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.
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Phone Number : 010-82600228

OLED Display HT-20D for mortar testing Sadt 0.1R Concrete Hammer Test Machine

Place of Origin Beijing
Brand Name SADT
Certification CE/ISO9001/ SGS
Model Number HT-75D
Minimum Order Quantity 1pc
Packaging Details Standard package
Delivery Time Within 3 days after receiving payment
Payment Terms T/T in advance, Western Union,paypal
Supply Ability 50pcs/week

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Product Details
Key Words Digital Mortar Hammer Accuracy ±0.1R
Impact Energy 0.075kgm (0.735Nm) Storage 1000 Parts, 256 Data For Each Part
Operating Temperature -40º-60ºC Power Supply 3.7V Li-ion Rechargeable Battery Charged Via USB Port
Model HT-20D Display OLED Dispaly
Waranty 1 Year
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Sadt Concrete Hammer Test Machine


0.1R Concrete Hammer Test Machine


OLED Display concrete rebound hammer

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Product Description

Digital Concrete Test Hammer HT20D For Mortar Testing




● 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 Bluetooth

● Dual display for analogue ruler and digital value



Model HT-20D
Type Digital Only
Display OLED Digital
Measuring Range 1-25N/Mm2
Accuracy ±0.1R
Impact Energy 0.020kgm (0.196Nm) For Testing Mortar Products
Communication USB2.0 Or Bluetooth (Optional)
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
Net Weight 1.1kg


Standard Package

HT-20D main unit 1

Grinding wheel 1

USB cable 1

USB charger 1

Software CD 1

Operation manual 1

Carrying case 1


Optional Accessory

Bluetooth micro printer


Digital concrete test hammer HT20D for mortar testing is designed in compliance with the mortar rebound method in national standard GB50315-2011-T Technical standard for site testing of masonry engineering (hereinafter referred to as the Standard), suitable for all types of Nondestructive Testing (NDT) of strength of ordinary construction mortar, especially suitable for spot quality inspection by engineering quality supervision institutions and supervision units, and can get the results of ordinary brick in real time; to reflect the fairness, scientific and accuracy of spot testing by engineering quality inspection institutions, greatly improving the efficiency, data processing and inspection report preparation.Features: integrated, compact; Based on the structure of traditional mechanical hammer, non-contact optical sensor is adopted to acquire the rebound data, no contact or friction between the optical sensor and the hammer, long service life; rechargeable built-in high-capacity lithium battery, low cost, to avoid high cost and environmental pollution etc brought by non-rechargeable alkaline batteries. Complete privilege management, fair and secure inspection; USB port for transferring data to PC; the data can be saved in Excel file via the software in PC, and directly generate the report format, convenient for later processing by software; large capacity storage for up to 1000 parts, up to 16 zones for each part, and up to 16 measuring points for each zone, fully meeting the inspection requirements.