NKYF-S400+40
1 Year
1 Year
Nkyf
Customized
Portable
FCC, CE, RoHS
CO
Electrochemical Gas Analyzer
Light/Sound
Catalytic/Electrochemical/Infrared
Combustible Gases, Toxic Gases
12 Month
Temperature(-40~55)ºC
OEM, ODM
Fixed 4 in 1 Gas Detector
Ningxia, China
NKYF
Box
Product Size(Cm) 20*21*9.5
Ningxia, China
Product Description
Can detect 4 kinds of gases at the same time
Any combustible, flammable, toxic, oxygen, TVOC gas could be detected by the referred detector, for more detailed infos, pls contact us by cilicking this link.
The fixed 4-in-1 gas detector is a high-performance fixed gas detector developed by our company,
which is used for long-term continuous monitoring of combustible toxic and harmful gases in the air.
It can continuous detect max 4 kinds of gas and display real timely, detect gas concentration by Natural diffusion.
The standard 4 gas are CO O2 H2S and combustible gas, other gas can be combined flexibly.

Product name | industrial online 4-in-1 stand alone fixed gas detector |
Product Size | 22*19*9cm |
Packing size | 26*23*13cm |
Battery | DC24V±10% |
Working environment | - 20 ~ 50 , 15% ~ 90% RH (No condensation) |
Detection principle | catalytic/electrochemical/Infrared |
Alarm method | Light/sound |
Sampling | Natural diffusion |
Resolution | 1% lel 1 ppm / 0.1 ppm |
Measurable gas | flammable, toxic, harmful gas |
Applications | Chemical plants, mines, oil refineries, pharmaceutical plants, metallurgical plants, gas stations, liquefied gas stations, brewing, hotel kitchens |
Measure range and resolution | EX:0-100%lel 1 %lelO2:0-30%vol 0.1%vol CO:0-2000ppm 1ppm or 0-1000ppm 1ppm H2S:0-200ppm 1ppm |
Feature | Support a variety of gas customization (customized diversified products according to different industrial and mining) |
Output signal | RS485 digital or Two bus wire |
Explosion-proof number | CE10 1084 |
Explosion-proof marks | Exd II CT6 |
Control signal | Switch output, the maximum load 250 V AC 3A(optional) |
Standard package | Gas detector, Instruction in English, Certificate, carton package |
Product characteristics
Detection accuracy, range adjustable, 4-20MA protocol and 485 protocol optional
Long life, high sensitivity, low drift, stable and reliable work
Sensor fault self-check, two-level concentration alarm, with relay output function
LCD gas concentration digital display and working state display
With temperature compensation, automatic zero point correction function
Infrared remote control mode, the detector can be adjusted without opening the cover, safe and convenient, remote control calibration; Configuring remote control
Long life, high sensitivity, low drift, stable and reliable work
Sensor fault self-check, two-level concentration alarm, with relay output function
LCD gas concentration digital display and working state display
With temperature compensation, automatic zero point correction function
Infrared remote control mode, the detector can be adjusted without opening the cover, safe and convenient, remote control calibration; Configuring remote control
Click here to ask us for any detailed information about gas detectors!



NOTICE:
NKYF specializes in the production of various types of gas detectors.
If you are not sure which product to choose and what scenario is suitable for use, please feel free to contact us for free professional advice
Except belowing normal gases, other gases and measuring ranges are all support customized, please click to contact us for more details
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 |




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.