Turbidity Calibration Correction Apparatus for Dry Standard Compensation
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Solution Overview
Problem
Existing turbidity measurement apparatuses require regular calibration, and differences in calibration standards and apparatuses lead to variations in measured turbidity values, causing calibration inaccuracies.
Innovation Solution
A turbidity calibration-correction apparatus that includes a turbidity calibration standard, a memory to store correction-values based on measured turbidity values, and a communicator to transfer apparatus identities and correction-values for automated calibration-correction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If regular calibration is performed using different calibration standards (e.g., dry standard instead of Formazine), then maintenance efforts are reduced and ease of operation is improved, but measurement precision deteriorates due to differences in turbidity values between standards
Solution Approach 1:
The patent introduces a calibration correction apparatus that acts as an intermediary between the turbidity measurement apparatus and the calibration standard. This intermediary device stores pre-determined correction values that compensate for the systematic differences between different calibration standards (e.g., dry standard vs. Formazine), allowing the measurement apparatus to achieve accurate results regardless of which standard is used.
Solution Approach 2:
The patent changes the parameter being calibrated by using correction values stored in the calibration correction apparatus. Instead of directly calibrating the measurement apparatus with different standards, the system stores and applies correction factors that adjust the measurement results, thereby maintaining measurement precision while allowing flexibility in standard selection.
2Ease of operation
If the same dry standard is used across different turbidity measurement apparatuses, then ease of operation is improved, but measurement precision deteriorates because the same dry standard yields different values on different apparatuses
Solution Approach 1:
The calibration correction apparatus serves as an intermediary that compensates for apparatus-specific variations. Each turbidity measurement apparatus has its own calibration correction apparatus storing correction values tailored to that specific device, thereby eliminating inter-apparatus variability while maintaining the ease of using dry standards.
Solution Approach 2:
The patent applies local quality by providing customized correction values for each specific turbidity measurement apparatus. Instead of using a universal correction approach, each apparatus receives tailored correction factors that account for its specific optical characteristics and alignment, ensuring measurement precision is maintained across different devices.
3Productivity
If automated calibration correction is implemented, then productivity is improved and time is saved, but device complexity increases due to the additional calibration correction apparatus and memory components
Solution Approach 1:
The calibration correction apparatus enables self-service calibration. The system automatically retrieves and applies the appropriate correction values from its memory based on the identified turbidity measurement apparatus, eliminating the need for manual calibration procedures and reducing the skill level required for operation.
Solution Approach 2:
The system implements feedback by automatically identifying the turbidity measurement apparatus (through communicator exchange of apparatus identity) and selecting the corresponding correction values from memory. This automated feedback loop ensures the correct correction is applied without user intervention, improving productivity while keeping the complexity management simple.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus simplifies turbidity calibration by providing automated correction based on stored attribute-values, reducing errors due to optical misalignment and other factors, and allowing the use of dry standards instead of Formazine, thereby reducing maintenance efforts.
Implementation Method 1
Turbidity is a measure of cloudiness, haziness, or amount of scattering of a medium. This may be caused by large numbers of individual particles that stray light within the medium.
Data Source
AI summary
A turbidity calibration-correction apparatus is configured for an automated calibration-correction of a turbidity. The calibration-correction apparatus includes: a turbidity calibration standard configured for calibration of the turbidity measurement apparatus, a memory configured to store an attribute-value including at least a correction-value that is a function of a turbidity value of the turbidity calibration standard measured by the turbidity measurement apparatus, where the calibration-correction is based on the correction-value, and a communicator configured to transfer at least an identity of the turbidity measurement apparatus and the correction-value from the turbidity measurement apparatus to the calibration-correction apparatus.