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Calibrating materials testing machines and instruments

Benefit from our many years of experience in calibrating testing systems at Germany's biggest testing laboratory.

Our calibration service and laboratory have been accredited by the German Calibration Service (DKD( since 1994 and DAkkS-accredited since 2013. This shows that we clearly satisfy the requirements for testing and calibration laboratories as defined by DIN EN ISO/IEC 17025—your guarantee for accurate, independent, and efficient calibration services.

Everything Under One Roof

We are experts in many calibration methods, covering numerous standards. Our comprehensive materials testing machines and instruments calibration portfolio enables us to calibrate a wide variety of measurands. This includes accredited measurands such as force, length, mechanical work and hardness, plus many additional measurands so that we have the right solutions readily available for your machines and requirements.

Static or dynamic materials testing machines, pendulum impact tests, hardness testers or other testing machines—we can provide professional, traceable calibration for all. In addition to our own ZwickRoell materials testing machines and instruments, we can also calibrate testing machines made by other manufacturers.

Our Services

ZwickRoell is accredited by DAkkS to perform calibrations and issue calibration certificates as the highest form of documentation. Working with standardized processes we calibrate more than 10,000 materials testing machines and instruments a year, providing us with sound expertise and experience. This makes ZwickRoell the largest calibration laboratory for materials testing machines and instruments in Germany.

Accredited measurands

  • DAkkS Kalibrierung Kraft Zugrichtung
    Force in the tensile direction
    Calibration of force measuring device in the tensile direction from 0.02 N – 3,000 kN
    Force in the tensile direction
    Calibration of force measuring device in the tensile direction from 0.02 N – 3,000 kN
  • DAkkS Kalibrierung Kraft Druckrichtung
    Force in the compression direction
    Calibration of force measuring device in the tensile direction from 0.002 N – 5,000 kN
    Force in the compression direction
    Calibration of force measuring device in the tensile direction from 0.002 N – 5,000 kN
  • DAkkS Kalibrierung Länge
    Length
    Calibration of the extensometer in the tensile and compression directions from 0 mm – 1,500 mm
    Length
    Calibration of the extensometer in the tensile and compression directions from 0 mm – 1,500 mm
  • DAkkS Kalibrierung Mechanische Arbeit
    Mechanical work
    Direct calibration of pendulum impact testers from 0.2 J – 750 J as well as indirect calibration with reference specimens
    Mechanical work
    Direct calibration of pendulum impact testers from 0.2 J – 750 J as well as indirect calibration with reference specimens
  • DAkkS Kalibrierung Härte
    Hardness
    Direct and indirect calibration of hardness testers (Brinell, Vickers, Rockwell, Knoop, ball indentation methods)
    Hardness
    Direct and indirect calibration of hardness testers (Brinell, Vickers, Rockwell, Knoop, ball indentation methods)

Additional measurands

  • Kalibrierung Instrumentierte Schlagfinne
    Instrumented striking edges
    Calibration of the force of instrumented striking edges on pendulum impact testers
    Instrumented striking edges
    Calibration of the force of instrumented striking edges on pendulum impact testers
  • Kalibrierung Dynamische Kraft
    Dynamic force
    Verification of dynamic force on high-frequency pulsators (Vibrophores)
    Dynamic force
    Verification of dynamic force on high-frequency pulsators (Vibrophores)
  • Kalibrierung Drehmoment
    Torque
    Calibration of torque from 0.02 Nm – 2,000 Nm
    Torque
    Calibration of torque from 0.02 Nm – 2,000 Nm
  • Kalibrierung Winkel
    Angle
    Calibration of rotary encoder from 0° – 360° on TorsionLine testing machines
    Angle
    Calibration of rotary encoder from 0° – 360° on TorsionLine testing machines
  • Kalibrierung Schmelzindex MFR Volumenfließindex MVR
    Melt index (MFR)/volume flow index (MVR)
    Calibration of extrusion plastometers for melt index (MFR) and volume flow index (MVR)
    Melt index (MFR)/volume flow index (MVR)
    Calibration of extrusion plastometers for melt index (MFR) and volume flow index (MVR)
  • Kalibrierung Härte
    Special methods for hardness testing
    Calibration of hardness testers such as instrumented indentation tests (Martens) as well as Vickers and Brinell depth measurement methods
    Special methods for hardness testing
    Calibration of hardness testers such as instrumented indentation tests (Martens) as well as Vickers and Brinell depth measurement methods
  • Alignment-Messung
    Alignment
    Electronic measurement of the test axis alignment on materials testing machines with strain-gaged alignment specimens
    Alignment
    Electronic measurement of the test axis alignment on materials testing machines with strain-gaged alignment specimens
  • Kalibrierung Vicat HDT
    Vicat/HDT
    Calibration of Vicat/HDT heat deflection temperature with oil bath or contact heating
    Vicat/HDT
    Calibration of Vicat/HDT heat deflection temperature with oil bath or contact heating
  • Kalibrierung Temperatur
    Temperature conditioning devices
    Calibration of temperature from -40°C – 350°C in center of test chamber of temperature chambers
    Temperature conditioning devices
    Calibration of temperature from -40°C – 350°C in center of test chamber of temperature chambers
  • Kalibrierung Hochtemperatur
    High temperature
    Calibration of thermo-elements of high-temperature furnaces up to 1200°C
    High temperature
    Calibration of thermo-elements of high-temperature furnaces up to 1200°C
  • Kalibrierung Durchstoß Schlagfestigkeit
    Puncture and impact strength
    Calibration of drop weight, drop height and Piezo load cell on drop weight testers
    Puncture and impact strength
    Calibration of drop weight, drop height and Piezo load cell on drop weight testers

Read more for detailed information about the ZwickRoell calibration portfolio and the scope of our services.

Accredited measurands
Force Calibration of force measuring devices for materials testing machines to DIN 51220

In the tensile direction: from 0.02 N to 3,000 kN

In the compression direction: from 0.02 N to 5,000 kN

 DIN EN ISO 7500-1 DIN EN ISO 7500-1 Bbl. 1-3 DIN EN ISO 7500-2 ASTM E4
Length Calibration of length measurement devices of materials testing machines as per DIN 51220

In the tensile and compression directions: from 0 mm to 1,500 mm

 DIN EN ISO 9513 ASTM E83 ASTM E2309
Mechanical work Calibrating pendulum impact testers and impact testers From 0.2 J to 750 J DIN 51222 DIN 51230 DIN 52189 DIN 53512 DIN EN ISO 148-2 DIN EN ISO 13802 ASTM E23
Hardness Calibration of hardness testers to Brinell, Vickers, Rockwell, Knoop, and ball indentation methods DIN EN ISO 6506-2 DIN EN ISO 6507-2 DIN EN ISO 6508-2 DIN EN ISO 4545-2 DIN EN ISO 2039-1 ASTM F36
Hardness Calibration of loading devices of hardness testing machines from 10 g to 3,000 kg DIN EN ISO 6506-2 DIN EN ISO 6507-2 DIN EN ISO 6508-2 DIN EN ISO 4545-2 DIN EN ISO 2039-1 ASTM F36
Hardness Calibration of the optical indentation measurement device of hardness testing machines from 0 mm to 6 mm DIN EN ISO 6506-2 DIN EN ISO 6507-2 DIN EN ISO 4545-2
Hardness Calibration of the depth measurement device of hardness testing machines From 0 mm to 0.8 mm DIN EN ISO 6508-2 DIN EN ISO 2039-1 ASTM F36

Additional measurands
Dynamic force Verification of dynamic force on Vibrophores MIL STD - 1312 B
Torque Calibration of torque From 0.02 Nm to 2,000 Nm According to DIN EN ISO 7500-1
Angle Calibration of encoder on torsion machine from 0° to 360° According to DIN EN ISO 9513
Alignment Electronic measurement of the test axis alignment on materials testing machines with strain-gaged alignment specimens ASTM E 1012 Nadcap AC 7101 Nadcap AC 7122
Instrumented striking edges Calibration of the force of instrumented striking edges of pendulum impact testers EN ISO 14556
Puncture and impact strength Calibration of impact testers Mass of drop weight, drop height and Piezo load cell DIN EN ISO 6603-1 DIN EN ISO 7765-1
Special methods for hardness testing Calibration of hardness testers for instrumented indentation tests (Martens), Vickers and Brinell depth measurement methods DIN EN ISO 14577-2 VDI/ VDE 2616
Melt index (MFR)/volume flow index (MVR) Calibration of extrusion plastometers for melt index and volume flow index Load, piston stroke and temperature EN ISO 1133
Vicat/HDT Calibration of Vicat/HDT heat deflection temperature with oil bath or direct contact heating Load, depth travel and temperature DIN EN ISO 306 DIN EN ISO 75-1
Temperature device Calibration of temperature in center of test-chamber of temperature chambers from -40°C to 350°C According to DAkkS-DKD-R 5-7 Meth. C
High temperature Calibration of thermo-elements of high-temperature furnaces Up to 1,200°C According to DAkkS-DKD-R 5-3
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ZwickRoell benefits

What sets us apart

Kalibrierung Prüfmaschinen

Reliable test results—we calibrate more accurately than the standard requires

The range for calibration depends on the type of load cell on the materials testing machine, the machine electronics, and the display resolution. For ZwickRoell materials testing machines with high precision(HP) series load cells, the range is starts at 0.2% of nominal force; for other types the range starts at 0.4%. In this way we cover the full measurement range and ensure maximum result accuracy. The standards require a calibration range of 20 – 100% of the nominal load and five calibration stages. A ZwickRoell calibration certificate consists of 11 calibration stages.

Our flexibility is your success.

With over 100 highly skilled service technicians and calibration technicians, who benefit from a continuous training program, we have access to a large pool of knowledge and expertise. ZwickRoell service technicians are located in Germany, Austria, Switzerland, and Denmark, as well as in Benelux countries, enabling us to guarantee fast, flexible, and prompt on-site calibration service. Our flexibility and proximity to our customers are unique and are especially important to us.
Inspektion und Kalibrierung

Preventative inspections save you money in the long term

As part of our calibration service, we offer inspections carried out using checklists to reduce the risk of malfunctions or machine downtime and guarantee productivity. This means you save money on repair costs and spare parts in the long term. During these inspections, which only we as manufacturers can perform, our service technicians inspect your testing machines and are able to carry out minor repairs and adjustments on the spot. This inspection is especially important, since the normative directives DIN EN ISO 7500-1 specify the need for inspection prior to calibration.

Calibration Services Zwick USA - knowledge and expertise of service technician

ZwickRoell Service is reliable and competent

Each individual service technician is has outstanding skills and is regularly trained, as proven during each and every on-site visit. Service technicians carry personally assigned calibration equipment with customized adapters and the necessary reference sensors. To maintain DAkkS accreditations, reference sensors are recalibrated at prescribed intervals.
Kalibriertechniker vor Serviceauto
Kalibierung Pendelschlagwerk

Worldwide Accreditation

Whether here at home or abroad, ZwickRoell calibration laboratories are operated to the highest standards. In addition to our calibration laboratory in Ulm, we also operate calibration laboratories in Europe, Asia, and in North and South America. We are DAkkS accredited and we are also accredited by COFRAC, UKAS, A2LA, INMETRO, TÜRKAK and NABL. Mutual recognition of national accreditation bodies under the ILAC agreement, we ensure worldwide validity of your calibration certificate and test results.

Measurement System Analysis (MSA)

As part of inspection and calibration of your materials testing machines and instruments, we also perform an additional measurement system analysis (MSA). This serves as proof of suitability of the testing process in compliance with industry-specific standards that are highly relevant in the automotive (ISO/TS 16949), medical, and pharmaceutical industries. For destructive materials testing, Method 1 according to the Q-DAS guideline is used. This method checks for the accuracy and repeatability of a testing system's test results. A measured value is approached 50 times with a working standard (master) thus achieving an average value and standard deviation, so that together with a set value and a tolerance limit, a capability index of Cg and Cgk can be calculated. At a minimum this must reach a value of 1.33 to confirm the measuring instrument capability.

Additional Services

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