brick test hammer

concrete test hammer, Brick Test hammer, Mortar Test hammer, High Strength Test hammer, Voice digital Test hammer, concrete hardness test hammer, Concrete Rebound Test Hammer, rebound test hammer HT-75  Brick  Test  Hammer Consistent with B/T9138-1988 standards. This instrument applies to non-destructive testing the strength of sintered common brick is also suitable for lightweight aggregate concrete and other lightweight materials strength testing. 1) Center guide rod using imported materials, high precision, wear-resistant; 2) Use of super-hard aluminum shell to avoid on-site work injury apparatus, to extend the service life; 3) Pointer slider with external spring ring structure, both convenient for the friction adjustment, and ensures that the pointer shaft and pointer slider friction uniform, to ensure the accuracy of the instrument. Peer-products it is relatively high accuracy, quality and cheap, long service life. Particularly suitable for the small brick factory to use. Technical   Data Impact energy: 0.735J Spring extension: 75mm The static friction of pointer slider: 0.5 +/-0.1N Radius of spherical tip : 25 +/-1mm The average rebound values on steel anvil: 74 +/-2 Housing dimensions: Φ54*268mm Weight: ≈1Kg Incidental  Items  with  Instrument 1. HT-75 Brick Test Hammer, 2. Desiccant, 3. Millstone 4. Technical Information with Instrument 5. Manual of HT-75 Brick Test Hammer 6. Product Certification, 7. Product three packs of Cards 8. Packing List