling |
| Detection principle | catalytic bead, electrochemical, infrared, laser, semiconductor etc. |
| Measuring range | 0~100%LEL (combustible); 0~100ppm (toxic), (according to gas type) |
| Low alarm setpoint | 20%LEL (combustible gas) |
| High alarm setpoint | 50%LEL (combustible gas) |
| Display method | LED digital display |
| Accuracy | ±3%FS (combustible), (according to gas type) |
| Operating voltage | DC24V/DC36V/AC220V±15% (subject to order specification and nameplate) |
| Relative humidity | 20~93%RH, non-condensing |
| Ambient temperature | -40℃~+70℃(Ex); -25℃~+55℃ (toxic) |
| Power consumption | ≤3W |
| Ambient pressure | 86~106kPa |
| Response time T₉₀ | ≤30s (combustible) |
| Ex certificate No. | CE21.0719X |
| Ex mark | Ex db IIC T6 Gb / Ex tb IIIC T80℃ Db |
| Protection grade | IP66 |
| Connection cable | RVVP 3×1.5mm²; RVVP 4×1.5mm²; RVVP 2×1.5mm² |
| Transmission distance | ≤1000m |
| Product weight | ≤1000g |
| Product dimension | 168×155×65 mm |
Tell us the target gas and range, location, power, controller input and quantity.
