What is the minimum order quantity?

The minimum order quantity is 10 pieces.

What are the available output signals?

Output signals include RS485 digital, Two-wire bus, 4-20mA protocol, and switch output.

Is OEM and ODM service available?

Yes, we provide full customization, minor customization, and support for customization from samples and designs.

Fixed 4 in 1 H2 Gas Concentration Detector Hydrogen Ammonia Gas Detector

Name: Fixed 4 in 1 H2 Gas Concentration Detector Hydrogen Ammonia Gas Detector
Brand: Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.
SKU: 2065279172

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

US$173.40

1-499 Pieces

US$165.30

500-999 Pieces

US$144.90

1,000+ Pieces

Product profile

Customization

Available

After-sales Service

24 Hours Online

Warranty

3 Years

Model NO.

NKYF-G400

Type

Fixed Gas Detector

Alarm Method

Light/Sound

Detection Principle

Catalytic/Electrochemical/Semiconductor/Infrared

Explosion Proof Mark

Exd Iic T6 GB

Measurable Gas

Combustible Gas/Toxic Gas

Working Environment

Temperature(-40~55)℃ Degree

Feature

Measurement Stability

Customized Support

OEM, ODM

Product Size

183*143*107mm (Display Type)

Function

Detect Co/Humidity/Temperature

Product Name

Fixed Online Combustible Co Carbon

Battery

DC24V/36V±10%

Transport Package

Single-Piece Supporting Professional

Trademark

NKYF

Origin

Ningxia, China

Production Capacity

10000 Set/Sets Per Month

Key features

Multi-Gas Detection Capability: Detects CO, H2, humidity, and temperature with catalytic, electrochemical, or infrared sensors.

IP65 Dust-Proof Design: Robust construction suitable for harsh environments like chemical plants and mines.

Remote Calibration Support: Infrared remote control allows adjustment without opening the cover for safety.

Flexible Customization Options: OEM/ODM support with customizable gas types, alarm methods, and output signals.

Dual Alarm System: Features both light and sound alarms with two-level concentration alerts and relay output.

High Precision Sensors: Resolution up to 1% LEL, 0.1% vol, or 1 ppm with auto-zero correction.

ISO 9001 Certified Quality: Factory passes annual ISO 9001 audits with strict quality control at all manufacturing stages.

Comprehensive Warranty: Offers 1 to 3 years warranty coverage for mechanical defects and performance issues.

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: ≤2.73h

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.