As-525 Split Detector for Toxic and Harmful Gas Detector
Category:
AS-525 split toxic gas detector adopts electrochemistry principle technology to detect the concentration of various toxic gases in the ambient air, which can convert the gas concentration monitored on site into standard 4-20mA signal output or RS485 output. It is a standard intelligent three-wire toxic gas detector that is suitable for factory applications such as LCD field display, and sensor replacement (plug and play) . It meets the requirements of industrial site safety monitoring for equipment reliability and diversification of gas measured.
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- 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
Highest range
01
Ammonia
NH3
0-100PPM
0-5000PPM
02
Carbon monoxide
CO
0-200PPM
0-1000PPM
03
Sulfur dioxide
SO2
0-100PPM
0-40000PPM
04
Ozone
O3
0-5/50PPM
0-30000PPM
05
Ethylene
C2H4
0-100PPM
0-1500PPM
06
Formaldehyde
CH2O
0-10PPM
0-1000PPM
07
Ethylene oxide
ETO
0-100PPM
0-5000PPM
08
Vinyl chloride
C2H3CI
0-100PPM
0-2000PPM
09
Chlorine
CL2
0-20PPM
0-5000PPM
10
Hydrogen peroxide
H2O2
0-500PPM
0-2000PPM
11
Hydrogen sulfide
H2S
0-100PPM
0-5000PPM
12
Hydrogen chloride
HCI
0-100PPM
0-1000PPM
13
Hydrogen cyanide
HCN
0-100PPM
0-2000PPM
14
Nitric oxide
NO
0-100PPM
0-2000PPM
15
Nitrogen dioxide
NO2
0-20PPM
0-1000PPM
16
Phosphine
PH3
0-200PPM
0-4000PPM
17
Monosilane
SiH4
0-20PPM
0-200PPM
18
Hydrogen
H2
0-1000PPM
0-2000PPM
19
Oxygen
O2
0-25%VOL
0-30%VOL
20
Chlorine dioxide
CLO2
0-20PPM
0-200PPM
21
Carbon disulfide
CS2
0-100PPM
0-100PPM
22
Hydrogen fluoride
HF
0-10PPM
0-10PPM
23
Alcohols
ALC
0-100PPM
0-100PPM
24
Acid gas
Acid
0-100PPM
0-100PPM
25
Fluorine
F2
0-1PPM
0-1PPM
26
Methyl mercaptan
CH4S
0-10PPM
0-14PPM
27
Hydrazine
N2H4
0-1PPM
0-1PPM
28
Acrylonitrile
C3H3N
0-20PPM
0-100PPM
For more gas types, please contact local sales distributors .
AS-525
Split Detector for Toxic and Harmful Gases
Features
●Designed with split structure , with diversified application scenarios
●Long service life , low-temperature resistance , strong tolerance to sulfide and silane gas poisoning
●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)
●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
Electrochemistry
Standard configuration
Detector host
Remote control
Instructions
Optional configuration
Audible-visual warning light
Accessories installation
Mounting bracket
Rain coverGas for detection
Toxic and harmful gases(see gas list for details)
Repeatability
≤±2%
Polarization time
6hours
T90 reaction time
<60s
Self-diagnosis time
2 times/s
Calibration
Every 4-8 months
Reset
Every 3-6 months
User interface
Infrared remote control
Working temperature
-40℃-70℃(limit);-20℃-50℃(typical)
Operating pressure
Standard atmospheric pressure±10%
Working humidity
0-95%RH(no condensation)
Output signal
4-20mA,RS485
Connection
Analog three-wire system
Display
Displayed by LCD backlight,
gas concentration,alarm displayExplosion-proofclass
ExdIIC T6 Gb
Protection grade
IP66
Application industry
Environmental Protection Industry
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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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sales@bebur-tech.com
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( Factory&After sales Service)
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