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

HT-225D HT-75D HT-20D Concrete Rebound Hammer High Accuracy ±0.1R With CE Certification

Place of Origin Beijing
Brand Name SADT
Certification CE ISO9001
Model Number HT-225D
Minimum Order Quantity 1pc
Price USD+300-1200+PCS
Packaging Details Standard package
Delivery Time Within 3 days after receiving payment
Payment Terms T/T in advance, Western Union
Supply Ability 50pcs/week

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Product Details
Memory 4000 Data Printer Blue Tooth Microprinter
Testing Range 10-100N/mm2 Impact Energy 0.225kgm (2.207Nm) For Testing Ordinary Building And Bridge Construction
Communication USB2.0 Or Bluetooth Printing Bluetooth Micro Printer (optional)
Storage 1000 Parts, 256 Data For Each Part Power Supply 3.7V Li-ion Rechargeable Battery Charged Via USB Port
High Light

oled display rebound hammer apparatus


oled display ndt hammer test


bluetooth ndt hammer test

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Product Description

Digital Concrete Test Hammer HT225D




HT-225D is an integrated digital concrete test hammer which combines data processor and test hammer into one unit. It is widely used for non destructive testing quality of concrete and building materials in finished structure or prefabricated blocks. From its rebound value, the compressive strength of con¬crete can be calculated out automatically. All testing data can be stored in memory and transferred to PC by USB cable or wireless by Blue tooth.


Key Features

  • High contrast OLED display
  • All setup can be made on site
  • Automatic calculating compressive strength
  • Automatic correction of impact direction
  • All data will be stored in memory
  • All data can be transferred to PC by USB cable or blue tooth(optional)
  • Dual display for analogue ruler and digital value





Model HT-225D HT-75D HT-20D
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

mortal or clay of products

Communication USB2.0 or Bluetooth(optional)
Storage data for 4000 concrete structures
Operating temperature -40º-60ºC
Power supply 3.7V Li-ion rechargeable battery charged via USB port
Dimension (mm) 280x75x60
Net weight 1.1kg


Standard package

HT-225D main unit 1
Grinding wheel 1
USB cable 1
USB charger 1
Software CD 1
Operation manual 1
Carrying case 1