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Schmidt rebound hammers for concrete and rock testing

Models

SilverSchmidt
Original Schmidt
DigiSchmidt
Schmidt OS-120
RockSchmidt

Descriptions

The SilverSchmidt is a unique integrated concrete test hammer featuring true rebound value calculated from the quotient of the impact velocity and rebound velocity to provide maximum accuracy. 

The classic Original Schmidt hammer that became the basis of every major rebound hammer testing standard worldwide. Includes the NR and LR versions to record the rebound values directly on registration paper. 

The DigiSchmidt is a digital version of the classic Original Schmidt with a display unit that allows the direct reading and display of the test results. 

The Schmidt OS-120 pendulum hammers are designed to test on softer material such as light weight concrete, gypsum boards, fresh concrete and the mortar of joints in brickwork. 

The RockSchmidt is a variation of the SilverSchmidt adapted specifically for rock testing applications such as UCS correlations or to predict penetration rates for tunnel boring machines and rotary drum cutters. 

Your Benefits

Automatic calcuation of rebound value according to international standards  Automatic calcuation of rebound value according to international standards
 
Best in class correlation with least dispersion for specific concrete mixes  Best in class correlation with least dispersion for specific concrete mixes
 
Extremely durable with long service intervals when compared with classical hammer  Extremely durable with long service intervals when compared with classical hammer
Various models with different impact energies to cover a wide range of applications  Various models with different impact energies to cover a wide range of applications
 
Proven durability and quality compared with low cost copies  Proven durability and quality compared with low cost copies
 
Established Proceq Swiss Made accuracy and reliability  Established Proceq Swiss Made accuracy and reliability
Automatic calcuation of rebound value according to standards  Automatic calcuation of rebound value according to standards
 
Proven durability and quality compared with low cost copies  Proven durability and quality compared with low cost copies
 
Established Proceq Swiss Made accuracy and reliability  Established Proceq Swiss Made accuracy and reliability
Only rebound hammer that provides a test result at compressive strengths below 5 Mpa  Only rebound hammer that provides a test result at compressive strengths below 5 Mpa
 
Large, half circular scale with high resolution  Large, half circular scale with high resolution 
 
Two models for fresh concrete and mortar applications  Two models for fresh concrete and mortar applications
Correlations to UCS using both ASTM and ISRM recommendations as well as user defined statistis  Correlations to UCS using both ASTM and ISRM recommendations as well as user defined statistis
 
No need to manually record the impact values in the field  No need to manually record the impact values in the field
 
Extremely durable with long service intervals when compared with classical hammer  Extremely durable with long service intervals when compared with classical hammer

Applications

Uniformity testing

In-situ strength estimation

Custom correlation to compressive strength

Low strength (<5 Mpa) concrete testing

Quality testing of mortar in brickwork

Rock testing

Large paper rolls

L

L

Features

Instrument Firmware

Predefined curves

Custom curves

Form factor correction

Impact angle correction

Carbonation correction

User defined and Standardized statistics

Single button programming of settings

Predefined curves

Custom curves

Form factor correction

Impact angle correction

Carbonation correction

User defined and Standardized statistics

Custom curves

Correlation to UCS

Correlation to E-modulus

Weathering according to ISRM

Rebound according to ASTM and ISRM

Single button programming of settings

PC Software

Hammerlink for rapid uniformity testing with the summary view, user defined conversion curves (polynomial and exponential), user defined statistical methods and export to third party software (PC N and PC L versions only)

ProVista for storage and data evaluation

RockLink for data assessment and export to third party software

Display

Integrated digital display

Mechanical display

Digital display of rebound number. Mechanical display on Chinese version

Mechanical display

Integrated digital display

Memory

400 series of 10 measurements (PC N and PC L versions only)

250 series of 10 measurements

400 series of 10 measurements

Connections

USB interface to PC

Serial connection to PC

USB interface to PC

Standardization

Standards

  • EN 12504-2
  • EN 13791
  • ASTM C 805
  • ГОСТ 22690
  • EN 12504-2
  • EN 13791
  • ASTM C 805
  • JGJ/T 23
  • JIS A 1155
  • ISO/DIS 8045
  • ASTM D 5873 (Rock)
  • ГОСТ 22690
  • EN 12504-2
  • EN 13791
  • ASTM C 805
  • JGJ/T 23
  • JIS A 1155
  • ISO/DIS 8045
  • ASTM D 5873 (Rock)
  • ГОСТ 22690
  • EN 12504-2
  • EN 13791
  • ASTM C 805
  • JGJ/T 23
  • JIS A 1155
  • ISO/DIS 8045
  • ASTM D 5873 (Rock)
  • ASTM D 5873 (Rock)

Guidelines

  • ACI 228.1R
  • ACI 228.1R
  • ACI 228.1R
  • ACI 228.1R

ISRM – Aydin A., ISRM Suggested method for determination of the Schmidt hammer rebound hardness: Revised version. Int J Rock Mech Mining Sci (2008), DOI:10.1016/j.ijrmms.2008.01.020.

Accessories

Measurement Accessories

  • Mushroom plunger (341 90 005)
  • Registration paper Model NR/LR (5 rolls/pack) (310 99 072)

Verification Tools

  • SilverSchmidt Premium Calibration Certificate (341 89 000)
  • SilverSchmidt Testing anvil (341 10 400)
  • SilverSchmidt Anvil Premium Calibration Certificate (341 89 001)
  • Original Schmidt Premium Calibration Certificate (310 89 000)
  • Testing anvil Euro “N/NR/ND/L/LR/LD” (310 09 040)
  • Euro Anvil Premium Calibration Certificate (310 89 002)
  • Testing anvil Euro “N/NR/ND/L/LR/LD” (310 09 040)
  • Euro Anvil Premium Calibration Certificate (310 89 002)

Testing anvil „P/PT/PM“ (310 10 000)

  • SilverSchmidt Testing anvil (341 10 400)
  • SilverSchmidt Anvil Premium Calibration Certificate (341 89 001)

Contact Person

Ms. Faridiah Ratih T

0811-1013-559
diah@mtglobalindo.co.id

Mr. Edis Nasihin

0813-1764-1424
edis@mtglobalindo.co.id

Copyright 2018 @ MTGlobalindo. All right reserved.

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