Testing/Calibration Apparatus TRIZ Cases
- Flow Meter Calibration Apparatus with Automated Piston Cylinder
Automated piston cylinder replaces manual volumetric proving to eliminate operator error and accelerate calibration speed.
- FMCW Fill Level Sensor Fault Detection via Correlation
A fill level measuring device detects faults by comparing measurement signals with reference signals using cross correlation.
- Gas Flow Calibration via Optical Emission Spectroscopy
Optical emission spectroscopy measures gas concentration changes to calculate relative flow rates without absolute calibration.
- Radar Level Gauge Waveguiding Structure with Periodic Impedance Transitions
Periodic reference impedance transitions create a strong reference signal to determine propagation velocity without disturbing surface echo measurements.
- Electronic Pipette Backlash Compensation via Piston Position Feedback
A sensor measures piston backlash in an electronic pipette to adjust motor commands for precise liquid handling.
- Metering Unit Operability Check via Pressure Drop Comparison
A checking device compares pressure drops between metering units to verify operability without physical removal.
- Sensor Network Node Script Distribution via Coordinator
Coordinator node distributes control scripts to sensor nodes via wireless RF signals, eliminating physical access requirements and reducing configuration time.
- Hydrocyclone Condition Monitoring Using Neural Network PST Analysis
Neural networks transform complex acoustic vibrations into particle size parameters, reducing analysis errors caused by changing slurry characteristics.
- Calibratable Multidimensional Magnetic Point Sensor Design
A calibratable magnetic field sensor uses an asymmetrical excitation line to generate distinct calibration fields for simultaneous multidimensional detection.
- Capacitance Fuel Probe Simulation Circuit Using Virtual Capacitors
A simulation circuit uses a single reference capacitance and variable gain amplifiers to generate precise output signals.
- Photomultiplier Aging Compensation in Radiometric Level Measurement
Comparing two photon counters compensates for photomultiplier aging and temperature effects, ensuring stable radiometric filling level measurements.
- Upstream Mass Flow Verifier Dead Volume Compensation
An upstream mass flow verifier measures pressure decay and temperature to compensate for dead volume errors in non-pressure-insensitive mass flow controllers.
- On-Site Calibration Module for Fill Level Sensors
A calibration module determines remaining empty volume in pressure-tight containers using a gaseous medium and Coriolis flow meter.
- Radar Sensor Compensation Echo Curve Generation
Automatic compensation echo curve creation for radar level sensors using preliminary empty container data and detected amplitude maxima.
- Limit Level Switch Parameterization Using Environmental Influence Intervals
A parameterization method for limit level switches determines influence intervals for received signals based on environmental parameters.
- FMCW Radar Fill-Level Device Self-Diagnostic Method
A frequency-modulated continuous-wave radar device performs internal functional checks using distinct microwave signal frequencies.
- Rheometric Optical Encoder Background Correction
Point-by-point background subtraction corrects optical plate non-uniformities during fluid sample analysis.
- Fuel Level Indicator Diagnosis in Saddle Tanks via Pressure Correlation
A fuel level indicator diagnostic system correlates sensor outputs with tank pressure deviations during refueling events to assess gauge accuracy.
- Guided Microwave Level Measurement with Multi-Principle Integration
Merging guided microwave and capacitance methods within one structure improves measurement precision while managing device complexity.
- Medical Device Monitoring via Wavelet Transform Coefficient Analysis
Monitoring circuitry collects operational data from medical device components for analysis by a processing system.
- Orifice Plate Gas Flow Verification via Choked Pressure Decay
Choked flow orifice plate calculates actual gas flow rates from upstream pressure, eliminating offline validation delays and calibration drift errors.
- Vortex Flowmeter Signal Correction for Sensor Sensitivity Mismatch
Multiplying sensor signals by correction factors to form sum and wanted signals.
- Capacitive Probe Guard Electrode for Deposit Monitoring
Segmented probe electrodes eliminate deposit interference while maintaining measurement reliability.