Paul Frame
    Thank you very much for all your help regarding the SADT Concrete Hammer and hardness tester which are working well and we are very pleased with it.
Contact Person : Hu
Phone Number : 010-82600228

Automatic Calculating Compressive Strength Integrated Rebound Hammer

Place of Origin CHINA
Brand Name SADT
Certification CE, ISO9001, SGS
Model Number HT-225DS
Minimum Order Quantity 1
Price USD200-1000/Pcs
Packaging Details carrying case with carton
Delivery Time 2-5 days
Payment Terms Western Union, T/T, PAYPAL
Supply Ability 400 pcs per month

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Product Details
Language English Display OLED
Accuray +/-0.1R Memory 1000 Parts, 256 Data For Each Part
Measuring Range 10-100N/mm2 Impact Energy 0.225kgm (2.207Nm)
Communication USB2.0 Or Bluetooth Certification ISO9001/CE/SGS
Warranty 1 Year
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Integrated Digital Rebound Hammer


Automatic Calculating Compressive Strength Rebound Hammer


Integrated rebound hammer

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Product Description


HT-225DS Digital Rebound Apparatus is a product designed according to Technical Regulations for Concrete Compressive Strength Test by Rebound Method (JGJ/T23-2001) (hereinafter referred to as Regulations) and developed in order to meet actual requirements for the field test of concrete compressive strength, applicable to the non-destructive testing of common concrete compressive strength in all kinds of construction engineering. It is specifically applicable to the on-site quality sampling inspection by Engineering Quality Supervision Institutions and Supervising Units, for the compressive strength test result of the inspected concrete structure can be got immediately; when the Construction Quality Testing Institution carries out on-site test for real construction objects, it can further reflect the fairness, scientificity and accuracy of the
test, greatly improving the working efficiency of testing, data processing and inspection report formation.

Structure of Concrete Test Hammer

The Concrete Test Hammer is mainly composed of flip system, value-indicating system and shell component.Its structure is shown in Fig.1. The diagram shows the state that the impact hammer has finished impact in the test and the pushbutton has locked the movement,ie.retaining state of resilience value.


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Key feature
High contrast OLED display
All setup can be made on site
Automatic calculating compressive strength
Automatic correc tion of impact direction
All data will be stored in memor y
All data can be transferred to PC by USB cable or Bluetooth
Dual display for analogue ruler and digital value
Digital/Mechanical 2-in-1


Model HT-225DS HT-225D           HT-75D HT-20D
Type Digital/Mechanical 2-in-1 Digital Only
Display OLED digital
Measuring range 10-100N/mm2 1-25N/mm2
Accuracy ±0.1R
Impact energy 0.225kgm (2.207Nm) for testing ordinary building and bridge construction 0.075kgm (0.735Nm) for testing small and impact-sensitive parts of concrete or artificial brick 0.020kgm (0.196Nm) for testing mortar products
Communication USB2.0 or Bluetooth
Printing Bluetooth micro printer (optional)
Storage 1000 parts, 256 data for each part
Operating temperature -40º-60ºC
Power supply 3.7V Li-ion rechargeable battery charged via USB port
Dimension (mm) 280x75x60


Sino Age Development Technology, Ltd. (SADT), established in 1993, is a leading manufacturer for measuring and testing instrument, specialized in NDT and quality control fields. We have our own HARTIP series portable hardness testers since 1995. We are professional producer with ISO 9001 quality system. Most of the products are applied with CE certificate.

Now our main products cover hardness tester, ultrasonic thickness gauge, concrete test hammer, gloss meter, colorimeter, roughness tester, metallurgical microscope, ultrasonic flaw detector and so on. We have exported our products in batch quantity to overseas market since 1996. Our main overseas markets are: USA, Canada, Germany, France, Netherlands, Finland, Italy, Czech Republic, Poland, Lithuania, Estonia, Serbia, Russia, Greece, Turkey, Australia, New Zealand, Korea, Taiwan, Singapore, Thailand, Indonesia, Malaysia, Vietnam, India, Pakistan, Iran, UAE, Egypt, South Africa, Mexico and Columbia, Peru and etc. All products supplied by SADT have excellent quality and competitive price with our best service.


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