Petrochemical Sector Ex Multi- Combustion Gas Detector Relay Output
1. Product Overview
This industrial/commercial point - type combustible gas detector,
built for industrial scenarios, is an explosion - proof safety
monitor. It integrates concentration display, audible - visual
alarm, and ambient temperature monitoring.Using a catalytic
combustion sensor and natural diffusion, it detects gas levels with
high sensitivity and repeatability, quickly catching small leaks.
An industrial LCD screen shows real - time concentration and
temperature. When thresholds are hit, it triggers alarms, sends
control signals for exhaust systems, enabling automated “monitor -
alarm - respond” to secure on - site safety.
Supporting RS485, it connects seamlessly to the CL - M201
controller for real - time data/status upload, allowing centralized
management of multiple detectors. Paired with M201, PowerBus two -
wire tech simplifies wiring, cuts costs, and boosts stability—ideal
for large industrial setups.Based on embedded micro - control, it’s
easy to use, feature - rich, and reliable. Its explosion - proof
design handles harsh conditions (high temp, humidity, dust). Plug -
and - play installation lowers maintenance barriers, delivering
solid gas monitoring for industrial/commercial sites.
2. Product Features
(1) Low detection limit, enabling quick capture of minor leaks.
(2) Anti-electromagnetic interference and chemical corrosion
resistance to prevent false or missed alarms.
(3) Long-term calibration stability of the catalytic combustion
sensor.
(4) Advanced algorithms to filter false alarms caused by
environmental interference.
(5) IP66 protection rating, suitable for harsh working conditions.
(6) Self-diagnosis and fault prompting functions to reduce daily
maintenance costs.
3. Application
(1) Oil refineries, chemical zones, power plants.
(2) Gas pressure regulating stations, biogas sites.
(3) LPG stations, gas distribution stations, fuel filling stations.
(4) Industrial/civil sites with flammable gas/liquid vapor leakage
risks.
(5) Wine/petroleum product storage warehouses.
4.Main Technical Data
| Operating voltage | DC 24V |
| Operating current | ≤50mA / DC 24V |
| Alarm current | ≤65mA / DC 24V |
| Detection principle | Catalytic Combustion Type |
| Detection range | 3~100%LEL |
| Resolution | 0.1%LEL |
| Measurement error | Range indication deviation: ±5%LEL |
| Sampling method | Natural diffusion |
| Ambient temperature | -40℃~+70℃ |
| Ambient humidity | ≤95% RH without condensation |
| Response time | ≤20s |
| Protection level | IP66 |
| Output mode | RS485 bus, POWERBUS bus,
Relay passive contacts |
| Relay contact capacity | 0.5A/AC 125V 1A/DC 24V |
| Material | Cast aluminum (stainless steel optional) |
| Implementation standard | GB15322.1-2019 |
| Dimensions | L:201mm × W:162mm × H:50mm (L:7.91in×W:6.38in×H:1.97in) |
| Weight | 1.2kg(2.645lbs) |
| Color | Metallic silver |
| Cable outlet thread | Standard: 2 pieces of G3/4 |
| Explosion-proof mark | Ex db ⅡC T6 Gb/ Ex tb ⅢC T80℃ Db |
| Sensor service life | 2 years |
| Alarm set value | Low limit: 25%LEL, High limit: 50%LEL |
5.Indicator Lights
| Status | Indicator light |
| Operation Indicator Light (Green) | Flashes at 0.5S intervals |
| Alarm Confirmation Indicator Light (Red) | Flashes for 0.5S when low-limit alarm is triggered, and stays on
when high-limit alarm is triggered. |
| Fault Indicator Light (Blue) | Stays on |
6.Complete Product Set
| Name | Quantities | Unit of measure |
GTYQ-JSY-201
Point-type combustible gas detectors for industrial and commercial
applications | 1 | piece |
| Instruction Manual | 1 | portion |
| Explosion-proof Certificate | 1 | portion |
| Connecting bolt M6x30 | 2 | piece |
| Mounting Bracket | 1 | piece |
| Remote control | 1 | unit/batch |
