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General| Throughput | Up to 400 tests per hour |
|---|---|
| Power Requirements | 100-240 VAC, 50/60 Hz |
| Sample Type | Serum, Plasma, Urine |
| ISE Module | Optional |
| Connectivity | Ethernet |
| Operating Temperature | 15 to 30°C |
| Operating Humidity | 20-80% |
Defines the intended use of the iChemVELOCITY system for automated urine chemistry analysis.
Provides guidance on effectively using the Operator's Manual for system operation and troubleshooting.
Highlights safety information, including tips, notes, cautions, and warnings for safe system operation.
Advises on safe handling of specimens and test strips to prevent pathogen exposure.
Provides contact details for Iris Diagnostics for customer support and feedback.
Explains the meaning of various symbols used on product labeling and the instrument.
Lists essential warnings, precautions, and limitations for safe and proper instrument operation.
Details critical safety measures for instrument setup, handling, power, and environmental conditions.
Specifies the environmental and electrical requirements for the iChemVELOCITY system installation and operation.
States that installation will be performed by a factory-trained representative.
Outlines the terms and duration of the product warranty provided by Iris Diagnostics.
Defines the limitations of liability for Iris Diagnostics regarding product use and damages.
Explains how the iChemVELOCITY system automates urine chemistry analysis using wavelength reflectance.
Details the analytes measured and the methods used, including specific gravity, color, and clarity.
Describes the key components of the iChemVELOCITY system, such as the sampler and barcode reader.
Explains the function of the sampler in moving test tube racks for analysis.
Details how the barcode reader identifies samples and provides patient identification data.
Describes the capacity and function of stations for loading and unloading test tubes.
Details the increased capacity when optional load/unload stations are connected.
Describes the strip provider module's capacity, stability, and function in delivering test strips.
Explains the system that moves test strips through various positions for analysis.
Details how the module measures strip pad colors to determine analyte concentrations.
Refers to sections detailing specific gravity, color, and clarity measurement modules.
Describes the fluid handling systems including the sample probe, wash station, and pumps.
Explains the function of the sample probe in mixing, aspirating, and dispensing samples.
Describes the function of the wash station in rinsing and discarding wash solution.
Details the pumps used for sample aspiration, dispensing, and cleaning fluidics.
Specifies the wash container and its capacity for supplying wash solution.
Covers waste management including strip disposal and liquid waste disposal.
Explains the automatic disposal of used test strips into a waste container.
Describes how liquid waste is discarded into a drain or a waste container.
Details the location and function of the ON button for placing the system in Standby.
Explains the meaning of the system status lights (Green, Blue, Red) and their combinations.
Describes the four types of racks used with the iChemVELOCITY system: sample, control, CalChek, and dilution.
Explains how patient samples are presented in sample racks.
Details the use of control racks for chemistry controls.
Describes CalChek racks for calibration checks of SG, Color, and Clarity.
Explains the use of the dilution rack for samples requiring microscopy after processing.
Describes the reagent-impregnated pads on test strips for chemical analysis.
Details packaging and compatibility requirements for iChemVELOCITY Urine Chemistry Strips.
Lists and describes peripherals connected to the system, including keyboard, mouse, monitor, and printer.
Explains the keyboard's use for entering specimen identifiers and data.
Describes the mouse's function for navigating software screens.
Explains the monitor's use for making selections on software screens.
Details the connection of a compatible printer via a USB port.
Outlines the software's capabilities, including mechanical control, automatic analysis, and user interface management.
Describes the status indicators on the screen, including lights, operator ID, and alarm information.
Explains how to access different screens (Specimen, Work List, Instrument) using the view selector.
Details the elements of the Instrument screen, including status, operator, and information panes.
Presents a summary of operator, calibration checks, QC, LIS status, manual orders, and system status.
Explains how alarms appear in the information area and are sorted by priority and date/time.
Lists and describes the functions available via buttons on the screen, such as Manual Orders, Consumables, and Maintenance.
Describes the Work List screen, which displays unreleased results and allows sorting and searching.
Explains the Found List screen for reviewing released results after a search.
Details how to sort the Work List by various criteria like Specimen ID or Date/Time.
Describes the process for deleting specimen results from the Work List or Found List.
Explains how to restore deleted specimen results back to the Work List.
Allows managers to correct specimen IDs, and any logged-in user to correct IDs with errors.
Explains how to add or edit patient demographic information for specimens.
Describes the function to print the entire Work List.
Details the function to re-report specimen results that have already been released.
Explains how to search archived specimen results using various criteria.
Describes how to search for specimens using their ID, either individually or within a range.
Details how to search for specimens based on their sequence number.
Explains how to search for specimens released by a specific operator or all operators.
Describes how to search for specimens processed within a specific date and time range.
Explains how to search for specimens based on demographic information like last name, first name, age, and location.
Details how to search for specimens based on patient age or age range.
Explains how to search for specimens based on location, matching LIS terminology.
Describes how to perform searches using multiple criteria simultaneously.
Option to filter search results for specimens pending transmission.
Option to filter search results for specimens that have already been released.
Option to filter search results for specimens pending completion.
Removes previously entered search parameters from the search fields.
Explains how flags are indicated in the status column and how to view flagged specimens.
Allows review of flagged specimens to clear flags and prepare for auto-release.
Prepares a flagged specimen for deletion, requiring resolution of the flag cause.
Details common flag messages like CHEMTRANSLATE and CHEM CONFIRM, with remedies.
Flag indicating mismatch between chemistry names/results and input settings.
Flag indicating results exceeded the user-defined confirmation threshold.
Indicates a failure by the barcode reader to read a specimen's barcode label.
Signifies an internal error detected by the system during processing.
Indicates an internal irrecoverable error, stopping new specimen processing.
Error related to instrument self-calibration failure with iChem Wash Solution.
Error related to the Color Clarity Specific Gravity module.
Normal condition where Specific Gravity result is >1.060.
Normal condition where Specific Gravity result is <1.000.
Displays detailed specimen results, including chemistry results, comments, and audit trail.
Explains how to navigate to the Specimen screen from the Work List.
Describes buttons on the Specimen screen like Delete Flagged Specimen, Review Flagged Specimen, Accept, Skip, Edit, and Work List/Found List.
Details how to edit Chemistry and Microscopy results, requiring 'Enable Detail Audit Trail'.
Provides steps for editing specific chemistry result values for specimens.
Explains how to manually enter microscopy results associated with chemistry results.
Describes how to access and view user-defined instrument settings.
Explains how to navigate to specific setup screens for configuration.
Details how to print the current instrument settings.
Explains how to access the settings log to review changes made to settings.
Describes restoring setting changes directly from the View Log.
Details restoring settings from an external source like a USB drive.
Explains how to save setting changes to an external source for backup.
Guides on how to view saved settings and convert them to XML format.
Manages authorized users and their privilege levels (Technologist or Manager).
Provides steps to add new users with specified identifiers, passwords, and privilege levels.
Details the process for removing existing operator accounts.
Explains how to modify operator information by deleting and re-adding the user.
Allows entry of laboratory-specific information for display on reports.
Configures system presence (microscopy/chemistry) and reporting units.
Enables and configures the presence of a chemistry system, potentially alongside a microscopy module.
Guides on setting up the primary chemistry system configuration and its parameters.
Details the process for configuring a backup chemistry system for redundancy.
Explains how to confirm system configuration changes and the need for a restart.
Configures communication settings for the Laboratory Information System (LIS).
Describes how to enable communication with the LIS by checking a specific box.
Allows selection of specific communication settings for the LIS through dropdown menus.
Options for obtaining specimen information and demographics from the LIS.
Determines if specimens should be skipped if LIS communication fails.
Enables fetching patient demographics data from the LIS.
Allows selection of required demographic fields for LIS data retrieval.
An option available when an iQ Series microscopy module is connected.
Allows configuration of chemistry-specific information like names, units, and thresholds.
Guides on editing chemistry abbreviations, long names, and units.
Details how to modify input/output values, moving, changing, or deleting them.
Confirms changes made to chemistry settings and the need for system restart.
Configures automatic sending of control results to printer or LIS.
An option available for iQ Series microscopy module configuration.
Controls whether barcode scan failures are flagged or not.
Determines if barcode scan failures are flagged as ID_ERROR.
Logs changes made to results, including the user who made them.
Sets username to [Auto] for auto-released results or displays the logged-in user.
Selects the destination for releasing results (Printer or LIS).
Option available for iQ Series microscopy module configuration.
Option available for iQ Series microscopy module configuration.
Option available for iQ Series microscopy module configuration.
Assigns a sequence number to samples and displays/prints it on reports.
Explains the logon process and how it activates specimen, worklist, and instrument functions.
Provides guidelines for collecting, storing, and preparing urine specimens for analysis.
Emphasizes the importance of testing specimens at room temperature for accurate results.
Notes that manual methods should be used for gross hematuria.
Specifies the minimum required specimen volume for analysis by the iChemVELOCITY.
Details the dimensions and examples of acceptable sample tubes for the system.
Provides instructions on applying barcode labels and loading tubes into sample racks.
Specifies accepted barcode types and orientation guidelines for proper reading.
Allows manual entry of a Work List for chemistry analysis when LIS is unavailable.
Explains how to navigate to the Manual Orders menu from the Instrument screen.
Guides on selecting rack numbers and entering specimen information for manual orders.
Describes how to clear specimen information from the Manual Orders screen or the Instrument screen.
Provides steps for running samples, including QC checks and sample loading.
Discusses replenishment of consumables without stopping measurements.
Details the procedure for loading urine chemistry strips into the strip loader.
Explains how to replace the wash solution container and filter when the wash level is low.
Lists part numbers for consumables like test strips, wash solution, and control kits.
Describes the use of Urine Control CA/CB/CC for checking system condition and accuracy.
Provides storage recommendations for QC materials, including refrigeration after opening.
Specifies the recommended frequency for running controls, typically every 24 hours.
Refers to the Consumables Traceability chapter for QC settings.
Details the steps and required items for performing a quality control run.
Outlines troubleshooting steps and actions to resolve QC failures.
Explains how to review and interpret QC results using the Quality Review screen.
Prints all QC results currently listed on the Quality Review screen.
Allows re-reporting of selected QC results, with destination options.
Allows managers to remove erroneous QC results with documentation.
Accesses the Quality Search screen to find QC data using specific criteria.
Displays control lot information in the QC search criteria.
Displays control types (CA/CB/CC, SG/Color/Clarity, Reflectance) in QC search.
Displays the status (passed-failed) of QC results in the search criteria.
Enables date and time range selection for QC searches.
Allows saving QC results for long-term storage in HTML format.
Details how to review and generate QC reports, including control name, lot ID, and analyte results.
Sends the QC report to the printer.
Saves QC results for long-term storage in HTML format.
Guides on saving all QC results to external media for long-term storage.
Details how to save an individual QC result for long-term storage.
Explains how to view QC statistics, including charts and reports for specific lot numbers.
Defines statistical terms used in QC, such as Mean, Standard Deviation, Coefficient of Variation, and Target Value.
Describes calibration check materials like Reflectance CalChek test strips and CalChek Reagents.
Details the use of CalChek strips for reflectance calibration checks.
Describes Specific Gravity, Color, and Clarity CalChek solutions.
Lists the SG CalChek solutions and their specific gravities.
Describes the color controls for CalChek, including their colors.
Details the clarity controls for CalChek and their clarity values.
Refers to package inserts for information on product storage and use.
Specifies that CalCheks should be performed quarterly or after instrument relocation.
Explains how to run the Reflectance CalChek procedure for instrument calibration verification.
Details the Reflectance CalChek procedure, including steps and notes.
Describes the procedure for performing SG/Color/Clarity CalCheks.
Provides troubleshooting steps for Reflectance and SG/Color/Clarity CalChek failures.
Outlines remedies for Reflectance CalChek failures, including repeating the check.
Provides remedies for SG/Color/Clarity CalChek failures, including repeating the check.
Explains that microscopy and chemistry tests are complementary and should be used for comprehensive evaluation.
Describes how to review unreleased results using the Work List and released results using the Found List.
Details the Work List screen, displaying unreleased results and allowing identification of flagged specimens.
Explains the Found List screen for reviewing released results after a search.
Details how to sort the Work List by various criteria like Specimen ID or Date/Time.
Describes the process for deleting specimen results from the Work List or Found List.
Explains how to restore deleted specimen results back to the Work List.
Allows managers to correct specimen IDs, and any logged-in user to correct IDs with errors.
Explains how to add or edit patient demographic information for specimens.
Describes the function to print the entire Work List.
Details the function to re-report specimen results that have already been released.
Explains how to search archived specimen results using various criteria.
Describes how to search for specimens using their ID, either individually or within a range.
Details how to search for specimens based on their sequence number.
Explains how to search for specimens released by a specific operator or all operators.
Describes how to search for specimens processed within a specific date and time range.
Explains how to search for specimens based on demographic information like last name, first name, age, and location.
Details how to search for specimens based on patient age or age range.
Explains how to search for specimens based on location, matching LIS terminology.
Describes how to perform searches using multiple criteria simultaneously.
Option to filter search results for specimens pending transmission.
Option to filter search results for specimens that have already been released.
Option to filter search results for specimens pending completion.
Removes previously entered search parameters from the search fields.
Explains how flags are indicated in the status column and how to view flagged specimens.
Allows review of flagged specimens to clear flags and prepare for auto-release.
Prepares a flagged specimen for deletion, requiring resolution of the flag cause.
Details common flag messages like CHEMTRANSLATE and CHEM CONFIRM, with remedies.
Flag indicating mismatch between chemistry names/results and input settings.
Flag indicating results exceeded the user-defined confirmation threshold.
Indicates a failure by the barcode reader to read a specimen's barcode label.
Signifies an internal error detected by the system during processing.
Indicates an internal irrecoverable error, stopping new specimen processing.
Error related to instrument self-calibration failure with iChem Wash Solution.
Error related to the Color Clarity Specific Gravity module.
Normal condition where Specific Gravity result is >1.060.
Normal condition where Specific Gravity result is <1.000.
Displays detailed specimen results, including chemistry results, comments, and audit trail.
Explains how to navigate to the Specimen screen from the Work List.
Describes buttons on the Specimen screen like Delete Flagged Specimen, Review Flagged Specimen, Accept, Skip, Edit, and Work List/Found List.
Details how to edit Chemistry and Microscopy results, requiring 'Enable Detail Audit Trail'.
Provides steps for editing specific chemistry result values for specimens.
Explains how to manually enter microscopy results associated with chemistry results.
Covers routine and periodic maintenance tasks for the iChemVELOCITY system.
Highlights universal precautions for handling contaminated materials during maintenance.
Details daily maintenance tasks such as emptying waste containers and cleaning instrument surfaces.
Provides steps for emptying and cleaning the waste container after specific intervals.
Explains the proper procedure for discarding liquid waste from the instrument.
Details how to clean the sample transport module to remove deposits.
Provides steps for cleaning the optional load/unload trays.
Explains how to clean the exterior surfaces of the instrument.
Notes that consumables can be replaced while the instrument is running or in standby.
Outlines weekly maintenance tasks, including cleaning the strip provider module.
Details the procedure for cleaning the strip provider module based on system throughput.
Covers monthly maintenance tasks, such as cleaning the wash station bath and strip conveyor system.
Provides steps for cleaning the wash station bath using cotton swabs and deionized water.
Details the procedure for cleaning the strip conveyor system by dipping it in soapy water.
Outlines quarterly maintenance tasks, including performing Reflectance and SG/CC CalCheks.
Refers to the Calibration Verifications chapter for performing Reflectance CalChek.
Refers to the Calibration Verifications chapter for performing SG/CC CalChek.
Refers to a previous section for replacing wash solution components.
Covers maintenance tasks that should be performed only when necessary.
Details cleaning the tube detector window if tubes are missing.
Provides steps for cleaning the barcode reader window.
Explains how to clean the optical sensors on the sample transport module.
Details procedures for preparing the system for shutdown exceeding one week to prevent damage.
Provides instructions for starting up the system after a prolonged shutdown period.
Explains how to prime the system lines using a control rack and diluent.
Refers to running CalChek procedures.
Refers to running the control rack for QC.
Guides on how to access the Maintenance menu from the Instrument screen.
Lists and describes various maintenance options available in the menu.
Allows running a Reflectance Calibration Check.
Reserved for Service Technicians.
Resets the software counter for discarded test strips.
Details the procedure for backing up instrument configuration and data.
Allows restoring instrument configuration and results from a backup.
Describes the system identifier, software version, and accessioned specimens.
Allows obtaining detailed information on tests and controls run over a period.
Displays an error log of the chemistry system.
Explains how to shut down the instrument and software.
Restarts only the user interface software for changes or error resolution.
Optimizes computer performance by defragmenting the drive.
Scans the disk for errors and corrects them.
Resets the software counter for discarded test strips.
Details the procedure for backing up instrument configuration and data to external media.
Guides on restoring instrument configuration and data from backup media.
Displays system identifier, software version, and specimen accession count.
Provides detailed information on tests and controls run over a specific period.
Displays an error log of the chemistry system.
Explains the procedure for shutting down the instrument and software.
Restarts only the user interface software for changes or error resolution.
Optimizes computer performance by defragmenting the drive.
Scans the disk for errors and corrects them.
Lists common alarm messages, their causes, and remedies for the iChemVELOCITY system.
Alarm for too many unreleased results in memory.
Alarm for having too many unreleased results in memory.
Alarm indicating failure to communicate with the LIS.
Alarm indicating a setting change requiring restart or a system error.
Alarm indicating an error in the Chemistry System.
Alarm for failure to pass QC controls.
Alarm indicating failure of the Reflectance Calibration Check.
Alarm indicating failure of the SG/Color/Clarity Calibration Check.
Alarm indicating low wash solution level.
Alarm indicating the system is out of test strips or a strip jam.
Alarm indicating the waste strip container is full.
Alarm indicating the chemistry strip waste container may be full.
Refers to alarm messages related to consumables.
Provides guidance on diagnosing and resolving common system issues.
Details troubleshooting steps for test strip jams in the strip provider module.
Explains how to clear a jam in the strip provider module.
Provides troubleshooting for jams occurring on the strip conveyor module.
Describes how to resolve issues when a rack cannot enter the sampling position.
Guides on switching to a backup chemistry system if the primary system is not functioning.
Explains how to switch back to the primary chemistry system after it has been restored.
Details how to access internal components for maintenance or troubleshooting.
Provides step-by-step instructions for accessing the strip provider module.
Details the procedure for accessing the strip conveyor module for cleaning or jam clearance.
Provides a template for logging daily, monthly, and as-needed maintenance activities.
Explains the Data Management function for applying filtering rules to results.
Describes how to create customized rules for managing and filtering results.
Details the screen used for defining and managing custom rules.
Displays the last selected rule, its conditions, and associated tags.
Accesses the Configuring Rules Tags screen.
Intended for IT personnel to view rules in programming language.
Adds and specifies the position of a filtering condition to a selected rule.
Specifies conditions to be deleted from a selected rule.
Confirms filtering conditions when imported rules are not compatible with system setup.
Imports pre-populated rules created by Iris Diagnostics.
Creates an unnumbered rule with user-defined fields and conditions.
Deletes the selected rule after displaying a warning.
Saves selected rule parameters to an empty selection or overwrites an existing rule.
Saves the selected rule after changes have been made.
Guides on importing rules created by Iris Diagnostics into the system.
Explains how to manually create customized rules specific to the laboratory.
Details creating numbered rules that can be tagged.
Describes creating unnumbered rules for customized search criteria.
Guides on adding a single filtering condition to a rule.
Explains how to add multiple conditions to a rule using AND/OR logic.
Details how to delete specific conditions from a rule.
Explains how to save the selected rule after making changes.
Applies filtering rules to specimen results and takes actions based on user tagging selection.
Lists available tags: Validation Flag, Info Pane, LIS, and Report tagging.
Prevents auto-release of results if selected for a rule and conditions match.
Signals in the Information pane for the operator to review the sample.
Provides specific messages to be sent to the LIS.
Incorporates reporting tags for displayed and printed reports.
Guides on using the Tagging button to apply tagging to rules.
Allows tagging rules directly from the Building Custom Rules screen.
Enables creation of detailed, customized reports using search and data management criteria.
Adds criteria from Data Management rules to the Search screen for advanced reporting.
Shows results of data management operations, including patient reports with tags.
Example of a patient report showing rule output, comments, and rule modification status.
Allows tracking of system consumables and verifying lot usage.
Provides information on calibration, controls, wash solution, and test strips.
Explains automatic entry via barcodes and manual entry for consumables.
Allows entry of strip lot information and QC data for each analyte.
Displays consumables traceability data and allows printing or saving reports.
Prints the consumables list.
Saves consumables traceability data to a file.
Adds a new consumable record to the traceability list.
Edits an existing consumable record.
Validates entries and returns to the Consumables window.
Cancels entries or changes and returns to the Consumables window.
Details the fields required for documenting new consumables.
Explains how to edit fields for an existing consumable record.
Describes how to delete a consumable record and enter a deletion comment.
Explains how to print the consumables list for reporting.
Explains software detection of expired QC/Calibration material and chemistry strips.
Details how expired QC/calibration material usage is indicated and handled.
Lists alarm messages related to expired chemistry test strips.
Alarm for expired IRISpec CA™ control material.
Alarm for expired IRISpec CB™ control material.
Alarm for expired IRISpec CC™ control material.
Alarm for expired chemistry strip.
Alarm for expired IRISpec CA™ control material, with override option.
Alarm for expired IRISpec CB™ control material, with override option.
Alarm for expired IRISpec CC™ control material, with override option.
Alarm for expired chemistry strip, with override option.
Alarm for expired SG/Color Clarity control material.
Alarm for expired SG/Color Clarity control material, with override option.
Alarm for expired Reflectance Check control material.
Alarm for expired Reflectance Check control material, with override option.
Allows managers to override lockouts for expired consumables.
Guides on how to access and enable the expired consumable lockout override function.
Allows searching for consumables based on lot number and displaying usage information.
Describes the analytical performance and agreement of the iChemVELOCITY system.
States the system demonstrates >95% agreement within +/- 1 color block.
Lists report ranges for various analytes in conventional, SI, and qualitative units.
Provides report ranges for Protein in different units.
Lists report ranges for Blood (Hemoglobin) in different units.
Provides report ranges for pH values.
Lists report ranges for Nitrite.
Provides report ranges for Leukocytes.
Lists report ranges for Ascorbic Acid.
Provides report ranges for Specific Gravity.
Lists color and clarity descriptions and their associated values.
Lists the descriptions for urine color: Colorless, Straw, Yellow, Amber, Red, Blue.
Lists the descriptions for urine clarity: Clear, Slightly Cloudy, Cloudy, Turbid.
Details the analytical sensitivity and measuring range for various urine analytes.
Defines analytical sensitivity as the concentration giving a positive result for 67% of samples.
Compares the performance of the iChemVELOCITY system with commercially available urinalysis systems.
Presents data on exact and +/- 1 grade agreement for various analytes compared to another system.
Refers to package inserts for expected values and ranges.
Details the precision of the iChemVELOCITY system, including Within Run, Day-To-Day, and Instrument-to-Instrument precision.
Shows exact % agreement for analyte concentrations tested multiple times within a single run.
Shows exact % agreement for analyte concentrations tested over consecutive days.
Shows exact % agreement for analytes tested across multiple iChemVELOCITY systems.
Shows exact % agreement for analytes tested using different strip lots.
Presents day-to-day precision data for Specific Gravity over 20 days.
Shows day-to-day precision results for color and clarity measurements over 20 days.
Presents tables showing clinical concordance for various analytes compared to another system.
Clinical concordance data for Ascorbic Acid.
Clinical concordance data for Bilirubin.
Clinical concordance data for Blood.
Clinical concordance data for Glucose.
Clinical concordance data for Ketones.
Clinical concordance data for Leukocytes.
Clinical concordance data for Nitrite.
Clinical concordance data for pH.
Clinical concordance data for Protein.
Clinical concordance data for Urobilinogen.
Clinical concordance data for Specific Gravity.
Explains the principles and limitations of various urine chemistry tests.
Explains the Bilirubin test principle, expected values, sensitivity, performance, and limitations.
Explains the Urobilinogen test principle, expected values, sensitivity, performance, and limitations.
Explains the Ketones test principle, expected values, sensitivity, performance, and limitations.
Explains the Ascorbic Acid test principle, expected values, sensitivity, performance, and limitations.
Explains the Glucose test principle, expected values, sensitivity, performance, and limitations.
Explains the Protein test principle, expected values, sensitivity, performance, and limitations.
Explains the Blood test principle, expected values, sensitivity, performance, and limitations.
Explains the pH test principle, expected values, performance, and limitations.
Explains the Nitrite test principle, expected values, sensitivity, performance, and limitations.
Explains the Leukocytes test principle, expected values, sensitivity, performance, and limitations.
Notes that Specific Gravity is determined by refractometry, not strip chemistry.
Explains that color and clarity are measured using proprietary algorithms.
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