AS-300 Combustion Gas Detector
Category:
AS-300 is a fixed gas detector that can constantly detect the concentration of combustible gases in the ambient air online. Based on the principle of catalytic combustion, the instrument can transmit the real-time gas data detected on site via 4-20mA signal or RS485 signal. It is a standard three-wire system combustible gas detector with the functions such as field LCD display and sensor replacement (plug and play), meeting the application requirements of different industries.
sales@bebur-tech.com
- Product details
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Applications
The industries such as petroleum, chemical, metallurgy, environmental protection,paper-making, municipal, biochemical medicine and water treatment.Type of gas detected
Serial No.
Name
Chemical formula
Standard range
Resolution
01
Combustible gas
EX
0-100%LEL
0.1%LEL
02
Methane
CH4
0-100%LEL
0.1%LEL
03
Ethane
C2H6
0-100%LEL
0.1%LEL
04
Propane
C3H8
0-100%LEL
0.1%LEL
05
Isobutane
C4H10
0-100%LEL
0.1%LEL
06
Cyclohexane
CH2 (CH2) 4CH2
0-100%LEL
0.1%LEL
07
Hydrogen
H2
0-100%LEL
0.1%LEL
08
Acetylene
C2H2
0-100%LEL
0.1%LEL
09
Methanol
CH3OH
0-100%LEL
0.1%LEL
10
Ethanol
C2H5OH
0-100%LEL
0.1%LEL
11
Isopropanol
C3H8O
0-100%LEL
0.1%LEL
12
Ether
C2H5OC2H5
0-100%LEL
0.1%LEL
For more gas types, please contact local sales distributors .
AS-300
Combustible Gas Detector
Features
●Built-in temperature compensation circuit for accurate measurement
● Designed with cover-free style , infrared remote control calibration , operation
●Cast aluminum shell , suitable for various industrial environments
●Easy to install and maintain , sensor replacement on site (plug and play)
● Long service life , low-temperature resistance , strong tolerance to sulfide and silane gas poisoning
●Standard three-wire 4-20mA signal output or RS485 output , compatible with DCS or PLC system
●Field level-2 sound and light alarms , relay output (with the external equipment such as external exhaust connected)
Technical parameters
Principle of detection
Catalytic combustion
Standard configuration
Detector host
Audible-visual warning light
Remote control
Instructions
Accessories installation
Mounting bracket
Rain cover
Gas for detection
Combustible gases (see gas list for details)
Repeatability
≤±3%
T90 reaction time
< 30s
Power supply
24VDC
Power consumption
<2 . 5W
Polarization time
24h
Calibration
Every 4-8 months
Reset
Every 3-6 months
User interface
Infrared remote control
Working temperature
-40 ° C-70 ° C (limit); -20 ° C-50 ° C (typical)
Operating pressure
Standard atmospheric pressure ±10%
Working humidity
0-95%RH (no condensation)
Output signal
Three-wire system 4-20mA , RS485
Display
Field LCD display
Explosion-proof class
Ex db IIC T6 Gb/Ex tb IIIC T80 ° C Db
Protection grade
IP66
Application industry
Environmental Protection Industry
We have developed and launched a series of water quality analyzers, flow meters, liquid level gauges, and gas detectors for applications in municipal drinking water, municipal sewage, industrial wastewater, spa pool disinfection, space disinfection, chemical plant gas leak emission detection, and other fields.
Energy
We have developed and launched a series of water quality analyzers, flow meters, liquid level gauges, and gas detectors for applications in municipal drinking water, municipal sewage, industrial wastewater, spa pool disinfection, space disinfection, chemical plant gas leak emission detection, and other fields.
Food Manufacture & Processing
We have developed and launched a series of water quality analyzers, flow meters, liquid level gauges, and gas detectors for applications in municipal drinking water, municipal sewage, industrial wastewater, spa pool disinfection, space disinfection, chemical plant gas leak emission detection, and other fields.
Chemical Engineering
We have developed and launched a series of water quality analyzers, flow meters, liquid level gauges, and gas detectors for applications in municipal drinking water, municipal sewage, industrial wastewater, spa pool disinfection, space disinfection, chemical plant gas leak emission detection, and other fields.
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