NKYF-DB40(B)
1 Year
3 Years
Nkyf
Non-Customized
Portable
FCC, CE, RoHS
Portable Multi Gas Detector
≥8 Hours Continuously
Light/Sound
Pump Suction
Combustible Gases, Toxic Gases
Portable Multi 4 Gas Detector
OEM, ODM
20ºC-50ºC
Carbon Monoxide Alarm Gas Analyzer Biogas
17.5*7.6*5.7
<95% Rh Non-Condensing
DC3.7V Lithium Battery, 2000mAh
NKYF
Single-Piece Supporting Professional
25*17*10
Ningxia, China
Product Description
*We support sample orders to check product quality
*We also have wholesale prices, buy more, save more
*Each gas detector could be customized monitoring gas (over 200 types) by changing sensors
*Each gas detector could be customized the enclosures colors
*Each gas detector could be customized monitoring gas (over 200 types) by changing sensors
*Each gas detector could be customized the enclosures colors

This pump suction gas detector is a multi-in-one gas detector. It can continuously detect combustible, oxygen, carbon monoxide, hydrogen sulfide and other toxic gases in ambient air, and detect up to 5 gases at the same time. This instrument is waterproof design and combine with rubber shell, to meet the harsh requirements of harsh environment.
Multi gas detector with atex certificate. This gas detector uses pump-suction mode for detecting, and high quality gas sensors are used for sensitive components, which has excellent sensitivity and repeatability. The instrument is controlled by embedded micro-computer. It has simple operation, complete functions, high reliability, multiple adaptive abilities, and is intuitive and clear with graphic and text liquid crystal display.
Product Size | 17.5*7.6*5.7cm |
Packing size | 29.1*20.2*85.6cm |
Battery | DC3.7V lithium battery, 2000mAh |
Precision | ≤± 2%FS |
Working environment | temperature: -20-50 |
Detection principle | pump suction |
Protection class | IP65 |
Sensor Type | Catalytic, Electrochemical, PID, Infrared |
Measurement range | CO2:0-5000PPMCO:0-1000ppm; H2S:0-100PPM; O2:0-30%VOL |
Measurable gas | EX combustible gases, toxic gases or other gases as customer requirments |
Applications | Chemical plants, mines, oil refineries, pharmaceutical plants, metallurgical plants, gas stations, liquefied gas stations, brewing, hotel kitchens |
Feature | LED/LCD display + infrared sound and light alarm function; explosion-proof, anti-corrosion, dust-proof; remote control operation. lithium battery |
Can detect 1-4 kinds of gases at the same time, any combination of sensors
With data storage function, it can store 5000 pieces of data
Intrinsically safe circuit design, anti-static and electromagnetic interference
Built-in high-power carbon film self-priming pump, fast response
Freely adjust the setting time and alarm function

Dustproof, explosion-proof and waterproof design

1)2.4 inch high definition full-color view IPS industrial screen
2)Technical indicators and gas concentration values display
3)Shell adopts high IP encapsulation technology
3)Shell adopts high IP encapsulation technology
4)Can detect 1-4 gases at the same time, sensors can be assembled as requested
5)5-gas detector can be customized
5)5-gas detector can be customized
6)Data storage function and can store 5000 pieces of data.
7)Dust-proof, explosion-proof and waterproof design
8)Intrinsically safe circuit design, anti static and electromagnetic interference
9)Built-in high-power carbon film self-priming pump, quick response time
10)Setting time and alarm function can be adjusted freely



Measured gas | Measuring range | Selectable range | Resolution |
Combustible Ex | 0-100%LEL | 0-100%VOL | 1%LEL/1%VOL |
Oxygen O2 | 0-30%VOL | 0-30%0-100%VOL | 0.1%VOL |
Hydrogen Sulfide H2S | 0-100PPM | 0-502001000PPM | 0.1/1PPM |
carbon monoxide CO | 0-1000PPM | 0-500/2000/5000PPM | 0.1/1PPM |
nitrogen dioxide NO2 | 0-20PPM | 0-501000PPM | 0.1/1PPM |
natural gas | 0-100%LEL | 0-100%LEL | 1%LEL |
Nitrogen oxides | 0-20PPM | 0-501000PPM | 0.1/1PPM |
Methane CH4 | 0-100%LEL | 0-100%LEL | 1%LEL/1%VOL |
carbon dioxide CO2 | 0-5000PPM | 0-1%5%10%VOL | 1PPM/0.01%VOL |
Nitric oxide NO | 0-250PPM | 0-5001000PPM | 1PPM |
nitrogen N2 | 0-100%LEL | 0-100%VOL | 1%VOL |
Alcohol | 0-100%LEL | 0-100%LEL | 1%LEL/1%VOL |
Sulphur dioxide SO2 | 0-20PPM | 0-501000PPM | 0.1/1PPM |
Chlorine CL2 | 0-20PPM | 0-10100PPM | 0.1PPM |
Dichlorosilane | 0-20PPM | 0-20100PPM | 1PPM/0.1PPM |
Ammonia NH3 | 0-100PPM | 0-505001000PPM | 0.1/1PPM |
Silicon tetrachloride | 0-20PPM | 0-20100PPM | 1PPM/0.1PPM |
Hydrogen H2 | 0-100%LEL | 0-1000PPM | 1%LEL/1PPM |
Phosphine PH3 | 0-20PPM | 0-200-100PPM | 0.01/0.1PPM |
Hydrogen chloride HCl | 0-20PPM | 0-2050100PPM | 0.01/0.1PPM |
Acrylonitrile | 0-100PPM | 0-100PPM | 1PPM/0.1PPM |
TVOC | 0-100PPM | 0-100PPM | 1PPM/0.1PPM |
CLO2 | 0-50PPM | 0-10100PPM | 0.1PPM |
Hydrogen cyanide HCN | 0-50PPM | 0-100PPM | 0.1/0.01PPM |
Ethylene oxide ETO | 0-10PPM | 0-100PPM | 1PPM/0.1PPM |
Ozone O3 | 0-10PPM | 0-20100PPM | 0.011PPM/0.1PPM |
Formaldehyde CH2O | 0-20PPM | 0-50100PPM | 1/0.1PPM |
Fluorine gas F2 | 0-10PPM | 0-110PPM | 1PPM/0.1PPM |
Hydrogen fluoride HF | 0-10PPM | 0-11050100PPM | 0.01/0.1PPM |
Xylene, Toluene | 0-20PPM | 0-51050100PPM | 0.01/0.1PPM |
malodor | 0-100PPM | 0-100PPM | 1PPM/0.1PPM |
Ningxia Nuoke Yinfeng Intelligent Technology Co., Ltd.
Specializing in the development, production, sales and technical services of gas detection instruments
Gas detection: Oxygen, various flammable and explosive gases, various toxic and harmful gases, volatile organic compounds (VOC), etc.
Applications:Environmental protection, petroleum, chemical, shipbuilding, electric power, papermaking, metallurgy, pharmaceutical, water treatment, food processing, coal, building and other fields of gas detection




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: Do you offer guarantee for the products? A: Yes, we offer 1 or 2 years guarantee for the products.
3. 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.
4.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.
2. Q: Do you offer guarantee for the products? A: Yes, we offer 1 or 2 years guarantee for the products.
3. 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.
4.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.