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Advanced Instruments OsmoTECH XT, Service Manual

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Advanced Instruments OsmoTECH XT Service Manual Download Page 52

OsmoTECH XT Single-Sample Micro-Osmometer Service Guide

52

 

Appendix D: 

Known limitations

• 

Additives such as anticoagulants from collection tubes may contribute to the measured osmolality.

• 

Particulate matter can cause premature crystallization, such as sample pre-freeze. The particulate matter may be 
eliminated by centrifugation. It may also be eliminated in urine by filtration.

• 

Samples with air bubbles do not freeze reliably and may yield inaccurate results.

• 

Samples allowed to evaporate will yield higher osmolality values.

• 

Non-aqueous solutions will not yield accurate results. The OsmoTECH XT is intended to test aqueous solutions only.

• 

Highly viscous solutions may not freeze reliably and may yield inaccurate results.

• 

High concentrations of ethanol, acetone, methanol, isopropanol, ethylene glycol, diethyl ether, paraldehyde, 
trichloroethane, or propylene glycol may not freeze reliably and may yield inaccurate results.

Summary of Contents for OsmoTECH XT

Page 1: ...OsmoTECH XT Single Sample Micro Osmometer Service Guide 235006EN Rev 3 ...

Page 2: ...anced Instruments The following are trademarks of Advanced Instruments OsmoTECH Protinol Clinitrol Employees of Advanced Instruments have reviewed this guide thoroughly Although material contained within is believed reliable the accuracy and completeness are not guaranteed or warranted and are not intended to be representations or warranties concerning the product described Screenshots and images ...

Page 3: ...3 4 7 Testing the printer 24 4 8 LCD 24 4 9 Testing the solenoid 24 4 10 Logging instrument maintenance and repair 24 Logging routine instrument cleaning 25 Logging preventative maintenance 25 Logging repair information 26 Chapter 5 Configuring settings 27 5 1 The Settings screen 27 Default user accounts 27 5 2 Setting the date and time 27 Synchronizing to a network time server 27 Entering the dat...

Page 4: ...46 Chapter 7 Troubleshooting 47 7 1 General errors 47 7 2 Errors during calibration 47 7 3 Errors during testing 47 7 4 Recovering the Administrator account 48 Appendix A Performance characteristics 49 Appendix B Product specifications 50 Appendix C OPC UA Features and Configuration 51 C 1 OPC UA overview 51 Functional equivalence 51 Cross platform support 51 Security 51 Information modeling 51 Ap...

Page 5: ...our OsmoTECH XT contact the Customer Service department US or Canada Toll free phone 800 225 4034 from 8 00 AM 4 30 PM Eastern time Outside the US or Canada Phone 1 781 320 9000 Email orders aicompanies com Technical Service For any questions or problems related to operation or service contact the Technical Service department US or Canada Toll free phone 800 225 4034 from 8 00 AM 4 30 PM Eastern t...

Page 6: ...tandard ten 2 mL ampules 3MA400 Reference solutions and controls Item Clinitrol 290 Reference Solution ten 2 mL ampules 3MA029 Osmolality Linearity Set 5 levels ten 2 mL ampules 3LA028 Protinol Protein Based Serum Controls 3 levels nine 5 mL vials 3MA028 Other standards Item Part 50 mOsm kg Calibration Standard ten 2 mL ampules 3MA005 100 mOsm kg Calibration Standard ten 5 mL ampules 3LA011 200 mO...

Page 7: ...he product must have an IEC 60320 connector Plug the product into an approved grounded electrical outlet Exposure to AC voltage could lead to electric shock burn or electrocution Please be aware of any exposure of AC voltage in the power cord Do not disable the power cord grounding pin If an extension cord or power strip is used make sure that the cord or strip is rated for the product and that th...

Page 8: ...presence of internal components that could be damaged by static electricity This symbol alerts users to the presence of biological substances that may pose a threat to the health of living organisms primarily that of humans This symbol indicates potential puncture hazards users keep hands clear This symbol alerts the user to the presence of a specific component that could be damaged by static elec...

Page 9: ...y cause undesired operation of the device Le présent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autorisée aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radioélectrique subi même si le brouillage est susceptible d en compromettre ...

Page 10: ...molality is a valuable in process test that provides a reliable and repeatable value that reflects overall solute content of a solution Osmolality is a critical indicator used throughout the bioproduction process to assure the highest quality and yield of biologics It should be a routine and frequent check to prevent costly loss of product or suboptimal production and to ensure the process is with...

Page 11: ...l description Mechanically the OsmoTECH XT contains the four major components shown in the diagram and listed below Thermal Printer optional Power Supply and Controls Assembly Osmometer Module Display Assembly 110 240 VAC 50 60 Hz Sample Handling Assembly Testing is performed in this osmometer module The sample handling assembly monitors and controls the sample probe cooling assembly and actuator ...

Page 12: ...ircuits The instrument uses three RS 232 ports Communication to display PCB Communication to scanner Communication to printer A transceiver IC handles the level translation of all three ports Sample cooling assembly circuits The sample cooling assembly circuit PCB controls the following TEC cooling block Two fans used to exhaust air from the power box and remove heat from the TEC module Activation...

Page 13: ...ner thermoelectric module cooling activation of the solenoid and the A D reading of the Wheatstone bridge circuits of the sample probe and block probe Cradle switch assembly The cradle switch is part of the sample handling assembly It informs the processor whether the cradle is fully inserted or is pulled back RFID assembly The RFID assembly reads and updates the count of sample tips in the test k...

Page 14: ...trical requirements Your instrument must be located within five feet of a properly grounded three prong electrical outlet capable of continuously supplying 0 5 amperes at 100 240 VAC 50 60 Hz If the instrument is not grounded properly its operation may be impaired and a safety hazard may exist Verify that the outlet is appropriate before operating the instrument Do not disable the grounding plug 2...

Page 15: ...ars after starting up follow the associated instructions Preventative Maintenance Required Perform any scheduled maintenance and record it on the DIAGNOSTICS MAINTENANCE screen see Logging preventative maintenance Installation date not set Refer to the User Guide Follow the instructions in the next section Setting the installation date Setting the installation date If the installation date of the ...

Page 16: ...ments recommends that you test appropriate reference solutions daily to verify the calibration For more information see the Daily procedure section of the OsmoTECH XT User s Guide p n 235005UG If the instrument has been serviced especially if any instrument hardware was replaced If the ambient temperature has changed more than 5 C since the last calibration In any other circumstances where calibra...

Page 17: ...0 3000 and 4000 mOsm kg H2O Instrument configured for low range calibration 0 500 and 1500 mOsm kg H2O Instrument configured for high range calibration 1500 3000 and 4000 mOsm kg H2O 5 Follow the onscreen instructions to test samples from each specified standard five times NOTE Test samples of known standards depending on the configured operating range Low range calibration 0 500 and 1500 mOsm kg ...

Page 18: ... test fails or is canceled for any reason the instrument does not save that calibration data instead it maintains the last successful calibration The date of the last successful calibration is displayed on the Calibration screen 3 5 Canceling calibration Press at any time to cancel a calibration test in progress or the entire calibration process Canceling the test in progress To cancel the particu...

Page 19: ...on Confirm good technique Confirm sample handler is in good condition Check for particulates in sample Out of range Low Out of range High Cause The result for the calibrator is below above the expected range for that calibrator group Action Make sure you are using the correct calibrator Sample did not freeze See Troubleshooting Sample pre freeze See Troubleshooting Test timeout See Troubleshooting...

Page 20: ...e maintenance and repairs of instrument and save to instrument events database To access the Diagnostics menu 1 Press on the Home screen to open the Main menu 2 Press Diagnostics from the Main menu to open the Diagnostics menu From the Diagnostics menu you can press a button to select a function described in the following sections or you can press the Home button to return to the Home screen 4 2 T...

Page 21: ...00 Ω Readings outside this range might point to issues with the A D see Contacting Advanced Instruments for service contact information 6 When you are finished working on this screen press Exit to return to the Diagnostics menu 4 3 Checking consumables status The Consumables function allows you to check the status of the instrument s consumables test kit NOTE The test kit must be positioned correc...

Page 22: ...code of a supported type a few inches in front of the barcode scanner If successful you hear a beep and the barcode information displays on screen 3 Press Exit to return to the Diagnostics menu 4 6 Viewing and exporting events An event is defined as any action that occurs with the instrument including but not limited to System errors Settings changes User added or deleted Power up Controls added o...

Page 23: ...mat s and export location see Configuring data export Filtering the Events list To make the events list more manageable you can filter the results to display only a subset of results 1 Press to display the Filter screen 2 Enter filter criteria in one or more parameter fields Event Type Select an item from the list to display Only SETTINGS function change events Only instrument operations that ende...

Page 24: ... Press DIAGNOSTICS LCD to open the LCD diagnostics screen 2 Press Exit to return to the Diagnostics menu 4 9 Testing the solenoid Press DIAGNOSTICS SOLENOID to open the Solenoid diagnostics screen To test that the instrument solenoid is working from this screen To activate the solenoid test press Impact Press Exit to return to the Diagnostics menu 4 10 Logging instrument maintenance and repair All...

Page 25: ...instructions To record a maintenance event complete the following steps 1 Press DIAGNOSTICS MAINTENANCE and log in 2 Press the PREVENTATIVE MAINTENANCE tab 3 Select the Advanced Instruments Preventative Maintenance checkbox to record the maintenance event 4 Press to enter the name of the Advanced Instruments trained service engineer required who performed the maintenance 5 Press EDIT to type a Com...

Page 26: ...he service engineer performing the repair by completing the following steps 1 DIAGNOSTICS MAINTENANCE and log in 2 Press the REPAIRS tab 3 Press to enter the name of the Advanced Instruments trained service engineer required who repaired the instrument 4 Press EDIT to type a Comment required up to 1024 characters to explain the repair s performed 5 Press Save 6 Press Exit to return to the Diagnost...

Page 27: ...se by Advanced Instruments trained service engineers If Require reason for all change in Settings is enabled on the RESTRICTIONS AUDITING tab users are required to enter the reason for each change made from the SETTINGS screen before the change is saved see Configuring testing access 5 2 Setting the date and time The instrument has a built in real time clock RTC to keep track of the current date a...

Page 28: ... access and time format Otherwise clear the Use Regional Format Settings checkbox and enter the Date Year and Time formats and the Delimiter as needed 6 Press SAVE 5 3 Changing the language The language is set to English at the factory You can change it to one of nine other languages 1 Press LANGUAGE and log in 2 Select a language and press SAVE 3 Press Exit to return to the Settings menu NOTE If ...

Page 29: ...ing communications A network administrator can help you set up or troubleshoot the instrument to connect to a network in order to send data back up files or use a network time server Configuring a LAN connection The instrument can connect to a computer or other devices over a local area network LAN 1 Plug an Ethernet cable into the Ethernet connector see Setting up networking communications 2 Pres...

Page 30: ...the OPC UA change to take affect 7 Power on the instrument Enabling the web server Use the embedded web server to view and print information such as results status and data logs from a network computer or mobile device 1 Connect the instrument to the network using an Ethernet cable 2 Press NETWORKING and log in 3 Press the WEB SERVER tab 4 Select Web Server Enabled 5 Press to change the number of ...

Page 31: ...and event data on a computer or mobile device NOTE The date format used on web server screens are based on the system setting see Setting the date and time Click on SYSTEM INFORMATION to display this information about the instrument Click on RESULTS to display a table of results records Click on EVENTS to display a table of event records Use these buttons to update print and analyze displayed inst...

Page 32: ...cted the results store as LIS Pending indicated by a number in the LIS indicator circle When the link is restored the data is sent and the indicator number goes to 0 Select Manually to have the system accumulate test results in the results database until a user sends it to the LIS from the Results screen see the Results chapter in the OsmoTECH XT User s Guide p n 235005UG 5 6 Managing instrument d...

Page 33: ...lder screen Otherwise enter the network folder settings using the keyboards d Press TEST to verify that the instrument can access the folder NOTE Contact your network administrator if the instrument cannot access the folder over the network e Press SAVE and then EXIT 5 Select the Require LOGIN for EXPORT checkbox to require the selected users to login before exporting data 6 Press SAVE Exporting d...

Page 34: ...Advanced Instruments Backup folder automatically created on the USB drive To save the data to a network folder a Select Network b Press FOLDER c If a network folder has already been configured for another data management function such as database import or backup press to select a folder configuration to copy to the Backup Folder screen Otherwise enter the network folder settings using the keyboar...

Page 35: ...eared from database tables using the Service account This feature is not available under any other account 4 Press SAVE Importing restoring database records Use the import feature to import restore any or all of the following records that were backed up to a USB drive or network folder Results Controls Users Settings changes Events Preparing to import from a USB drive If you are importing from a U...

Page 36: ...cation of the data to import To import data from a USB drive a Make sure the files on the USB drive are in the correct structure see Changing the probe resistance b Select USB To import from a network folder a Select Network and press FOLDER b If a network folder has already been configured for another data management function such as database export or backup press to select a folder configuratio...

Page 37: ...Press EXIT to return to the SINGLE RESULT EXPORT tab NOTE Administrators can delete result PDF files stored on the instrument Depending on how often you export results to PDF you should delete these files occasionally to free up data storage space Result PDFs only become pending if they cannot be sent to the designated network folder for example if the device becomes disconnected from the network ...

Page 38: ...ers to enter a user ID and or a sample ID before testing a sample Require login for users authorized to change the operating range Allow all Administrators to test calibrate and change the operating range NOTE To configure user access to testing calibration and changing the operating range refer to Assigning user restrictions 1 Press RESTRICTIONS TESTING 2 Configure Required for Test settings as n...

Page 39: ...est results NOTE When Review of Results is selected The User Accounts allowed to Comment on Results options are disabled The User ID checkbox on the TESTING tab is selected see Configuring testing access 3 Select the user levels authorized to review test results One user level must be selected 4 Select the Approval of Results checkbox to require approval of all test results NOTE When Approval of R...

Page 40: ...og in to the Service account 2 Insert the USB drive with the updated software into a USB port 3 Follow the instructions provided with your update 4 Press START Wait for the system to complete the update 5 Power off the instrument and wait 15 seconds 6 Power on the instrument a Press OK on the Installation date not set Refer to the User Guide message box b Press DIAGNOSTICS MAINTENANCE and log in t...

Page 41: ... Factory Reset tab b Press RESET 5 To perform a system reset factory reset and also clears calibration resistance alignment and serial number a Press the System Reset tab b Press RESET Configuring V V settings To enable system screen captures short system timeouts and disable calibration requirements complete the following steps 1 Select SYSTEM UPDATE and log in to the Service account 2 Press the ...

Page 42: ... is not detailed in this User Guide Service or maintenance procedures that are not included in this User Guide should be performed only by a qualified service technician Service or maintenance procedures that are detailed in a Service Manual should be performed only by a qualified service technician 6 2 Issues that require a service technician If the product requires service for any of the followi...

Page 43: ...eriodically as part of routine maintenance If the instrument is used daily Clean the solenoid monthly If the instrument is used only occasionally Clean the solenoid every three months This area of this instrument comes into contact with biohazardous materials Take appropriate precautions 1 Open the section of instrument housing above the cooling chamber to access the solenoid in the OsmoTECH XT 2 ...

Page 44: ...w in the retainer bracket screws Replace the instrument cover and remove the chamber cleaner 9 If necessary recalibrate the OsmoTECH XT Fuse replacement Tools required Small flat screwdriver Static Grounding Wrist Strap WARNING Hazardous Voltage WARNING Internal components may be damaged by static electricity CAUTION Improper connections may cause damage to the instrument CAUTION A discharge of st...

Page 45: ...mpler plunger wire replacement and verification To ensure proper instrument operation you should replace the sampler plunger wire every 100 tests or each time you empty a XT100 test kit NOTE A sampler plunger wire is included with each test kit Failure to replace the plunger wire may affect instrument accuracy and repeatability Calibration gauge and key Shaft bushing Shaft Finger grip Body Calibra...

Page 46: ...er wire and tighten 3 Move the sampler tip in a back and forth motion over the plunger wire and tip until the fit is acceptable 4 Remove both parts and re assemble normally Verifying the sampler calibration Perform this verification procedure after you replace the sampler plunger wire or any time you want to confirm that the sampler is calibrated correctly 1 Place a new sampler tip on the sampler ...

Page 47: ...reen and is recorded in the events database Discard the sample carefully clean the plunger and then try a new sample If the error occurs again refer to the following table to help resolve the problem Error Possible cause Suggested action Out of range Low Out of range High Cause The sample might be outside the range of the instrument Out of range Low The measured reading is below 10 mOsm Out of ran...

Page 48: ...code is unique to the device and restores the default Administrator user with a temporary password 2 From the main menu select DIAGNOSTICS BARCODE and scan the customer s recovery barcode using the instrument barcode scanner see Barcode 3 The following message indicates a successful account recovery 4 Exit to the main menu 5 To fully restore the Administrator account select SETTINGS DATE TIME and ...

Page 49: ...l value between 400 and less than 1500 mOsm kg H2O 1 SD 1 from nominal value from 1500 to 4000 mOsm kg H2O 1 SD NOTE For more information about accuracy see Quality control in the OsmoTECH XT User s Guide p n 235005UG Within run repeatability2 AI standards and reference solutions Standard deviation 2 mOsm kg H2O between 0 and 400 mOsm kg H2O Coefficient of variation 0 5 between 400 and less than 1...

Page 50: ...ns Protection class I Over voltage category II Pollution degree 2 Moisture protection IPX0 ordinary Communications USB 2 0 Type A ports 2 USB 2 0 Type B ports 1 Ethernet 10 100 RJ45 connector port 1 Operating conditions Temperature 18 C to 35 C 64 F to 95 F Humidity 5 to 80 relative humidity non condensing Storage temperature 20 C to 45 C 4 F to 113 F Dimensions D x W x H Not including test kit 15...

Page 51: ...ything in between OPC UA is also cross platform in terms of software and is not tied to any one operating system or programming language 1 Source https opcfoundation org about opc technologies opc ua 2 See https opcfoundation org about opc technologies opc classic Security The OPC UA security implementation is firewall friendly while addressing security concerns by providing a suite of controls su...

Page 52: ...urine by filtration Samples with air bubbles do not freeze reliably and may yield inaccurate results Samples allowed to evaporate will yield higher osmolality values Non aqueous solutions will not yield accurate results The OsmoTECH XT is intended to test aqueous solutions only Highly viscous solutions may not freeze reliably and may yield inaccurate results High concentrations of ethanol acetone ...

Page 53: ...sting Services NA Inc The ETL mark is approved in the United States as a Nationally Recognized Testing Lab NRTL by OSHA and in Canada by the Standards Council of Canada This symbol indicates the product conforms to the Restriction of Hazardous Substances Directive This symbol indicates the product conforms to the requirements of EU Directive 2012 19 EU on Waste Electrical and Electronic Equipment ...

Page 54: ...0 Short Range Devices SRD Essential Requirements of article 3 2 of Directive Consult the Declaration of Conformity certificate shipped with the product if required for the latest update FCC Part 15 Subpart B C Class A This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions This device may not cause harmful interference and this device must accept any...

Page 55: ...you in identifying the options available to you once the decision has been made to replace or dispose of this product Contact the supplier who sold you the product Whether you purchased the product from Advanced Instruments or from one of its authorized dealers this supplier should be knowledgeable about the national and local regulations governing disposal and recycling of products in your area I...

Page 56: ... DRAWING AND PRINTS ARE THE PROPERTY OF ADVANCED INSTRUMENTS REPRODUCTION OF ANY KIND IS PROHIBITED EXCEPT WITH SPECIFIC PERMISSION OF ADVANCED INSTRUMENTS Two Technology Way Norwood MA 02062 781 320 9000 www aicompanies com SCHEMATIC SYSTEM INTERCONNECT OSMOTECH XT D 1 N A JP ML J PARKER J PARKER 9 15 2020 9 15 2020 9 15 2020 THIS DOCUMENT CREATED USING OrCAD CAPTURE V17 2 REFERENCE PROJECT FILE ...

Page 57: ...ealer may have applied additional local national or international approvals to this product Consult the distributor or dealer for more information and documentation Osmometer model OsmoTECH XT Single Sample Micro Osmometer Serial number Symptom or problem Repairs replacements or changes Serviced by Date ...

Page 58: ...Appendix H Service log OsmoTECH XT Single Sample Micro Osmometer Service Guide 58 Symptom or problem Repairs replacements or changes Serviced by Date ...

Page 59: ...y 235070R 235070PM Cradle Switch 235076R 235076PM Control PCB 235037PCR 235037PCPM Block Probe 235058R 235058PM Block Probe Cable 235059R 235059PM Sample Probe 235060R 235060PM Sample Probe Cable 235061R 235061PM Cooling Fan Assembly 235062R 235062PM Power Supply 235063R 235063PM RFID Reader 235066R 235066PM Fuses two required 235072R 235072PM Sample Handling Assembly 235300R 235300PM Cooling Asse...

Page 60: ...comprehensive customer service and technical support This service guide is copyrighted by Advanced Instruments with all rights reserved Under copyright laws this guide may not be reproduced in any form in whole or part without the prior written consent of Advanced Instruments 2021 Advanced Instruments OsmoTECH is a trademark of Advanced Instruments All other trademarks are the property of their re...

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