What is the after-sale service policy?

12 months warranty for all kinds of products.

Heavy Duty Fixed H2s Monitor and Hydrogen Sulfide Detection System

Name: Heavy Duty Fixed H2s Monitor and Hydrogen Sulfide Detection System
Brand: Henan Zhong An Electronic Detection Technology CO.,LTD
SKU: 2097067072

Henan, ChinaHenan Zhong An Electronic Detection Technology CO.,LTD

US$185.00

1-499 Sets

US$165.00

500-999 Sets

US$140.00

1,000+ Sets

Sample price:US$185.00/set.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

18 Months

Brand

Zhongan

Customized

Portable

Fixed

Certification

FCC, CE, RoHS, ATEX, IP, ISO, SGS

Gas

H2S

Type

Electrochemical Gas Analyzer

Detection Principle

Catalytic/Electrochemical/Semiconductor/Infrared

Gas Detected

Combustible Gas, Toxic Gas

Sampling Mode

Natural Diffusion

Transport Package

Flight Case

Specification

18.5*18*8cm

Trademark

ZhongAn

Origin

China

Production Capacity

100000

Key features

Multi-Principle Detection: Supports Catalytic, Electrochemical, Semiconductor, and Infrared detection principles.

Flexible Output Modes: Offers 4-20mA, RS485, and wireless transmission for long-distance anti-interference.

Infrared Remote Debugging: Parameters can be set without opening the cover using infrared remote control.

High Explosion Protection: Exd ii C T6 Gb grade with IP66 ingress protection for harsh environments.

Real-time Alarm System: Provides sound and light alarms with real-time LCD/LED gas concentration display.

Professional Manufacturer: Direct factory supply with OEM/ODM support and free samples available.

Wide Certification: Certified by CE, RoHS, FCC, ATEX, ISO, SGS, and CNEx for global compliance.

Company profile

Fast DeliveryQuality AssuranceIn-stock CapacityOEM Services

Henan Zhong An Electronic Detection Technology CO.,LTD

Henan, 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: 7 years CertifiedNearest Port: Zhengzhou PortAverage Response Time: ≤1.12h

AI-Powered supplier vetting

SummaryZhongAn presents evidence of quality and management certifications, including ISO9001:2015, CE, RoHS, and FCC. It reports structured finished-product inspection, 11 quality assurance/control inspectors, in-stock capability, and order lead times within 15 workdays in both peak and off-season periods. The supplier provides extensive customization, ODM, and OEM services, and reports new products within the past year. After-sales support is described as available 24 hours daily with technical guidance and maintenance, but no written complaint-handling, corrective-action, or service-assessment procedures are documented. Overseas service infrastructure is limited: there are no overseas agents, branches, warehouses, showrooms, or stated countries served. Financial credibility cannot be assessed from the provided slices because the financial entries identify years but provide no financial results. Customer cases are not explicitly documented.

Supplier typeThe supplier provides ODM, OEM for well-known brands, and multiple forms of customization. Its stated export-sales share is 51%–70%, indicating international commercial activity, although the slices do not explicitly identify its legal supplier classification or manufacturing business type.

CertificationsThe supplier states that quality is certified by international authorities and identifies ISO9001:2015, CE, RoHS, and FCC certifications. These are explicit certification holdings or capabilities in the provided information.

After-Sales capabilityThe supplier states that it has a professional after-sales team offering installation, commissioning, technical guidance, maintenance, and 24-hour online response. However, it has no written complaint-handling, corrective/preventive-action, or service-capability assessment procedures, and no overseas agents, branches, warehouses, or showrooms.

R&D capabilityThe supplier reports new products within the past year and offers ODM services, demonstrating stated product-development activity. It has no available SDK, but the available evidence still supports innovation capability for product development and design services.

Production capacityThe supplier reports 11 quality assurance/control inspectors, documented and uniformly followed finished-product inspection instructions, in-stock capability, and lead times within 15 workdays in both peak and off-season. However, it reports no valid manufacturing-capacity contract with affiliated subcontractors and has no written service-capability assessment procedure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability, providing strong direct evidence of customization capability.