GTQ-BS03

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

Measuring gas	Combustible gas, toxic gas, O2, VOC, CO2, Freon
Sample method	Diffuse naturally
Power	DC24V±6V, ≤3.0W
Response time	LEL: T90≤15s Toxic gas: T90≤30s VOC/CO2/Freon≤15S
Electrical output	4-20mA or PBUS
Relays	2 free contact, 1 active relay
Operation by	IR remote control

Parameter Download

Inquiry Send Email

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

Specification

Measuring gas	Combustible gas, toxic gas, O2, VOC, CO2, Freon
Sample method	Diffuse naturally
Power	DC24V±6V, ≤3.0W
Response time	LEL: T90≤15s Toxic gas: T90≤30s VOC/CO2/Freon≤15S
Electrical output	4-20mA or PBUS
Relays	2 free contact, 1 active relay
Operation by	IR remote control
State indication	Yellow--Fault, Red--Alarm, Green--Power
Operating temperature	LEL: -40～70℃ Toxic: -20～50℃
Humidity	≤95%RH (no condensation)
Ambient pressure	86KPa～106KPa
Ex grade	II 2 G Ex db IIC T6/T5 Gb II 2 D Ex tb IIIC T80℃/T95℃ Db
Ingress protection	IP66/67
Enclosure material	Aluminum alloy (optional stainless steel)
Cable entry	NPT3/4
Dimensions	130mm x 154mm x 95mm
Weight	About 1.2kg (4.5kg for stainless steel)