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The Original, digitally redefined.
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000 Concrete strength and uniformity testing using rebound hammer technology
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000
Original Schmidt OS8000

Schmidt Rebound Hammers

Original Schmidt OS8000

Concrete strength and uniformity testing using rebound hammer technology

  • Strength estimation made simple and at a fraction of the cost
  • Comprehensive mobile apps and web-based functionality enhancing productivity
  • Original Schmidt components

Applications:

Estimation of compressive strength of concrete / Mapping of concrete uniformity / Control of concrete curing for formwork removal

The most advanced R-value hammer ever made. Less coring, with concrete strength and uniformity evaluation
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Simplicity
Test on-site and share results up to 80% quicker compared to analog hammers. Eliminate operator errors thanks to automatic impact angle correction and series evaluation according to standards.
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Productivity
Cloud synchronization of your measurements. Comprehensive mobile apps and web-based functionality enhances productivity and makes instantaneous reporting possible.
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Reliability
All mechanical components are Original Schmidt components to ensure durability and standards compatibility.
Schmidt App
The Original, now connected
  • Free updates & releases
  • Customer-centric development
  • Ahead of any other solution

The legendary and the Original Schmidt rebound hammer and its Swiss-made accuracy is now even more flexible and connected. Measure, evaluate and fully report even the most extensive inspection projects within just minutes.

Download the app and explore the state of the art of concrete testing

  • Free updates & releases
  • Customer-centric development
  • Ahead of any other solution

The legendary and the Original Schmidt rebound hammer and its Swiss-made accuracy is now even more flexible and connected. Measure, evaluate and fully report even the most extensive inspection projects within just minutes.

Download the app and explore the state of the art of concrete testing

Schmidt App
Custom materials
  • Flexibility for all applications
  • Correlation to custom materials in accordance with major standards
  • Apply user-defined corrections for carbonation, form factors, …
  • Flexibility for all applications
  • Correlation to custom materials in accordance with major standards
  • Apply user-defined corrections for carbonation, form factors, …
Schmidt App
Compliance to standards
  • Select standard units and form factors
  • Hammer verification management according to requirements of major standards
  • Automated EN13791 test region screening report
  • Select standard units and form factors
  • Hammer verification management according to requirements of major standards
  • Automated EN13791 test region screening report
Schmidt App
Collaboration and easy reporting
  • Visual report generation using lists, bar charts and statistics
  • Single and multiple series export in PDF or CSV format
  • Logbook annotations for full traceability (geolocation, text, images, voice)
  • Visual report generation using lists, bar charts and statistics
  • Single and multiple series export in PDF or CSV format
  • Logbook annotations for full traceability (geolocation, text, images, voice)

SWISS MADE_horizontal lockup.svg
Software for Schmidt App
Schmidt App
Tech Specs
Workflow features
Voice read-out of each impact (only on iOS®)
Logbook with geolocation, audio, image and text annotations
Series statistics
Single series reporting: PDF, CSV Test-region reporting (multiple series): PDF, CSV, uniformity report, EN13791 characteristic strength report

Display
Any compatible Apple® iOS device
(please see App Store for details)
Any supported Android™ device
(please see Google Play Store for details)

Measurements
Test region reporting
Select units, form factor and correlation curves
Create your own custom curves
Create custom curves databases for your own mixes

Verification features
Options: EN12504-2, Manufacturer's recommendation, JGJ-T23
User reminder when verification check on the anvil is required
User guidance for verification procedure

Cloud features
Cloud synchronization
Cloud-enabled Logbook
Cloud-based report generation

Report Generation
Single, multiple series, test region (uniformity, EN13791)

Languages
English, German, Japanese, Chinese, Korean, Spanish, Portuguese, Italian, French, Russian
Original Schmidt OS8000 Tech Specs
Instrument
Tech Specs
Instrument Firmware
Automatic calculation of rebound value according to international standards

Display
Analog & backlit digital (100 x 100 pixels, graphic)

Impact Energy
2.207 Nm (N), 0.735 Nm (L)

Compressive Strength Range
10 to >100 N/mm2 (1'450 to>10'152 psi)

Memory
Instrument memory > 20,000 impacts
Display memory - Memory of iOS or Android device

Connections
Low energy Bluetooth®, USB for charging and updates

Measurements
Impact angle independent
Displays the series on-screen as you work
Series validity checked automatically
Review an entire series
Delete impacts

Battery
Standard AAA, alkaline or rechargeable

Battery Lifetime
> 20,000 impacts between charges

Operating Temperature
0° to 50°C

Languages
English, German, Japanese, Chinese, Korean, Spanish, Portuguese, Italian, French, Russian
Other customers also purchased:
Our Accessories
34001301
Portable anvil OS8000 N/L
34001301-portable-anvil-os8000.webp
Portable anvil OS8000 N/L
Portable anvil for the OS8000 N/L
For on-site calibration check as recommended by EN12504-2
31009040
Testing anvil EURO N/L​
OriginalSchmidtAnvil_2.png
Testing anvil EURO N/L​
Testing anvil for the Original Schmidt N/L, OS8000 N/L​
For regular calibration check as recommended by EN12504-2
34001067
Bluetooth printer set​
Bluetooth printer set .png
Bluetooth printer set​
For use with the OS8000, OS8200, PS8000, RS8000​
Including printer, charging cable, belt loop and 1 roll of registration paper​
Standards & Guidelines

Standards

Asia-Pacific
  • Arrow, click names to download Standards & Guidelines JCSE-G504
China
  • Arrow, click names to download Standards & Guidelines JGJ-T23
Europe
  • Arrow, click names to download Standards & Guidelines EN12504-2, EN13791
Russia
  • Arrow, click names to download Standards & Guidelines GOST 22690-2015
  • Arrow, click names to download Standards & Guidelines ACI 228.1R
  • Arrow, click names to download Standards & Guidelines ASTM C 805
  • Arrow, click names to download Standards & Guidelines ISO 1920-7
  • Arrow, click names to download Standards & Guidelines JIS A1155
FAQ

How should I apply impact angle correction to my rebound hammer test result?

Here it is necessary to differentiate between classical rebound hammers (R-value) and the Silver Schmidt hammers (Q-value). Classical rebound hammers require an impact angle correction when the impact is not carried out...

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Which conversion curve should I use with my rebound hammer?

There is no simple answer to this question.
The answer depends on the region you are in and the standards you are working to. In China for example there are standardized correlation curves, which may be selected in the...

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How do I create a custom materials curve for my rebound hammer?

In order to create a custom materials curve, it is necessary to record rebound values at a number of locations in the structure where cores will be taken. Alternatively, rebound measurements can be made on standard cubes...

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Is it possible to use the mushroom plunger with the Original Schmidt OS8000?

No, it is not possible. The mushroom plunger was specifically designed or use with the Silver Schmidt OS8200 type L. It extends the range of the hammer down to approximately 5 MPa and is typically used for the...

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What are the formulae used in the compressive strength correlation curves in the OS8000 and OS8200 rebound hammers?

The formulae used in the compressive strength correlation curves in the OS8000 and OS8200 rebound hammers can be found in the Schmidt Hammer Conversion Curve Database below:

1. Original Schmidt OS8000 Type N

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