Rebound Hammer

Pioneers in the industry, we offer matest digital concrete or rebound hammer (model: c386m) and calibration all brand rebound hammer from India.

MATEST Digital Concrete or Rebound Hammer (Model: C386M)

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₹ 95000 / Piece Get Latest Price

Product Brochure
Measuring Range120 MPa
Hammer TypeN
Usage/ApplicationLaboratory
Model Name/NumberMatest C386M
Impact energy2.207 Nm
BrandVertex
Country of OriginMade in India
Waterproof levelIP65
Screen size64x124
Resolution160 x 128

Minimum order quantity: 10 Piece

This digital concrete test hammer, microprocessor operated, entirely designed and manufactured by Matest with advanced technology, performs basic concrete testing with continuous automatic recording of all parameters in accordance with EN 12504-2 Specifications, register and process data and then transfer them to a PC The unit consists of the standard mechanical model C380, but equipped with an electronic transducer that measures the rebound values and supplies automatically the results on a graphic display.

This digital concrete test hammer, microprocessor operated, entirely designed and manufactured by Matest with advanced technology, performs basic concrete testing with continuous automatic recording of all parameters in accordance with EN 12504-2 Specifications, register and process data and then transfer them to a PC The unit consists of the standard mechanical model C380, but equipped with an electronic transducer that measures the rebound values and supplies automatically the results on a graphic display.

During test performing:

  • Shows index value
  • Shows average index value
  • Allows to select measuring system in N/mm2 (MPa) or Psi
  • Shows numbers of performed rebounds
  • Shows date and time
  • Identifies tested element
  • Identifies automatically and shows rebound angle
  • Shows battery life

Main features:

  • Possibility to store, display on graphic LCD 64×124 and download data to PC over 20000 tests
  • Automatic statistical processing and readings
  • Automatic conversion of rebound index to equivalent compression strength in psi, N/mm2, kg/cm2
  • High accuracy and resolution

Dimensions with case: 330x180x120 mm
Weight: 3 kg

NOTE: The digital Matest test hammer is suitable to be connected to the Ultrasonic Tester high performance mod. C372M for combined ultrasonic and rebound tests with automatic data acquisition, processing and store of the results.

Calibration All Brand Rebound Hammer

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₹ 2500 / Piece Get Latest Price

MaterialStainless Steel
Model Name/NumberVSLIC-CALIBRATION
Usage/ApplicationLaboratory
Warranty1

Minimum order quantity: 1 Piece

Rebound hammer calibration ensures the accuracy of concrete strength estimations by verifying the hammer's performance against a known standard. Calibration involves testing the rebound hammer on a calibrated anvil, typically with a Rockwell hardness of 66, and ensuring the rebound number falls within a specified range, usually 80 ± 2. Regular calibration, before and after testing, and after any repairs, is crucial for reliable results. Detailed Explanation:
  1. 1. Purpose of Calibration:Rebound hammers are used to estimate the compressive strength of concrete based on the rebound value, which is the distance the hammer's mass rebounds after impacting the concrete surface. Calibration ensures that the hammer is providing accurate readings by comparing its performance against a known standard. 
  2. 2. Calibration Process:
    • Equipment: A calibration anvil, usually with a specific hardness (e.g., Rockwell 66), is used. 
    • Procedure: The rebound hammer is impacted against the anvil in multiple directions (e.g., four directions, three times each), and the rebound number is recorded for each impact. 
    • Verification: The recorded rebound numbers are compared against the specified range (e.g., 80 ± 2). If the readings fall within the range, the hammer is deemed calibrated. 
    • Digital Hammers: Digital rebound hammers should also be checked to ensure consistency between the mechanical reading and the digital display. 
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Dr. Anshul Johri (CEO)
Vertex Scientific And Lab Instruments Co
A223, Ground Floor, Near By Bank Baroda
New Delhi - 110015, Delhi, India

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