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GTQ-BS Series Combustible Gas Detector
Explosion-proof fixed gas detector series for industrial and commercial combustible or toxic gas monitoring projects.
Gas Detection
Product selection can be reviewed by installation environment, gas type and target-market requirements.
Product Overview
The GTQ-BS series monitors gas around fixed industrial and commercial risk points. BS01 provides status indicators and one dry-contact relay; BS02 adds an LED display and two dry-contact relays; BS03 uses an LCD with two dry-contact relays and one active output. Select the display and output arrangement for local inspection and alarm linkage, then specify the target gas and compatible controller. Gas options are configuration-specific, not simultaneous measurements on every detector. Certification coverage and installation requirements must be checked for the selected model and target market.
Product category
Gas Detection
Petrochemical plants, city gas stations, regulating stations, metallurgy, power, utilities, storage areas and integrated utility corridors.
BS01 status indicators, BS02 LED display and BS03 LCD display
Sensing options selected for the target gas and confirmed model
4-20mA or bus configurations for compatible controller inputs
Designed for alarm linkage and monitoring platform workflows
Application Fit & Installation Boundary
Select products for the installation environment, gas type and system role.
Application fit
GTQ-BS series detectors fit fixed industrial or commercial locations where combustible gas, selected toxic gas or oxygen monitoring is required. Select the sensor configuration for the target gas and site conditions.
Installation context
Install the detector near valves, flanges, compressors, storage areas or other potential leak points after site assessment. This is a fixed environmental gas detector, not a portable instrument; confirm the mounting arrangement for the selected model.
Selection boundary
The detector monitors surrounding gas and is not inserted into the gas main. Gas type, output, certification and installation zone should be confirmed by model and project requirements.
Typical Applications
Common gas safety scenarios where this product category can support monitoring, alarm verification or response workflows.
Petrochemical and chemical plant gas detection
City gas station and regulating station leak monitoring
Industrial utility, metallurgy and power safety projects
Storage, transfer and integrated utility corridor gas monitoring
Related Solutions
Product selection is usually part of a wider gas safety project path. These solution pages show how devices, platform records and response workflows connect.
Industrial Gas Detection Solution
Link fixed gas monitoring, compatible alarm control and portable inspection to a defined response workflow at industrial plants and utility stations.
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Methane Leak Detection & LDAR Data Management
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View SolutionProduct Selection Notes
Specifications to be confirmed by product model and target market.
| BS01 configuration | Combustible gas; status indicators; 1 dry-contact relay. |
|---|---|
| BS02 configuration | Catalytic combustible gas or electrochemical toxic gas / oxygen detection by sensor configuration; LED display; 2 dry-contact relays. |
| BS03 configuration | LCD; 2 dry-contact relays and 1 active output. Combustible gas, toxic gas, O2, VOC, CO2 or refrigerant detection requires the corresponding sensor configuration. |
| Sampling | Natural diffusion. |
| BS02 / BS03 local operation | IR05 infrared remote control; connection to a compatible external digital audible-visual alarm. Confirm the alarm accessory and wiring for the ordered detector. |
| Power supply / consumption | DC24V +/-6V; <=3.0W. |
| Output / connection | 4-20mA or PBUS, as specified for the selected configuration. Confirm bus protocol and controller compatibility before ordering. |
| Additional sensor / interface options | Series configurations include catalytic, electrochemical, infrared, laser, PID or semiconductor sensing and optional HART. Availability depends on the specific BS model and target gas; these options are not included in every detector. |
| Housing / weight | Aluminum alloy, approximately 1.2 kg; optional stainless steel, approximately 4.5 kg. Confirm the ordered enclosure and accessories. |
| Operating temperature | BS01: -40 to +70°C. BS02/BS03: -40 to +70°C for LEL configurations; -20 to +50°C for toxic gas configurations. Confirm conditions for other sensor options. |
| Humidity / protection | <=95% RH, non-condensing; IP66 / IP67. |
| Dimensions | BS01/BS02: 130 x 154 x 83 mm. BS03: 130 x 154 x 95 mm. |
| Cable entry | NPT3/4. Select the cable gland for the installation and approved configuration. |
| Installation | Fixed field installation near potential leak points; not direct main-pipeline insertion. |
| Certification | Certification availability varies by product and target market. Contact us for confirmed specifications. |
How It Fits Into a Project
A product category can be selected as part of a field-to-platform safety workflow instead of as an isolated device purchase.
1GTQ-BS field detector
2Signal output
3Gas detection controller / PLC
4Alarm linkage
5Monitoring record
Why Hanwei
Hanwei Smart Gas can support product selection within wider gas safety monitoring and local partner cooperation discussions.
Detector, controller and linkage devices can be discussed as one site safety package.
The product line supports multiple industrial and commercial gas monitoring scenarios.
Project configuration can be aligned with gas type, output method and target market requirements.
Related Products
Adjacent product categories for combined gas safety projects.
Solution Mapping
Associated solution paths for buyer evaluation and pilot planning.
Related Knowledge
Read related technical guides and application insights.
Certification availability varies by product and target market. Contact us for confirmed specifications.
FAQ
Common questions for early product selection and project discussion.
How do I choose between BS01, BS02 and BS03?
Choose BS01 for status indication, BS02 for an LED concentration display, or BS03 for an LCD and an additional active output. Check the required gas sensor, relay arrangement and controller input together; the display alone does not determine gas coverage.
Can every BS detector measure all the listed gases?
No. Gas coverage depends on the model and fitted sensor. Provide the target gas and measurement requirement so the appropriate configuration can be selected.
What should be checked before connecting a controller?
Match the detector's 4-20mA or bus configuration with the controller input. Confirm the bus protocol, power budget, wiring and relay loads; physical connection alone does not establish compatibility.
Are certifications available?
Certification availability varies by product and target market. Contact us for confirmed specifications.
Product Inquiry
Discuss product selection, pilot scope and target-market requirements with Hanwei Smart Gas.
Discuss Product Selection
Share the application scenario, target gas, installation environment and expected integration method so the appropriate product direction can be reviewed.