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Product Description
QBN-09 Type Gas Transmitter
Product Introduction:
The QBN-09 Gas Sensor is mainly used for the detection of flammable gases, hydrogen sulfide, oxygen, and other combustible or toxic gases. The product features stable reliability and easy installation. It is suitable for various ships, oil platforms, and other industrial applications for the detection and alarm of flammable and toxic gases.
Main Technical Specification:
| Detecting gas | Range | Type of sensor | Accuracy | Min.reading | Explosion | Response time |
| Flammable gas(CH₄) | 0-100% LEL | catalytic conbustion/infrared type | ≤±5%F.S | 1% LEL | Ex dia II CT 4Gb Exd II CT 6Gb | ≤30S |
| Oxygen( 0₂) | 0-30% VOL | Electrochemistry | ≤±5%F.S | 0.1% VOL | Ex ia II CT 6Ga | |
| Hydrogen sulfide(H₂S) | 0-100ppm | Electrochemistry | ≤±5%F.S | 1 ppm | Ex ia II CT 4Ga |
| Repeatability | ≤ 2% F.S |
| Operating temperature | -20 ～ 70℃ |
| Ambient humidity | ≤ 90% |
| Detecting type | diffusion type |
| Operating type | fixed type long continuous operating |
| Working voltage | DC 24V |
| Output signal | three wires 4~20mA / RS485 |
| Outline | cast aluminum case body |
| Outline size | 183×143×107mm（indication type）; 183×143×93mm（No indication type） |
| Mounting type | wall mounting, pipeline mounting |
| Ex. mark | Ex d Ⅱ CT6 Ex ia Ⅱ CT4 |
| Protection | IP66 |
Drawing:
