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HK-7200A Toxic Gas Alarm (Low Temperature Type)
HK-7200A Toxic Gas Alarm (Low Temperature Type)
Product details
HK-7200A Toxic Gas Alarm (Low Temperature Type)It is an instrument independently developed and produced by Beijing Huakeyi Technology Co., Ltd. for monitoring the concentration of toxic gases in the on-site environment in the control room. It can be widely used in fields such as petrochemicals, oil and gas storage and transportation, chemical industry, oil depots, liquefied gas stations, gas boiler rooms, etc. where toxic gases exist.
Advanced 32-bit embedded microcontroller technology, data processing is extremely fast;
◆ It can be powered by a centralized bus or an independent area, making the selection more convenient;
◆ Wide temperature and high brightness OLED display, easy to read in direct sunlight and dark environments, suitable for harsh temperature and lighting conditions;
◆ Bilingual menu in Chinese and English, user-friendly interface;
Unique magnetic pen and infrared remote control operation method (infrared remote control is an optional accessory), convenient for users to operate;
Advanced SMT surface mount technology reduces the size of the product and improves its reliability.
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display |
OLEDBilingual display in Chinese and English,And there are first, second, and fault alarm indicator lights |
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Gas detection |
Toxic gas |
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Sampling method |
Natural diffusion |
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resolving power |
1%FS |
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Response time（T90） |
Depending on the sensor |
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ambient temperature |
（-40~50）℃ |
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signal transmission |
（4~20）mA， （4~20）mA+RS485Bus optional |
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working voltage |
DC（18~30）V(Controller bus power supply or independent area power supply) |
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Connection method |
Three wire or four wire system |
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power |
≤5 W |
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Protection level |
IP66 |
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Operation method |
Magnetic pen, infrared remote control |
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measuring principle |
electrochemistry |
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measuring range |
Depending on gas and user requirements |
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measurement error |
±3%FS |
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Alarm concentration |
Two level alarm and fault relay, the concentration of the first and second level alarms can be set by oneself |
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atmospheric pressure |
(86～106)kPa |
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transmission distance |
(4～20)mA：≤1000m（2.5mm2） |
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RS485Bus: ≤1200m（2.5mm2） |
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Explosion proof mark |
Exd II CT6Gb |
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Execution standards |
GB12358-2006 |
Optional selection
●Sound and light alarm
●Infrared remote control
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