(Computrac) Vapor Pro® Fx⁄Cx User`s
Contents
1. After inspection cleaning or replacing parts replace the access cover before connecting the instrument to its power source Turn the instrument on and when READY TO TEST appears run a dryness test When the criteria for a dry system are achieved the system is ready for use e Refer to this procedure to gain access to the internal parts as directed in other sections of this manual e Turn the instrument off and remove the power cord from its socket A CAUTION A Line voltage is present under the instrument s cover To prevent electrical shock turn off power and remove the power cord Do not re connect the power cord and turn power on until after the cover is secured in place e Insert a small probe into the hole at the back of the instrument marked by a graphic symbol indicating the method of opening the access cover Push inward to release the safety catch and lift the cover up with your free hand Remove it and put it ina safe place e Remove the access cover See ACCESS COVER REMOVAL on page 43 e The sensor block is hot 68 C do not touch it with bare hands until it has been allowed to cool down e Remove the instrument cover by unlatching the two latches on the back chassis wall A long screwdriver is helpful Page 44 The sensor block is visible in the center of the opening The sensor block is hot 68 C Do not touch metal parts with bare hands until they are allowed to cool down2. gt Follow the previous instructions to load the syringe with distilled or de ionized water from the septum capped sample bottle AZI P N 990 0153 e When READY TO TEST is displayed on the MAIN ne 1 27 2000 08 42 2 OFF TEST SCREEN press and or select in order FINAL A A PPH H20 OTAL 8 py H20 gt Memry TIME 00 00 00 gt RH SENSOR CAL MEMRY SELECTE PHERS MEMRY READY I0 TESI a25 e Perform a calibration injection Memry Menu Graph gt Prepare the syringe Refer to section 6 1 SYRINGE TECHNIQUE as needed gt Press the START key Itis important to begin the test promptly since the water will evaporate out of the syringe needle Almost immediately the screen will display the blinking message HAND INJECT WATER NOW 12713 2000 11 11 17 DFF TEST RH SEMEOR CALe gt When prompted by the instrument place the Se TOTAL 8 8 2 420 needle tip in the injection port at the top of the TIME 60 06 04 instrument and insert it straight down until the axHAND INJECT WATER HOW x septum is contacted Push it in until it touches the A25 bottom of the injection port Sener Graph Quit Release the silver button on the lower Chaney fitting Inject the water by depressing the plunger fully with a firm smooth stroke VV WV Remove the needle from the injection port immediately gt Allow the test to proceed until completed It should take less than three 3 minutes e If this is the first test of the day disc
3. gt Sets the internal clock for the correct time and date EXT BALANCE SETUP gt gt gt Identifies the type of external balance AZI ZSP150 SP150 or SCI SA80 see APPENDIX A AZI ZSP150 SP150 OR SCI SA800 DIGITAL BALANCE on page 52 Selects the tare mode fixed or manual bottle weight entry or balance entry and Verifies the communication link between the instrument and balance EXT PRINTER SETUP gt Selects the type of printer used and specifies the output port where data is to be sent RS 232 LPT or both o Select EPSON RASTER for the Epson C88 printer REPORT SETUP gt gt REPORT CONTROL specifies when the report is to be printed off at the start at the end selects the output format text or spreadsheet specifies the reporting interval in seconds turns on or off end of line automatic form feeds selects which graph to print both rate result none and turns lot number recording on or off REPORT CONTENT specifies whether particular items of information are to be included in the report or not These items are MEM SELCT ID LOT NUMBER PRODUCT ID TEST DATE TIME OF DAY FINAL RESULT FINAL MASS END CRITERIA SAMPLE WT TEST TIME TEST TEMP FINAL RATE PEAK RATE PEAK TIME FLOW IN SYRINGE TIME BLOCK BKGND Sensor block background SAMPLE SIZE EDIT COMPANY NAME allows you to change the company name that prints on the header line of the report Page 34 ACCESS KE
4. Arizona Instrument LLC is an ISO9001 Registered Company Page 54 BS WARRANTY S Arizona Instrument LLC warrants the Computrac VAPOR PRO Fx to be free from defects in materials or workmanship for two 2 years from the date of purchase for those instruments sold in the USA All international sales normally carry a one 1 year warranty AZI will repair or replace at its option products that AZI determines to be defective during the warranty period All defective parts replaced by AZI become the property of AZI Replacement parts are warranted for the remaining portion of the effective warranty period This warranty does not apply to expendable or consumable items or routine maintenance The above warranty does not extend to any product which has been subjected to misuse abuse neglect accident improper application modifications or service performed by persons other than AZI s own service representatives power surges or spikes negligence in use maintenance storage transportation or handling or acts of God If a VAPOR PRO product is defective in workmanship or materials the owner s sole remedy shall be repair or replacement of the defective part or parts as provided above Under no circumstances shall AZI be liable in any way to the owner or any user for any damage including but not limited to any loss of business or profits or any other direct indirect special incidental or consequential damages whether or not for
5. Disconnect the air tube from the right side of the sensor block gt Use a 5 16 wrench on the small half of the compression fitting and a 3 8 wrench on the large fitting Disconnect the air tube from the top of the coil Page 45 Obtain a replacement septum AZI P N 990 0058 If the septa supplied in the accessory kit have all been used call AZI Customer Service at 800 528 7411 or 602 470 1414 for parts Remove the access cover See ACCESS COVER REMOVAL on page 43 The injection port needle guide will be found near the right side and on top of the sensor block assembly Use an 11 16 wrench to loosen the nut Turn the nut counterclockwise to remove it Lift off the needle guide and the nut The septum is now visible at the top of the injection port or inside the nut Replace the old septum with a new one Replace the needle guide and nut hand tight Using the 11 16 wrench to turn the nut an additional 1 4 turn to load the septum Replace the access cover and power cord Turn the instrument on Go to MAIN MENU SETUP MENU SEPTUM RECORD SETUP and press GO two 2 times Press ESC three times to return to the MAIN TEST SCREEN The instrument is ready for normal use Page 46 e Obtain a replacement septum AZI P N 990 0132 If the septa supplied in the accessory kit have been used call AZI Customer Service at 800 528 7411 or 602 470 1414 for parts e Remove the access cover
6. Page 37 BALANCE COMM FAILURE This prompt indicates that the memory start used specifies the use of a digital balance for weight entry but that the instrument is not communicating with a balance Check the cable and assure that the balance is powered on online and stable Occurring less frequently than condition prompts system failure codes require the instrument to be switched off and then powered back up It is possible for a failure to occur due to a transient condition However if the failure persists or occurs frequently call Arizona Instrument Customer Service at 800 528 7411 or 602 470 1414 for assistance 8 RHRTDRANGEERROR _ CABLEORRTDFAILURE 9 RHRTDRATEERROR SENSOR BLOCK HEATER Page 38 11 COMMONLY ASKED QUESTIONS Below are some commonly asked questions with answers and possible solutions Q What if my water injection results are zero or near zero A Make sure the syringe is being inserted all the way into the injection port gt Incorrect Placement Correct Placement Page 39 Q What if my water injection results are out of range A 1 Perform a sensor calibration The Computrac VAPOR PRO Fx self adjusts the internal calibration factors to the high precision moisture sensor to account for varying conditions temperature product accumulation in the flow system component wear etc Over time this may cause the overall calibration to drift slightly Si
7. USER MANUAL COMPUTRAC VAPOR PRO Fx MOISTURE ANALYZER Firmware Revision 1 15 2 July 2011 ARIZONA INSTRUMENT LLC 3375 N Delaware Street Chandler AZ 85225 USA 800 528 7411 602 470 1414 f 480 804 0656 WWW azic com email General azi azic com International intl azic com Support support azic com AZI P N 700 0024 K Computrac VAPOR PRO Fx PROPRIETARY RIGHTS NOTICE The material in this manual contains valuable information developed by Arizona Instrument LLC for use with the Computrac line of moisture analyzers No part of this manual can be reproduced or transmitted in any form or by any means electronic mechanical or otherwise This includes photocopying and recording or in connection with any information storage or retrieval system without the express written permission of Arizona Instrument LLC ALL RIGHTS RESERVED Copyright 2002 2011 Arizona Instrument LLC Page 2 bk ae ee eo 10 11 12 13 14 15 TABLE OF CONTENTS WARNINGS AND SAFETY INFORMATION INTRODUCTION PRINCIPLES OF OPERATION UNPACKING INSTALLATION 5 1 EXTERNAL CONNECTIONS 5 2 POWER ON CHECKS 5 2 1 CHECK SENSOR STATUS 32 2 DRYNESS TEST RH SENSOR CALIBRATION 6 1 SYRINGE TECHNIQUE 6 2 CALIBRATION CHECK 6 3 SENSOR CALIBRATION TEMPERATURE CALIBRATION RUNNING MOISTURE TESTS 8 1 SELECT TEST SETTINGS 8 1 1 ENTER MATERIAL NAME 8 1 2 SET PROGRAMMED TEST TEMPERATURE 8 1 3 SELECT UNITS FOR THE FINAL RES
8. Plastic Syringe for heater coil cleaning 4 5 Clear Tubing 1 87 X 1 4 l Scc Glass Syringe 10 5cc Disposable Syringe l 1 0 ul Hamilton Syringe 1 l Adaptor Icc Syringe l Set screw for Syringe adaptor 10 1 ml Syringe for use with Icc adaptor l Waste Jar Assembly l Grease for Waste Jar 10 Septa Injection Port l 20 ml Sample Bottle w Septum and Cap 10 Septa Test Port 1 Instrument Support Stand Desiccator K t Inline Optional items ordered separately Grommet for Waste Jar Wire Tie Septum For 20 ml Sample Bottle 101 key PC keyboard PC graphics printer kit Digital balance with cable and Communications Software Travel case Temperature Calibration Kit with 9 VDC 100mA 3 5mm male plug tip DC Adaptor Dry Air Generator Kit VAPOR PRO Communications Package AZI PART NUMBER CT 4100 L Y990 0152 200 0002 US Canada CT 4100 L220V 200 0003 England 200 0008 Europe 300 0396 300 0440 300 0466 345 0050 990 0122 2600 1012 990 0068 300 0559 300 0560 990 0203 990 0200 PS 557 990 0058 990 0153 990 0132 990 0227 Y990 0116 355 0177 PS 160 990 0074 990 0088 Y990 0098 Y990 0082 990 0092 Y990 0142 110 VAC Y990 0165 220 VAC Y990 0143 Y990 0196 If you are unable to locate any of the standard items or have questions regarding the optional accessories please contact AZI Customer Service by phone at 800 528 7411 602 470 1414 or send e mail to support az
9. AZI 345 0050 to the gas outlet port of the instrument and place the other end of the tubing below the surface of the water in the beaker 5 If there is no leak a rapid flow of bubbles approximately 8 to 10 bubbles second will exit from the tube in the beaker If the bubbles are forming more slowly or not at all then there is a leak in the system 6 Adjust the position of the waste jar slightly while observing the beaker until the flow of bubbles proceeds at a fairly brisk pace 7 Ifthe flow of bubbles never increases try replacing the waste jar with a new one Page 40 Q How do I prevent the calibration syringe from freezing up A Clean the syringe in acetone before storing it at the end of each day s use The water collected in the small barrel of the syringe may not be seen but it is enough to cause the piston to jam against the barrel when it dries out or causes corrosion The use of deionized water does not prevent corrosion and does not ensure other contaminants do not enter the syringe Before storing the syringe for over 12 hours clean the syringe by the following method e Insert the needle into acetone e Work the plunger up and down at least three times e Depress the plunger all the way into the syringe and e While holding the plunger all the way in remove the syringe needle from the acetone and store the syringe in a box with desiccant e Before use in the instrument purge the syringe completely to e
10. DIAGNOSTIC MENU MEMORY START MEHU ADD EDIT MEMORY START REORDER MEMORY START MAIN MENU PRINT MEMORY STARTS MEMORY START MEHU STORED DATA MENU UITEN STORED DATA ANALYZE STORED DATA REORDER STORED DATA DELETE STORED DATA CALIBRATION MENU PERFORM RH SENSOR CAL EDIT SYSTEM CAL CONSTANTS VIEW CALIBRATION STATUS RINT CAL REPORT PMPERATURE CALIBRATION DIAGNOSTIC MENU SETUP MENU ee VIEW SYSTEM SENSOR STATUS MANUAL FLOW CONTROL MENU CLOCK SETUP EXT BALANCE SETUP VIEW SYSTEM EXCEPTIONS EXT PRINTER SETUP PRINT EXCEPTION REPORT REPORT SETUP ACCESS KEY SETUP TDLTO THIRTY DAYS WO Esc Select Down Es SETUP MEHU SEPTUM RECORD SETUP COIL SEPTUM SETUP Esc Selct Up Down Use the Up and Down keys to scroll through the selections and the Esc and Select keys to Escape or Select your choice gt gt As various selections are made the use of the arrow keys will change to present functions appropriate to the selection such as Go Toggle Edit Quit and Accept For editing the Incr and Decr keys will cycle through available letters numbers and symbols so that names can be spelled and numeric values can be entered Page 31 ADD EDIT MEMORY STARTS gt Sets the values for stored test parameters The parameters are stored by name Values are stored for test temperature ending criteria result display units method of sampl
11. MAIN TEST SCREEN select the following menus gt MAIN gt SETUP gt EXT BALANCE SETUP gt SELECT BALANCE DRIVER SETUP MENU EXT BALANCE SETUP CLOCK SETUP SELECT BALANCE DRIVER SELECT TARE MODE EXT PRINTER SETUP CHECK BALANCE COMM REPORT SETUP ACCESS KEY SETUP SEPTUM RECORD SETUP Esc Selct Up Down Esc Select Down Setup External Balance Select Functions gt Select the AZI SP150 or SCI SA800 according to the balance you have Use AZI SP150 as the selection for both the ZSP150 and the SP150 Press Quit Page 52 Press Accept e Select the SELECT TARE MODE menu The tare FIRED SYRINGE WEIGHT mode is only used when the SAMPLE WEIGHT MANUAL SYRINCE WEIGHT ENTRY MODE is set to DIGITAL BALANCE in TARE EMPTY SYRINGE the memory start gt FIXED SYRINGE WEIGHT The syringe weight is exactly the same The balance is Est Selct Up tared without the syringe and the fixed weight must be subtracted from the final Select Tare Mode measured weight gt MANUAL SYRINGE WEIGHT The syringe is pre weighed by hand The balance is tared without the syringe and the weight of the syringe must be subtracted from the final measured weight gt TARE EMPTY SYRINGE The balance tare weighs the syringe before it is filled with sample and the final measured weight is the weight of the sample gt Esc to the EXT BALANCE SETUP menu SELECT TARE MODE e Connect the cable between the Computrac VAPOR P
12. Select in order from the MAIN TEST SCREEN MENU DIAGNOSTIC MENU MANUAL FLOW CONTROL MENU COIL PURGE e Press Esc highlight VIEW SYSTEM SENSOR STATUS MENU and press Selct e Place an airtight cap over the 020 orifice outlet barb A wire tie may be necessary to keep the cap tight e Use a5cc plastic syringe equipped with a 22 X 2 0 needle AZI P N 300 0466 to slowly over 10 or more seconds introduce the IPA into the calibration port Page 48 Slowly introduce 2 each 5 cc syringe loads of IPA through the test port septum Allow time for the liquid to drain from the sump drain port Remove cap from outlet barb Remove the drain tube and place a sealing cap over sump drain port Remove and set aside the 020 orifice outlet barb IPA will be discharged through the outlet port A rag paper towel or other means can be used to eliminate splatter Slowly introduce 2 cc of IPA into the calibration port Remove the sealing cap from the Sump Drain Port and reconnect the drain tube to the hose barb Replace the 020 orifice barb into the air outlet port Keep the MANUAL FLOW CONTROL on Purge for 15 to 30 minutes to dry the system Return the MANUAL FLOW CONTROL to OFF Wait for READY TO TEST to appear before using the instrument If READY TO TEST does not come on in a reasonable time return the system to manual purge for an additional 15 to 30 minutes and try again Page 4
13. analyzer to prevent damage to the equipment Keep these instructions in a safe place An up to date electronic copy of this manual can be found at the AZI web site at http www azic com then click on Downloads The following instructions will help to ensure safe and trouble free operation of your moisture analyzer e Use the moisture analyzer only for performing moisture analysis of samples Any improper use of the analyzer can endanger persons and may result in damage to the analyzer or other material assets e Do not use this moisture analyzer in a hazardous area location operate it only under the ambient conditions specified in these instructions e Although the moisture analyzer is simple to operate and is very user friendly it should only be operated by qualified persons who are familiar with the properties of the sample being analyzed e Ensure before getting started that the voltage rating printed on the manufacturer s label is identical to your local line voltage see the section beginning on page 9 e The VP Series Moisture Analyzer is provided with a power cord that has a protective grounding conductor Do not operate the unit without the supplied three wire power cord or an identical recognized equivalent that meets all applicable standards e AZI does not recommend the use of an extension cord However if one must be used use an extension cord that meets all applicable standards and has a protective ground
14. and fill the syringe to between Icc and 5cc N NOTE Use the 1 5 needle with A a glass syringe and the 2 needle with a plastic syringe e Weigh the loaded syringe and record the weight of the sample e Open the instrument s access door e Raise the loading lever to its full upright position A stop will prevent over travel Note that the Syringe Holder has a stepped slot on the left side The glass syringe will fit into the left most portion of the slot The plastic syringe will fit into the right most portion of the slot e Insert the syringe glass syringe with 1 5 needle is shown for clarity into the instrument s transport assembly as shown e Lower the loading lever all the way down to fully insert the syringe s needle into the heated coil Page 28 e Close the transport access cover e Press START e When prompted enter the sample size in cc ENTER SAMPLE SIFE e When prompted enter the initial sample weight ENTER INITIAL SAMPLE WEIGHT e The test will proceed until the ending criteria have been met TIP The AZI ZSP150 digital balance AZI P N Y990 0082 eliminates possible transcription errors when entering the sample weight Itis also faster than manually taring and weighing the sample See APPENDIX A AZI ZSP150 SP150 OR SCI SA800 DIGITAL BALANCE on page 52 for more information Page 29 8 MENUSYSTEM S O In the idle state the MAIN TEST
15. results find out what sample size and sensitivity setting was used in the KF procedure Use approximately ten 10 times as much sample in the Computrac VAPOR PRO Fx and set the rate ending criteria value to ten 10 times the sensitivity value used in the KF equipment Example KF Sensitivity Setting KF Sample Size 0 1 ug sec 0 5 grams Computrac End Rate Computrac Sample Size 1 0 ug sec 5 grams e If you do not have the KF parameters available perform the following experiment gt Select a sample size that will yield 500 to 1000 micrograms of water but will not be smaller than Icc nor greater than 5cc in volume For best accuracy and speed the sample should evolve between 500 and 1000 micrograms of water during the test Larger amounts will not significantly improve accuracy and will only add to the test time Smaller quantities will result in faster tests but may degrade accuracy depending on the properties of the sample No damage to the instrument will ensue if samples are too small gt To estimate sample size you must have some idea of the approximate moisture content of the sample Use the calculation shown below to estimate the minimum sample size Minimum Sample g es Expected Moisture If Expected Moisture 0 05 Then Minimum Sample 0 05 05 1 0 grams Page 26 gt Similarly the maximum sample is determined by what size sample will release 1000 micrograms of water Minimum Sam
16. 82 mL Min MENU BLOCK RID 868 C COIL RID 675 C DIAGNOSTIC MENU and ee _ oC i VIEW SYSTEM SENSOR STATUS FLOW MODE SiDBY e If FLOW IN is not 100 2 mL min adjust the pressure regulator There are two configurations of the flow regulator e On older instruments gt Locate the flow regulator that is mounted to the right of the display gt Loosen the lock nut on the adjustment screw and slowly adjust the hex head screw on top of the inlet flow regulator CLOCKWISE or COUNTER CLOCKWISE until the FLOW IN indicates 100 mL min gt Tighten the lock nut e Esc to the MAIN TEST SCREEN e Turn the instrument off and remove the power cord from its socket e Replace the access cover and power cord Turn the instrument on e The instrument is ready for normal use Page 51 On newer instruments gt Locate the flow regulator that is mounted to the right of the display gt Loosen the knurled lock ring on the regulator then insert a regular screwdriver in the slot on the top of the regulator gt Turn the screwdriver slowly CLOCKWISE or COUNTERCLOCKWISE to adjust the inlet flow regulator until the FLOW IN indicates 100 mL min gt Re tighten the knurled lock ring Esc to the MAIN TEST SCREEN Turn the instrument off Remove the power cord from its socket Replace the access cover and power cord Turn the instrument on The instrument is ready for normal use From the
17. 9 Obtain a port plug AZI P N PS 368 If none are found call AZI Customer Service at 800 528 7411 or 602 470 1414 for assistance Connect the dry air gas source to the dry air inlet Install and tighten the port plug on the air outlet NOTE If the outlet is cool enough any plug or tight cover will do From the MAIN TEST SCREEN select the following menus MENU DIAGNOSTIC MENU and VIEW SYSTEM SENSOR STATUS If FLOW IN is greater than 2 ml min track down the air leak and correct it SENSOR STATUS RH SENSOR 6 8066 z FLOW IM BLOCK RTD COIL RID RH RTD H20 PLOW PLOW MODE Possible cause might be the seal between the waste jar and the lid Use AZI P N PS 557 Apply thin coating to seal on lid of jar and retighten NOTE Do not over tighten as it may cause damage to the seal area Esc to the MAIN TEST SCREEN Remove the port plugs Reconnect the sump outlet tube Page 50 e Verify the pressure of the carrier gas supplied to the instrument is between 20 and 25 psi e Remove the access cover See INSTRUMENT COVER REMOVAL on page 44 e Replace the power cord Turn the instrument on A CAUTION Ad Line voltage is present under the instrument s cover Use care not to touch any components except those listed in the following procedure to prevent electrical shock SENSOR STATUS e From the MAIN TEST SCREEN select the RH SENSOR a 20A gt Dh following menus FLOW IN 1
18. N REPORT RH S TEE e If the flow rate is not at 100 10 ml min see a FLOW IH 1866 mL FLOW RATE on page 51 MAM RID B68 7 e Return to the MAIN TEST SCREEN by HOITLE RID 825 pressing Esc three 3 times RH RID Ged C HZ0 FLOW BBBL 1 ug Sec FLOW MODE STDBY e When the display on the MAIN TEST SCREEN indicates READY TO TEST press and or select in order gt Memry gt DRYNESS TEST e Press START ADD EDIT MEMORY START H SERSOR CAL Ai DAYHRSS Le e This test will run for two 2 minutes to test for moisture that may have migrated into the system gt If this is the first test after changing a portion i i 12 13 2008 05 37 21 WEEE of the flow system desiccator filter etc or 1f TEST DRAYHESE TET CURRENT A A py H20 the result is more than 100 ug of H20 repeat TOTAL AA py H 430 the dryness test up to four 4 times IME 4 4 gt If the result does not fall under 5 ug after the 3rd or 4th test Sener Ceaph Quit Check for moisture in the desiccator and other portions of the dry air supply line Call AZI Customer Service at 800 528 7411 or 602 470 1414 for assistance Page 14 6 _RHSENSOR CALIBRATION O The water calibration test verifies that the instrument is working properly This test only takes a few minutes Arizona Instrument recommends that e This test be run every day or before use to verify the system s calibration and accuracy e
19. RO Fx balance input connector and the RS 232 connector on the balance e Turn the balance power on and wait for the _EMTERNAL BALANCE CHECE ready indication TURH BALANCE OW e Select the CHECK BALANCE COMM menu SE eee ocean gt Press Go and wait for communication to HIT GO WHEN BALANCE If READY be established gt If the check is bad verify each step above gt If the check indicates good communication Balance Communication Check a weight will be shown on the display EXTERNAL BALANCE CHECK gt Esc to the MAIN TEST SCREEN CHECKING BALANCE CURA Oval At Bottom Will Show Weight When Communication is Good Page 53 _14 _ APPENDIX B SPECIFICATIONS AND RATINGS These specifications are intended as a guide to proper use of the instrument Specifications and features will vary with application AZI product specifications are controlled by ISO 9001 procedures and are established and verified during design They are not to be construed as test criteria for every application Refer to AZI document Number 720 0034 VAPOR PRO Fx for current specifications All specifications and features are subject to change without notice Periodically contact AZI Customer Service at 800 528 7411 or 602 470 1414 or the web site at http www azic com to see if any upgrades are available for your instrument Dimensions Weight Power Ratings Environmental Requirements Heating Range Heater Control Lower Dete
20. SCREEN displays menu access keys at the bottom From left to right they are gt Memry key for accessing stored memory start selections gt Menu key for accessing the Main Menu and gt Graph key for changing the display to a graph of collected moisture and rate information Use keys below the displayed prompts to make your selection Data from the JETA FE b b i 132522353 OFF LAST i __Last lest p FINAL gagaea PPM H20 J L 6668 8 py H20 Current Oven HH HH Be Temperature Current Sensor RH SENSOR CAL Status SELECTS PRESS MEMRY READY TO TEST 25 To Select Another Memry Menu Graph Set of Stored Test Parameters amp View Test s Graphical Data To Access the Main Menu Options Main Test Screen The Graph key can be used to switch the display to the graphical displays gt Press Graph and the graph displays total moisture and the name above the arrow button changes to Next gt Press Next and the graph changes to display the rate at which moisture is passing over the sensor gt Pressing Next will now toggle between the two graphs To return to the MAIN TEST SCREEN press Esc Page 30 e Pressing Menu brings up a the MAIN MENU screen showing the following options gt gt gt gt gt STORED DATA MENU CALIBRATION MENU SETUP MENU DIAGNOSTIC MENU Esc Selct Dors MEMORY START MENU STORED DATA MENU CALIBRATION MENU SETUP MENU two screens
21. See ACCESS COVER REMOVAL on page 43 e The sample port tube nut will be found at the top of the heater coil assembly Turn the nut counterclockwise to remove it If necessary use an 11 16 wrench to loosen the nut e Remove the septum from the tube nut e Insert the new septum into the tube nut with the shiny smooth coated side facing the threaded es side of the tube nut as shown This will place the shiny smooth side of the septum towards the sample coil when reinstalled e Replace the tube nut hand tighten it Do not tighten the nut with a wrench e Open the syringe transport door and inspect the septum Ensure that the septum did not buckle e Replace the access cover and power cord Turn the instrument on e Ensure that there are no flow system leaks See LEAK CHECK THE SYSTEM on page 50 e Goto MAIN MENU SETUP MENU COIL SEPTUM SETUP and press GO two 2 times e Press ESC three 3 times to return to the MAIN TEST SCREEN e The instrument is ready for normal use Page 47 Use this procedure to clean the heated coil If assistance is needed call AZI Customer Service at 800 528 7411 or 602 470 1414 WARNING Ensure the temperature of the coil is below the boiling point of the cleaning fluid or serious injury might occur when the cleaning solvent vaporizes and expels the syringe piston e Obtain several ounces of isopropyl alcohol IPA e Switch th MANUAL FLOW CONTROL to COIL PURGE gt
22. TEM CAL CONSTANTS EDIT SYSTEM CAL CONSTANTS gt RH SENSOR VO and RH SENSOR V75 are relative humidity sensor calibration factors RH SENSOR U75 3 106 U SYSTEM CAL i188 These values are found written on the sensor printed circuit board and are entered when a new sensor 1s installed in the sensor block gt SYSTEM CAL is a calibration factor for the ee relative humidity sensor operating in the instrument s flow system It is automatically inserted into the instrument s memory when a sensor calibration 1s performed It should not be edited from the value inserted during the water injection calibration e VIEW CALIBRATION STATUS gt This selection allows review of the calibration status and activity of the RH sensor automatic sensor zero adjustments dryness test dates and background moistures flow transducer adjustments and the date of the last temperature calibration and or verification e PRINT CAL REPORT gt Prints all calibration status reports e TEMPERATURE CALIBRATION gt The six selections in this menu provide the functions of data entry calibration verification report printing and calibration due reminder A full explanation of most selections is given in section 7 TEMPERATURE CALIBRATION beginning on page 21 gt Cal Reminder Setup provides a prompt to remind the user when the temperature calibration is due It may be toggled ON or OFF and set for 000 to 999 days Page 33 CLOCK SETUP
23. The desiccator is connected to the instrument with the same type of tubing Pressure to the instrument is set to 12 20 psi v _ i Ig gt The dry air generator used for non flammable non explosive products only is connected to the desiccator with yellow tubing AZI P N 2500 3003 The desiccator is m connected to the instrument with clear 3 tubing AZI P N 345 0050 so rei SS Page 10 Install a waste jar assembly AZI P N 990 0200 on the marked SAMPLE DRAIN fitting as shown by sliding the jar onto the fitting and then rotating the jar counterclockwise underneath the stand so it rests on the jar support platform Removal is the reverse of installation If necessary use a screwdriver to loosen the two screws and adjust the height of the jar support platform Ensure the drain fitting is tight and inserted into the waste jar grommet to a point just above the MAX FILL LINE marked on the jar s label An airtight seal is required to accurately determine moisture in the product sample The waste jar must be emptied or replaced before the maximum fill line level is exceeded If the waste product residue blocks the drain port a clog detector will sense the blockage and prevent instrument operation until the cause of the blockage is removed Products that are solid at room temperature must be monitored as they will harden and block the waste outlet long before the jar is fu
24. The syringe be returned for calibration annually or if damage is suspected and e The syringe is cleaned with acetone before storing it away after each day s use RH Sensor calibration is similar to the calibration test but enables revised parameters to be saved into memory to optimize accuracy The information presented here will help you use the syringe AZI P N 990 0068 to perform the test described on the next page The syringe uses the volume inside the needle as its calibrated quantity Itis important to eject any trapped air to properly fill that volume Insert the syringe needle through the septum of the bottle AZI P N 990 0153 that has been filled with distilled or de ionized water Rapidly depress the plunger all the way and observe the needle tip for small bubbles If any appear repeat the cycle until none appear To reproducibly inject 0 5 uL of water with the supplied syringe AZI P N 990 0068 e Ensure the needle tip is pushed through a septum in the lid of a sample bottle and immersed in Drawn Position water e Pull the plunger past the 0 5 uL graduation The rod that goes through the lower Chaney fitting by the flange will be drawn through the hole in this fitting e Press in on the silver button on this lower Chaney fitting to close the hole e Depress the plunger until the rod touches the closed hole in the lower Chaney fitting e Hold the button in and the plunger against Silver Button Depressed
25. U Esc Se 1ct Town e From the MEMORY START MENU select MEMORY START MENU ADD EDIT MEMORY START ADD EDIT MEMORY STARI KREQHDER MEMORY START PRIHT MEMORY ETARTE e Move the cursor down to an available memory start setting a blank line e Select EDIT SAMPLE ID e Enter the ID name gt The Incr and Decr keys scroll through the alphanumeric characters gt The Left and Right keys move the cursor s position left and right TIP If a keyboard is included with your system use the arrow keys on the 101 key keyboard to navigate the menu system The keyboard makes entry of long strings of characters such as product names easy since all the alphabetic and numeric keys can be used while editing The F1 key serves as Esc gt When complete press Quit and Accept Page 23 Determine the Test Temperature gt Generally the instrument is relatively insensitive to the exact temperature used However too low a temperature will result in possibly low results Too high a temperature may cause sample to break down turn to a gummy solid tar or sludge release unwanted volatiles and or burn gt In most cases it is best to determine the temperature at which a physical change occurs in the sample material These are the temperatures where cooking oil begins to stick and crude oil becomes sticky This may be done in a separate oven where the temperature may be increased until an undesirable change t
26. ULT DISPLAY 8 1 4 SELECT HOW TO END THE TEST 8 1 5 SELECT SAMPLE WEIGHT ENTRY MODE 8 1 6 SET SYRINGE FEED TIME 8 1 7 CORRELATION FACTOR 8 1 8 DETERMINE SAMPLE SIZE 8 2 RUN MOISTURE TEST with 5cc Syringe MENU SYSTEM 9 1 MEMORY START MENU 9 2 STORED DATA MENU 9 3 CALIBRATION MENU 9 4 SETUP MENU 9 5 DIAGNOSTIC MENU CONDITION PROMPTS AND SYSTEM FAILURE CODES 10 1 CONDITION PROMPTS 10 2 SYSTEM FAILURE CODES COMMONLY ASKED QUESTIONS REPAIR AND MAINTENANCE 12 1 ACCESS COVER REMOVAL 12 2 INSTRUMENT COVER REMOVAL 12 3 REMOVAL OF AIR TUBE SENSOR BLOCK TO COIL 12 4 REPLACING THE CALIBRATION PORT SEPTUM 12 5 REPLACING THE SAMPLE PORT SEPTUM 12 6 HEATER COIL ASSEMBLY CLEANING 12 7 LEAK CHECK THE SYSTEM 12 8 FLOW RATE APPENDIX A AZI ZSP150 SP150 OR SCI SA800 DIGITAL BALANCE APPENDIX B SPECIFICATIONS AND RATINGS WARRANTY An updated electronic copy of this manual is available at www azic com Page 3 The VP Series Moisture Analyzers comply with the Underwriter Laboratories Inc standards and European Council Directives for Electrical Equipment for Laboratory Use electromagnetic compatibility and the stipulated safety requirements However improper use or handling of instrument can result in damage to equipment and or injury to personnel The VP Series Moisture Analyzers are identified as Equipment Class I Pollution Degree 2 and Installation Category II Read this manual thoroughly before using your moisture
27. Y SETUP gt Allows entry of the access codes used to prevent unauthorized alteration of stored parameter sets or stored data sets The MASTER KEY controls all functions The PARAMS KEY controls memory start parameter list access SEPTUM RECORD SETUP gt This function resets the injection port septum counter When the septum has been used 60 times a message will warn the operator to replace it When the replacement is accomplished use this function to reset the count to zero COIL SEPTUM SETUP gt This function resets the test coil injection port septum counter When the septum has been used 20 times a message will warn the operator to replace it When the replacement is accomplished use this function to reset the count to zero Page 35 SENSOR STATUS e VIEW SYSTEM SENSOR STATUS Displays RH SENSOR 8 360 current system status FLOW IH gt Moisture measured by the RH sensor BLOCK RID COIL RID i i RH RTD gt Carrier dry air flow rate as measured by the oT flow sensor FLOW MODE gt Sensor block temperature as measured by the sensor block RTD gt Coil temperature as measured by the heater coil RTD gt RH sensor temperature as measured by the RTD built into the RH sensor gt Current rate at which water vapor is flowing over the RH sensor and gt The dry airflow control mode SENSOR STATUS E E RH SENSOR 6 300 gt During a test this display changes to indicate FLOW IN 162 the TEST flow contr
28. akes place Set the test temperature 10 to 20 degrees below the observed temperature Set the Test Temperature gt Select TEMPERATURES gt Highlight TEST TEMPERATURE and press TEMPERATURES Edit TEST TEMPERATURE AFEC COLD START ENABLE OFF Use the Left and Right keys to move the cursor s position left and right Use the Incr and Decr keys to increase or decrease the numbers to set the desired EMERSI temperature Decr When complete press Quit and Accpt Select RESULT DISPLAY OPTION Press Edit Use the Incr and Decr keys to select the type of moisture value for the test result to be displayed Selections are gt Percentage of water gt Parts per million ppm of water and gt Micrograms ug of water measured When complete press Quit and Accpt Page 24 e Select ENDING CRITERIA e Press Edit e Use the Incr and Decr keys to choose the type of ending value gt Rate ends the test when the moisture evolved from the sample drops below the programmed microgram per second value Use RATE if you want to match an existing standard or method that utilizes a RATE criterion such as the KF titration method This method is extremely dependent on the amount of sample used and water collected during a test For repeatability testing use very consistent sample sizes that are all within 0 2 grams of each other gt Time ends the test when the programmed tes
29. and Rod Against the stop until the syringe is fully seated in Stop the instrument s Injection Port poe gt To prevent loss of water from the syringe by capillary action do not touch the needle tip to anything until it is inserted into the Calibration Port of the instrument Page 15 e When prompted by the instrument place the needle tip in the injection port at the top of the instrument and insert it straight down until the septum is contacted e Continue pushing the syringe in until the needle touches the bottom of the injection port Needle resting on septum Needle fully inserted to bottom e Release the silver button on the lower Chaney fitting and inject the 0 5 uL water by depressing the plunger fully with a firm smooth stroke This will dispense all water since the plunger wire displaces the entire capacity of the needle e Remove the needle from the injection port immediately Syringe fully depressed Page 16 This procedure is a check of sensor accuracy using the statistical calculations in the Analyze Stored Data function It will not affect the calibration constant value stored in the instrument The Sensor Calibration procedure is found in section 6 3 and that procedure does have the capability of changing the stored calibration constant e Remove the one microliter syringe from the box gt The syringe has been factory set with the actual calibration value listed on the calibration certificate
30. and the firmware version the MAIN TEST SCREEN will appear Heater on indicator 17277000 11 TURE 0100 Programmed oven temperature Data from last test Last test complete and saved 303 I TIME 00 01 00 HENRY SPECTO PRE S nenny e MEM Current sensor status READY TO TEST Current oven temperature To select another set TMemry Menu Graph of stored test parameters To view test s graphical data To access Main Menu options Main Test Screen e Allow the instrument to warm up for 20 minutes The VAPOR PRO Fx is designed to remain on at all times unless cleaning or other maintenance described in this manual is being performed Therefore a warm up period should not be necessary before performing normal testing e From the MAIN TEST SCREEN press OFF Menu to reveal the MAIN MENU Use the LAST A B PPN H20 4 buttons below the display on the front panel to A P pg move through the menu screens and system 80 08 aa settings wexRH SENSOR CAL aE LECTS PRESS MEMRY READY I TESI M25 Memry Menu Graph Main Test Screen MAIN MEHU aa MEMORY START MENU e Move the cursor down to highlight the STORED DATA MENU DIAGNOSTIC MENU CALIBRATION MENU SETUP MEHU DIAGHOSTIC MEHU Press Selct Esc Selct Up Select Diagnostic Menu Page 13 Verify the VIEW SYSTEM SENSOR STATUS DIAGNOSTIC MENI a i e Press Selct again to view the SENSOR Hini a a Se a STATUS SCREEN PRIHI EXCEPTIO
31. aptor 990 0068 e At least five 5 tests are required for a calibration Valid tests those tests not affected by improper syringe technique should be used to obtain optimum results e When READY TO TEST is displayed on the MAIN TEST SCREEN press and or select in order gt Memry gt RH SENSOR CAL e Perform calibration injections until at least five 5 valid tests are obtained Page 19 NOTE The following are abbreviated steps Refer to CALIBRATION CHECK on page 17 for more complete instructions for the test gt Prepare the syringe with distilled or deionized water Insert the syringe into the septum of the sample bottle and fill the syringe Rapidly depress the syringe s plunger to expel any air in the barrel Fill the syringe and hold the plunger against the stop Remove the syringe from the bottle gt Press START gt When the HAND INJECT WATER NOW prompt flashes on the display in one continuous motion Insert the syringe into the instrument s injection port to the stop Rapidly press the plunger down and Remove the syringe From the MAIN TEST SCREEN press and or select in order Menu CALIBRATION MENU PERFORM RH SENSOR CAL gt Highlight and Selct the desired tests to be included in the calibration gt Press Cal The screen will display the calibration water mass Press Edit to modify the calibration water mass if it does not match the value on the syri
32. ard the results for unit stability reasons Run as many tests as desired One test is normally used for a confidence test while three 3 or more are used to determine if a calibration is required Page 17 e If desired perform four more calibration tests and calculate the statistics If this is a 21 CFR Part 11 compliant instrument all readings must be recorded by hand AZI recommends using a printer to capture the values The calculations must be performed on a calculator since the instrument s storage and analysis functions are disabled e Mean Standard Deviation and Coefficient of Variation are calculated using the following formulas gt Mean total of results divided by number of results 7 E x x gt Standard Deviation aa n gt Coefficient of Variation Standard Deviation divided by Mean times 100 e After the fifth test press Menu for MAIN MENU gt Press Selct for STORED DATA MENU Not available in 21 CFR Part 11 compliant instruments gt Press Selct for ANALYZE STORED DATA gt Highlight and Selct the desired results to be included in the statistics and gt Press STAT to calculate Average Standard Deviation and Coefficient of Variation The average should fall within 5 of the syringe s calibrated value Ifthe mean result does not fall within the 5 range perform the sensor calibration in section 6 3 SENSOR CALIBRATION on page 19 Page 18 NOTES A one mi
33. cro liter 1 uL syringe which has been calibrated to 0 5 uL in volume with the exact weight in micrograms ug clearly visible or an NIST traceable syringe set to 0 5 uL or 500 ug is normally used for this calibration If another value is used acceptable limits given in percent in the following procedure can be used to determine the success of the calibration Since the operator near the end of the calibration process enters the value of the syringe nearly any syringe calibrated around the luL range can be used The syringe has a very small barrel and piston that must be properly cared for to assure a correct injection is delivered to the instrument After use the syringe must be cleaned with acetone and stored in a desiccant box or it will freeze in place due to corrosion Clean the syringe by placing the needle in acetone operating the plunger several times and storing it with the plunger all the way in If the syringe becomes frozen the needle may free up if soaked in water or acetone for 15 20 minutes If it does not move freely after soaking it should be replaced The syringe should be returned to AZI for calibration annually or if damage is suspected Contact AZI Customer Service to obtain a Return Material Authorization RMA number and prompt replacement AZI Part Numbers of commonly used items Injection Port Septa 990 0058 luL Syringe calibrated to 0 5uL or as specified in the calibration certification with Chaney Ad
34. ct the probe cable into the mating connector on the interface box gt a Connect the RS 232 cable between the interface box and the Scale Input Port on the back of the instrument Connect the AC Power Adaptor into an appropriate AC outlet and plug the DC Plug into the power jack on the interface box Page 21 From the Main Test Screen press or select in ENTER DEVICE DATA INTERFACE CEEE Menu PROBE tt H4567 CERT DATE 61 02 2082 CALIBRATION MENU TEMPERATURE CALIBRATION ENTER DEVICE DATA gt Enter the appropriate data for the interface serial number probe serial number and calibration certification date Esc Edit Down The interface serial number and certification date are located on the temperature calibration interface label the black box The probe number is located on the probe cable Return to the TEMPERATURE CALIBRATION MENU highlight VERIFICATION SETUP and press Selct gt The purpose of the verification function is UERIFICATION SETUP to confirm whether the calibration was yy AUTO WERIFY ON successful or not at a given set of temperatures The verification process can TEMP 2 126 be run automatically following the Tae a He calibration by selecting ON at the AUTO VERIFY prompt C Esc JEdit Up Doun gt The rest of these instructions assume that the verification is being run automatically AUTO VERIFY ON To select which temperature s will be verif
35. ction Limit Special Service Carrier Dry air Rear Panel Connections Side Panel Connections Resolution Repeatability Automatic Test Ending Method Certifications Approximately 150 mm 5 75 x 370 mm 14 5 x 360 mm 14 Approximately 8 6 kg 19 lbs 100 120 volts 50 60 Hz 1 amp standby or 8 amps heat on or 220 240 volts 50 60 Hz 0 5 amp standby or 4 amps heat on 5 to 40 C 0 to 80 RH non condensing 2000m max altitude indoor use Optimum results are obtained from 20 to 40 C 25 C to 200 C electronically controlled in 1 C increments Temperature controlled to 1 C of set point 0 1 microgram water Dry nitrogen or dry air 40 C dew point or lower is suggested at 12 to 20 psig user supplied or the Dry Air Generator AZI P N Y990 0143 Parallel printer port PC standard 9 pin RS 232 9600 N 8 1 9 pin balance comm proprietary protocol and cable Power cable receptacle with interference filter Carrier dry air inlet barb fitting Carrier dry air outlet barb fitting Tested sample drain barb fitting PC keyboard DIN socket 0 1 micrograms 0 1 ppm 0 0001 Depends on sample properties and syringe technique typically CV is less than 10 for moisture levels greater than 0 1 and 15 for moisture levels below 0 1 Rate Threshold user adjustable Time user adjustable Time then Rate user adjustable US and Canadian Underwriters Laboratory European Communities CE
36. d time can be altered to optimize speed and accuracy Performance Designed for either lab or production floor use the Computrac VAPOR PRO Fx uses patented state of the art technology specifically designed to provide accurate and precise results in a timely manner This ensures that product quality is achieved and maintained The Computrac VAPOR PRO Fx stores up to 102 programmed memory settings for materials and retains the data from the last 30 sample test runs The software automatically calculates the statistics of any selected stored data upon demand All retained test data can be automatically sent to an external printer or personal computer at the end of a test or on request A factory calibrated syringe provided in the accessory kit permits quick and easy system verification System calibration is checked in just minutes using the calibrated syringe and de ionized or distilled water Re calibration is a menu driven procedure to assure accurate and reliable results day after day Built in self diagnostics constantly monitor system conditions to detect and report any abnormalities in the hardware software moisture sensor or flow system Page 6 PRINCIPLES OF OPERATION O The Computrac VAPOR PRO Fx utilizes a coiled tube heater a controlled sample injection system a dry airflow system and a moisture sensor The instrument injects a metered flow of a liquid sample into the heated tube Volatiles driven off from the samp
37. e weight entry syringe feed time and correlation factor REORDER MEMORY STARTS gt Allows the list of stored parameter sets to be rearranged It also deletes sets no longer needed or copies existing sets to another location using the cut and paste method PRINT MEMORY STARTS gt Prints a list of the stored parameter sets on the attached printer or to an attached computer See the menu selections of Printer Setup and Report Setup Report Content to arrange the instrument for this purpose This function is not available on 21 CFR Part 11 compliant instruments VIEW STORED DATA gt Allows viewing and printing of all data stored for a given test ANALYZE STORED DATA gt Permits selection of stored data sets for statistical analysis Statistical analysis includes mean standard deviation S D and coefficient of variation C V REORDER STORED DATA gt Rearranges the order of the list of stored data sets It also deletes sets no longer needed or copies existing sets to another location using the cut and paste method DELETE STORED DATA gt Facilitates deletion of selected data sets Selection by line date or all items Page 32 e PERFORM RH SENSOR CALIBRATION gt To be used carefully and only when required to calibrate the moisture sensor This selection uses the stored data sets and the calibrated syringe volume to calculate and store the calibration constant in the instrument e EDIT SYS
38. ed trademark of Seiko Epson Corporation Windows is a registered trademark of Microsoft Corporation in the United States and other countries Arizona Instrument LLC Computrac VAPOR PRO Fx Moisture Analyzer Part Number 700 0024 Revision K July 2011 If you have any questions regarding the operation of this instrument please call for assistance Arizona Instrument LLC 3375 N Delaware Street Chandler AZ 85225 800 528 7411 602 470 1414 Fax 480 804 0656 http www azic com email azZi azic com General intl azic com International support azic com Customer Support Page 56
39. emicals should never be used Additionally never use these substances as cleaning agents on or in the Computrac VAPOR PRO Fx instrument Use isopropyl alcohol for cleaning instead Page 41 Q What is good syringe technique A Good syringe technique is essential to accurate calibration The syringe uses the volume inside the needle as its calibrated quantity It is important to eject any trapped air to properly fill that volume Insert the syringe needle through the septum of a sample bottle of clean water distilled or de ionized water Depress the plunger all the way down Slowly withdraw the plunger to the stop Rapidly depress the plunger all the way and observe the needle tip for small bubbles If any appear repeat the cycle until none appear Slowly withdraw the plunger to the stop and hold it against the stop while withdrawing the needle from the septum To prevent loss of water from the syringe by capillary action do not touch the needle tip to anything until it is inserted into the calibration port of the instrument Start a RH SENSOR CAL see page 19 When prompted by the instrument place the needle tip in the injection port at the top of the instrument and insert it straight down until the septum is contacted Push it in until it touches the bottom of the injection port Be careful not to move the plunger while inserting the needle Depress the plunger all the way with a firm smooth stroke Remove the needle from
40. ent starting or completing of a moisture test Following each condition prompt are possible causes and recommended solutions INPUT CARRIER DRY AIR FLOW LESS THAN 40 mL Min This prompt results when the source flow into the instrument falls below the specified rate Source of carrier dry air not connected Source connected to flow out barb THE RH SENSOR WAS NOT READY This is a normal condition between tests indicating the drying or zeroing of the sensor If the condition persists for more than a few minutes then Possible Cause Recommended Solution Flow system contaminated Locate and eliminate contamination System unusually wet Wait for system to dry Install change external desiccant Wet source dry air chamber SEPTUM CHECK WARNING The septum at the calibration injection port has experienced 60 water injections and may be in danger of losing its core into the flow system Change the septum and reset the counter by selecting SETUP MENU from the MAIN MENU then SEPTUM RECORD SETUP and then press GO COIL SEPTUM WARNING The septum at the test coil injection port has experienced 20 injections and may be in danger of developing a leak Change the septum and reset the counter by selecting SETUP MENU from the MAIN MENU then COIL SEPTUM SETUP and then press GO SUMP OR COIL IS CLOGGED Clean out the sump or coil before running tests Turn power off and back on after clog is cleared
41. eseeable and whether or not based on breach of warranty contract or negligence in connection with the sale of such products Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you No other warranty is expressed or implied including the warranties of merchantability or fitness for a particular purpose In no event shall AZI be liable for consequential and or incidental damages The effective warranty begins on the date of purchase by or lease to the first end user owner Keep the dated bill of sale or invoice for evidence of the effective warranty date when warranty service 1s requested In the event that any questions or problems should arise in the use or application of your Computrac VAPOR PRO Fx instrument call AZI Customer Service or your technical sales representative Contact Customer Service for extended warranty information Page 55 TRADEMARK AND COPYRIGHT PROTECTION Computrac VAPOR PRO Arizona Instrument and the stylized AZI are all registered trademarks of Arizona Instrument LLC Instrument firmware is copyright protected All specifications subject to change without notice US Patent No 5 712 421 Other US and Foreign Patents Pending Copyright 2002 2011 Arizona Instrument LLC All Rights Reserved Drierite is a registered trademark of W A Hammond Drierite Company Ltd Epson is a register
42. he unit in a fume hood capable of removing the vapors The heated coil in the instrument is stainless steel but other portions of the flow system are aluminum Check for compatibility of substances to be tested before injecting them into the instrument e The user has the responsibility for carrying out appropriate decontamination if hazardous material is spilt on or inside the VP Series Moisture Analyzers CLEANING e Clean the VP Series Moisture Analyzers according to the cleaning instructions only Use of strong detergents and oven cleaners will damage the case and heater housing e Before using any cleaning or decontamination method except those recommended by Arizona Instrument check with AZI Customer Service at 1 602 470 1414 or 1 800 528 7411 to ensure that the proposed method will not damage the equipment e The outside housing of the VP Series Moisture Analyzers should be cleaned with a mild household detergent such as 409 and a soft lint free cloth Paper towels should never be used as they will scratch the instrument s finish and the clear lens over the display If methods that are more stringent are required call AZI Customer Service at 1 602 470 1414 or 1 800 528 7411 for recommendations e Isopropyl Alcohol is used to clean the heated coil and discharge components under normal circumstances Follow the directions contained in this manual beginning on page 48 e Every precaution has been taken to preve
43. hod is used when all samples are of the exact same weight for accurate moisture analysis or close enough to an average value for approximate moisture analysis The program will wait until a fixed weight value is entered gt Volume This method is used when the sample volume is known but the weight or density are not The instrument assumes a density of 1 so this mode is not recommended if the density is believed to be significantly different than 1 gt Density This method is used when the density of the sample is known but the actual sample weight is not known or cannot be determined Page 25 e Select SYRINGE FEED TIME e Press Edit gt Syringe Feed Time is the total time for the sample to be completely injected into the instrument s heated coil When using a 5cc syringe one 1 minute per cc is usually acceptable When using the 1cc syringe one minute per 2cc is usually acceptable To reduce the overall test time reduce the syringe feed time in increments until evolved moisture begins to reduce A fast feed time will probably not produce an accurate result Each Memory Start also has a Correlation Factor parameter This parameter defaults to 100 for all Memory Starts Use 100 for all samples unless it is found by experiment that another value is more appropriate Contact AZI Customer Service for help in determining the proper value for difficult applications e If you are attempting to match KF analysis
44. ic com Page 8 Place the instrument on the support stand AZI P N 990 0227 included in the Accessory kit as shown Using 1 8 ID clear tubing AZI P N 345 0050 attach a dry nitrogen or dry carrier air source to the Carrier Gas Inlet Port on the back of the instrument Shown to the right of the fan gt Carrier gas source should be dry nitrogen but may be dried facility air or air from a dry air generator if the product under test is non flammable and non explosive The pressure from the compressed gas cylinder is very high and is normally reduced by a two stage regulator The pressure from the compressed air or nitrogen system in most facilities will be at moderate pressure and normally require only a single stage regulator The AZI dry air generator AZI P N Y990 0143 produces the pressure required by the instrument and no additional regulator is needed if the dry air generator is used Although designed for portable operation the dry air generator should never be used with a potentially flammable or explosive product Only dry nitrogen should be used with these products and all environmental considerations for safety observed Examples of regulators capable of regulating pressure acceptably are as follows gt For cylinder applications Multi stage Gas Regulator for Compressed Air Cylinder VWR 55850 474 or equivalent Page 9 gt For supplied gas sources Matheson Gas Products M
45. ied scroll down to the TEMP prompt and press Edit If you do not wish to edit the temperatures press Esc and move to the next step gt Using the arrow keys enter the temperature you wish to verify and press QUIT and Accpt The temperatures selected should be the ones that best represent those used for your product s When finished press Esc Highlight RUN TEMP CAL and press Selct The next screen will ask to ensure that you have the temperature calibration device If the device is hooked up press Go When the verification is complete the screen will display either the statement Verify Passed or Verify Failed Press Go at the bottom of the display to return to the CALIBRATION MENU If a printer is available highlight and select Print Temp Cal Report If the unit failed at any given point save the data and run the calibration again to improve the results When the calibration is complete turn the instrument off and disconnect the calibration interface Press Esc until returned to the Main Test Screen Page 22 The Computrac VAPOR PRO Fx has 102 available positions to store test parameters for different materials Storing the parameters ensures that each test of the same material will use the same parameters to assure accurate reliable and repeatable testing e From the MAIN MENU select MEMORY MAIN MEHL PE MEND SIOHED DATA MEHU CALIBRATION MERU CETUP HELI DIAGNOSTIC MEH
46. ing conductor e Do not remove the protective grounding wire from the power supply circuit e With the power switch off power is still applied to the power entry module Disconnect the power cord from the instrument to ensure complete power removal e Position the power cable so that it cannot touch any hot areas of the moisture analyzer e Use only AZI supplied accessories and options with VP Series Moisture Analyzers or check with AZI before using any third party accessories such as printers and analytical balances to verify compatibility e If there is visible damage to the VP Series Moisture Analyzer or its power cord unplug and isolate the unit first and then call Customer Service e Do not open the analyzer housing of the VP Series Moisture Analyzer There are no user serviceable parts or adjustments inside the unit Any maintenance inside the unit is to be performed by factory trained technicians only Any unauthorized inspection and or maintenance of the VP Series Moisture Analyzer will void the warranty Prevent excess heat build up around the analyzer e When setting up the moisture analyzer leave enough space to prevent heat from building up and to keep your analyzer from overheating Leave 20 cm about 8 inches around the moisture analyzer and 1 meter about 3 ft above the unit e Do not put any flammable substances on under or near the right side of the moisture analyzer The area around the heated coil wi
47. instrument to print to the RS 232 port SETUP MENU EXTERNAL PRINTER SETUP Go to SETUP MENU REPORT SETUP REPORT CONTROL and select TEXT OUTPUT Go to the screen showing Print and select the report to be printed Set up the computer to receive text information into its serial port at 9600 baud no parity 8 data bits and 1 stop bit 9600 N 8 1 Windows Terminal or Windows HyperTerminal are good choices for this purpose Consult the documentation for your communications program for details on how to save input data to a file Page 42 Q How do I print to a printer A To print test results or stored data Connect the printer to the parallel port on the back of the instrument Use the accessory printer kit from AZI or most any PC compatible parallel printer and cable Make sure the printer is supplied with paper the printer power is on and the printer 1s online Go to SETUP MENU and EXTERNAL PRINTER SETUP Select the PRINTER TYPE and LPT port NOTE Use EPSON RASTER for the Epson C88 printer Go to SETUP MENU REPORT SETUP and REPORT CONTROL Select text output Go to the screen showing Print and select the report to be printed 12 _REPAIR AND MAINTENANCE Routine maintenance consists of checking for clogs and cleaning or replacing the flow path and or sensor For clean samples those that do not produce volatiles other than water this is seldom necessary For some samples it may be necessary more often
48. le are picked up by the dry air and passed to a sensor block containing the relative humidity RH sensor where the evolved moisture is measured The moisture data along with control parameters are input to a microprocessor where the collected data are converted into an accurately displayed indication of the moisture content in the sample The instrument then displays the result in terms of e Parts per million ppm H20 e Micrograms ug H20 or e Percentage H20 Dry Air Out Moisture Data 7 Control i i Sample Syringe Motor Dry Air In Flow Flow Rate Sensor Regulator The moisture sensor used to detect water in the dry air stream is a polymer capacitor relative humidity sensor The reading from this sensor is combined with sensor block temperature and outlet flow rate to determine absolute micrograms of water per second Test parameters such as temperature ending criteria and sample weight entry can be changed to optimize test accuracy See Appendix B beginning on page 54 for detailed specifications and operating limits Page 7 4 UNPACKING O O S O Unpack the instrument and locate the following items ITEM Computrac VAPOR PRO Fx Accessory Kit Power Cord varies with area 1 2 18 X 1 5 Needle Luer Fitting use with Glass Syringe for sample testing 2 18 X 2 0 Needle Luer Fitting use with Plastic Syringe for sample testing l 22 X 2 0 Needle Luer Fitting use with
49. ll If the clog detector MAXIMUM wes Lima stops the instrument before the waste jar is full and Momus SEa TS WHEN PuL ITH JAR TO TEST no obvious reason is seen call AZI Customer Service at 800 528 7411 or 602 470 1414 for assistance l Lb If you plan to use a printer electronic balance and or computer connect them to the marked connectors at the back of the instrument The accessory keyboard connects into a DIN connector on the side of the instrument Connect all accessories while the instrument is turned OFF and power ON the accessories before powering ON the instrument Power control and fuses are located at the rear of unit The power entry module must be configured for the voltage supplied to it This will be either 100 to 120 VAC or 220 to 240 VAC The unit is configured at the factory for the destination country at time of shipment However to ensure the unit is configured correctly verify the arrow indicator on the fuse holder points to the proper voltage for your environment before connecting to a power source Voltage Indicator Arrow Page 11 To change from 110 to 220VAC or from 220 to L1LOVAC gt Ensure the power switch located next to the fuse holder is in the off O position gt Remove the fuse holder from the power entry module by prying with a small flat screwdriver gt Change the fuse A unit operating from 100 120 VAC should have two 8 amp slow blow fuses AZI P N 190 1001 A u
50. ll heat up e Use extreme care when handling the discharge from the instrument Although the liquids may cool rapidly they will still be very hot at the liquid outlet and drain tube HAZARDS FOR PERSONS OR EQUIPMENT POSED BY USING SPECIFIC SAMPLES Flammables explosives substances that contain flammables explosives solvents and or substances that release flammable or explosive gases or vapors during the drying process e If flammable or explosive liquids are tested the gasses escaping through the back of the unit are still dangerous when they are exposed to the atmosphere Fume hoods may offer partial protection but the potential danger will still be present The user shall be liable and responsible for any damage that arises in connection with the VP Series Moisture Analyzers and potentially harmful substances e Do not test liquids with a boiling point at or below 70 C 158 F e Substances containing toxic caustic or corrosive substances may be analyzed with the unit in an appropriate fume hood only The fume hood must keep the work area below the lower toxic limit established by appropriate standards e Substances that release caustic vapors such as acids should be analyzed in the smallest sample size possible to still achieve satisfactory results If vapors condense on the VP Series Moisture Analyzers housing parts stop the testing wipe the surface clean with a suitable neutralizer AZI P N 700 0024 K and place t
51. nce sensor calibration is easily performed daily verification is recommended A 2 Check for leaks at Waste Jar If performing a sensor calibration as described above does not bring the water injection results into range there may be a gas leak at the waste jar There are two ways to troubleshoot this situation depending on whether or not a flow meter is available With a flow meter 1 From the MAIN TEST SCREEN select Menu gt Diagnostic Menu gt View System Sensor Status 2 Connect the flow meter to the gas outlet port on the back of the instrument 3 Ifthe reading on the flow meter is less than the FLOW IN reading on the instrument screen and the difference is greater than 10 mL min then there is a leak 4 Adjust the position of the waste jar slightly while observing the reading on the flow meter until the reading on the flow meter matches the FLOW IN reading on the instrument screen 5 If the two readings cannot be made to match by adjusting the position of the waste jar try replacing the waste jar with a new one Without a flow meter 1 From the MAIN TEST SCREEN select Menu gt Diagnostic Menu gt View System Sensor Status 2 Verify that the displayed FLOW IN is 100 10mL min If itis not adjust the flow according to the procedure in 12 8 FLOW RATE and retry the sensor calibration before proceeding 3 Fill a clean 200mL beaker with approximately 100mL fresh water 4 Connect an 8 12 piece of tubing
52. nge or press Go if the mass is correct gt Press Quit and Accpt to exit edit mode and accept the new value then press Go to move to the Calibration screen gt Review the results of the calculation Th SENSOR CALIBRATION SS SAMPLES 5 gt Coefficient of Variation should be less MEAN 526 4 po H20 CAL MASS 582 86 po H20 than 2 COEF OF VAR 8 92 x gt If acceptable press Accpt to save the new GAL CONST 5 x calibration constant HIT AGCPT TO SAVE CAL DATA HIT QUIT TO DISCARD CAL DATA The new calibration constant will remain in Touit Accpt 1 memory until the next sensor calibration 1s performed The injections used for this calibration will be automatically deleted so they will not be used for the next calibration Press the Esc key twice and the MAIN TEST SCREEN appears Perform at least one more water injection to verify the accuracy of the calibration Page 20 Parts Required Amt 1 1 AZI Part Number Description Temperature Calibration Kit with 9 VDC 100 mA 3 5 mm male plug positive tip DC Adaptor Y990 0098 Graphics Printer with cable optional Y990 0142 Install the Temperature Calibration Probe from the Temperature Calibration Kit into the port on the right side of the instrument as shown The probe must be inserted all the way in until the handle is flush with the case Run the cable around behind the instrument to help hold the probe in place Conne
53. nit operating from 200 240 VAC should have two 4 amp slow blow fuses AZI P N 190 1002 gt Turn the fuse holder around and slide it back in so that the arrow indicator on the power entry module is pointing to the correct voltage for your environment Remove the power cord from the packing material and insert the rectangular end into the power receptacle located on the other side of the fuse holder Never use any power cable other than the one provided or one of equivalent UL CSA CE recognized ratings The power source outlet used by the VAPOR PRO Fx MUST BE GROUNDED If you are not sure if the socket is grounded check with your plant electrician before proceeding The VAPOR PRO Fx will appear to function correctly even if the socket is not grounded but there is a danger of possible electrocution If grounded outlets are not available consider using a ground fault interrupter to protect personnel against electrical shock Plug the line cord into its dedicated electrical power outlet Line noise on the power lines may affect accuracy A dedicated AC power line or an isolation transformer may be beneficial in eliminating this noise and increasing the accuracy of the moisture determination Never cover the power receptacle so that the power cord cannot be removed quickly and easily Page 12 e Toggle the power switch at the rear of the unit to the ON I position e After a quick view of the instrument identification
54. nsure that no acetone 1s injected into the instrument as it will affect or destroy the RH sensor Q How do I dry the instrument after an upset A When the instrument has been flooded with moisture either by running a very wet sample or by exposure to a wet gas supply it will be necessary to dry the entire flow system before normal operation can be resumed e Inspect the tubing sensor block and needle to be sure that no contaminants are present that might absorb and release large quantities of water If contamination is present replace the contaminated parts with new parts e Confirm that the carrier dry air supply is dry AZI recommends that the desiccator cylinder supplied with the accessory kit be used in line with the dry air supply e Begin drydown of the system Go to the Memory Start list and select Dryness Test Start the test and periodically examine the rate graph display to see if the moisture rate is falling If the moisture rate remains at a very high level a source of water is present in the system and must be removed before dry down will succeed Normally the rate will begin to decline after one 1 to three 3 minutes and eventually will fall to less than 1 ug sec When the moisture is below the 1 ug sec normal testing can resume Q What about RH sensor interferences A The only known interferences are from ammonium hydroxide ethanol methanol and acetone Samples containing these and similar ch
55. nt contaminants from entering the unit However if liquids or powders do enter the case call AZI Customer Service at 1 602 470 1414 or 1 800 528 7411 for recommendations The user shall be liable and responsible for any damage that arises in connection with the use this moisture analyzer ENVIRONMENTAL CONDITIONS Storage and Shipping e Temperature should be between 0 C to 40 C 32 F to 104 F e Relative Humidity should be between 10 and 80 OPERATIONAL CONDITIONS INDOOR USE e Optimum results will be achieved when the unit is set ona smooth level and vibration free surface in a non condensing non explosive environment of 0 40 C 50 relative humidity and 0 31 C 80 relative humidity e Do not expose the moisture analyzer unnecessarily to extreme temperatures moisture shocks blows or vibration UNPACKING THE MOISTURE ANALYZER e After unpacking the moisture analyzer check it immediately for any visible damage as a result of rough handling during shipment Save the box and all parts of the packaging to use when returning your moisture analyzer for calibration Only the original packaging provides the AZI recommended protection for shipment Before packing your moisture analyzer for shipment unplug all connected cables to prevent damage during transit WARNING SYMBOLS D Protective Ground Identifies the connection on the Chassis and Power Inlet Module for connection of the safety gr
56. odel 3473 Series Single Stage Line Regulator or equivalent Connecting tubing must be AZI P N 345 0050 clear impermeable tubing unless otherwise indicated to prevent introducing moisture into the carrier gas system Tubing size is 1 8 ID X 1 4 OD A desiccant bed that removes moisture from the carrier gas is supplied with each instrument As the following drawings illustrate the desiccant is placed just before the inlet connection of the instrument The desiccant turns from blue to pink as it absorbs moisture When the entire column of desiccant is pink it will no longer absorb moisture and the desiccant must be replaced or regenerated to restore the drying capacity Instructions on the Drierite website tell how to regenerate the Drierite for continued use For further information contact W A Hammond Drierite Co Ltd at 937 376 2927 or at www drierite com The following diagrams are not to scale but illustrate the preferred connecting arrangements gt Cylinder with two stage regulator is connected to the desiccator with clear a tubing AZI P N 345 0050 The loss desiccator is connected to the leso instrument with the same type of foes tubing Pressure to the instrument is ieee set to 12 20 psi gt The facilities air or nitrogen supply is usually connected to a wall or bench mounted regulator The regulator is connected to the desiccator with clear tubing AZI P N To gas supply lt f 345 0050
57. ol mode is active BLOCK RID AGE COIL RID RH RTD H20 PLOW FLOW MODE e MANUAL FLOW CONTROL MENU gt This menu allows manual control of the dry airflow to test and analyze possible system faults OFF returns the system to automatic control of the flow state COIL PURGE turns the high airflow rate on to clear the coil and sump of remaining fluids If any manually controlled flow state is used ensure the manual flow control is set to OFF before attempting normal operation If this is overlooked an error message will be appear on the screen e VIEW SYSTEM EXCEPTIONS gt A list of the last 20 faults detected by the instrument diagnostic system Print the list and fax it to AZI Customer Service at 800 528 7411 or 602 470 1414 to assist in diagnosis of possible system failure e PRINT EXCEPTION REPORT gt Prints the stored list of instrument diagnostic exceptions 1 An RTD is a Resistive Temperature Detector that is used to measure temperature Page 36 10 _ CONDITION PROMPTS AND SYSTEM FAILURE CODES To assure proper performance your Computrac VAPOR PRO Fx uses an intelligent self diagnostic system to detect any problems in the hardware software sensors or flow system Operating abnormalities and fault conditions will result in condition prompts or system failure codes They will be recorded in the Exception Reports table Condition prompts indicate operating conditions that prev
58. ound green yellow lt pend 0 on t Warning Information or procedure that must be observed gt Electrical Shock Hazard Observe all steps of the procedure to prevent electrical shock gt Warning Hot surface or area of possible severe burns Use listed precautions when using the instrument and handling samples to prevent injury Page 5 2 INTRODUCTION o Arizona Instrument is proud to continue its leadership role in the development of new technology in the moisture analysis industry A revolutionary moisture analyzer with a detection limit of 10 ppm the Computrac VAPOR PRO Fx uses a sensor based technology and correlates to the Karl Fischer coulometric titration method with an oven attachment in precision and accuracy The analyzer does not utilize reagents minimizes consumables and is simple to operate Principles of Operation The Computrac VAPOR PRO Fx injects a sample of test material into a coiled tube heater Evolved volatiles are picked up by a dry airflow system and passed to an analysis cell where the moisture content is measured A microprocessor integrates the varying moisture signal and converts the signal to micrograms of water for display Results are available in parts per million percent moisture or total micrograms of water The heating range of the instrument is 25 C to 200 C Test parameters such as sample size heater temperature ending test criteria and syringe fee
59. ple g ee lt Expected Moisture If Expected Moisture 0 05 Then Maximum Sample 0 1 05 2 0 grams gt These are only guidelines and the sample volume should remain between 1cc and S5cc Experiment with your sample to refine the size estimates to achieve your desired speed and accuracy Note that if you are using a rate ending criterion and the peak moisture rate is less than five 5 times the rate threshold the sample sizes should not be allowed to vary more than about 10 Large variations in sample size will lead to large variations in results For some products better results are obtained when fed into the VAPOR PRO Fx from a Icc Iml syringe An adaptor is available from AZI to allow the syringe transport to handle the Icc syringe The adaptor will be installed at the factory when it is ordered with a new instrument It may be removed and or installed at any time The adaptor is AZI P N 300 0559 and the one time use Icc plastic syringe is AZI P N 990 0203 The adaptor drops into the transport in place of the Scc syringe and is held in place by a jam screw The syringe filled to a maximum of 0 8cc is placed into the adaptor and tests are run following the usual procedure described in the next section Note orientation of the Icc syringe Page 27 e Tare a clean empty syringe e Based on the expected moisture content of the sample determine optimum sample size using the equation on page 26
60. the injection port immediately Store the needle in a dry place A desiccator box is a good choice If water is allowed to remain in the needle it will cement the needle bore and plunger wire together If this happens do not force the plunger to move as this will break the wire Instead insert the needle into the water bottle and let it soak for 15 minutes or until it moves freely If the syringe is damaged or is in need of annual calibration contact AZI Customer Service at 800 528 7411 or 602 470 1414 for a replacement After receiving an RMA number return the damaged syringe to AZI for repair service Q Why do my tests sometimes end in less than 2 minutes A This is usually caused by an inappropriately large rate ending criterion value or the syringe feed rate is set too slow A rate ending criterion and a syringe feed rate were entered during setup up for the sample test If the sample moisture is very low the sample is too small or the feed rate too low the peak rate will never exceed the ending rate and the instrument concludes that the test is over To rectify this use a larger sample a lower ending rate value or a slower syringe feed rate See section 8 1 4 SELECT HOW TO END THE TEST on page 25 or Section 8 1 6 SET SYRINGE FEED TIME on page 26 Q How do I transfer stored data to a computer file A To store archival information in a computer text file before deleting it from the instrument memory set up the
61. ting period has elapsed The test will end when a selected amount of time has passed Any value from 001 to 999 minutes may be entered Fixed time ending is useful when conducting application characterization tests or when investigating long term stability of the instrument gt Time then Rate ends the test when the moisture evolved from the sample drops below the programmed microgram per second value after the programmed time period has elapsed This ending criterion is useful for samples that take a long time to heat up before evolving moisture or in other words when the rate curve for a sample stays low for a period of time before rising significantly once the moisture starts evolving e Select SAMPLE WEIGHT ENTRY MODE e Press Edit gt Manual Weight Entry allows manual entry of the sample weight The program waits at the start of a test until the sample weight in grams is entered An analytical balance is used to weigh the syringe before and again after it is filled The empty syringe weight is subtracted from the full syringe weight and the result entered manually into the instrument as the sample weight gt Digital Balance allows the serial connection between a digital balance and the instrument to input the measured weight of the sample The empty syringe is tared filled and placed back on the balance The sample weight is communicated directly from the balance to the instrument gt Fixed Sample Weight This met
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