Mesalabs 90XL Скачать руководство пользователя страница 25 | Manualshive

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25

G.

Timer Function

Event Timing

To access the timer function:

1.

Select MENU from the MAIN screen and scroll to TIMER using the arrow
keys.

2.

Press START to begin event timing; Press STOP to stop event timing.

3.

Press RESET to return the timer to zero. You may start to time another
event at this point.

4.

Press MAIN to return to the MAIN screen. This also resets the timer to zero.

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Содержание 90XL

Страница 1: ...90XL Meter User s Guide Part No 901120027 Rev H 2018 Mesa Laboratories Inc All Rights Reserved ...

Страница 2: ...This Page Intentionally Left Blank ...

Страница 3: ...ments 19 F How to Verify Sensor Module Calibrations 21 1 90XL Conductivity Temperature Sensor Module 21 2 90XL pH Sensor Module 23 3 90XL Pressure Calibration Verification 24 G Timer Function 25 VII CALIBRATION INSTRUCTIONS 26 A General Information 26 B Resetting Factory Defaults Applies to all module types 26 C How to calibrate the conductivity temperature sensor module 27 1 Low Range Conductivit...

Страница 4: ... display of up to 4 simultaneous readings from any combination of sensor modules The 90XL timer function allows routine event timing NOTE Throughout this User s Guide the terms 90XL Instrumentation system and 90XL meter are equivalent descriptors for this device II INDICATIONS FOR USE The 90XL instrumentation system is intended for use by hemodialysis professionals to measure the conductivity temp...

Страница 5: ...lt in an inaccurate calibration CAUTION DO NOT use the 90XL Instrumentation System in place of the dialysis delivery system s primary sensors controls and or monitors CAUTION DO NOT submerse your 90XL display module or the sensor module connector ends in liquids as this may result in damage to the instrument and or the sensor modules CAUTION DO NOT use abrasive cleaning agents and or full strength...

Страница 6: ...onnectors on the meter Up to four different sensor modules may be simultaneously connected to the display module for the desired measurements Measurements for conductivity and temperature are taken as the solution flows through the dialysate lines to which a sensor module is connected pH measurements may be taken by using the pH sensor module directly from a container using the dip configuration F...

Страница 7: ...unctions such as Adjust date and time Adjust screen contrast and brightness Select units of measure for readings Obtain detailed information about a sensor module Calibrate sensor modules Restore factory default values Time events Access help screens Select auto off time Navigation Keys LCD Display Conductivity Temp Sensor Module pH Sensor Module and probe Pressure Sensor Module Sensor Module Conn...

Страница 8: ... mount the Display Module on an IV pole or the Display Module may be inserted with the LCD and buttons facing inside to protect it during transport and storage Case holder for the Display Module Case holder used as a tilt stand on a flat surface Place the Display Module in the case holder The IV Pole Holder conveniently slips into with the screen side down as a protector slots in the back of the c...

Страница 9: ...E THE POSITION OF THE READINGS IN DUAL CHANNEL DISPLAY SELECT THE CHANNEL OF INTEREST ON THE MAIN SCREEN RETURN TO THE PREVIOUS SCREEN RETURN TO THE MAIN SCREEN PRESS TO MANUALLY TURN OFF THE SYSTEM ACESS THE SYSTEM MENU PRESS TO DISCONITUE OR RESTART A CALIBRATION PROCEDURE RESET THE TIMER FUNCTION TO ZERO PRESS TO SAVE A SETTING UNTIL THE UNIT IS TURNED OFF SAVE A SELECTED PARAMETER ADVANCE TO T...

Страница 10: ...10 C 90XL Screen Flow Diagram ...

Страница 11: ... This will scroll the selection indicator down one channel for every press of the key The scrolling sequence is CH 1 through CH 4 then back to CH 1 etc Unused channels on the display are ignored during the scrolling function The SWAP function on the MAIN screen is used to swap the dominant and subordinate readings within a conductivity and temperature channel Simply select the channel you would li...

Страница 12: ...channel specific as well as system related functions NOTE The selected channel on the MAIN screen continues to be displayed on the MENU screen Return immediately to the MAIN screen by pressing the MAIN key Scroll with the up down arrows to highlight a menu item then select using the SEL key ...

Страница 13: ...els on the display c Take measurements Once the sensor module s are connected to 90XL meter you are ready to take your measurements WARNING Mesa Labs recommends verifying sensor module calibration using National Institute of Standards and Technology N I S T traceable reference standards before taking measurements or whenever inaccurate readings are suspected d Turn the 90XL OFF The 90XL may be tur...

Страница 14: ... is felt There is a slight pause while the sensor module establishes communication with the display module The 90XL will then display the reading on the channel that matches the sensor module connector To disconnect a sensor module from the 90XL Display Module Using your fingers gently pull straight away from the socket to remove the connector from the port Do not turn or rotate the cable end Cove...

Страница 15: ...eep the setting as a default Choose the time interval for the auto off feature Time selected is the time after last key action See note below Scroll to a Menu item and press select Use the arrow keys to adjust display contrast See Note at left Use the arrow keys to adjust display brightness See Note at left Using the arrow keys move cursor to select digits and set the date Press SAVE to advance to...

Страница 16: ...change the dominant parameter if necessary Select UNITS OF MEASURE from the MENU screen Scroll to the units desired using the arrow keys and press SEL After a brief pause the display will return to the MAIN screen and display the parameter in the new units Temperature units Select the channel displaying temperature on the MAIN screen using the arrow keys Make sure that temperature is the dominant ...

Страница 17: ...ng the arrow keys Select UNITS OF MEASURE from the MENU screen Scroll to the units desired using the arrow keys and press SEL After a brief pause the display will return to the MAIN screen and display the parameter in the new units NOTE pH units are standard and can not be changed ...

Страница 18: ...sensor module into the container of test solution as shown above Draw sample solution steadily through the sensor module Note the display output while the solution is flowing When the display is stable take your reading In line Method Connect condo temp sensor module directly to the delivery system using the Hansen connectors as shown above Reestablish flow through the sensor module and take your ...

Страница 19: ...o verify the accuracy of arterial and venous monitors measure negative pressure and differential pressure of the delivery system fluid WARNING Use of transducer protectors is required when measuring pressure in liquid lines to prevent intrusion of fluids into the pressure sensor module CAUTION If a transducer protector becomes wetted it will not transmit pressure accurately and must be replaced wi...

Страница 20: ... port must be open to atmosphere to positive or negative Negative Pressure Measurement pressure source Differential Pressure Measurement To measure differential pressure attach monitor tubing to the Gauge and Ref Luer ports on the pressure sensor module Pressure will read positive only if the greater of the two measurement points is connected to the Gauge port In line and negative pressure adapter...

Страница 21: ...ule 1 To rinse the sample tray and sensor module pour approximately 50 ml of fresh reference solution into the sample tray Insert the conductivity sensor module into the center sensor holder of the tray 2 Insert the syringe assembly to the top male Hansen fitting of the sensor module Draw rinse solution through the sensor module and expel through the sensor module 3 Discard the rinse solution do n...

Страница 22: ... observed 2 After approximately one minute of flow through the sensor module observe the temperature reading on the display module NOTE If the temperature of the liquid in the flow path is different from the surrounding ambient temperature the temperature of the liquid will be closer to the ambient temperature at the downstream temperature measuring point than at the upstream measuring point The m...

Страница 23: ...uter sensor holder Gently swirl the solution in the tray and allow the display reading to stabilize 4 Observe the reading on the display If this displayed value is within specification based on the value of the buffer solution used then calibration is not needed If this value is outside of specifications then calibration is needed See the section entitled Calibration and Maintenance 5 Using approp...

Страница 24: ...o the display module 3 With the Gauge port open to atmospheric pressure the display should read 0 mmHg NOTE If the display does not read zero refer to the Calibration and Maintenance section of this User s Guide 4 Connect the 90XL and the reference standard using the stop cock and monitoring lines as shown below Check for leaks 5 Apply positive or negative pressure to both the 90XL pressure sensor...

Страница 25: ...AIN screen and scroll to TIMER using the arrow keys 2 Press START to begin event timing Press STOP to stop event timing 3 Press RESET to return the timer to zero You may start to time another event at this point 4 Press MAIN to return to the MAIN screen This also resets the timer to zero ...

Страница 26: ...nd factory calibration of your instrument DO NOT use expired or out of date Solutions CAUTION Use only sodium chloride NaCl conductivity standard solution The conductivity temperature sensor module is temperature compensated for NaCl solution Other solutions such as potassium chloride KCl may result in inaccurate calibration NOTE Select the sensor module that you plan to calibrate by scrolling to ...

Страница 27: ...curacy and precision in this range with reasonable accuracy and precision at the low and high extremes If a higher level of accuracy and precision is needed at the extreme ends of the total range then the sensor module should be calibrated using the optional air zero Low range and 100 0 mS High range calibration procedures If enhanced accuracy and precision are required throughout the entire condu...

Страница 28: ...to expel droplets or let dry This initial step may be performed in advance of the actual calibration procedure Step 2 The 90XL will read the cell theoretically zero and perform an evaluation based on the factory set value Press NEXT to continue Step 3 If the evaluation is successful the calibration information will be stored within the sensor module Step 3 If the displayed factory cal value is gre...

Страница 29: ...o Step 2 Rinse the sensor module by drawing reference solution up through it The value read internally must be within 0 2 mS of the reference value to proceed to the next step If the factory value is off by more than 0 2 mS calibration will not be performed Press ABORT and contact Mesa Labs Step 3 Empty reference solution from the sensor module and discard The 90XL must detect a value of less than...

Страница 30: ...eference solution is flowing the 90XL must detect 4 stable conductivity values for verification before proceeding Final Step Calibration is complete Calibration information is stored within the sensor module OR OR If during Step 6 the calibration value differs from the verification value by more than 0 02 mS the calibration will fail Press ABORT to exit If the calibration fails on multiple attempt...

Страница 31: ...pty reference solution and discard The 90XL must detect a value of less than 4 mS to proceed Step 4 Draw fresh reference solution slowly through the sensor module While reference solution is flowing the 90XL must detect 4 stable conductivity values within 4 mS of the reference to proceed to the next step 14 00 mS STANDARD 13 40 mS STANDARD 100 0 mS HIGH AIR ZERO SET FACTORY DEFAULTS CALIBRATION HE...

Страница 32: ... to the sensor module OR OR If during Step 6 the calibration value differs from the verification value by more than 0 25 mS the calibration will fail Press ABORT to exit If the calibration fails on multiple attempts call Mesa Labs for assistance STEP 5 100 mS CAL EMPTY CELL DISCARD REF SOL Value must be less than 4 mS to proceed STEP 6 100 mS CAL SLOWLY DRAW REF SOL FOR VERIFICATION 4 stable value...

Страница 33: ...e is attached First select the pH sensor module on the MAIN screen using the key Press MENU and select CALIBRATION Select 7 00 pH from the next screen NOTE If 4 00 pH is selected the following screen will appear Press NEXT to continue Step 1 Remove pH buffer solution bottle from sensor Place about 50 ml of buffer solution in the sample tray or beaker and place the pH sensor module in the outer sen...

Страница 34: ...nsor module with the soaker bottle attached filled with enough soaker solution or 4 0 pH buffer solution to cover the glass bulb NOTE If the Factory pH value is out of range the pH sensor may have exceeded normal life 12 18 months with proper care and may need to be replaced Call Mesa Labs for assistance To replace the pH probe grasp the black base of the probe and gently twist it counterclockwise...

Страница 35: ...rts are open to atmosphere at the sensor module When the pressure is stable on the display press SAVE Final Step Calibration is complete Calibration information is stored within the sensor module OR OR If the factory value differs from zero by more than 10 mmHg the pressure zero calibration will fail Press ABORT to exit If the calibration fails on multiple attempts call Mesa Labs for assistance PR...

Страница 36: ...d use household bleach solution as describes above The condo temp sensor module should be rinsed with RO DI water and allowed to air dry This will prevent deposits from forming on the electrodes which could affect accuracy pH Sensor Module Rinse the sensor module thoroughly with RO DI water after use If disinfection is required use household bleach solution as describes above Store your pH probe i...

Страница 37: ...ter depends greatly on how brightly the display s backlight is illuminated At full brightness the running time will be less than half the running time when the backlight is turned off Sensor modules use significantly less power than the display module and won t affect the amount of operating time as much as the backlight 90XL Battery Facts From a fully discharged state the display module battery m...

Страница 38: ...021 Replacement pH electrode 201110005 90XL User s Guide 901120027 Standard Solutions Visit dialyguard mesalabs com pH buffer Solutions Visit dialyguard mesalabs com Sampling Kit P N 503110017 Negative Pressure Adapter P N 350120002 Transducer Protector P N 503110023 Monitoring Line and Stopcock P N 350120005 ...

Страница 39: ...120003 Carrying Case w Cut Outs P N 201110003 1 IV Pole Connector P N 503110024 Display Module Cover Holder P N 303110075 pH Probe Assembly P N 201110005 Sensor Module Extension Cable 2 Meter P N 350110015 5 Meter P N 350110016 ...

Страница 40: ...boot it If the display module is still unresponsive contact Mesa Labs or an authorized distributor for service 4 If a sensor module does not show a reading after connection to the display module a slight pause is normal the sensor module may be inoperable Contact manufacturer or an authorized distributor for service 5 If the pH sensor module can not be calibrated or stabilization time becomes unac...

Страница 41: ...in last known calibration date and calibration due date Warranty Information DO NOT attempt to repair or modify the meter as this will void the warranty For warranty information contact Mesa Labs or your local distributor Any service required other than cleaning or calibration must be referred to either Mesa Labs or an authorized distributor How to Reach Us Please contact Mesa Labs for further inf...

Страница 42: ...mS 0 20 of reading 0 002 from 2 to 29 99 mS 0 50 of reading above 30 mS 0 1 C 1 0 mmHg from 0 to 199 mmHg gauge 1 5 mmHg from 200 to 300 mmHg gauge 0 5 of reading 1 mmHg above 300 mmHg and below 0 mmHg Temperature Compensation 10 to 90 C optimized for 20 to 40 C PHYSICAL Dimensions Weight Power Battery Type 3 3 x 6 x 1 5 9 9 ounces Battery 3 6 V Lithium Ion rechargeable ENVIRONMENTAL CONDITIONS Te...

Страница 43: ...ce of the product by anyone other than MESA LABS or an authorized service center b misuse due to negligence or accident c operation or maintenance of the product in a manner contrary to the manufacturer s instructions Any express warranty not provided herein and any remedy for breach of contract that but for this provision might arise by implication or operation of law is hereby excluded and discl...

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