What is the warranty period for this gas detector?

The product comes with a 3-year warranty, with after-sales service available for 1 year.

What are the output signal options?

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

Is the device portable or fixed?

This is a fixed gas detector designed for long-term continuous monitoring in industrial environments.

Nkyf High Resolution 0~1000 Ppm 4 in 1 Fixed Gas Detector

Name: Nkyf High Resolution 0~1000 Ppm 4 in 1 Fixed Gas Detector
Brand: Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd.
SKU: 2088879695

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

1year

Warranty

3 Years

Model NO.

NKYF-S400+40

Brand

Nkyf

Customized

Portable

Non Portable

Certification

FCC, CE, RoHS

Type

Fixed Gas Detector

Alarm Method

Light/Sound

Detecting Gas

Carbon Dioxide (CO2)

Detection Principle

Catalytic/Electrochemical/Infrared

Measurable Gas

Combustible Gases, Toxic Gases

Measure Range

0-100%Lel

Working Environment

Temperature(-40~55)℃

Customized Support

OEM, ODM

Product Name

Fixed 4 in 1 Gas Detector

Product Size(Cm)

20*21*9.5

Precision

± 3%Fs

Battery

DC24V/36V±10%

Transport Package

Box

Specification

Customized

Trademark

NKYF

Origin

Ningxia, China

Key features

4-in-1 Multi-Gas Detection: Simultaneously detects combustible, toxic, oxygen, and TVOC gases with high precision.

Flexible Gas Customization: Supports customized gas types and ranges beyond standard CO, O2, H2S, and combustible gases.

High Precision & Stability: Features low drift, high sensitivity, and automatic zero point correction for reliable monitoring.

Advanced Alarm & Display: Includes light/sound alarms, LCD digital display, and infrared remote control calibration.

Robust Communication: Supports RS485 digital output and 4-20mA protocol for seamless system integration.

Wide Application Scope: Ideal for chemical plants, mines, oil refineries, and pharmaceutical facilities.

Quality Certified: Passed ISO 9001 certification with strict quality control at all manufacturing stages.

Durable Construction: Explosion-proof design (Exd II CT6) suitable for harsh industrial environments.

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: ≤3.24h

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 the products.

Q: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.

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, validated materials, and finished goods.

Q:What gases can this detector measure?

The standard configuration detects CO, O2, H2S, and combustible gases. Other gases like CO2, NO2, and toxic gases can be customized flexibly.