Solids analyzer PMA

laboratoryfor quality controlfor testing

Product Information
The Pulsed Mechanical Analyzer (PMA) enables precise characterization of dynamic material behaviour under realistic pulsed loading. It determines the complex Young's modulus (E*), storage and loss moduli (E′, E″) and the loss factor (tan δ) in the millisecond contact-time regime across a wide frequency range (50–5000 Hz). Temperature-dependent measurements are available for application-oriented material data from −50 °C to +100 °C.

Key Features

• Pulsed measurement technology extending the capabilities of rebound-type testers with quantitative dynamic analysis.
• Determination of storage modulus, loss modulus, complex modulus and loss factor under pulsed excitation.
• Fast, application-oriented characterisation suitable for development and quality control.

Automated Testing
Fully automated measurement sequences with automatic specimen alignment minimise operator influence and ensure reproducible results. The system calculates storage modulus and loss factor without manual intervention. Contact times of 0.2–20 ms and maximum deformations of 20–80 % are handled reproducibly; complete sequences can be executed in approximately 20 minutes.

Temperature Measurement
An integrated temperature sensor records specimen temperature at every measurement point. Continuous temperature capture between measurements and configurable measurement intervals allow reliable material property determination at both elevated and sub-zero temperatures. Temperature-dependent tests can be performed down to −50 °C using pre‑cooled specimens stored in standard laboratory freezers.

BareissOne Software
BareissOne provides structured test plans, guided measurements and centralised analysis. Available as a standalone workstation or client-server solution, it offers a central database and user management. Selected third-party devices can be integrated depending on interface compatibility to increase transparency and process reliability in testing and QA.

Standards

• DIN 53512
• ASTM D7121

Measuring Method
Measurement of the complex Young's modulus (E*), the magnitude of the modulus |E| and the loss factor tan δ, as well as the complex compliance D*, as a function of time and temperature.

Areas of Application
Rebound resilience and pulsed measurement describe the material's elastic recovery after short-term pulsating deformation. These methods are suitable for assessing energy loss and damping behaviour and are particularly relevant for components exposed to impact loading, vibration or repeated mechanical stress.

Scope of Delivery

• PMA – Pulsed Mechanical Analyzer

Technical specifications

• Designation: PMA (Pulsed Mechanical Analyzer)
• Resolution: 0.01 %
• Dimensions (L × W × H): 66 × 23 × 42 cm
• Weight: approx. 53 kg
• Contact time: 0.2–20 ms
• Frequency range: 50–5000 Hz
• Constant deformation energy: 0.5 J
• Penetration depth*: 0.3–6 mm (depending on specimen Young’s modulus)
• Force range: 40–4000 N
• Temperature range: −50 °C to +100 °C
• Heating and cooling: via external temperature control unit
• Test modes: Temperature sweep, Time sweep
• Calculated parameters: penetration depth, force, energy (Wel, Wdiss), rebound resilience
• Mechanical / rheological parameters: E′, E″, E*, tan δ, J′, J″
• Shear parameters: shear stress (τeff and τmax), shear strain (ɣeff and ɣmax)
• Pendulum length: 200 mm
• Drop angle: 90°
• Impact velocity: 2 m/s
• Sample geometry: flat and even surfaces; sample thickness between 6 mm and 12 mm; diameters Ø35 mm – Ø45 mm
• Interface: 2 × USB
• Traceability: DAkkS-accredited calibration service and traceability of measurement and calibration data