multi gas detector 4 gas H2S CH4 CO O2 analyzer
Detection gas:H2S CH4 CO O2
Range:H2S：0-100ppm/CH4:0-100%LEL/CO:0-1000ppm/O2；0-30%VOL/custom
Detection Principle:Catalytic combustion / Electrochemical / Infrared
Resolution:H2S：0.1ppm/CH4:0.1%LEL/CO:1ppm/O2；0.01%VOL/custom
Detection Accuracy:±2%F.S
Model:SK/MIC-800
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Product Description
Portable Gas Detector Parameter Table
|
Measure gas |
H2S CH4 CO O2 |
Detection principle |
IR / Catalytic Combustion/ Electrochemistry/PID/custom |
|
range |
H2S：0-100ppm CH4:0-100%LEL CO:0-1000ppm O2；0-30%VOL/custom |
Resolution |
H2S：0.1ppm CH4：0.1%LEL CO：1ppm O2：0.01%VOL |
|
Sampling accuracy |
±2%F.S |
Response time |
T90<10S |
|
Working temperature |
-20 ～ 50℃ |
Working humidity |
0-95%RH |
|
Screen size |
3.5-inch LCD |
Charging interface |
5VDC |
|
Battery capacity |
5400mA |
Working air pressure |
86kpa-106kpa |
|
Working voltage |
DC5V±1%/DC24±1% |
Output method |
USB |
|
Sampling method |
Pump suction |
Warranty period |
1years |
|
External dimensions |
230×95×65mm |
Sensor service life |
1-3years |
|
Protection grade |
IP65 |
Explosion-proof grade |
Ex ib ll CT4 Gb |
|
Data storage |
100,000 entries |
Alarm record |
1000 items |
|
Alarm Settings |
The standard configuration is two-level alarm, and the alarm mode can be set: high and low alarm |
||
|
Calibration method |
Primary calibration, secondary calibration, and tertiary calibration |
||
|
Optional accessories |
High-temperature sampling handle (Customized sampling handles of different temperatures according to the detection temperature) |
||
Product features of Portable Multi Gas concentration detector
● Utilizes imported sensors and a 32-bit high-performance processor, coupled with high-speed, high-precision processing circuitry, to achieve rapid and accurate detection.
● Equipped with a USB interface, supporting easy data export and deletion via a computer connection.
● Capable of simultaneously detecting 1 to 6 types of gases.
● Multi-functional configuration options.
● Supports coefficient adjustment, enabling free switching between common units such as ppm and mg/m³.
● Stores historical data and alarm records.
Product advantages
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Precautions for Use
● When charging the detector, please do so in a safe place and use a 5V 2A or higher charger that complies with safety regulations
● When using the detector for the first time, please fully charge the battery before use
● This detector is of pump suction type. Please do not block the air inlet and outlet of the detector to avoid clogging of the internal air pump. If the air pump fails to start after a blockage occurs, it should be shut down quickly and then restarted.
● If you need to test for a long time, please fully charge the battery first. When the battery power drops to 0%, a countdown and automatic shutdown interface will appear. You can force it to turn on, and it will automatically shut down again after 5 minutes.
● When in daily use, do not impact the detector with gas exceeding the measurement range to avoid irreversible damage.
● Do not use in harsh environments such as high temperature, high pressure or high humidity. If the humidity of the usage environment is high, filter and dehumidify before conducting the test.
● The detector should be prevented from falling from a height or being subjected to violent vibration.
● If the sensor malfunctions, please contact the after-sales service of the manufacturer.
● Under normal use, the effective service life of the sensor of the detector is 24 to 36 months. During the valid service life, the sensor should be calibrated and inspected regularly every six months or once a year (depending on the working environment) to ensure the accuracy and effectiveness of gas monitoring. Sensors that have exceeded their valid service life or are faulty must be replaced.
Main application scenarios
Petroleum, Natural Gas, and Petrochemical Industry:
Scenarios: Drilling platforms, refineries, chemical plants, pump stations, internal maintenance of oil tanks/storage tanks, pipeline inspection and maintenance, underground operations at gas stations.
Corresponding Gases: H2S (associated gas from crude oil), CH4 (main component of natural gas, flammable), O2 (monitoring for oxygen deficiency in confined spaces).
Utilities and Municipal Operations:
Scenarios: Maintenance and cleaning of sewers, wastewater wells, septic tanks, biogas digesters; water treatment plants; gas pipeline maintenance.
Corresponding Gases: H2S (produced by sewage fermentation), CH4 (biogas), CO (incomplete combustion), O2 (prone to oxygen deficiency).
Firefighting and Emergency Rescue:
Scenarios: Entering fire scenes, underground space rescues, hazardous chemical leakage incidents.
Corresponding Gases: CO (main lethal gas after fires), O2 (assessing survivable environment), CH4 (assessing explosion risks from flammable gases), other volatile organic compounds (typically detected with flammable gas sensors as supplementary).
Confined Space Operations (involved in almost all industries):
Scenarios: Pre-entry detection and continuous monitoring during operations in ship cabins, underground tunnels, reaction vessels, storage silos, grain silos, fermentation tanks, basements, etc.
Corresponding Gases: O2 (primary detection to prevent asphyxiation), CO (may be produced by internal equipment), H2S (produced by decaying matter), CH4 (biogas or leaks).
Manufacturing and Heavy Industry:
Scenarios: Steel plants, foundries (prone to CO production), coal mining (CH4 gas, CO), food processing plants (insufficient O2 in cold storage, H2S from fermentation), semiconductor manufacturing.
Corresponding Gases: Selected based on risk points of different processes.
Public Facility Installation and Maintenance:
Scenarios: Boiler rooms, heating systems, ventilation monitoring in underground garages, exhaust monitoring in parking lots.
Corresponding Gases: CO (incomplete combustion of fuels), O2 (consumed by combustion), CH4 (gas leaks).
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