ELECTRONIC CONCRETE TEST HAMMER 

Electronic Concrete Test Hammer (Digital Schmidt Hammer)

Product Code: MSI 2069

The Electronic Concrete Test Hammer is an advanced, micro-processor driven digital NDT instrument engineered for calculating the compressive strength of hardened concrete structures. Operating across an expansive testing envelope from 10 to 60 MPa, this instrument upgrades the traditional mechanical workflow by pairing classic rebound hammer dynamics with automated electronic registration and data processing.

The instrument is engineered with a high-accuracy center rod crafted from specialized imported wear-resistant materials. The internal sensor array maps out the displacement curves of the rebound stroke automatically, storing data immediately to save technicians from manual notebook entries. Encased in a rugged high-polymer shell that completely absorbs impact shocks, this tool is ideal for mapping out wide-span concrete compliance profiles on-site.

🎯 Applications

• Digital Non-Destructive Compressive Strength Testing (10–60 MPa)

• Automated Data Logging for Fast Structural Compliance Mapping

• In-Situ Structural Integrity & Quality Audits of High-Rise Assets

• Rapid Detection of Low-Strength Variations & Honeycombing Faults

• Civil Engineering Laboratories & Concrete Core Testing Verification

• Ready Mix Concrete (RMC) Quality Control Auditing Programs

⭐ Features

• Premium Imported Core Assembly: The center rod is machined from imported, high-purity alloy steel to guarantee high dimensional accuracy and wear resistance.

• High Polymer Shock-Shield: Heavy-duty polymer structural body protects sensitive internal sensors from impact shocks and drops.

• Balanced External Slider Structure: The pointer slider features an accessible, externally balanced design, making it straightforward to maintain a stable friction coefficient of 0.5 N to 0.8 N.

• Traceable Impact Energy: Operates on the standard 2.207 Joules impact kinetic baseline, ensuring compliance with global regulatory testing curves.

• Automated Electronic Registry: Built-in digital processor captures precise physical strokes without reliance on optical eye tracking of scale markings.

• Standard Steel Anvil Baseline: Factory-tested to return a reliable average rebound value (RM) of 80±2 on a standard calibration steel anvil.

⚙️ Technical Specifications

Product Code : MSI 2069

Brand Series : QUALITYTEST / CONCRETE QUALITYTEST

Testing Range : 10 to 60 MPa

Standard Impact Energy : 2.207 Joules (0.225 Kgf.m)

Stroke of Rebound Hammer : 75 mm

Friction of Pointer Slider ; 0.5 N to 0.8 N

Sphere Radius of Rebound Pole (SR) : 25 mm ± 1 mm

Average Rebound on Steel Anvil (RM) : 80 ± 2

Power Profile / Source : Integrated Electronic Charging Assembly

Shell Housing Material : Reinforced High Polymer Compound

Dimensions (Diameter x Length) : 54 mm x 278 mm

Net Unit Weight : 1 Kg

📦 Standard Supply Includes

• Electronic Digital Concrete Test Hammer Main Unit

• Integrated Data Processing & Sensor System

• Silicon Carbide Carborundum Surface Dressing Stone

• Industrial Battery Charger & USB Connection Cables

• Heavy-Duty Protective Carrying Case with Form-Fitted Inlays

• Manufacturer's Traceable Calibration Certificate

• Digital Calibration Charts and Technical Operating Manual

🔬 Working Principle

The electronic hammer plunger is pressed firmly against a flat, ground concrete surface until the internal mechanical spring system latches into position. Pushing forward drives the hammer back until it releases automatically, discharging the exact standard 2.207 J kinetic impact energy via the 25 mm radius pole tip into the structural section.

As the internal mass bounces backward through its 75 mm stroke window, the electronic sensor array maps the deceleration curve and records the exact peak rebound index directly to memory. These digitized metrics are automatically processed against standard conversion algorithms, displaying the estimated compressive strength values in MPa directly on the electronic interface.

💡 Advantages

• Eliminates paper logging completely by digitizing data points automatically on impact.

• Drastically minimizes human data collection errors by removing manual reading interpolation.

• Lightweight 1 Kg handheld frame allows operators to test overhead ceilings or tight columns continuously without fatigue.

• Robust polymer shell prevents internal calibration shifts even when working on active, vibrating project layouts.

🤝 Why Choose Multitech Scientific Instruments?

• Precision-engineered concrete testing equipment.

• Manufactured strictly to International Standards.

• High-quality fabrication and robust material choices.

• Consistent and reliable performance.

• Competitive pricing models.

• Excellent after-sales technical support.

• Trusted by laboratories, contractors, consultants, and educational institutions globally.

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