What is the warranty period?

The standard warranty is 3 years, with options for 1 or 2 years depending on the specific agreement.

Can the gas types and ranges be customized?

Yes, we support customized diversified products according to different industrial and mining requirements, including gas types and measuring ranges.

High Quality Co H2s O2 4 in 1 Fixed Multi Gas Detector

Name: High Quality Co H2s O2 4 in 1 Fixed Multi Gas Detector
Brand: Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.
SKU: 2093608865

Ningxia, ChinaNingxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

US$394.80

1-4 Pieces

US$387.90

5-9 Pieces

US$364.30

10+ Pieces

Product profile

Customization

Available

After-sales Service

1 Years

Warranty

3 Years

Model NO.

NKYF-S400+40

Brand

Nkyf

Customized

Portable

Certification

FCC, CE, RoHS

Type

Fixed Gas Detector

Alarm Method

Light/Sound

Product Name

Fixed 4 in 1 Gas Detector

Product Size(Cm)

20*21*9.5

Detection Principle

Catalytic/Electrochemical/Infrared

Precision

± 3%Fs

Measurable Gas

Combustible Gases, Toxic Gases

Battery

DC24V/36V±10%

Working Environment

Temperature(-40~55)℃

Customized Support

OEM, ODM

Transport Package

Box

Specification

Customized

Trademark

NKYF

Origin

Ningxia, China

Key features

Multi-Gas Detection: Simultaneously detects up to 4 gases including CO, O2, H2S, and combustible gases.

Flexible Customization: Supports OEM/ODM and customized gas types, ranges, and resolutions for specific needs.

High Precision Sensors: Uses catalytic, electrochemical, and infrared principles with high sensitivity and low drift.

Robust Safety Features: Features light/sound alarms, relay output, and explosion-proof design (Exd II CT6).

Wide Application Range: Suitable for chemical plants, mines, oil refineries, pharmaceuticals, and gas stations.

Advanced Communication: Supports RS485 digital output, 4-20mA protocol, and infrared remote calibration.

Reliable Performance: Long life sensor with automatic zero correction and self-check functions.

Certified Quality: Products certified with FCC, CE, RoHS, and ISO 9001 quality management system.

Company profile

OEM ServicesProduct CertificationFlexible CustomizationSelf-branded

Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.

Ningxia, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Guangzhou, ShenzhenAverage Response Time: ≤2.71h

AI-Powered supplier vetting

SummaryThe supplier operates across environmental monitoring instruments, gas detector alarm systems, integrated circuits, software, security equipment, machinery, electrical equipment, and related products. It demonstrates broad customization and R&D capabilities, including ODM services, recent new-product development, SDK availability, and OEM service for well-known brands. Quality processes include documented inspection, corrective and preventive action, complaint-handling procedures, and stated quality assurance. Production evidence includes one production line, 2 quality assurance and quality control inspectors in one record, 11–20 quality control staff in another, and annual gas detector alarm system output of 200,000 pieces. The supplier has inventory capability and export-market coverage but lacks a valid manufacturing-capacity contract with related subcontractors, overseas warehouse capability, and overseas showroom capability. No sufficient evidence confirms certifications or specific customer cases.

Supplier typeThe supplier’s stated business scope covers sales and design-related activities for environmental monitoring instruments, gas detector-related products, integrated circuit chips, software, security equipment, machinery, electrical equipment, fire equipment, and other industrial products. The records also indicate that certain activities may require approval or licenses from relevant authorities.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaint handling, which supports structured service management. However, it has no overseas warehouse capability and no overseas showroom capability, limiting evidence of overseas service infrastructure.

R&D capabilityThe supplier reports new-product development during the past year, ODM service capability, and an available SDK. These records provide explicit evidence of product development and technical integration capability.

Production capacityProduction evidence includes annual output of 200,000 gas detector alarm systems, one production line, inventory capability, documented finished-product inspection instructions, and an off-peak lead time within 15 working days. However, the supplier has no valid contract with its related subcontractors for manufacturing capacity, creating a documented capacity-management weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same capabilities are recorded in both R&D and design-service information, strongly supporting broad customization coverage.