1. Brief introduction
Fixed multi gas detectors are essential instruments used to monitor the air quality in various industries. The Gas detection systems provide early warning signals to workers in case hazardous gas concentrations breach safe levels.
This device can detect gas concentration and send a signal to the controller, which can process the data and determine the gas concentration and alarm status. The display screen can show the real-time concentration data and alarm status, and provide visual and audible alarm signals. The fixed four-in-one gas detector can be powered by AC or DC, and it can be connected to a central control system or remote monitoring system.
The fixed multi gas detector has a durable construction that can withstand harsh working conditions, extreme temperatures, and humidity. This feature guarantees that the device can provide reliable and accurate gas readings for a long time without needing frequent repair or replacement. The device is designed with user-friendly features. It has a user-friendly interface that displays gas readings and alarm signals in real-time. It also has a self-testing function that allows users to test the device's operation without requiring professional assistance.
2. Features:
(1). Four-in-one detection: This fixed multi gas detector can monitor the concentration of four gases simultaneously, and display the results on a large screen in real time.
(2). High accuracy: It adopts imported sensors with high precision and sensitivity, which can accurately detect the concentration of harmful gases in the air.
(3). Easy operation: The device can be installed and used easily. It is easy to operate with a simple menu and clear instructions.
(4). Durable: The device has high reliability and durability, even in harsh environments.
(5). Alarm function: When the concentration of gas exceeds the alarm value, the detector will sound an alarm, flash and indicate the type of gas and concentration value.
3. Technical parameters
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Product Name: |
Fixed multi gas detector |
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Product Size: |
144*190*74mm |
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Product weight: |
1130g |
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Detect Gas: |
CH4,H2S,O2,CO |
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Measure range: |
CH4:0-100%LEL,H2S:0-200PPM,O2:0-30%VOL,CO:0-1000PPM |
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Resolution: |
1ppm |
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Response time: |
≤30s |
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Working pattern: |
Continuous work |
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Working voltage: |
DC24V |
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Output signal: |
RS485 |
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Options function: |
With audible & visual alarm need $15/pc |
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Connection: |
4 wire |
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Transmission cables: |
Adopts shielded cable 4*1.5mm2 |
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Features: |
With relay output signal |
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Temperature range: |
- 20 ℃ ~ 50 ℃ |
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Humidity |
15%-90%(RH) |
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Certificate: |
CE,ATEX,ISO9001 |
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Explosion-proof marks: |
Exd II CT6 |
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IP class: |
IP65 |
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Transmission distance: |
<1000 m |



4. Application
(1).Chemical plants: Fixed Four-in-One Gas Detector is an essential safety equipment for chemical plants. It can monitor the concentration of hazardous gases such as carbon monoxide, hydrogen sulfide and combustible gases in the production process, which can effectively prevent safety accidents.
(2)Refineries: In refineries, the device can monitor the concentration of harmful gases generated by crude oil processing, and provide safety guarantees for workers.
(3)Industrial plants: The detector can be used in various industrial plants to monitor the concentration of toxic and harmful gases in the working environment to ensure safety.
5. Maintenance
1) Clean the sensor regularly to remove dust, dirt, and other contaminants that may affect the sensitivity and accuracy of the sensor.
2) Calibrate the sensor periodically to ensure the accuracy and reliability of gas detection. The calibration should be performed according to the manufacturer's instructions and using the certified gas.
3) Test the alarm function regularly to ensure that the detector can issue alarms promptly and correctly. The test can be performed by using the test gas or by simulating a gas leak.
4) Check the power supply and wiring regularly to ensure that the detector can work properly. The power supply and wiring should be free of damage, corrosion, or loose connections.
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