What interfaces are available for data transfer?

The device features a USB 2.0 interface for connecting to PC software for data processing.

Is OEM or ODM service available?

Yes, the manufacturer offers OEM, ODM, and various customization options including samples and designs.

What is the minimum order quantity?

The Minimum Order Quantity (MOQ) is 1 set.

KH-520 Portable Hardness Measurement, Portable Hardness Testing Device, Portable Hardness Meter

Name: KH-520 Portable Hardness Measurement, Portable Hardness Testing Device, Portable Hardness Meter
Brand: Guangdong Hongtuo Instrument Technology Co., Ltd.
SKU: 869812855

Guangdong, ChinaGuangdong Hongtuo Instrument Technology Co., Ltd.

US$199.00-300.00

1 Piece

Product profile

Customization

Available

Warranty

one year

Type

Hardness Tester

Model NO.

KH-520

Certification

CE,FCC

Application

Portable Hardness Tester

Continuous Work Time

200 Hours

Delivery Time

3 days

Calibration Function

Yes

Testing Before Delivery

Yes

After-sale Customer Service

Yes

Technical Support

Yes

LCD Displaying

Yes

Auto Power Off

Yes

Interface

2.0

Battery

Hardness Scale

HL, HB, HRB, HRC, HRA, HV, HS

Transport Package

Standard Exporting Wooden Package

Trademark

DahoMeter

Origin

Dongguan, China

HS Code

9027809900

Production Capacity

300 Sets/Month

Key features

7 Hardness Scales: Supports HL, HB, HRB, HRC, HRA, HV, HS scales for diverse materials.

Direct HB Reading: Directly reads HB value for forged steel without manual table checking.

200-Hour Battery Life: Continuous working period of no less than 200 hours on a single charge.

Auto Device ID: Automatically identifies the type of the 7 available impact devices.

Built-in Thermal Printer: Original imported high-speed printer for immediate, permanent data storage.

Limit Alarm System: Preset upper/lower limits with automatic alarms when results exceed them.

Robust Industrial Design: Sturdy, compact housing resistant to vibration, shock, and interference.

Company profile

Cooperated with Fortune 500High Repeat Buyers ChoicePatents AwardedManagement Certification

Guangdong Hongtuo Instrument Technology Co., Ltd.

Guangdong, 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: 11 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.04h

AI-Powered supplier vetting

SummaryHongtuo demonstrates broad manufacturing, customization, and service capabilities. It operates customer service and after-sales centers in four Chinese cities, maintains documented quality and service procedures, and holds ISO9001:2015 and CE certifications. Its manufacturing scope includes tapping, laser marking, drilling, cutting, and welding, with in-stock capability and contracts with associated subcontractors. The supplier reports recent new-product activity, ODM capability, SDK availability, and multiple customization options. Evidence also indicates cooperation with Fortune 500 companies and a repeat-buyer proportion of 50%–80%. However, the provided information does not identify the supplier type, and its financial information is limited to reporting years rather than substantive financial indicators. It has no overseas warehouse or showroom, which may limit overseas physical service coverage.

CertificationsHongtuo reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity.

After-Sales capabilityHongtuo has customer and after-sales service centers in Dongguan, Beijing, Shenzhen, and Hangzhou, offering technical consultation, solutions, installation training, business processing, and after-sales service. It also reports documented service procedures, corrective and preventive action procedures, and complaint-handling procedures with records.

R&D capabilityHongtuo reports new products during the past year, ODM service, SDK availability, and two R&D engineers responsible for technical support and new-product development. These facts provide explicit evidence of active R&D and product-development capability.

Production capacityThe supplier reports tapping, laser marking, drilling, cutting, and welding facilities, documented finished-product inspection instructions, two quality-control staff, five quality-control test devices, inventory capability, and valid contracts with associated subcontractors. This supports a defined production and quality-control operation.

Customization capabilityHongtuo explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same range is reported across its design and R&D capability information, indicating broad customization coverage.

Client casesHongtuo reports cooperation with Fortune 500 companies and a repeat-buyer proportion of 50%–80%. These statements provide direct evidence of notable customer experience and repeat purchasing, although no customer names or project details are supplied.

Product Q&A

Q:What materials can this hardness tester measure?

It is suitable for steel, cast steel, alloy steel, stainless steel, gray cast iron, nodular cast iron, cast aluminum alloy, brass, bronze, tin pure copper, and forging steel.

Q:What is the warranty period for the KH-520?

The product comes with a two-year warranty and all-life maintenance service.

Q:Does the device support user calibration?

Yes, the KH-520 features a user calibration function for accurate measurements.

Q:What is the battery life and type?

It uses a 6V NI-MH rechargeable battery with a continuous working period of no less than 200 hours.

Q:Can the device print test results?

Yes, it includes an original imported high-speed thermal printer for immediate printing and permanent data storage.