What is the detection principle of this detector?

The detector uses catalytic, electrochemical, or infrared detection principles.

What are the output signal options?

It supports RS485 digital output or 4-20mA analog output, with optional switch output (max load 250V AC 3A).

What is the working environment range?

The working environment is -20 to 50 degrees Celsius with 15% to 90% RH (no condensation).

S400 Fixed Combustible LPG Gas Natural Gas Detector

Name: S400 Fixed Combustible LPG Gas Natural Gas Detector
Brand: Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.
SKU: 2118102015

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

US$394.80

1-499 sets

US$387.90

500-999 sets

US$364.30

1,000+ sets

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

3 Years

Model NO.

NKYF-S400+40

Brand

Nkyf

Customized

Portable

Non Portable

Certification

FCC, CE, RoHS

Gas

CH4

Type

Fixed Gas Detector

Alarm Method

Light/Sound

Usage

Outdoor Natural Gas Detector

Detecting Gas

Combustible Gas/H2s/Co/O2

Detection Principle

Catalytic/Electrochemical/Infrared

Measurable Gas

Combustible Gases, Toxic Gases

Debug Mode

Controller

Working Environment

Temperature(-40~55)Degree

Sampling Method

Natural Diffusion

Customized Support

OEM, ODM

Product Name

Flammable Exhaust Flue Multi 4 Gas Analyzer

Battery

DC24V/36V

Transport Package

Customized Packaging and Single-Piece Samples

Specification

22*19*9cm

Trademark

NKYF

Origin

Ningxia, China

Production Capacity

1000 PCS/Month

Key features

Multi-Gas Detection: Detects up to 4 gases simultaneously including combustible, toxic, and oxygen gases.

Flexible Customization: Supports customized gas types, ranges, and resolutions for diverse industrial needs.

High Accuracy Sensors: Features high sensitivity, low drift, and stable performance with self-check functions.

Dual Output Signals: Offers optional RS485 digital or 4-20mA analog output signals for easy integration.

Infrared Remote Control: Allows adjustment and calibration without opening the cover for safe and convenient operation.

Robust Explosion-Proof Design: Certified Exd II CT6 explosion-proof mark suitable for hazardous environments.

Wide Application Scope: Ideal for chemical plants, mines, oil refineries, pharmaceuticals, and gas stations.

Long Warranty Coverage: Provides 3 years warranty with 1 year after-sales service for peace of mind.

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: ≤2.97h

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.

Product Q&A

Q: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.

Q:Do you offer a guarantee for the products?

Yes, we offer a 1 or 2-year guarantee for our products.

Q:Is there a price discount for large quantity orders?

Yes, we will reduce the price according to the specific quantity and your requirements for the product.

Q:How does your factory handle quality control?

Quality is our 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.

Q:What gases can this detector measure?

It can detect combustible, flammable, toxic, oxygen, and TVOC gases. Standard gases include CO, O2, H2S, and combustible gas, with flexible combinations available.