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Gas composition | Test range | Rate respectively | Inspection principle | Note |
Carbon monoxide(CO) | 0-1000PPM | 0.1PPM | Nitrogen oxides | |
Hydrogen sulphide(H2S) | 0-100PPM | 0.01PPM | Nitrogen oxides | |
Oxygen(O2) | 0-30%VOL | 0.01%VOL | Nitrogen oxides | |
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 | Infrared principle |








Detect gas | Composite gases (carbon monoxideCO, hydrogen sulfideH2S, oxygenO2, combustible gas,Ex carbon dioxideCO2, nitrogen oxideNOX), optional: can detect any six gas concentrations and temperature and humidity, up to 8 gases, depending on the sensor and field environment. | ||||||
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 | ||||||
Inspection principle | 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 of 500 ml per minute. | ||||||
Display mode | 2.5 "320*240 hd color screen display, 8 button operation. | ||||||
Detection accuracy | ≤±1%(F.S) | ||||||
Linearity | ≤±1% | ||||||
Repeatability | ≤±1% | ||||||
Alarm mode | Sound-light alarm, vibration alarm, visual alarm, sound-light + vibration + visual alarm, close alarm. | ||||||
Response time | T90≤20S | ||||||
Recovery time | ≤30S | ||||||
Operating power supply | DC3.6V | ||||||





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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