① S-BUS bus communication, convenient for system design and expansion
② 4-20mA (Hart) branching system communication, integrated total and branch lines, convenient for construction and inventory
③ Sensor modular design, reduces usage and maintenance costs
④ Infrared remote control, field operation without opening the cover
⑤ LCD display, three-color backlight, real-time display of gas concentration and equipment status
⑥ Built-in linkage control output, can control field audible and visual alarms or fans/valves
⑦ Dual-wire structure, easy for field installation
⑧ Built-in temperature detection function, ensuring accurate and effective detection in various temperature environments
Industrial and commercial point-type combustible gas detector GTYQ-SD2120
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Product Parameters |
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Project |
Data |
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Detection of gas |
Methane/Propane/Other Gases |
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Detection principle |
Catalytic Combustion/Infrared/Electrochemical/Semiconductor/PID |
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Sampling mode |
diffusion type |
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Measurement range |
(3~100)%LEL or others |
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Alarm set value |
Low limit 25% LEL; High limit 50% LEL (combustible gas factory default) |
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Alarm error |
± 3% F.S |
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Response time |
Combustible gas ≤ 30S(T90); toxic gas ≤ 60S(T90) |
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Protection level |
IP66 |
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Explosion-proof grade |
Exd IIC T6Gb |
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Communication mode |
S-BUS Bus & 4-20mA Branch Line |
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Sensor service life |
3 years (typical) |
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Usage environment |
Temperature:-40 ℃ ~ +70 ℃; relative humidity ≤ 93% RH; pressure 86 kPa ~ 106 kPa |
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Linkage output |
2-way passive switch signal, contact capacity 1A/AC220V or 1A/DC24V |
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Adapter controller |
SD8001A/B, SD8003/F, SD8006, SD8052 |
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Product Weight |
2050g |
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Product size |
201x178x101mm |
