Factory Price Fixed 4 in 1 Gas Alarm Detector
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Product Highlights
- Multi-Gas Detection: Detects up to 4 gases simultaneously including CO, O2, H2S, and combustible gases.
- Wide Gas Customization: Supports customized gas types and ranges beyond standard options like NO2, NH3, and HCl.
- High Precision Sensors: Features high sensitivity, low drift, and adjustable measurement ranges for accurate monitoring.
- Dual Output Signals: Offers optional 4-20mA analog and RS485 digital output signals for flexible integration.
- Remote Calibration: Infrared remote control allows adjustment and calibration without opening the device cover.
- Robust Build Quality: Explosion-proof design with Exd II CT6 mark, suitable for harsh industrial environments.
- Auto Self-Check: Includes sensor fault self-check and automatic zero point correction for stable operation.
- ISO 9001 Certified: Manufactured in an ISO 9001 certified factory with strict quality control at all stages.
Product Attributes
- Customization
- Available
- After-sales Service
- 24 Hours Online Service
- Warranty
- 1 Year
- Model NO.
- NKYF
- Customized
- Non-Customized
- Portable
- Portable
- Gas
- Flammable, Toxic, Harmful Gas
- Type
- Catalytic/Electrochemical/Infrared
- Alarm Method
- Light/Sound
- Resolution
- 1% Lel 1 Ppm / 0.1 Ppm
- Working Environment
- -20℃-50℃
- Power Supply
- Rechargeable Battery
- Output Signal
- 4-20mA, RS485
- Battery
- DC24V/36V±10%
- Transport Package
- Carton
- Specification
- 20*21*9.5 cm
- Trademark
- NKYF
- Origin
- Guangdong
- Package Size
- 35.00cm * 35.00cm * 25.00cm
- Package Gross Weight
- 5.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
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Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Factory Price Fixed 4 in 1 Gas Alarm Detector
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Product Description
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.
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Product name
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industrial online 4-in-1 stand alone fixed gas detector
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Product Size
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22*19*9cm
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Packing size
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26*23*13cm
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Battery
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DC24V±10%
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Working environment
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- 20 ºC ~ 50 ºC, 15% ~ 90% RH (No condensation)
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Detection principle
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catalytic/electrochemical/Infrared
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Alarm method
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Light/sound
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Sampling
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Natural diffusion
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Resolution
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1% lel 1 ppm / 0.1 ppm
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Measurable gas
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flammable, toxic, harmful gas
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Applications
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Chemical plants, mines, oil refineries, pharmaceutical plants, metallurgical plants, gas stations, liquefied gas stations, brewing, hotel kitchens
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Measure range and resolution
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EX:0-100%lel 1 %lelO2:0-30%vol 0.1%vol CO:0-2000ppm 1ppm or 0-1000ppm 1ppm H2S:0-200ppm 1ppm |
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Feature
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Support a variety of gas customization (customized diversified products according to different industrial and mining)
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Output signal
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RS485 digital or Two bus wire
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Explosion-proof number
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CE10 1084
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Explosion-proof marks
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Exd II CT6
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Control signal
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Switch output, the maximum load 250 V AC 3A(optional)
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Standard package
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Gas detector, Instruction in English, Certificate, carton package
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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!





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Measured gas
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Measuring range
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Selectable range
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Resolution
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Combustible Ex
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0-100%LEL
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0-100%VOL
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1%LEL/1%VOL
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Oxygen O2
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0-30%VOL
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0-30%,0-100%VOL
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0.1%VOL
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Hydrogen Sulfide H2S
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0-100PPM
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0-50,200,1000PPM
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0.1/1PPM
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carbon monoxide CO
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0-1000PPM
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0-500/2000/5000PPM
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0.1/1PPM
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nitrogen dioxide NO2
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0-20PPM
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0-50,1000PPM
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0.1/1PPM
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natural gas
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0-100%LEL
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0-100%LEL
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1%LEL
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Nitrogen oxides
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0-20PPM
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0-50,1000PPM
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0.1/1PPM
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Methane CH4
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0-100%LEL
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0-100%LEL
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1%LEL/1%VOL
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carbon dioxide CO2
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0-5000PPM
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0-1%,5%,10%VOL
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1PPM/0.01%VOL
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Nitric oxide NO
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0-250PPM
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0-500,1000PPM
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1PPM
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nitrogen N2
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0-100%LEL
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0-100%VOL
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1%VOL
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Alcohol
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0-100%LEL
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0-100%LEL
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1%LEL/1%VOL
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Sulphur dioxide SO2
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0-20PPM
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0-50,1000PPM
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0.1/1PPM
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Chlorine CL2
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0-20PPM
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0-10,100PPM
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0.1PPM
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Dichlorosilane
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0-20PPM
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0-20,100PPM
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1PPM/0.1PPM
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Ammonia NH3
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0-100PPM
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0-50,500,1000PPM
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0.1/1PPM
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Silicon tetrachloride
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0-20PPM
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0-20,100PPM
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1PPM/0.1PPM
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Hydrogen H2
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0-100%LEL
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0-1000PPM
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1%LEL/1PPM
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Phosphine PH3
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0-20PPM
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0-20,0-100PPM
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0.01/0.1PPM
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Hydrogen chloride HCl
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0-20PPM
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0-20,50,100PPM
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0.01/0.1PPM
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Acrylonitrile
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0-100PPM
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0-100PPM
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1PPM/0.1PPM
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TVOC
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0-100PPM
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0-100PPM
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1PPM/0.1PPM
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CLO2
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0-50PPM
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0-10,100PPM
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0.1PPM
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Hydrogen cyanide HCN
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0-50PPM
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0-100PPM
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0.1/0.01PPM
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Ethylene oxide ETO
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0-10PPM
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0-100PPM
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1PPM/0.1PPM
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Ozone O3
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0-10PPM
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0-20,100PPM
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0.011PPM/0.1PPM
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Formaldehyde CH2O
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0-20PPM
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0-50,100PPM
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1/0.1PPM
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Fluorine gas F2
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0-10PPM
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0-1,10PPM
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1PPM/0.1PPM
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Hydrogen fluoride HF
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0-10PPM
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0-1,10,50,100PPM
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0.01/0.1PPM
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Xylene, Toluene
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0-20PPM
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0-5,10,50,100PPM
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0.01/0.1PPM
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malodor
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0-100PPM
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0-100PPM
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1PPM/0.1PPM
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Ningxia Nuoke Yinfeng Intelligent Technology Co., Ltd.

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.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR269188". Items marked "" are certified.
Company Profile
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd., a specialized company with a solid 23-year history in gas detection instruments.
Company Overview
Location: Ningxia, China, within a key chemical industry hub.
Experience: 23 years in R&D, production, sales, service, and export of gas detection instruments.
R&D Base: 1, 000 square meters.
Team: 15 professional engineers, 4 production lines, and numerous production/service staff.
Certifications: CE, RoHS, SIL, FCC, IP67, ISO9001.
Products and Services
Portable and fixed gas detectors.
Gas alarm controllers.
Wireless gas detection detectors.
GDS and DCS systems.
Toxic, harmful, flammable, and explosive gas detectors.
Pump-type gas detectors.
Features: All products undergo rigorous testing, calibration, and factory inspection with issued reports.
Applications: Environmental protection, petroleum, chemical industry, shipbuilding, metallurgy, pharmaceuticals, water treatment, food processing, coal.
Export Markets: Products are sold internationally.
Collaboration: Supports retail, wholesale, agency partnerships, and provides OEM/ODM/OBM services.
Strong technical expertise, advanced production processes,
And robust quality management systems underpin its reputation for delivering reliable gas detection solutions worldwide.
About Our Factory & Business Background
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Business Type
- Manufacturer/Factory & Trading Company
- Address
- Yiyuan Road No. 6, Yinchuan, Ningxia, China
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Plant Area
- 544 square meters
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Number of Employees
- 9
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Registered Capital
- 10,000,000 RMB
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Terms of Payment
- T/T, PayPal
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International Commercial Terms(Incoterms)
- FOB, CIF, EXW
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Average Lead Time
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Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Guangzhou, Shenzhen
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Minimum Order Quantity
- 10 PCS
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Supply Chain Partners
- 5
Our Production Capability & Technical Expertise
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Main Products
- Gas Sensor, Gas Detector, Gas Analyzer
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Production Lines
- 1
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Production Machines
- Assembling Line, Label Marking Machine, Welding Machine
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QA/QC inspectors
- 1 people
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Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
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Inspection Method for Finished Products
- Have instructions and uniformly followed
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Customization Options
- Customization from Samples, Full Customization, Customization from Designs, Minor Customization, Flexible customization
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ODM Service Available
- Yes
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OEM Service Available
- Yes
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R&D Engineers
- 1 people
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Traceability of Raw Materials
- Yes
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Own Brand
- Yes
Our Industry Experience & Global Business Record
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Year of Establishment
- 2014-01-13
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Export Year
- 5 Years
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Main Markets
- South America, Southeast Asia/ Mideast, Africa
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Repeat Buyers Choice
- < 10%
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Number of Foreign Trading Staff
- 2
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Overseas Agent/Branch
- No
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New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
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Management System Certification
- ISO9001:2015
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Product Certification
- CCC
FAQ
- Can I have a sample order to test quality?
- Yes, we recommend and welcome sample orders to test and check before placing a bulk order.
- Do you offer a guarantee for the products?
- Yes, we offer a 1 or 2-year warranty/guarantee for our products.
- If I order a large quantity, can I get a cheaper price?
- We will reduce the price according to the specific quantity and your requirements for the product.
- How does your factory handle quality control?
- Quality is priority. Our factory has passed ISO 9001 with annual audits and established procedures to check products at all stages, including raw materials, in-process materials, and finished goods.
- What gases can this detector measure?
- Standard configurations include CO, O2, H2S, and combustible gas. Other gases like NO2, NH3, HCl, and many more can be customized based on your needs.
- What are the output signal options?
- The detector supports optional 4-20mA analog output and RS485 digital output signals.
- Is the device explosion-proof?
- Yes, it features an explosion-proof mark of Exd II CT6, suitable for hazardous environments.
- What is the minimum order quantity?
- The minimum order quantity is 10 PCS.
Send your message to this supplier
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