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ZC3-U Digital Concrete Rebound Hammer with Color Display (Dustproof, Anti-Glare, and Interference-Resistant)

This instrument features on-site sampling, automatic data logging, automated calculations, voice‑based result announcements, real-time display of intensity values, and the ability to switch measurement areas.

Category:

Non-Destructive Testing Equipment for Construction

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lbt@lbt.ltd

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+86-15102211717

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ZC3-U Digital Concrete Rebound Hammer with Color Display (Dustproof, Anti-Glare, and Interference-Resistant)

Description

Product Description:

This instrument features on-site sampling, automatic data logging, automated calculations, voice‑based result announcements, real-time display of strength values, measurement‑area switching, and voice prompts upon completion of component testing. It also supports instrument management settings and online data uploading, and can be optionally equipped with a Bluetooth printer for on‑site printing of rebound test results, significantly enhancing testing efficiency and reducing the workload of testing personnel. In accordance with national and industry standards, it is suitable for concrete strength testing in the 10–60 MPa range; when used in compliance with relevant local standards, it can accommodate concrete strength testing within the 10–80 MPa range.

Product Features:

★ Equipped with the latest-generation EMR triple‑protection sensor, it offers dust‑proof, light‑proof, and anti‑interference capabilities, ensuring stable and reliable performance in a wide range of challenging environments.

★ The highly integrated electronic module requires no maintenance throughout its entire service life and can be easily replaced without dismantling the mechanical housing.

★ High precision, excellent stability, and long service life

★ Built-in six-axis gyroscope that automatically detects and corrects orientation; built-in temperature and humidity sensor that displays on-site environmental conditions in real time.

★ Built-in high-capacity memory capable of storing 999 standard components; each component can be configured with up to 99 measurement zones, supporting up to 160,000 data points.

★ Supports Chinese input, making it easy to edit project and component names on-site.

★ Features voice‑based reading announcements, measurement‑area switching, and voice prompts upon completion of component testing.

★ Real-time current intensity measurement; supports the rebound method for core sampling.

★ Comes standard with a Bluetooth module, enabling connection to apps, data upload to the platform, and on-site Bluetooth printing.

★ 2.0-inch HD color screen, with a more intuitive interface

★ Large-capacity 3,200 mAh rechargeable lithium-ion battery with long runtime, supporting continuous operation for ≥20 hours.

★ Built-in national standard strength‑testing curves, as well as local strength‑testing curves for certain provinces, municipalities, and regions.

Standard Compliance:

People’s Republic of China National Metrological Verification Regulation “Rebound Hammer” JJG 817-2011

National Standard of the People’s Republic of China “Rebound Hammer” GB/T 9138-2015

Technical Specification for Testing Concrete Compressive Strength by the Rebound Method, JGJ/T 23-2011

Technical Specifications:

Parameter	Specifications
Nominal kinetic energy	2.207J
Storage capacity	360 standard components, with up to 57,600 measurement points and corresponding data.
Display	3.2-inch 256×64 dot-matrix OLED high-brightness blue-light LCD screen
Communication rate	115200bps
Battery level	1,500 mAh, 3.7 V lithium-ion battery
Working length of the impact tension spring	61.5±0.3 (millimeters)
Elongation of the impact tensile spring	75±0.3 (millimeters)
Anvil calibration value	80±2
Indication consistency	≤1
Impact tensile spring stiffness	785 ± 30 newtons per meter

Related Product

HC-40 Concrete Multi-functional Strength Tester

The HC-40 concrete multi-functional strength tester is a high-performance testing device integrating multiple advanced technologies, specifically designed for evaluating the strength and quality of concrete.

FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

Which materials can be measured by your Vicat softening point tester?

It measures heat deflection temperature and Vicat softening temperature of plastics, hard rubber, nylon, insulating materials and fiber-reinforced thermosetting composites. Intelligent temperature control guarantees precise heating rate, ideal for plastic raw material incoming inspection and formula development in plastic factories.

Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

What kinds of pipes fit your ring stiffness tester? Can it do long-term creep testing?

This equipment is designed for HDPE, PVC corrugated pipes, plastic drainage pipes and various plastic tubular products. Apart from ring stiffness, ring flexibility and flattening tests, it supports continuous long-term creep tests up to 1000 hours (42 days) as required by industry specifications, widely used for pipe factories and construction quality inspection institutes.

What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

Our WDW universal tester is applicable for tension, compression, bending, shearing and peeling tests of metal, plastic, rubber and composite materials. It supports test procedures in accordance with GB, ISO, ASTM, DIN, JIS multiple domestic and global standards. Equipped with high-precision servo drive and dedicated test software, it automatically collects, calculates and exports test data including tensile strength, elongation at break and elastic modulus.

Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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ZC3-U Digital Concrete Rebound Hammer with Color Display (Dustproof, Anti-Glare, and Interference-Resistant)

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Address:Tianjin Jinghai Economic Development Zone

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