Description
Atomfair-DRH689 Integrated Digital Rebound Hammer
Product Overview
Atomfair-DRH689 Integrated Digital Rebound Hammer adopts an integrated structural design, organically integrating the main unit with the sensor. Equipped with advanced non-contact sampling technology and an OLED display system, it boasts advantages such as large data storage capacity, convenient transmission, and low power consumption. It can quickly and accurately detect the compressive strength of concrete structures, output test results in real time, greatly improve the efficiency of engineering quality inspection, and is widely suitable for various concrete engineering testing scenarios.
Basic Information
- Brand: Atomfair
- Model: Atomfair-DRH689 (DRH stands for Digital Rebound Hammer)
- Product Type: Integrated Digital Rebound Hammer
- Display: 1.54-inch OLED Screen, Resolution 128?64, Support Chinese-English Interface Switching
- Data Storage Capacity: Up to 200 standard components (each component can detect up to 99 test areas)
- Communication Interface: USB2.0 Full-Speed (Virtual U Disk, No Driver Installation Required)
- Power Supply: High-Power AA Nickel-Metal Hydride Rechargeable Battery (1.2V, Approximately 2500mAh); Charging Adapter: DC 5V/1A
- Weight: Approximately 1.0 kg
- Applicable Standards: Complies with relevant international rebound hammer testing and verification standards
Product Uses & Application Scenarios
Uses
This product is mainly used for testing the compressive strength of concrete structures. It can instantly obtain the compressive strength test results of the sampled concrete structures, which is suitable for engineering quality testing organized by government metrology departments, on-site quality spot checks by various engineering quality supervision agencies and supervision units, and effectively improves the engineering quality testing efficiency of various testing institutions.
Application Fields
Real estate construction projects, highway and bridge projects, professional testing institutions, supervision companies and other various concrete-related occasions.
Core Technical Features
- Integrated Structural Design: The main unit and sensor are seamlessly integrated without any connecting wires, making it easy to carry; the display and mechanical head can be easily disassembled and assembled, and one display can be matched with multiple mechanical heads to reduce usage costs.
- High-Definition Display Interface: Equipped with a 1.54-inch OLED display with a resolution of 128?64, supporting Chinese-English interface switching, and simple and intuitive operation.
- High-Precision Sampling Technology: Adopts non-contact photoelectric sensor, which completely avoids mechanical wear, poor contact and other defects that are prone to occur in potentiometer or other contact sampling methods. It has the characteristics of high precision and long service life, and retains the mechanical pointer scale at the same time, providing double guarantee for data reliability.
- Large-Capacity Data Storage: It can store data of up to 200 standard components, and each standard component can detect up to 99 test areas, fully meeting the needs of actual testing work.
- Convenient Data Transmission: Adopts USB2.0 full-speed communication interface and virtual U disk design, which can export data to the computer without installing any drivers, improving data processing efficiency.
- Real-Time Time Recording: Equipped with clock and calendar functions, it can automatically record the detection date and time of each component, facilitating the traceability management of detection data.
- Low-Power Energy-Saving Design: Supports screen backlight adjustment and automatic sleep setting, and is equipped with automatic shutdown function to effectively extend the service time of the instrument; uses high-power AA nickel-metal hydride rechargeable battery, which has long service life, energy saving and environmental protection, and long standby time.
Performance Indicators & Function List
| No. | Item | Unit | Indicator |
| 1 | Nominal Kinetic Energy | J | 2.207 |
| 2 | Strength Testing Range | MPa | 10 ? 60 |
| 3 | Impact Spring Stiffness | N/m | 785±30 |
| 4 | Impact Spring Stretching Length | mm | 75±0.3 |
| 5 | Impact Spring Working Length | mm | 61.5±0.3 |
| 6 | Anvil Calibration Rebound Value | – | ≤80±2 |
| 7 | Sampling Indication Consistency (Difference between Digital Display Value and Pointer Reading) | – | ≤0.5 |
| 8 | OLED Display Resolution | – | 128×64 |
| 9 | Data Storage Capacity (Components) | – | <200 |
| 10 | Clock & Calendar Function | – | Available |
| 11 | Display Interface Language | – | Chinese-English Switching |
| 12 | Communication Interface (Virtual U Disk, No Driver Required) | – | USB2.0 Full-Speed |
| 13 | Charging Power Adapter DC | – | 5V/1A |
| 14 | External AA Nickel-Metal Hydride Rechargeable Battery 1.2V | mAh | ∼2500 |
| 15 | Power Consumption (Maximum Backlight) | mA | ≈200 |
| 16 | Weight | kg | ≈1.0 |
Important Warning
It is forbidden to use alkaline batteries for data transmission when connecting this product to a computer. This operation is equivalent to charging the alkaline battery, which may cause the alkaline battery to explode and pose a serious safety hazard.
Package Included
1 × Atomfair-DRH689 Integrated Digital Rebound Hammer, 1 × DC 5V/1A Charging Adapter, 1 × Set of AA Nickel-Metal Hydride Rechargeable Batteries, 1 × User Manual
If you’re interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.


