Concrete Test Hammer

Products Specifications

Concrete test hammer

Model: HT-225

Standards: GB/T9138-1988, JJG817-93 , JGJ/T23-2011 

Description 

The concrete test hammer is used to test the compressive strength of general concrete structure components thus to evaluate the quality. Delivery with a standard test block, plastic carrying case English manual and calibration certificate. This model is pointer display, it’s kind of the most common concrete non destructive test equipment.

Features                                        

●Center guiding rod made of imported high quality material guaranteed high accuracy and good wearing resistance

●Enclosure made of Super-hard aluminum to avoid scratch and extend the tooling life.

●Pointer slider external positioned makes it easier for adjustment and reach uniform friction, guaranteed the accuracy. 

Technical Specifications

Test range: 10-70Mpa

Nominal impact energy: 2.207J (0.225Kgf.m)

Spring stretch length: 75±0.3mm

Pointer slider static friction: 0.65±0.15N

Impact rod sphere radius of curvature (SR): 25mm±1mm

Average rebound value again anvil (Rm): 80±2

Overall size: Φ54×278mm

Net weight: 1Kg

Packing weight: 2kg

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