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Hardness Tester
Our range of products include sonodur 3 ultrasonic & leeb portable hardness tester, sono m - motorised uci hardness measurement probes, sonodur r - automated uci hardness testing for production lines, sono l - leeb rebound sensors and sono h hand-held uci hardness testing probes.
Sonodur 3 Ultrasonic & Leeb Portable Hardness Tester
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Product Brochure
Product Details:
| Model Name/Number | Sonodur 3 |
| Brand | Institut Dr. Foerster GmbH & Co. KG, Germany |
| Weight | 320 g |
| Hardness Scale | HV, HB, HRB, HRC, HRE, HRF, HRA, HRD, HR45N, HK, HS, MPa |
| Size | 164 x 86 x 23 mm |
| UCI Standards | DIN 50159-1,2-2021, ASTM A1038- 2019 |
| Operating System | Android 7.0 |
| Leeb Probe Connectivity | Wireless (bluetooth) |
| Protection Grade | IP 65, MIL- G810 |
| Leeb Standards | ASTM A956, ISO 16859, GB/T 17394 |
| UCI Probe Configurations | Hand held, motor, tripod |
| Measurement Method | Ultrasonic Contact Impedence (UCI) and Leeb |
Suitable for most Standards in the field of mobile material testing
The mobile SONODUR 3 is robust, suitable for industrial use and specially designed and built for rough everyday use. It has a high functionality level similar to that of modern smartphones. The powerful energy concept has up to eight hours of battery life in continuous operation.
The software of the SONODUR 3 is based on the future-proof Android platform with almost any expansion possibilities. The device is thus ideally equipped for daily use as a "workhorse" in hardening and industrial plants with outdoor operations as well as for tasks that are increasingly being discussed today in connection with comprehensive communication in production lines, keyword IOT.
The SONODUR 3 masters the evaluations of the hardness testing methods UCI (Ultrasonic Contact Impedance) and the rebound hardness testing according to Leeb:
In the area of UCI hardness testing, the instrument works with cable-connected probes of the SONO-H/M/S series. These are available in different versions and test loads. Hand-held probes are available in the standard test loads 10 N, 30 N, 49 N and 98 N. Motor probes are available in 1 N, 3 N and 8.6 N versions. For tripod probes, there are test forces of 10 N, 49 N, 98 N.
The sensors for rebound hardness testing according to Leeb are connected wirelessly, via Bluetooth with the SONODUR 3. The SONO L rebound sensors are available in the D-C/D/G version.
The mobile high-tech all-rounder is used for quality control in incoming goods and during production, as well as for rapid hardness testing of metallic materials after heat treatment or surface processing. The system is also excellently suited for hardness testing at positions that are difficult to access and for mobile weld seam testing in confined spaces. The layer hardness measurement with several measuring points and its easy adjustment functions on almost all fine-grained, homogeneous materials round off the SONODUR 3's range of applications.
Your advantages at a glance:
· Industrial-grade, rugged design: Permanently available
· Multitouch software design based on Android: Easy and intuitive handling of the software. All information at a glance by means of graphical display of measured values and tolerance thresholds
· Data transmission via WLAN, Bluetooth, USB: Well prepared for future tasks
· Large, flat and armored color display incl. protective foils: Long service life, easy to clean
· Maximum flexibility: SONODUR 3 has the largest range of UCI test probes on the market
· Unique combination option with Leeb sensors via Bluetooth: 2 in 1 concept
· Standardized test method: UCI method - Our expertise for your safety
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Sono M - Motorised UCI Hardness Measurement Probes
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Product Details:
| Model Name/Number | Sono M Motorised UCI Probe |
| Size | 38.5 mm x 188 mm |
| Length of measuring tip | 33 mm |
| Connection | wired via Lemo plug connection |
| Material probe housing | Aluminium |
| Diameter measuring tip | 3.4 mm |
| Tip angle measuring tip | 136 degree |
| Penetration time | according to standard DIN EN 6607-1 |
| Material measuring tip | Diamant |
| Test method | UCI-method, according to DIN 50159-1,2-2021, ASTM A1038-2019 |
SONO M - Repeatable, uniform application of force into the material to achieve highly accurate measurements
The rugged, mechanical construction of the motorized measuring probes is designed for everyday industrial use. The massive housing made of anodized aluminum protects the sophisticated mechanics. This provides high long-term stability of the probe in order to guarantee high accuracy requirements for measurement precision. The modern signal processing in the probe with standard USB interface to the display device allows universal adaptation to most devices.
In addition, the probes can be used in a highly variable manner. Thanks to the integrated motor control, the adjustable test load application time (penetration time), and the variety of probe feet, the measurement can be controlled manually, semi-automatically or fully automatically.
Our motorized measuring probes can be used with both the SONODUR 3 mobile hardness tester and the SONODUR R, which was developed for fully automatic production.
The intelligent measuring system of each probe covers the entire hardness range of the classic Vickers scale. Motor measuring probes operate with significantly lower test forces than hand-held probes, making them particularly suitable for sensitive surfaces on which only minimal test indentations are to be made. The field of application includes thin, sensitive surface layers such as in the printing industry, for pistons and plating as well as sensitive components/materials or the measurement of surface hardness in the copper gravure printing industry or the automotive industry.
Our probes work according to the UCI hardness testing method. Here, the probe rod is excited to oscillate in longitudinal direction with its natural frequency. At the lower end there is a Vickers diamond which is pressed into the material to be tested. A defined load is applied via a spring system. When the Vickers diamond penetrates the specimen, this vibration is damped and a frequency shift occurs, which can be measured. From this frequency shift, we calculate the hardness value using the Vickers scale after the nominal test force has been reached with the final position of the motor and after the programmed penetration time has elapsed.
Your advantages at a glance:
· High reproducibility of the measured values: Almost constant, low scatter of the measured values even at high hardness for high-quality measurements
· A test procedure similar to the classic Vickers test: constant test load
· Maximum variability and flexibility: manual, semiautomatic or fully automatic measurements possible
· Conserve resources by minimizing test indentation: The method can be considered as low-destructive
· Small, handy test probes: Optimal access to the test positions to be measured
· Cost-saving: No need to destroy the component to be measured
· Mobile hardness testing on site
- During incoming goods inspection
- During production
- On already installed production parts in the field
· Easy to automate: Operator-independent measurements for even higher reproducibility of measured values
· Standardized test method: UCI method - Our expertise for your safety
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SONODUR R - Automated UCI Hardness Testing For Production Lines
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Product Details:
| Model Name/Number | SONODUR R |
| Brand | Institut Dr. Foerster GmbH & Co. KG, Germany |
| Automation Grade | Automatic |
| Weight | 3400 g |
| Hardness Scale | HV, HB, HRB, HRC, HRE, HRF, HRA, HRD, HR45N, HK, HS, MPa |
| Power | 24 V DC in / 1A min. |
| Size | 132 x 235 x 313 mm |
| Screen | 7 inch - PCT touch screen, TFT- display with LED lightning |
| Interfaces | Digital I/O, USB, RS232 |
| Test Method | Ultrasonic Contact Impedance (UCI) |
| Application | Ideally suited for use in fully automated production lines, but also for use as a benchtop device |
| Operating system | Android 7 |
| Standards | DIN 50159-1,2-2021, ASTM A1038-2019 |
SONODUR R
The world's only UCI hardness tester suitable for fully automated production lines with the possibility of 100% process monitoring in mass or series production
100% process monitoring in mass or series production
With its 19" housing dimensions, the SONODUR R is ideally suited to be used in fully automated production lines and as a tabletop device. The familiar android-based software of the SONODUR 3 is optimally adapted to the clear 7" LED touch screen of the SONODUR R.
Thanks to USB and a fully isolated, digital I/O interface, the device is currently the only fully automatable UCI hardness measuring system in the world. Setpoints can be used to directly control actuators such as good/bad sorting switches.
The SONODUR R combines all the advantages of the SONODUR 3 mobile hardness tester with the requirements of a device for integration into a fully automated process line.
All UCI SONODUR handheld and motor probes can be used without restrictions due to high-resolution, digital signal processing technology. The instrument works with wired probes of the SONO H/M/S series. These are available in different versions and test forces. Hand-held probes are available with standard test loads of 10 N, 30 N, 49 N and 98 N. Motor probes are available in 1 N, 3 N and 8.6 N versions.
The main areas of application are the measurement of series parts after heat treatment and/or surface processing as well as coating hardness measurement on gravure cylinders.
Your advantages at a glance:
· Safety and cost savings: fully automatable UCI hardness testing for 100% process monitoring
· Operator-independent measurements: Reproducible measurement for the highest quality requirements
· Maximum flexibility for a wide range of applications: Ideally suited for use in fully automated production lines, but also for use as a benchtop device
· Android-based software design: Easy and intuitive handling of the software
· Large number of commercially available interfaces: Max. Flexibility for connection to third-party systems
· The largest range of UCI test probes on the market: Maximum flexibility
· Test method UCI method - Our expertise for your safety
- Complies with DIN 50159-1,2-2021, ASTM A1038-2019
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Sono l - Leeb Rebound Sensors
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Product Details:
| Model Name/Number | SONO L |
| Brand | Institut Dr. Foerster GmbH & Co. KG, Germany |
SONO L – Leeb rebound sensors
Latest sensor technology for optimal measurement results
Due to the stable design, our Leeb rebound sensors are ideally suited for everyday use on massive components in the industrial work environments. The "2-in-1 concept" enables the parallel use of Leeb rebound sensors and UCI (Ultrasonic Contact Impedance) measuring probes with the SONODUR 3 device.
The measured values are evaluated via an app based on the future-proof Android software platform. All information is visible at a glance. The measured values are statistically summarized and individually displayed in result lists as well as by means of graphical representation and tolerance thresholds in a user-friendly manner. The measured values can be exported for further data processing.
The operating principle of the Leeb rebound method consists of accelerating an impact body, at the front end of which is a hard metal ball, with a defined energy against the surface of the material to be measured. The impact of the hard metal ball causes a deformation of the surface, which leads to a loss of acceleration energy. This energy loss is determined by measuring the velocity and from this a hardness value is calculated in Leeb.
Areas of application are large, solid test parts with a minimum component weight requirement of 5 kg and a minimum thickness greater than 25 mm (SONO HLD).
Your advantages at a glance:
2-in-1 concept: Rebound hardness measurement and UCI
(Ultrasonic Contact Impedance)
- Each SONODUR 3 can be easily retrofitted (SONODUR L App)
Calibration almost identical to UCI:
- Calculation of the Vickers hardness HV from the L-value
(LD and LG acc. to ISO 16859)
- Conversion to other hardness scales or tensile strength acc. to EN ISO 18265-2019,
ASTM-E 140-2019, EPRI correlation-P91-2020 (HV5/HV10 with HB) and others
Easy Handling: Immediate readiness for measurement, wireless transmission of measured values via bluetooth connection to SONODUR 3 - allows maximum flexibility and freedom in positioning the sensor on the component
Simple measured value adjustment possible through comparative measurement on alloys with different E-modulus analogous to UCI testing: adaptation of the Leeb number (HL) for complex systems such as cast iron (E-modulus 80 - 180 GPa), aluminium alloys with high silicon content (65 - 105 GPa), various non-ferrous metal alloys, etc.
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Sono H Hand-Held UCI Hardness Testing Probes
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Product Details:
| Model Name/Number | Sono H UCI probe |
| Brand | Institut Dr. Foerster GmbH & Co. KG, Germany |
| Size | 25 mm x 177 mm |
| Length of measuring tip | 13 mm (optional 40 mm) |
| Diameter measuring tip | 3.4 mm (optional 1.7 mm) |
| Tip angle measuring tip | 136 degree |
| Connection | wired via Lemo plug connection |
| Material measuring tip | diamond |
| Test method | UCI-method, according to DIN 50159-1,2-2021, ASTM A1038-2019 |
| Material probe housing | stainless steel |
SONO H - Stable and reproducible measured values
The hand-held measuring probes are designed for everyday use. The robust stainless-steel housing is corrosion resistant and the basis for the special, long-life probe technology that is inside.
Our hand-held measuring probes can be used with both the SONODUR 3 mobile hardness tester and the SONODUR R developed for fully automated production.
The intelligent measuring system of each probe covers the entire hardness range of the classic Vickers scale. The hand-held probes are suitable for measurements of metals, industrial ceramics and, with certain restrictions, also for highly heterogeneous materials such as cast iron (nodular cast iron e.g. GJS500).
Our probes work according to the UCI hardness testing method (Ultrasonic Contact Impedance). During this process, the probe rod is excited to vibrate in the longitudinal direction with its natural frequency. At the lower end there is a Vickers diamond which is pressed into the material to be tested. A defined load is applied via a spring. When the Vickers diamond penetrates the specimen, this vibration is damped and a frequency shift occurs, which can be measured. When the nominal test force is reached, we calculate the hardness value from this frequency shift using the Vickers scale and display it immediately.
The biggest difference in the method compared to the classical Vickers hardness test is, among other things, that the contact surface of the Vickers diamond is responsible for the frequency shift of the vibrating rod. Whereas in classical hardness testing, the impression of the diamond must be measured optically.
Your advantages at a glance:
· High reproducibility of the measured values: high-quality measurements
· Measurement time is only a few seconds: Allows many measurements and provides a quick decision basis for the operator
· High flexibility: largest range of probes with different test loads worldwide
· Minimal test pressure: The method can be considered as low-destructive and therefore saves your resources
· Small, handy test probes: Optimal access to the test positions to be measured
· Cost-saving: No need to destroy the component to be measured
· Mobile hardness testing on site
- During incoming goods inspection
- During production
- On already installed production parts in the field
· Easy to automate: Operator-independent measurements for even higher reproducibility of measured values
· Standardized test method: UCI method - Our expertise for your safety
Get Best QuoteRequest A Callback