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Gas composition | Test range | Resolution | Inspection principle | Note |
Carbon monoxide(CO) | 0-1000PPM | 0.1PPM | Electrochemical | |
Hydrogen sulphide(H2S) | 0-100PPM | 0.01PPM | Electrochemical | |
Oxygen(O2) | 0-30%VOL | 0.01%VOL | Electrochemical | |
Combustible gas(Ex) | 0-100%LEL | 0.1%LEL | Catalytic combustion | |
Carbon dioxide(CO2) | 0-5000PPM | 1PPM | Infrared principle | |
Nitrogen oxides(NOX) | 0-1000PPM | 0.1PPM | Electrochemical |



Technical parameter list | ||||||||
Detection of gas | Composite gas (carbon monoxide CO, hydrogen sulfide H2S, oxygen O2, combustible gas Ex, carbon dioxide CO2, nitrogen oxide NOX), optional: can detect any 1-6 gas concentration and temperature and humidity, up to 24 or more can be expanded. | |||||||
Detection range | CO(0-1000PPM),H2S(0-100PPM),O2(0-30%VOL),Ex(0-100%LEL),CO2(0-5000PPM),NOX(0-1000PPM),Other ranges can be customized. | |||||||
Resolution | CO(0.1PPM),H2S(0.01PPM),O2(0.01%VOL),Ex(0.1%LEL),CO2(1PPM),NOX(0.1PPM),Higher resolution customizable. | |||||||
Electrochemical, catalytic combustion, infrared, thermal conductivity, PID light ions, depending on gas, range, field environment and user needs. | ||||||||
Detection method | Built-in pump suction type, flow rate 800 ml per minute | |||||||
Display mode | 3.5-inch hd color screen with 320*240 resolution. | |||||||
Detection accuracy | ≤±1%(F.S) | |||||||
Linearity | ≤±1% | |||||||
Repeatability | ≤±1% | |||||||
Uncertainty | ≤±1% | |||||||
Alarm mode | Sound-light alarm, visual alarm, sound-light + visual alarm, off alarm | |||||||
Response time | T90≤20S | |||||||
Recovery time | ≤30S | |||||||
Operating power supply | DC3.6V | |||||||
Sensor life | More than 3 years | |||||||
Use the environment | Temperature: -40 ℃ ~+70 ℃, relative humidity ≤0-99%RH | |||||||
-40 ℃ ~+70 ℃,High temperature sampling and cooling filter handle or high temperature and high humidity pretreatment system are optional, which can detect the concentration of flue gas at 1300 degrees Celsius | ||||||||
Temperature measurement | -40 ℃ ~+120 ℃(optional),precision0.5℃ | |||||||
Humidity measurement | 0-100%RH(optional),precision3%RH | |||||||
Battery capacity | 3.6 VDC,10000 mA Large capacity rechargeable polymer battery with overcharge, overdischarge, overpressure, overheat, short circuit protection | |||||||
Standard capacity of 100,000 pieces of data, optional SD card, usb flash drive storage, unlimited capacity, support the local view, delete or data export, free upper computer communication software, storage function is turned off by default, can be set to open state, storage interval arbitrary Settings | ||||||||
Communication interface | Infrared, USB,RS232 automatic identification | |||||||
printer | Optional, built-in micro printer or external micro wireless infrared printer | |||||||
Explosion-proof type | Intrinsically safe type | |||||||
Explosion proof mark | EXia II CT6 | |||||||
Protection level | IP66,Rain and water splash, dustproof | |||||||
External dimensions | 230*210*120mm(L*H*W) | |||||||
weight | 2.5kg | |||||||
Standard attachments | Specification, qualification certificate, warranty card, USB charger (including data cable), high-grade aluminum alloy instrument case, optical disk (communication software for upper computer), 40cm stainless steel sampling handle (1m hose) | |||||||
Optional accessories | Built-in miniature printer, external mini wireless infrared printer, temperature and humidity measurement function, U disk storage, wireless data communication function, high temperature cool sampling filter handle, high temperature and high humidity pretreatment system, external remote sampling pump, humidity, dust filter, multiple 1.2 M telescopic handle sampling (1 M hose) | |||||||
applications | Petroleum, chemical industry, medicine, environmental protection, flue gas analysis, air treatment, all need to detect and analyze the gas concentration of the occasion | |||||||





1.Q:Can I have a sample order to test quality?
A: Yes, we re commend and welcome sample order to test and check before order.
2. Q: What is the lead time?
A: Sample needs 1-3 days, mass production time needs 7-15 days for order<=5000pcs.
3. Q: Do you have any MOQ limit?
A: We don't have a MOQ limit, 1 pc are also welcome.
4. Q: Do you offer guarantee for the products?
A: Yes, we offer 1 or 2 years guarantee for the products.
5. Q: If I order big quantity, Can I have a cheaper price?
A: We will reduce the price according to the specific quantity and your requirements for the product.
6.Q: How does your I factory do regarding the quality control?
A: Quality is priority, Our factory has passed ISO 9001 with annual audit.Established a procedure to check products at all stages of the manufacturing process-raw materials, in process materials.validated or tested materials, finished goods.etc.
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