Concrete Rebound Hammer Manufacturers in Ajmer

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Concrete Rebound Schmidt Hammer

Metkorp Equipments Pvt. Ltd is a Leading Concrete Rebound Hammer manufacturing company in Ajmer. We offering Concrete Rebound Hammer at Best Price in Ajmer. The offered Concrete Rebound Hammer in Ajmer is valued by our patrons for their quality. The complete range of Concrete Rebound Hammer is having export quality supplying in Ajmer which is manufactured by using modern techniques under the observation of skilled professionals. The offered Concrete Rebound Hammer in Ajmer, is checked on various parameters by our quality controllers.

Concrete Rebound Hammers Manufacturer in Ajmer, Concrete Rebound Hammers Suppliers in Ajmer, Concrete Rebound Hammers in Ajmer. Concrete rebound Schmidt hammer (sclerometer) – is a device for strength testing of concrete and other building materials. The most common in the world instrument for measuring the strength of concrete is the Schmidt Hammer. The device is called by the name of the engineer Ernst Schmidt, who invented the construction of the sclerometer.

The method of the strength testing of concrete with using the Schmidt hammer is based on the impacting the striker on the concrete surface with predetermined (normed) impacting energy and after measuring the height of the striker rebounding. The height of the striker rebounding will be proportional to the strength of concrete. The strength of concrete is determined by the calibration charts which is supplied with the instrument.

Due to this instrument is very ease in operation, has good reliability of design and high measurement accuracy, so that this method is the most common method of measuring the strength of concrete in the world. The strength testing with the Schmidt hammer is correspond with ASTM C 805; ASTM D 5873 (for rock); DIN 1048, p. 2; ENV 206; EN 12 504-2; ISO / DIS 8045.

There are several variations of the measuring methods, which are different in impacting energy.
• The most "powerful" Schmidt hammer is designed to measure the strength of concrete with a thickness of 70-100mm and more, also for the strength testing of massive rocks with impact energy – 2,207J (Nm). This is the base and the most common model of Schmidt hammer, about 90% of the Schmidt hammers in the world have the same impact energy.
• Average "powerful" Schmidt hammer has the 735J (735 Nm) impacting energy. The impact energy is reduced threefold in compared with the base model. The main application of this instrument is measuring the strength of bricks and concrete products with a wall thickness less than 100 mm and small sizes of sample, also it used for testing the less strength stones and rocks.
• The least "powerful" Schmidt hammer has 196J (196Nm) impact energy. The main purpose is the strength testing the mortar of brick masonry.

Depending on the tasks user always need to select the correct model of Schmidt hammer. All models, independently of impact energy, are devices for non-destructive testing, so that they are not destroying the object of testing.

SPECIFICATIONS

 Names / model

Schmidt Hammer NOVOTEST SH-20

Measuring range of strength, MPa

1 – 25

Impact energy, J

196

Minimum thickness of testing object, mm

30 and more

Measurement accuracy, %

10

Hardness value of striker's working surface, HRC, no less

60

Surface roughness of the testing object, Ra um, no worse

40

Radius of indenter, mm

25

Operating temperature range, ° C

-20 … 50

Weight, kg, no more

1

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