1.1 Composition
The component list of digital rebound test hammer mainly includes 1 Mechanical rebound test hammer, 1 electronic detection system, 1 charger, 1 Micro USB data cable, 1 USB flash disk and 1 product operation manual.
1.2 Technical Parameter
· Nominal kinetic energy: 2.207J
· Stiffness of spring: 785 ± 30.0N/m
· Pointer length: 20.0 ± 0.2mm ? Pointer friction: 0.65 ± 0.15N
· Spherical radius of impact rod: R25 ± 1.0mm
· Working length of spring striking tension spring: 61.5 ± 0.3mm
· Tensile length of spring striking tension spring: 75.0 ± 0.3 mm
· Rated value of steel anvil: 80 ± 2
· Consistency of detection indication: ≤± 1
· Operating temperature: - 4 ℃ ~ + 40 ℃
· Communication rate: 115200bps
· Display: 2.08-inch 256x64 (dot matrix) OLED display
· Power supply: 1800mAh, 3.7V lithium ion battery
· Working hours: continuous working ≥ 10 hours
· Test range: 10-60MPa
1.3 Features:
? real-time measurement point strength estimation, and automatically calculate the measurement area strength and component estimated strength after sampling
? Small size, modular design, easy to replace the mechanical rebound test hammer
? Built in large capacity rechargeable lithium ion battery, long service life of the test hammer
? Built in large capacity memory can store 999 standard components, and a single component can set up 99 measuring areas and 159840 measuring point data at most
? Support break-point continuous test, and data collection is more convenient and humanized
? Support voice counting, measurement area conversion and component completion voice reminder
? Through data line connection and computer data processing software, the test data can be processed quickly and the test report can be issued
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Concrete Rebound Hammer Tester | Concrete Rebound Hammer Tester | Concrete Rebound Hammer Tester | Concrete Rebound Hammer Tester | Concrete Rebound Hammer Tester | Concrete Rebound Hammer Tester | |
Large size | ? | |||||
Voice counting | ? | ? | ||||
Printer | ? | |||||
Bluetooth | ? | |||||
LCD display | ? | ? | ||||
True color LCD display screen | ? | |||||
Difference | Simple structure and convenient carrying. Length of pointer: 20.0±0.2(mm) Friction of pointer: 0.65±0.15(N) The pointer is easy to adjust friction. The button applies stretching technics and is not easy to fall off | Nominal kinetic energy: 2.207J Stiffness of spring: 785 ± 30.0N/m Pointer length: 20.0 ± 0.2mm Pointer friction: 0.65 ± 0.15N Spherical radius of impact rod: R25 ± 1.0mm Test range: 10-60MPa | Integrated structure design, the rebound instrument host and rebound sensor combination, without any connection line, easy to carry. Using OLED display, 128X64 resolution USB communication port, and virtual U disk mode | Data processing standard: Submit to (JGJ/T23-2011). Standard impact energy: 2.207J Tension spring stiffness: 785 N/m Stroke of impact hammer: 75 mm Test value when calibrated on test anvil (qualified anvil like type JW225): 80 ± 2 | Advanced integrated design, small size, easy to operate. High definition OLED display screen Working temperature: ?40º~60ºC Measuring range: 10-70N/mm Automatic correction of impact direction | Measuring ranges: 10-60MPa Impact energy: 2.207J Spring constant: 785N/m Spring extension: 75±0.3mm The average rebound values on steel anvil: 80±2 |