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ET344 · Measuring Force & Pressure

Measuring Force & Pressure

A comprehensive course package for the ET platform: hands-on exploration of mechanical load and fluid dynamics measurement using industrial-standard sensors. This unified module features both the Force Card and the Pressure Card, powered and monitored by the ET300 base system, complete with guided multimedia courseware for the study of physical stress and pressure.
Experiments
  • Force Studies: Measurement of static and dynamic loads using Strain Gauge Load Cells, and analysis of torsional deflection using Torque Transducers
  • Pressure Studies: Measurement of pneumatic and hydraulic pressure using Piezoresistive and Piezoelectric sensors
  • Analysis: Comparative analysis of sensor sensitivity, hysteresis, and repeatability under various physical loads
  • Signal Routing: Routing of raw, unamplified transducer signals to external conditioning and instrumentation modules
ET344 Force and Pressure experiment cards
Description
    The platform teaches the fundamentals of measuring physical force and fluid pressure through guided, hands-on experiments.
  • The Force Card carries integrated strain gauge load cells and a dynamic torque transducer, paired with a mechanical load applicator to safely simulate real-world structural stress.
  • The Pressure Card features piezoresistive and piezoelectric pressure sensors alongside an integrated micro-pump to generate controlled pneumatic environments.
    • Both cards are designed strictly for measurement. Accessible measuring points expose the raw, unamplified outputs of each sensor, allowing students to patch these signals into separate signal conditioning cards to learn the full measurement chain.
Courseware
    The interactive multimedia course combines theory with guided experiments: principles of piezoresistivity, mechanical stress/strain relationships, fluid dynamics, and the necessity of signal conditioning. Student answers are evaluated automatically, and the full course—at least 8 hours of directed instruction (4 hours per card)—is available with multi-language support.
Scope of Delivery
  • 1x Force experiment card with integrated load applicator
  • 1x Pressure experiment card with integrated micro-pump
  • Storage case(s)
  • Multimedia course software with course browser
  • Connection cables
Specifications
    Sensors (Force) Strain Gauge Load Cell, Dynamic Torque Sensor
    Sensors (Pressure) Piezoresistive Sensor, Piezoelectric Sensor
    Actuators Mechanical Load Applicator (Linear/Torsional), Integrated Pneumatic Micro-Pump
    Measuring Points Raw Bridge Outputs (mV), Resistance Changes, Raw Voltage/Charge Outputs (mV)
    Supply Powered via base system, safety extra-low voltage
    Measurement Via base system virtual instruments (requires external instrumentation)
    Base System Requires ET300 (interface + experimenter) - not included

Part of package

Electrical Engineering Training System

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ET344 Force and Pressure experiment cards ET345 Optical and Acoustic experiment cards ET351 Signal Conditioning and Amplification experiment cards ET352 Signal Conversion experiment cards ET353 Dynamic Signal Processing experiment cards ET361 Display Card: Digital Counter and Bar-Graph

A modular electrical-engineering training platform built around virtual instrumentation. The ET300 base system hosts a family of course modules covering three-phase systems, multimeter measurement, network analysis, and sensor measurement technology for non-electrical quantities.

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