What is the warranty period?

We provide a 12-month (1 Year) warranty for our products.

Do you have calibration certificates?

Certainly, each product gets calibrated before leaving our factory.

Why should we choose you?

We are a high-tech enterprise integrating R&D, production, and sales with expertise in gas monitoring and IoT big data.

Auto Zero Calibration Sensor Fault Alert Handheld Gas Detector

Name: Auto Zero Calibration Sensor Fault Alert Handheld Gas Detector
Brand: Hebei Zehong Technology Co., Ltd.
SKU: 2140940022

Hebei, ChinaHebei Zehong Technology Co., Ltd.

US$101.45-390.35

10 Pieces

Sample price:US$101.45/piece.Request sample

Product profile

Customization

Available

After-sales Service

7/24 Online Service

Warranty

1 Year

Model NO.

268

Style

Portable

Alarm Form

Audible Alarm

Certification

CE, ISO, RoHS

Application

Museum, Prison, Pier, Station, Hotel

Sampling Method

Natural Diffusion

Detection Range

0-10, 000 U Mol/Mol

Operating Voltage

DC3.7V(Lithium Battery Capacity:2000mAh)

Dimensions

200X70X25(mm)

Transport Package

Carton

Specification

200x70x25(mm)

Trademark

Zehong

Origin

China

Key features

Auto Zero Calibration: Sensor auto-zero program effectively avoids repeated zeroing during detection.

Multi-Stage Alarm System: Features high/low alarms, two-stage alerts, sensor fault detection, and low voltage shutdown.

Extended Flexible Probe: Includes an adjustable extended flexible probe for versatile detection scenarios.

Fast Response Time: Rapid warm-up and response time within 30 seconds for immediate safety alerts.

Long Battery Life: Low power consumption with 2000mAh lithium battery suitable for prolonged use.

Wide Gas Detection: Detects natural gas, hydrogen, propane, ethanol, and various industrial solvents.

Professional Calibration: Each product undergoes calibration before leaving the factory for accuracy.

Portable Design: Compact dimensions (200x70x25mm) with LCD screen for easy handheld operation.

Company profile

Cooperated with Fortune 500Importers and ExportersSelf-brandedPatents Awarded

Hebei Zehong Technology Co., Ltd.

Hebei, 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: Tianjin PortAverage Response Time: ≤0.53h

AI-Powered supplier vetting

SummaryThe supplier develops, manufactures, sells, maintains, and installs gas detection instruments and related control, safety, sensing, valve, electronic, and explosion-proof products. It holds multiple management, product, safety, metrology, and explosion-proof certifications, and reports production capacity of millions of gas detection instruments annually. Evidence supports strong R&D and customization capabilities, including ODM, OEM for well-known brands, SDK availability, and recent product development. Service procedures, complaint handling, corrective actions, inventory, and overseas installation, training, repair, maintenance, and debugging capabilities are documented. However, the supplier has no valid contract with associated subcontractors, no overseas warehouse, overseas agent or branch, showroom, or reported offline trade-show participation. Financial records are identified for 2022–2024, but their contents are not provided. Customer-case evidence is limited to OEM service for well-known brands.

Supplier typeThe supplier is a manufacturer and service provider focused on gas detectors, control systems, safety equipment, sensors, valves, electronic products, explosion-proof electrical products, and related mechanical equipment services. Its stated production line can produce millions of gas detection instruments annually, indicating a product-manufacturing rather than purely trading profile.

CertificationsThe supplier reports ISO9001, ISO14001, ISO45001 or GB/T28001 management certifications, CCC, CE, explosion-proof and metrology certifications, SIL certification, dual-certification certificates, and a high-tech enterprise certificate. These certifications explicitly support management-system, product-compliance, safety, and quality credentials.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions, customer complaints, and supplier-service assessment, and provides installation, training, repair, maintenance, and debugging. It also reports inventory capability, but lacks overseas agents or branches, overseas warehousing, and overseas showrooms; therefore, its service processes are evidenced, while its overseas physical coverage is limited.

R&D capabilityThe supplier reports new products during the past year, ODM service, OEM service for well-known brands, and an available SDK. These are explicit indicators of product-development and technical integration capability.

Production capacityThe supplier reports a production line capable of producing millions of gas detection instruments annually, in-stock capability, and peak-season order fulfillment within 15 working days. It also has written supplier-service assessment procedures and records, although the absence of a valid contract with associated subcontractors is a documented management weakness.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, minor customization, and flexible customization. This directly demonstrates broad customization coverage across customer-provided samples, designs, and modification requirements.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one type of customer engagement. No brand names, project details, volumes, performance results, or broader customer references are provided, limiting the depth of case validation.