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Innova - User Manual

1. 56 Parts List and Accessories Description Cal kit CH4 03 CO HCN Cal kit CH4 O CO NH Cal kit CH4 O CO NO Cal kit CH4 O CO NO Cal kit CH4 O CO SO Cal kit CH O j CO PHs Cal kit CH4 Oy H S HCN Cal kit CH4 O H S NO Cal kit CH4 O H S SO Cal kit CH4 O Cl NO Cal kit CH4 O Cl PH3 Cal kit CH4 O HCN NH Cal kit CH4 O HCN NO Cal kit CH4 O gt HCN PH3 Cal kit CH4 O NH NO Cal kit CH O NH PH Cal kit CH4 0 NO NO Cal kit CH4 O gt NO PH Cal kit CH4 O NO PH3 Cal kit CH4 O SO PH Cal kit CH4 O CO Land Surveyor Cal kit CH4 O H S Land Surveyor Regulator demand flow 34 58 103 liter cylinders Regulator demand flow 17 liter cylinders Confined space kit non H S Confined space kit any H3S version 1 8 hex wrench Cable serial Data retrieval kit 71 6417 B INTERFERENCE FACTORS The following factors interfere with the accurate gas measurement capability of the Innova e Filament poisoning e Rich mixtures e Oxygen deficient mixtures e Oxygen enriched mixtures Interfering gases e Response to various combustible gases Filament Poisoning Silicone vapors and chlorine and fluorine compounds such as chlorinated hydrocarbons can damage the HC sensor and interfere with accurate LEL readings Such compounds even in small proportions should be avoided Verification checks on known gas samples are necessary if the possibility of exposure to these
2. BEGIN CAL message Begin at step 1 to start over Conversion Factors Because the instrument is calibrated with hexane a conversion factor must be applied when measuring other gases Refer to Table B 2 for the conversion factors Thermo Fisher Scientific provides estimates of these values but the response varies from instrument to instrument and these data should be used for estimation purposes only CAUTION Note that the response varies from one sensor to another and the relative response of a sensor can change with the age of the sensor These data should be used for estimation purposes only 74 71 6417 Appendix C Innova Soil and Fuel Vapor Monitors Specific Parts List See Parts List in Appendix A for a more complete list of all replacement parts and accessories 61 0123 65 0613 80 0504 81 0007 81 0078 81 0226 05 81 0226 06 71 6417 Sensor Combustible LEL PPM Sensor Oxygen Fuel Vapor only Hose 3 teflon lined Cylinder 40 LEL Hexane Cylinder 100 Nitrogen Cal kit 40 LEL Hexane Soil Vapor Cal kit 40 LEL Hexane 100 Nitrogen Fuel Vapor 75 Innova Series Operator s Manual 76 71 6417
3. button To scroll backwards through the menu press the button Continue to scroll through the screens to display the desired information clear Peak Readings or change an Operator or User ID 3 To exit the program press either T or until you get to the EXIT display then press to exit to the normal operating mode YAV NOTE When Peak values are displayed after 3 seconds the display reads PRESS TO CLEAR so the user can clear peak values if desired To change a User or Operator ID lt 9 NOTE Operator and Location must first be entered before a selection can be made see Edit Operator Location and Instrument ID s Chapters 1 For the Operator ID and Location ID screens to change the selection press the button and then use or to designate a new selection 2 Press the button to accept the selected ID 18 71 6417 User Program Accessing Password Protected Menus A password may be used to add extra security to the following menus e Advanced Features protected by PASSWORD Datalogging Menu protected by LOGWORD e Calibration Menu protected by CALWORD See Create Edit CalWord PassWord Log Word for details on creating a password If enabled a code must be entered before the user may enter these menus To enter a PassWord LogWord or CalWord 1 Press and hold T and J for 3 seconds The message FEATURES MENU appears on the display and counts down from 3
4. 3 Then press to continue scrolling through the Advanced Features Menu BACKLIGHT DELAY SELECTION The backlight delay feature sets the number of seconds the backlight is illuminated after any button is pressed The factory default is setting is 5 seconds Your options are in 5 second increments up to 60 seconds and 2 3 5 or 10 minutes To change the backlight delay setting from the Advanced Features Menu 1 Press at the screen BKLIGHT DELAY 2 Press or T to scroll through the settings Press gt to accept the setting 3 Then press to continue scrolling through the Advanced Features MenuCal Interval Selection This sets the number of days between calibrations S NOTE The number of days left until calibration is displayed during the warm up cycle When the Innova is due for calibration display reads CAL OVERDUE and buzzer and lights pulse and flash after the warm up cycle is complete Your options are no cal reminder to 6 one day increments and to 26 one week increments The factory default setting is NO CAL REMINDER which means the calibration reminder function is turned off NOTE For optimum performance calibrate the Innova before every use To change the calibration reminder setting from the Advanced Features Menu 1 Press at the screen CAL INTERVAL 2 Press or to scroll through the settings 3 Press to accept the setting 4 Then press 4 to conti
5. CAUTION When you insert the new pump do not place pressure on the pump motor The pump motor is the dark colored circular component at the top of the pump 6 Before installing the new pump apply a thin film of petroleum jelly lubricant or O ring grease to the outside of the barbs Be careful not to get lubricant into the end of the barbs as this could clog the pump CAUTION Do not use lubricant that contain silicone as this can poison the combustible sensor 7 Place the pump bracket in its previous position then secure the bracket to the pump with the nut you removed in step 4 8 Reconnect the pump wire connector to the main board socket labeled PUMP close and secure the Innova housing and re install batteries 71 6417 51 52 Innova Series Operators Manual Replacing the Internal Filter VW CAUTION To avoid damage to internal circuitry remove the batteries before opening main housing 1 Turn off the Innova remove batteries and then separate the halves 2 Locate the internal filter see Figure 6 2 It is connected to the inlet fitting by a small polyurethane tube 3 Disconnect the polyurethane tubes from the slip on barbs on the filter 4 Push the tubes onto the barbs on the new filter close and secure the Innova and re install batteries Replacing the Probe s Hydrophobic Filter 1 Unscrew the probe body s two halves Be careful not to lose the o rings that seal the filter 2 Remove the f
6. Jou ore sorzayeq OY p Ie1sur 210 SIIYLQ POIN WY JHA Z M IV 01 198 SI VO IN 01199 ST YMS 10199199 AJOyVQ OY JY FA YOPMsS 10109195 A191J6q OY uononnsur ou 101 An99J p OJIUSIOG 190514 OULU 1061002 s nunuoo Inap OU FT SI Josieyo Aap OY gt OATOJOP S SAno39Jop IE s ui9leq SUL Jasieyo Alayeq dy 516910 uonrpuoo ou J 190 0 owes Ias1eyo p lIe1sur are s rr lleq Aa neq 1Ju 1 gjIp L LA SatIoye oy FIYI 01 1du1911V r ur ey e 10 p l e sur s tt peq oy erdo Jou 31e sorIoyeq ML p l e sur ore SIONE POLN WY MHA Z STV 01198 SI AVO IN 011959 SI U91IAS 10199195 Jap IY WY FA T YMS 10109195 19q Su L gt uoloYy p pu uuulo5 ti s asneg lqeqoid aSreyo Ju roujns p DAVY JOU op s uu9leq oy Sur8Ieuo91 IOV e oseyo e FUMI Ie SoLIOWeq 9y 724 SJeorpur Jou soLioyeq POIN soop 1931y Aloyeq AL 8IeuoS91o qeunq s wo dwAs uonipuog Punooys jqnosL 4 9 BIULL t lt Maintenance uononnsur 1ouunj 101 JHUS IISI OSL 1961002 nunuoo s n nogJip MIJI Z 19 deuo sry Ul Joye poquiosap se rosu s TO 201 oe d q T Ano J p st 1osu s TO ML juo 1osu s co 6 0Z 9 Surpe TO Josu s p dU Ue YSI Jouueo NOX 4qIH Oo qeun Uon ysu IYUN 101 IHYUAI IASI ouu ul 1961002 onunuoo s n 0ogjip au JI Iojdeyo sty ut 19161 p qrios p se 1osu s oy Idoy Z OATJOOJOP SI 10SU S JL ses Suneiqr
7. new alkaline or a fully charged battery pack Datalogging time left Settings for High Warning STEL and TWA alarms The CAL DUE DAYS indicates when the Innova is due for calibration according to the schedule you accepted in the user program when enabled s NOTE During the warm up period the Innova determines if the toxic sensors are properly biased If the sensors require additional biasing the screen continuously displays BIAS with alarms instead of the gas reading Once the readings fall within acceptable limits a fixed time out is initiated During this time out the display will alternate between BIAS and the sensor s reading If an air adjust is performed during this time out period it will not adjust the sensor s that are experiencing the bias time out but will adjust the other sensors 6 71 6417 Start Up amp Operation 3 When the warm up is complete the buzzer will beep lights will flash several times and display will read WARM UP COMPLETE SW NOTE If the bump test is set to BUMP TST ENABLED the display will cue the operator to perform an AIR ADJUST and then apply gas see Performing a Bump Test on Power Up at the end of this chapter for instructions 4 Hold down the AIR button for 3 seconds until the display counts down and the bar graph starts to scroll then the display will read DONE once the fresh air reading for all active sensors is complete 20 9 for
8. O2 3 Repeat step 2 for O2 press to move on to the Toxic 1 sensor 4 For the toxic sensors press T or to select or change the sensor type press to move on to Toxic 2 5 Continue step 4 for Toxic 2 6 Press to continue scrolling through the Advanced Featuring Menu NOTE You will scroll through the following sensor selections appropriate to your version of Innova HC O2 Toxic 1 Toxic 2 SETTING AUTOCAL GAS VALUES This function allows you to set the auto calibration values to the concentration of the cylinders you are using 24 71 6417 User Program W NOTE The factory default settings for a standard four gas instrument are HC 50 LEL O2 12 0 VOL H2S 25 PPM and CO 50 PPM These are the values that match Thermo GasTech s multi gas cylinders To change the value s from the Advanced Features Menu 1 Press at the screen AUTOCAL GAS VAL All four gases and their values will display The cursor and reading will flash for HC if installed and ON 2 Press T or to change value up or down 3 Once you ve reached the desired value press gt to move on to the HC ppm If you choose to keep the setting as is press gt to move on to the next sensor 4 Continue this process through all gases S NOTE You will scroll through the following autocal gas values appropriate to your version of Innova HC O2 TOXIC1 TOXIC2 71 6417 25 Innova Series Operators Manual COMFORT AL
9. Program ADJUST DATE AND TIME The date and time are adjustable by the user The default factory settings are Pacific Standard Time The innova uses a 24 hour format to display time For example 21 30 00 is 9 30 PM To change the date and time from the Datalog Menu 1 Press at the screen ADJ DATE AND TIME The date and time will appear with the cursor on the month that is flashing 2 Press T or 4 to change to the correct month Once you ve reached the correct value press to move to the day of the month If you choose to keep the setting as is press to move to the year 3 Continue this process through remaining date and time settings Once you ve completed and pressed past the seconds the ADJ DATE AND TIME screen displays and your selection has been accepted EDIT OPERATOR LOCATION AND INSTRUMENT IDS The IDs are used to allow the user to identify the Operator and Location of personnel operating the Innova The information is stored in the datalogging memory for retrieval at a later time The Innova has three IDs the user can update The Operator ID screen allows the Innova to reference logged data with 16 different operator codes The Location ID screen allows the Innova to reference logged data with 64 different location codes The Instrument ID screen allows you to uniquely identify the Innova The Operator and location IDs are a two row 8 characters per row field Each charact
10. Thermal Conductivity Cylinder 50 LEL CH 17 liter Cal kit CH4 Cal kit CHy O CO Cal kit CH4 O3 H S Cylinder 50 CH 4 40 CO 10 N gas range 17 liter Cylinder 50 LEL CH 25 PPM H S 50 PPM CO 12 O 58 liter Cylinder 50 LEL CH 4 50 PPM CO 12 O 103 liter Regulator demand flow 34 58 103 liter cylinders Regulator demand flow 17 liter cylinders 71 6417 Appendix C Innova Transformer Gas Tester XT Overview The Innova Transformer Gas Tester is factory configured to monitor for total combustibles from the gas space of power transformers If transformer faults such as overheating hot spots arcing or corona occur various combustible gases are generated If left unchecked gas can accumulate creating a potential for explosion failure of the transformer significant remediation costs and loss of electrical service The Innova Transformer Gas Tester is designed as an inspection tool to determine if unacceptable levels of gas exist within the transformer A sample of gas is extracted from the headspace of the transformer by the Innova Transformer Gas Tester with a 1 1 dilution fitting in place If gas levels exceed acceptable levels additional inspection including performing a dissolved gas analysis is required to determine fault condition and appropriate action If oxygen detection is required an optional oxygen range can be provided Detection Range The Innova Transformer Gas Tester has two detect
11. User Program allows you to view and update factory set parameters and display several items such as the battery voltage datalog status current temperature time and date The menu driven program has three main menus Display Menu e Advanced Features Menu Datalog Features Menu The user navigates through the user program by using the three buttons ON OFF T AIR 4 RANGE The right arrow is used to accept within the menu The up arrow 7 and down arrow are used to scroll either forward or backwards through the menus y NOTE The Innova has a time out feature If no buttons are pressed for 10 seconds while in the Display Menu Advanced Features Menu or Datalog Features Menu the display will flash and buzzer will beep for 10 seconds If no buttons are pressed during this time the Innova will return to the normal operating mode 71 6417 17 Innova Series Operators Manual Display Menu In the Display Menu the following may be viewed Battery Capacity Peak Readings Option to Clear STEL Levels Toxic Sensors Only TWA Levels Toxic Sensors Only Temperature Date and Time Operator ID Option to Change Location ID Option to Change Exit To enter the Display Menu 1 Press and hold the RANGE button for 3 seconds The display will show DISPLAY MENU and count down from 3 seconds Your first screen will display the BATTERY CAPACITY 2 To scroll to the next screen use the
12. accurately calibrate and use the Innova A kit consisting of a carrying case containing gas cylinders valves and appropriate fittings to calibrate the Innova Windows 95 98 NT compatible software necessary to access the data stored in the Innova includes serial cable 71 6417 START UP amp OPERATION Preparing for Start Up 1 To remove the battery compartment cover place the Innova upside down turn the large screw counterclockwise until it is loose in its socket then pull up 2 Install four D size batteries according to the diagram inside the battery compartment Make sure that the battery polarities are correctly oriented NOTE Make sure the slide switch at the bottom of the battery compartment is set to ALK for alkaline or NI CAD for NiCd batteries see Chapter 6 Maintenance Figure 6 1 Innova Battery Compartment 3 Replace the battery compartment cover and turn the screw clockwise Tighten snugly to compress the gasket and seal the battery compartment F CAUTION Some toxic gas sensors require up to 15 minutes to stabilize after you install the batteries If your Innova includes a toxic gas sensor s do not turn on and use the Innova during this period If the unit is started up immediately after installing batteries the BIAS message may appear see Chapter 6 Maintenance for instructions on installing or recharging batteries 4 Verify that the hydrophobic filter and cotton
13. compounds exists High Concentration of Combustible Gas With rich mixtures of combustible gases the instrument displays the following indications refer to Table B 1 Table B 1 Indications with High Combustible Gas Concentrations Cause Indication Mixtures up to 100 LEL Reading displayed Mixtures between LEL and 100 displayed Upper Explosive Limit UEL Mixtures above the UEL The reading increases to 100 LEL then comes back down Very rich mixtures read close to zero 71 6417 57 Innova Series Operators Manual Oxygen Deficient Mixtures Samples containing less than 10 oxygen may give low LEL readings by starving the combustible gas reaction in the sensor Such mixtures will also cause a low oxygen alarm As a rule 10 oxygen or more gives a full reading on any combustible gas up to the LEL Oxygen Rich Mixtures Samples containing combustible gases that have more than normalproportion of oxygen will give a normal reading However they should be avoided because the flame arrestor used is not dense enough to arrest flames from combustible gas in oxygen Such mixtures will also cause a high oxygen alarm tI WARNING Do not attempt to use the Innova on samples of combustible gas in oxygen for example oxy acetylene mixtures Instead use sample mixture in air Interfering Gases The CO sensor responds to some other gases besides CO The CO sensor has a charcoal filter that prevents interference from H S and som
14. display messages and response to Low High STEL and TWA gas alarms The backlight automatically turns on during all gas alarms Gas Alarm Indications Table 3 1 lists the indications for each type of gas alarm Table 3 1 Alarm Indications Gas Alarms Alarm Display Light Buzzer Low Gas Alarm Reading flashes slow flashing pulsing once second High Gas Alarm Reading flashes fast flashing pulsing twice second Decreasing O Alarm Reading flashes fast flashing pulsing Increasing O Alarm Reading flashes fast flashing pulsing STEL Gas Alarm STEL icon flashing pulsing TWA Gas Alarm TWA icon flashing pulsing 71 6417 11 Innova Series Operators Manual Responding to Gas Alarms 1 Follow the established procedure for the type of gas alarm Low High STEL or TWA If a procedure is not in place establish one that is appropriate for your application 2 Reset the alarm circuit The Innova resets the circuit according to the alarm reset setting AUTO RESET or MANUAL RESET see Chapter 4 User Program Alarm Latch option to enter the program and display and or update the setting Ifthe alarm reset setting is auto reset the Innova resets the applicable alarm circuit after the gas reading falls below the alarm setting or rises above for decreasing O3 If the alarm reset setting is manual reset press the ON OFF button to reset the alarm circuits after the gas reading falls below the alarm setting or ri
15. downward pressure on top of the sensor until it is firmly seated in the cavity For toxic sensors make sure not to bend or damage the sensor pins 7 Reconnect the sensor s connection to the Innova main board For the combustible gas sensor connect the purple white and red wires to the proper terminals P W R on the terminal block TB1 For the remaining sensors plug the sensor wire connector into the applicable socket OXY TOX1 or TOX2 71 6417 Maintenance 8 Close the Innova housing and re install batteries 1P CAUTION Some toxic gas sensors require up to 15 minutes to stabilize after you install the batteries If your Innova includes a toxic gas sensor s do not turn on and use the Innova during this period If the unit is started up immediately after installing batteries the BIAS message may appear see Chapter 6 Maintenance for instructions on installing or recharging batteries Calibrate the Innova before you use it again Replacing the Pump lt j CAUTION To avoid damage to internal circuitry remove the batteries before opening main housing 1 Turn off the Innova then separate the halves 2 Locate the pump in the flow block see Figure 6 2 3 Disconnect the pump wire connector from the main board socket labeled PUMP 4 Remove the nut that secures the pump bracket to the pump then remove the bracket 5 Remove the pump from the flow block by rocking it back amp forth
16. eo y Jo Ajddns poyep 3no 10 ysa pue ajenbope ue sureyuoo JopurfAd sed oy yey AT Ua Adwo st JopurjAd seg oy e uoloy p pu uuuio5 ti s asney a1qeqold p nunuos Bunoous IiqnoiuL Xxx SMOYS 1OSuoS o O19Z 0 SuIpeal 1osu s TO d ox Te USO S TOSU S JOSU S B OY 195 JOUULI NOX 2161062 ol qegumnq s uodwAs uonipuog L 9 919e1 45 71 6417 Innova Series Operators Manual Recharging NiCd Batteries WARNING Recharge the batteries only in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content Check NiCd battery capacity by using the Display Menu see Chapter 4 User Program P CAUTION For optimum battery capacity the batteries should be fully depleted before you recharge them Repeated recharging of partially discharged batteries will reduce the battery capacity and operating time of the batteries Use only the battery chargers listed in Appendix A Parts Lists to recharge the batteries 1 Verify that the battery selector switch is set to NI CAD 2 Verify that the voltage listed on the battery charger is the same as the AC outlet 115V or 220V then plug the charger into the outlet 3 Plug the other end of the charger into the CHGR jack at the side of the Innova 4 Verify that the charger s amber light goes on Allow the batteries to charge for at least 8 hours Once the batteries are fully charged the
17. green light on the charger goes on the amber light remains on NOTE 46 If the switch position is in the NI CAD position and alkaline batteries are installed the battery charger will not charge alkaline batteries If you attempt to recharge alkaline batteries the amber light on the battery charger will flash A completely depleted battery recharges in approximately eight hours The battery charger automatically cuts the charging current to a sustaining rate when the batteries are fully recharged You can leave the charger plugged in indefinitely 71 6417 Maintenance Replacing Components tJ WARNING Replace components in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content Replacing Batteries Ww WARNING When replacing batteries use only the batteries supplied by Thermo Fisher Scientific refer to Appendix A Parts List They are a special high capacity type and are required to maintain agency certification of your Innova Series Duracell MN1300 Alkaline SAFT 410907 104 NiCd To maintain Cenelec certification of your Innova Series monitor the hex head screw must be installed to secure the battery lid in place 1 Turn off the Innova by pressing and holding the ON OFF button while the Innova sounds three beeps 2 Turn the captive screw at the middle of the battery compartment door counterclockwise then remove the door 3 Remove a
18. in the Calibration Alarms section later in this chapter for corrective action 11 Remove the tubing from the probe After fresh air has been detected the display will alternate between ALARMS SILENCED and the readings and then return to the normal operating mode after an ALARMS ACTIVE message is displayed 12 Unscrew the regulator from the cylinder leave the components of the calibration kit assembled for convenience and place in the storage case NOTE After the calibration refer to the Conversion Factors section for information on measuring methane totocal combustibles TC operating mode after the instrument has been calibrated with hexane 71 6417 73 Innova Series Operator s Manual Entering a CalWord A password may be used to add extra security to the Calibration with a CALWORD see Chapter 4 User Program Create Edit CalWord PassWord Log Word If turned on a code must be entered before the user may perform a calibration To enter a CalWord if activated 1 Ifthe CalWord function is enabled the display reads CAL WORD and as the calibration procedure begins The cursor is on the first asterisk 2 Press T or 4 to scroll to the correct character 3 Press to accept The cursor moves to the next character 4 Repeat steps 3 and 4 until all three characters are accepted If correct the next display reads AUTOCAL If the CalWord is incorrect the display reads
19. of hours or days available in memory The display will automatically go back to the LOG STATUS screen 2 Press T or 4 to continue scrolling the Datalog Features Menu CLEAR LoG To clear the data in the memory from the Datalog Features Menu 1 Press at the screen CLEAR LOG The screen displays T AND Y TO CLEAR 2 Press and hold T and 4 for 3 seconds and release The display reads CLEARING LOG and beeps for several seconds When complete the display indicates LOG CLEARED tV NOTE If you do not want to clear the log press the button and continue scrolling through the Datalog Features Menu J CAUTION I You cannot recover data after you clear the log Download all required data before you clear the log LoG BEGAN This screen displays the date and time when the log was last cleared To display this data and time from the Datalog Features Menu 1 Press at the screen LOG BEGAN The screen displays the data and time For example 7 12 99 10 00 00 The display automatically goes back to the LOG BEGAN screen 2 Press T or to continue scrolling on the Datalog Features Menu EXIT The EXIT screen exits you from the Datalog Features Menu Press to exit the menu and return to the normal operating mode 32 71 6417 CALIBRATION This chapter contains instructions to prepare the calibration kit and calibrate the Innova Series gas monitor For Land Surveyor Tra
20. oxygen 0 for all other sensors y NOTE After you AIR ADJUST a XXX sensor failure may appear on the display screen see Chapter 3 Alarms Sensor Alarms to respond to these messages Normal Operation Normal operation is defined as any time after the warm up period is complete and the Innova is not alerting you to an alarm or failure After warm up is complete the Innova simultaneously displays the current gas concentration for all active sensors and the NORM icon This display screen is defined as the normal screen The sensor labels will alternate between the gas type and unit of measure During normal operation the Innova Series gas monitor simultaneously monitors for all target gases for your configuration of the Innova Monitoring Gases To monitor for the target gas es expose the probe to the area to be monitored You can leave the Innova monitoring for an entire workday The Innova monitors and displays all applicable gas conditions at the same time F CAUTION I If your Innova includes an Ammonia NH3 Chlorine Cl Sulfur Dioxide SO Hydrogen Cyanide HCN Nitric Oxide NO Nitrogen Dioxide NO Phosphine PH3 sensor avoid moisture accumulation The target gas is absorbed by moisture Inspect the probe s hydrophobic filter and cotton ball frequently if you use the Innova in an environment where moisture might accumulate 71 6417 7 Innova Series Operators Manual While in normal operati
21. support and technical information or visit us on the web at www thermo com aqi 1 866 282 0430 Toll Free 1 508 520 0430 International WEEE Compliance This product is required to comply with the European Union s Waste Electrical amp Electronic Equipment WEEE Directive 2002 96 EC It is marked with the following symbol Thermo Fisher Scientific has contracted with one or more recycling disposal companies in each EU Member State and this product should be disposed of or recycled through them Further information on Thermo Fisher Scientific s compliance with these Directives the recyclers in your country and information on Thermo Fisher Scientific products which may assist the detection of substances subject to the RoHS Directive are available at www thermo com WEEEROHS Thermo Fisher Scientific Warranty Seller warrants that the Products will operate or perform substantially in conformance with Seller s published specifications and be free from defects in material and workmanship when subjected to normal proper and intended usage by properly trained personnel for the period of time set forth in the product documentation published specifications or package inserts If a period of time is not specified in Seller s product documentation published specifications or package inserts the warranty period shall be one 1 year from the date of shipment to Buyer for equipment and ninety 90 days for all other products the Warrant
22. until the alarm condition has persisted for the length of the delay period This feature can be useful if the instrument is exposed to high intensity RFI radio frequency interference or EMI electromagnetic interference which could cause momentary false alarms Selection options are 0 seconds no delay 1 3 or 5 seconds The default setting is 0 SECOND DELAY 1 Press gt to accept ALARM DELAY 2 Press L or T to scroll between settings 0 1 3 OR 5 SECOND DELAY Press to accept the setting 3 Press to continue scrolling through the Advanced Features Menu SI WARNING The Innova does not initiate gas alarms until the selected Alarm Delay period has been exceeded Select an Alarm Delay period as short as possible to avoid unnecessary delay of alarms LUNCH BREAK OPTION The lunch break option allows the user to either reset averages STEL and TWA or retains averages when the Innova is turned off The factory default setting is RESET AVERAGES OV NOTE If the lunchbreak menu is set to RETAIN AVERAGES the Innova will retain the STEL and TWA averages when turned off If the lunchbreak menu is set to RESET AVERAGES the Innova will reset the averages when turned off To change the lunch break menu from the Advanced Features Menu 1 Press at the screen LUNCH BREAK 22 71 6417 User Program 2 Press or T to scroll through the settings Press gt to accept the setting
23. 0191 81 0192 81 0193 81 0226 01 81 0226 02 81 0226 03 81 0226 04 81 0226 05 81 0226 06 81 0226 07 81 0226 08 81 0227 01 81 0227 02 81 0227 03 81 0227 04 81 0227 05 81 0227 06 81 0227 07 81 0227 08 81 0227 09 81 0227 10 81 0227 11 71 6417 Appendix A Parts List and Accessories Description Cylinder 50 LEL CHy4 40 CO 10 N 17 liter Cylinder 50 LEL CH 25 PPM H S 50 PPM CO 12 O 58 liter Cylinder 50 LEL CH 50 PPM CO 12 O 103 liter Cylinder 5 PPM SO 58 liter Cylinder 25 PPM NO 58 liter Cylinder 5 PPM NO 58 liter Cylinder 5 PPM Cl 58 liter Cylinder 25 PPM NH 58 liter Cylinder 10 PPM HCN 58 liter Cylinder 0 5 PPM PH 58 liter Cal kit O Cal kit CH4 Cal kit CO Cal kit CH4 Land Survyor Cal kit Hexane Soil Vapor Cal kit Hexane O2 Fuel Vapor Cal kit H Transformer Gas Tester Cal kit H O gt Transformer Gas Tester Cal kit H S Cal kit C12 Cal kit HCN Cal kit NH Cal kit NO Cal kit No Cal kit SO Cal kit PH Cal kit CH4 O CO Cal kit CH4 O CO H S Cal kit CH4 O7 CO Cl 55 Innova Series Operators Manual Table A 1 Part No 81 0227 12 81 0227 13 81 0227 14 81 0227 15 81 0227 16 81 0227 17 81 0227 18 81 0227 19 81 0227 20 81 0228 01 81 0228 02 81 0228 03 81 0228 04 81 0228 05 81 0228 06 81 0228 07 81 0228 08 81 0228 09 81 0228 10 81 0228 11 81 0228 12 81 0228 13 81 1063 81 1064 81 6500 81 6501 82 0200 82 5032 82 5071
24. 4 a Rd RH wold be bho Mee ee Bae Pump Alarm u a qusa eid eee ow bd ayy eee eee he Datalog A lari a l po oe iene ga KER toe oh ee eee U A Temperature Alarm Chapter 4 User Program About the User Program Display Menu s 252 2 oh TE pes ASS YN aaa hg Rea Accessing Password Protected Menus Advanced Features Men Datalog Features Menu 71 6417 vii Innova Series Operators Manual Chapter 5 Calibration Preparing the Calibration Kit nuunuu eaea 33 Calibrating the Innova 34 Calibration Alarms 39 Chapter 6 Maintenance Preventive Maintenance 41 Tro ble Shooting i a sassa sans ete ees 43 Recharging Ni Cd Batteries 46 Replacing Components 47 Appendix A Parts List and Accessories 53 Appendix B Interference Factors High Concentration of Combustible Gas 57 Relative Combustible Response Table 59 Appendix C Supplemental Instructions Innova Land Surveyor 61 Innova Transformer Gas Tester 65 Soil and Fuel Vapor 69 Calibra
25. ATURES MENU and counts down from 3 seconds 2 The first screen displayed after the countdown is BEGIN CAL Y 20 Press the button then press the button If prompted by PASSWORD and enter a password as described in the previous section Accessing Password Protected menus When entered correctly or if PassWord is not enabled you are now at the first option EDIT ALARMS in the Advanced Features Menu NOTE The Innova has a time out feature While in the Advanced Features Menu ifa button is not pressed within 10 seconds the display will flash and the buzzer will beep for 10 seconds If no button is pressed during the 10 seconds the Innova will return to normal operating mode 71 6417 User Program EDIT ALARMS This allows the user to increase or decrease the High and Low Alarms for each gas See Chapter 1 Introduction Table 1 2 Sensor Specifications for factory default settings 1 Press to enter the HC screen The high alarm reading will flash 2 Press T or J to increase or decrease the alarm setting If you choose to keep the alarm as is press to move to the next alarm setting 3 Continue step 2 until you have set all gas alarms After the last gas alarm is set the display automatically returns to the EDIT ALARMS screen NOTE You will scroll through the following gas alarms appropriate to your version of Innova HC 02 TOXIC1 TOXIC2 4 Press T or to c
26. Calword has not enabled the AUTO CAL screen is displayed w NOTE If prompted by CALWORD and enter a password see Entering CalWord earlier in this chapter 71 6417 37 Innova Series Operators Manual 4 With the AUTO CAL message displayed Press the to advance to the MAN CAL screen Press to accept MAN CAL 5 The screen displays the first active sensor Press the to accept or press 4 to advance to the next gas depending on what sensor you want to calibrate To accept the desired selection press gt 6 The default gas concentration is displayed with the ADJ icon and a double beep to indicate you may change the default concentration The default concentration is set in the Auto Cal Gas Value see Chapter 4 User Program Setting Auto Cal Gas Values 7 Press T or to adjust the value to match the concentration of the calibration gas as read on the cylinder label 8 Press to accept the displayed concentration The display reads BEGIN MAN CAL alternating with APPLY XX GAS where XX is the gas selected and counts down from 45 seconds If no gas is detected during this period the screen returns to BEGIN CAL 9 Attach the tubing from the regulator to the probe tube the Innova will draw gas from the gas cylinder When gas is detected the display will read CAL IN PROCESS for XX seconds with the SPAN icon on Then the screen displays CAL TIME
27. Change the concentration if the gas cylinder does not match the concentration displayed 3 Once the concentrations match Press to begin the calibration 4 Apply the calibration gas and follow the prompts to complete the calibration process When the first non standard sensor is complete and a second non standard sensor is present a double beep prompts the user to begin the second sensor calibration Repeat steps 2 3 and 4 yz WARNING Avoid using a gas mixture containing H S for calibrating an instrument with Cl NH3 NO or PH sensors Manual Calibration tI WARNING Calibrate the Innova in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content 1 Hold down the AIR button for 3 seconds until the display counts down and the bar graph starts to scroll then the display will read DONE once the fresh air reading for all active sensors is complete 20 9 for oxygen 0 for all other sensors lt 9 NOTE After you complete the fresh air adjustment a XXX may appear on the display screen in place of a sensor reading The buzzer and lights will be on steady see the Calibration Alarms section at the end of this chapter to respond to this message 2 Press and hold T and for 3 seconds The FEATURES MENU appears on the display and counts down from 3 seconds Then displays BEGIN CAL 3 Press to accept and begin calibration If a
28. ERT OPTIONS The comfort alert is a friendly reminder that the instrument is on The reminder begins 3 minutes after the last button press and will sound every 3 minutes while in the normal operating mode The alert has four options Beep Only Every 3 minutes the buzzer sounds e Blink Only Every 3 minutes the lights flash Blink and Beep Both buzzer beeps and lights flash every 3 minutes Both Off Option disabled The factory default setting is BLINK AND BEEP Y NOTE The 3 minute comfort alert timer is reset after any button is pressed by the user To change the setting from the Advanced Features Menu 1 Press at the screen COMFORT ALERT 2 Press or T to scroll through the options 3 Press to accept the setting Press to continue scrolling through the Advanced Features Menu TEMPERATURE ALARM The Innova has an alarm to alerts the user that the Innova is being operated at a temperature that exceeds its operation specification of 4 F to 113 F 20 C to 45 C When the temperature alarm is activated the buzzer and lights alternate every 30 seconds The factory default setting is TEMP ALR DISABLED To change the setting from the Advanced Features Menu 1 Press at the screen TEMP ALARM 2 Press or to change to either TEMP ALR DISABLED or TEMP ALR ENABLED 3 Press to accept the setting 4 Press 4 to continue scrolling through the Advanced Featur
29. INNOVA Series Instruction Manual Part Number 71 6417 2Aug2012 2007 Thermo Fisher Scientific Inc All rights reserved Specifications terms and pricing are subject to change Not all products are available in all countries Please consult your local sales representative for details Thermo Fisher Scientific Air Quality Instruments 27 Forge Parkway Franklin MA 02038 1 508 520 0430 www thermo com aqi WARNING THIS INSTRUMENT IS DESIGNED TO DETECT ONE OR MORE OF THE FOLLOWING FLAMMABLE VAPORS OXYGEN CONTENT AND OR TOXIC GAS AND TO GIVE WARNING BEFORE THEY REACH HARMFUL CONDITIONS IN ORDER TO ENSURE THAT IT WILL WARN OF DANGEROUS CONCENTRATIONS IT IS ESSENTIAL THAT THE INSTRUCTIONS IN THIS MANUAL PARTICULARLY THOSE CONCERNING START UP OPERATION CALIBRATION AND MAINTENANCE BE READ UNDERSTOOD AND FOLLOWED NOTATION CONVENTIONS Notices are used in this operator s manual to alert you to hazardous condi tions to person or instrument and to notify you of additional information This operator s manual uses the following notices xz WARNING Notifies you of potential danger that can result in personal injury or death CX VV CAUTION Notifies you of potential damage to equipment ay NOTE Notifies you of additional or critical information SERVICE LOCATIONS For additional assistance service is available from exclusive distributors worldwide Contact one of the phone numbers below for product
30. LEFT counting down alternating with the gas reading NOTE During calibration logging is disabled but calibration events are recorded in the log 10 When calibration is complete the display reads MAN CAL PASSED and then alternates between gt ACCEPT ABORT and the gas reading The gas label alternates with PASS 11 Press gt to accept The display will show CAL ACCEPTED and then alternate between REMOVE GAS and the all active sensors gas readings w NOTE If the calibration gas used interferes with any of the other sensors a non zero reading may result this does not affect the calibration of those sensor s 12 If you choose to abort press to scroll to ABORT then to accept the abort option The display will read CAL ABORTED and then alternate between REMOVE GAS and all active sensor gas readings 38 71 6417 Calibration W NOTE The WEAK or FAIL flag may appear in place of the PASS flag in the case of a weak or failed sensor See the instructions in the Sensor Failed Alarms section later in this chapter for corrective action 13 Remove the tubing from the probe After fresh air has been detected the display will alternate between ALARMS SILENCED and the readings and then return to the normal operating mode after an ALARMS ACTIVE message is displayed 14 Unscrew the regulator from the cylinder leave the components of the c
31. O SAMPLE DRAW SUBCOMPONENTS Verify the proper operation of the flow alarm circuit by holding your finger over the inlet of the probe for a few seconds The pump shuts off PUMP FAILED and PRESS TO CLEAR alternate with the gas readings display the spinning icon changes to an X The audible alarm sounds every second alternating beeping Press to restart the pump circuit The icon will change from an X or failed condition and the pump will restart Monthly Quarterly CALIBRATION Calibrate the sensors at least every one to three months Calibration frequency depends on the frequency of use and also the environmental conditions in which you use the Innova As Required ALARM CIRCUITS Periodically verify that all visual and audible alarms function properly tI WARNING Verify alarm circuits in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content To verify the alarm circuits use a concentration of the proper gas sample that is greater than the preset warn or alarm levels Verify that the LEDs illuminate and the buzzer sounds Also verify that the display reading in alarm flashes during the alarm sequence 42 71 6417 Maintenance SAMPLE DRAW SUBCOMPONENTS Periodically check the probe hoses internal filter and tubing for obstructions that can accumulate over time This is especially important if you use the Innova in a dusty or d
32. Press T or 4 to scroll to the correct character 4 Press to accept The cursor moves to the next character 5 Repeat steps 3 and 4 until all three characters are accepted If correct the next display reads AUTOCAL If the CalWord is incorrect the display reads BEGIN CAL message Begin at step 2 to start over Auto Calibration cont 4 Press to accept AUTO CAL The screen displays BEGIN AUTOCAL alternating with APPLY GAS counting down from 30 seconds If no gas is detected during this period the screen returns to BEGIN CAL 5 Attach the tubing from the regulator to the probe tube the Innova will draw gas from the gas cylinder First the display will read CAL IN PROCESS Then the screen displays CAL TIME LEFT counting down from 75 seconds alternating with the gas readings 71 6417 35 Innova Series Operators Manual QY NOTE During calibration datalogging is disabled but calibration events are recorded in the log 6 When calibration is complete the display reads AUTOCAL PASSED and then alternates between ACCEPT ABORT and the gas readings The gas labels alternate with PASS Press to accept The display will show CAL ACCEPTED and then alternate between REMOVE GAS and the gas readings If you choose to abort press to scroll to ABORT then to accept the abort option The display will read CAL ABORTED and then alterna
33. REPLACEMENT PARTS NOT SUPPLIED BY SELLER SHALL IMMEDIATELY VOID AND CANCEL ALL WARRANTIES WITH RESPECT TO THE AFFECTED PRODUCTS THE OBLIGATIONS CREATED BY THIS WARRANTY STATEMENT TO REPAIR OR REPLACE A DEFECTIVE PRODUCT SHALL BE THE SOLE REMEDY OF BUYER IN THE EVENT OF A DEFECTIVE PRODUCT EXCEPT AS EXPRESSLY PROVIDED IN THIS WARRANTY STATEMENT SELLER DISCLAIMS ALL OTHER WARRANTIES WHETHER EXPRESS OR IMPLIED ORAL OR WRITTEN WITH RESPECT TO THE PRODUCTS INCLUDING WITHOUT LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE SELLER DOES NOT WARRANT THAT THE PRODUCTS ARE ERROR FREE OR WILL ACCOMPLISH ANY PARTICULAR RESULT Thermo Fisher Scientific Warranty TABLE OF CONTENTS Chapter 1 Introduction About the Innova Series Specifications i eke Yu ka NE eee ee has de ee ASS SS oo Sensor Specifications Optional Accessories Chapter 2 Start Up amp Operation Preparing for Start Up Starting Up the Innova RR K RR E aN L E ATR TRR RE R 0 5 Normal Operation Turninging Off the Ipnova Performing a Bump Test on Power Up Chapter 3 Alarms Gas Alarmsu 1 Tau ae AS ayo EA asi Battery Alarms yn aaa ccc tenet eens Sensor Alarms 2 33 i46
34. The Innova automatic calibration AUTO CAL displays all active sensors on the display screen at the same time You can calibrate all active sensors simultaneously using a gas cylinder available from Thermo Fisher Scientific WARNING The instrument is calibrated in NMC non methane combustibles methane elimination mode using the LEL range mode The instrument is calibrated with hexane To measure other gases use Table B 2 in Appendix B The concentrations set in the Auto Cal Gas Value screen must match the multi gas mixture see Chapter 4 User Program Setting Auto Cal Gas Values NOTE The Innova Soil and Fuel Vapor Monitors use a 3 foot teflon lined hose to minimize absorption of hydrocarbon vapors Use of longer hose lengths is not recommended Auto Calibration WARNING Calibrate the Innova in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content NOTE If you use the automatic adjustment method to calibrate the sensor make sure the gas cylinder contains the same concentrations of the target gas as the values set in the AUTOCAL GAS VAL menu see Chapter 4 User Program Setting Auto Cal Gas Values 71 6417 71 Innova Series Operator s Manual The Innova FV and SV models must be zeroed in both NMC non methane combustibles methane elimination mode and TC total combustibles mode If you plan to measure in the LEL range mode zero th
35. Xylenes isomer mix A 7 0 These response factors are estimates based on factors for 6 volt Thermo Fisher Scientific sensor adjusted for characteristics of Innova sensor Please note that response varies from one sensor to another and the relative response of a sensor can change with the age of the sensor These data should be used for estimation purposes only Assuming an instrument calibrated directly for hexane or methane but used to observe a different gas the equivalent response in LEL or ppm for that gas is secured by multiplying the observed LEL or ppm reading by the LEL or ppm scale conversion factor 71 6417 59 Innova Series Operators Manual 60 71 6417 C SUPPLEMENTAL INSTRUCTIONS Innova Land Surveyor LS The Innova LS consists of two different models PPM LEL GAS and PPM LOW HI that permits measurements of methane gas in three ranges of sensitivity Table C 1 Ranges for Innova LS PPM LEL GAS PPM LOW HI 0 10 000 PPM 0 10 000 PPM 0 100 LEL 0 5 0 Gas by VOL LOW equivalent to 0 100 LEL 0 100 GAS by VOL 0 100 Gas by VOL HI By means of Thermal Conductivity Sensor Operation For the PPM LOW HI see the text in brackets Operation in the first two ranges is exactly as described in the text of this manual except that if the PPM reading should exceed its range 10 000 PPM the range will automatically switch to the LEL LOW range If
36. a Series Optional Accessories Accessory Description NiCd battery charger Optional hoses and probes Dilution fitting Moisture trap Auxiliary hydrophobic filter Remote Buzzer Carrying case Confined space kit Calibration kit Data retrieval kit Innova View Charges NiCd batteries while still in the monitor Provides a full charge over an 8 hour period then drops to a sustaining rate Includes an alkaline recognition feature that prevents you from attempting to recharge alkaline batteries Lengths of hose up to 100 feet are available except Cl versions Two optional 30 inch probes aluminum with dust filter or fiberglass with hydrophobic filter are available Used to provide sufficient oxygen to allow proper response of the hydrocarbon LEL ppm sensor when sampling inert environments Glass bodied with a pleated paper filter that collects excess water that is drawn into or condensed in the sample hose A filter with a water impervious membrane that connects between the sampling hose and the Innova s inlet fitting Repeats all audible alarms of the Innova Plugs into the remote alarm jack CHGR Includes clip to attach to lapel or other convenient place A case that holds the Innova and the most commonly used accessories The case also has space to hold the NiCd battery charger This carrying case can contain all equipment and the most commonly used accessories necessary to safely and
37. alibration kit assembled for convenience and place in the storage case Calibration Alarms The Innova may alert you to one or more of the following alarms during calibration e Sensor Failed Alarm e Weak Sensor e Calibration Incomplete Sensor Failed Alarm If you attempt to air adjust or calibrate a faulty sensor the Innova alerts you with a Sensor Failed Alarm INDICATIONS The backlight turns on automatically The gas reading is replaced by XXX Lights and Buzzer are steady RESPONDING TO A SENSOR FAILED ALARM 1 Complete the calibration procedure for the remaining sensors if applicable then return to the normal screen The normal screen will continue to notify you of the sensor failure with a message 2 Turn off the Innova then verify that the sensor is installed properly see Chapter 6 Maintenance Replacing Sensors Verify that the calibration gas value is correct in the Auto Cal Gas Valve Screen 3 If the calibration gas value is correct and the sensor is installed properly turn the instrument on and repeat the air adjust and calibration procedures 4 If the Fail condition persists replace the sensor see Chapter 6 Replacing Sensors then calibrate the new sensor 71 6417 39 Innova Series Operators Manual S NOTE You can enter the Innova User Program Advanced Features Menu and change the sensor status setting to OFF All information for an OFF sensor is removed from the normal sc
38. ball are in good condition and installed properly in the probe body xW NOTE For transformer versions connect the dilution fitting directly to the disconnect coupler fitting on the front of the monitor then connect the 10 inch probe to the dilution fitting 5 Attach the probe to the female disconnect coupler fitting on the sample hose 6 Attach the other end of the hose to the female disconnect coupler on the front of the instrument 71 6417 5 Innova Series Operators Manual SI WARNING Operation of instrument without probe filter assembly attached will result in pump damage and possible impaired performance Do not operate without probe filter assembly attached Starting Up the Innova Perform the following steps to start up the Innova and adjust internal circuits to fresh air readings demand zero Please read this entire section before turning on your Innova y WARNING Perform the following procedure in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content 1 If you are using NiCd batteries make sure the batteries are fully charged before you continue this procedure 2 Press and hold the ON OFF button for one second The Innova begins the warm up period Several messages appear during the warm up period starting with the model and software version Other screens displayed are e Battery capacity on a scale from E empty to F full capacity for
39. ccessories dilution fitting and gas collection bag 71 6417 Introduction ATWO UOISIOA 1oK AImnS pue z KIO Jode pong pue Jode IOS I Wdd 0 S Wdd 0 lt Wdd 0 Wdd 0 lt Wdd 66910 Wdd T 0 os Wdd O I Wdd 0 Wdd 01 Wdd 0 Wdd 0 90 Wdd 10 0 tHd Wdd 0 S Wdd 0 Wdd 0 Wdd 0 Wdd 66 0 Wdd UU ON Wdd SZ Wdd SZ Wdd SZ Wdd SZ Wdd 001 9 0 Wdd I ON Wdd SE Wdd S7 Wdd S Wdd ST Wdd 001 9 0 Wdd I THN Wdd 01 Wdd Wdd 01 Wdd Wdd OE 90 Wdd I NOH Wdd 01 Wdd S 0 Wdd 01 Wdd S 0 Wdd 66 910 Wdd T 0 qo Wdd 007 Wdd SZ Wdd 007 Wdd SZ Wdd OST 91 0 Wdd I OO Wdd SI Wdd 01 Wdd SI Wdd 01 Wdd 002 91 0 Wdd I SH V N V N TOA S Y C TOA S 61 TOA 0 0E 91 0 TOA a UU tO V N V N TOA 0S TOA 01 TOA 001 0 TOA a l Z VHD V N V N Wdd 006 Wdd 001 Wedd 000 T 91 0 Wdd 01 JH V N YIN Wdd 000S Wdd 0001 Wdd 000 01 9 0 Wdd 07 OH V N V N TOA AST TOA S 0 TOA 0 9 0 TOA a LU oH V N V N TAT 0S TAT 0I TAT O0I 0 TAT ral OH wely TALS wely WML wely uBiH wey mo obuey siu uu iou Aejdsig seo jobiel sBulyjas nez q A10 9e4 pue SUO EdI ID9dS 10SUaS BAOUU z L BIGeL suoledijineds 1osu s 71 6417 Innova Series Operators Manual Optional Accessories Table 1 3 lists the optional accessories available for the Innova Series gas monitor Part numbers for all accessories are in Appendix A Parts List and Accessories Table 1 3 Innov
40. creen will alternate between REMOVE GAS and the gas readings 6 Remove the tubing from the probe Once the instrument detects that the gas has been removed the screen display an ALARMS SILENCED message The alarms will be silenced for a blind 30 second count After the 30 second count has elapsed an ALARMS ACTIVE message will display briefly audible alarms will be enabled and the Innova will return to the normal operating mode NOTE If the Innova does not respond properly during the bump test follow the instructions in Chapter 5 Calibration or Chapter 6 Troubleshooting sections of this manual S NOTE 10 For instruments having a toxic sensor other than CO or H3S calibration gases are only available in single gas cylinders Therefore a multi step bump process has been programmed into the bump test routine First the standard sensors are bumped using a multi gas mixture Then the first Toxic sensor is bumped using a single gas cylinder and repeated if your unit has a second toxic sensor WARNING Avoid using a gas mixture containing H S for bump testing an instrument with Cl NH3 NO or PH sensors 71 6417 ALARMS This chapter describes Innova alarm indications display messages and response for the following types of alarms e Gas Alarms e Battery Alarms Sensor Alarms e Pump Alarms e Datalog Alarms Temperature Alarms Gas Alarms This section describes alarm indications
41. d The O sensor contains an alkali solution Inlet fitting Flow block Toxic 1 sensor Pump Filter Combustible sensor Toxic 2 sensor Exhaust restictor fitting Oxygen sensor As LEY yy Z L II RTA VINAI A CPI N F EA US J Figure 6 2 Innova Series Sensor Locations and Connection Assignments 1 Turn off the Innova F CAUTION To avoid damage to internal circuitry remove the batteries before opening the main housing 2 Open the Innova then separate the two halves 3 Locate the sensor you want to replace in the flow block see Figure 6 2 71 6417 49 Innova Series Operators Manual Figure 6 3 Removing a Sensor from the Innova Ya gt 50 NOTE Figure 6 2 illustrate sensor assignments for the standard Innova The sensor assignment for your Innova may be different depending on the Innova model you are using For models that have less than four sensors empty sensor cavities are filled with sensor plugs 4 Disconnect or unplug the sensor s connection to the Innova CAUTION If you use a tool to loosen the sensor from the flow block be careful not to damage the sensor housing or the flow block 5 Using your fingers tilt the sensor from side to side to loosen it then pull the sensor straight out of its flow block cavity see Figure 6 3 6 Insert the replacement sensor into the cavity then apply
42. e instrument in LEL mode If you plan to measure in the PPM range mode zero the instrument in PPM mode 1 Enter the total combustibles TC operating mode Allow the system to run for 2 minutes drawing ambient air 2 Hold down the AIR button for 3 seconds until the display counts down and the bar graph starts to scroll then the display will read DONE once the fresh air reading for all active sensors is complete 3 Enter the non methane combustibles methane elimination NMC operating mode Allow the system to run for 2 minutes drawing ambient air 4 Hold down the AIR button for 3 seconds until the display counts down and the bar graph starts to scroll then the display will read DONE once the fresh air reading for all active sensors is complete S NOTE After you complete the fresh air adjustment a XXX may appear on the display screen in place of a sensor reading The buzzer and lights will be on steady see Calibration Alarms section at the end of this chapter to respond to this message 5 Press and hold and J for 3 seconds The message FEATURES MENU appears on the display and counts down from 3 seconds and then displays BEGIN CAL 6 Attach the tubing from the regulator to the probe tube the Innova will draw gas from the gas cylinder Allow the gas to run for 1 minute 7 Press to accept and begin a calibration If a CalWord has not enabled the AUTO CAL screen will di
43. e of these other gases However continuous exposure may saturate the filter and break through as CO indication Hydrogen ethylene and acetylene will pass quickly through the filter and thus are strong interferences while heavier olefins and aromatic hydrocarbons will break through in time making sensor replacement necessary 58 71 6417 Appendix B Relative Combustible Response The Innova is normally calibrated with methane gas but responds to a variety of hydrocarbons refer to Table B 2 Table B 2 Relative Response of New Innova Series LEL ppm Hydrocarbon Indicator to Various Gases and Vapors LEL RANGE PPM RANGE GAS or VAPOR CONVERSION FACTOR CONVERSION FACTOR VS VS VS HEXANE METHANE VS HEXANE METHANE Acetone 3 0 73 1 7 1 6 0 48 Acetylene 0 63 1 5 1 2 0 34 Benzene 1 0 2 3 1 0 0 30 Butadiene 1 3 A 0 52 1 21 0 98 0 29 Carbon Monoxide 0 39 0 9 5 9 1 8 Chloroform 9 8 3 0 Dimethyl w 1 4 3 3 2 7 0 81 Formamide Ethyl Acetate 0 9 21 0 48 Ethyl Alcohol 1 6 A 0 64 Heptane 2 3 0 30 Hexane z 2 3 3 0 30 Hydrogen 0 7 E 0 39 Methane w 0 1 0 Methyl Chloroform i 6 Y 1 5 Methyl Ethyl Ketone d 2 5 Pentane S 7 Propane K Propyl Acetate 2 8 Propyl Alcohol iso L 2 1 Propy Alcohol n 9 Styrene Monomer k 9 7 Toluene y 2 2 9 Trichloroethylene E 2 4
44. electrical discharges or sparks from metal tools that can ignite such mixtures The relationship between ranges is correct only for methane Some rough approximations may be made for gases such as propane and butane but values will not be accurate and should not be used for safety considerations 3 WARNING Initiate Fresh Air Zero adjustment only in a non hazardous environment free of combustible or toxic gas content and consisting of normal oxygen content To do otherwise could cause a serious error in the indicated gas level shown on the display and result in failure of the Innova LS to properly indicate the degree of hazard Also use care not to initiate Fresh Air Zero immediately after a range change as this can cause an error in the clean air baseline 62 71 6417 Appendix C Land Surveyor Calibration Auto Calibration is as described earlier in this manual with one exception the GAS HI sensor is calibrated separately from the Catalytic PPM LEL or PPM LO sensor Therefore a multi step calibration process has been programmed into the Auto Calibration routine First the standard sensors are calibrated using a multi gas mixture Then TC sensor is calibrated using a multi gas cylinder containing 50 CH Methane CO Carbon Dioxide and N Nitrogen 1 A separate air adjust is required for the LEL and GAS ranges Perform an air adjust in the LEL and GAS ranges before calibration 2 Begin the calib
45. en the 1 1 dilution fitting is used The dilution fitting must be removed for calibration The Innova Transformer Gas Tester is calibrated with 1 hydrogen 25 LEL in the LEL range TR SY NOTE The Innova XT is calibrated to allow for correct readings when used with the 1 1 dilution probe in LEL mode or without the dilution probe in PPM mode 71 6417 67 Innova Series Operator s Manual Innova Transformer Gas Tester XT Parts List See Parts List in Appendix A for a more complete list of Innova replacement parts and accessories common to all models 80 0405 Dilution fitting 50 81 0013 Cylinder 1 H 12 O in N gt 81 0227 21 Cal kit H O Transformer Gas Tester 81 1064 Regulator demand flow 17 liter cylinders 81 1155 Tedlar bag w tubing 68 71 6417 Appendix C Soil Vapor SV and Fuel Vapor FV Operation The Soil Vapor Monitor has a combustible sensor only the Fuel Vapor Monitor has an oxygen sensor in addition to the combustible sensor The Soil and Fuel Vapor Monitors have two operating modes total combustibles TC mode and non methane combustibles methane elimination NMC mode When in the TC total combustibles mode the Innova functions as a normal instrument and the unit will respond to all combustible gases including methane When in the NMC non methane combustibles mode the voltage to the combustible sensor is changed which causes the sensor to respond only to non methane comb
46. er accepts A Z a z 0 9 asterisk and blank space The Innova User Program stores up to 16 Operator and 64 Location IDs Each Operator ID is uniquely referenced by a number from 1 to 16 Each Location ID is referenced by a number from 1 to 64 You can accept and record in the datalog an Operator and or Location ID by its reference number To add or change the Operator and Location ID from the Datalog Menu W NOTE The factory default setting for Operator Location and Instrument IDs are blank 71 6417 29 Innova Series Operators Manual Press at the appropriate screen EDIT OPER ID EDIT LOC ID or INST ID The first ID screen will appear you can change this screen by pressing to accept and start editing this ID or you can press T or to scroll through the other ID screens Then press to accept 2 Press or to change the first character of the ID You have the option of 0 9 A Z a z and blank 3 Press to accept the character or space and move to the next character If you do not want to change the first character press to move to the next character 4 Repeat the process through both rows of characters 5 Press to continue scrolling through the Datalog Menu WV NOTE For the Operator ID and Location ID screens the ID s reference number is displayed on the bottom line Press the button to continue scrolling through the various operators a
47. es Menu 26 71 6417 User Program ENTER EDIT CALWoRD PASSWORD oR LoGWoRpD These options add extra security to the calibration process CALWORD Advanced Features Menu PASSWORD and Datalog Features Menu LOGWORD By changing the default factory setting of you automatically turn this option on and password protect that area of the user program If turned on a code must be entered before one may continue a process If is entered the password security is turned off The factory default setting for each password is or disabled To add or change the code from the Advanced Features Menu 1 Press at the appropriate screen CHANGE CALWORD CHANGE PASSWORD or CHANGE LOG WORD The screen will display either three asterisks or the three digit code with the cursor on the first character 2 Press 4 or to change the first character of the code You have the option of 0 through 9 NOTE When entering a CalWord PassWord or LogWord all three characters must be a number 0 through 9 A password containing one or more is not valid no security protection is implemented if a password contains an 3 Press to accept the setting and move on to the second character If you do not want to change the first character press to move on to the second character 4 Repeat the process through the third character 5 Press L to continue scrolling
48. fers two calibration options automatic and manual The automatic calibration AUTO CAL displays all active sensors on the display screen at the same time You can calibrate all active sensors simultaneously using a multi gas cylinder available from Thermo Fisher Scientific The concentrations set in the Auto Cal Gas Value screen must match the multi gas mixture see Chapter 4 User Program Setting Auto Cal Gas Values During the manual calibration MAN CAL only one active sensor is displayed on the screen at a time only one sensor is calibrated during a manual calibration It is recommended to use a single gas cylinder for manual calibrations During a manual calibration you may manually change the concentration of the gas before the gas is applied The default value is that set in the Auto Cal Gas Values screen see Chapter 4 User Program Setting Auto Cal Gas Values Auto Calibration Ww WARNING Calibrate the Innova in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content VY NOTE If you use the automatic adjustment method to calibrate the sensor make sure the gas cylinder contains the same concentrations of the target gas as the values set in the AUTOCAL GAS VAL menu see Chapter 4 User Program Setting Auto Cal Gas Values 1 Hold down the AIR button for 3 seconds until the display counts down and the bar graph starts to scroll then the displa
49. ge with 5 foot hose 90 complete within 30 seconds except NH3 90 complete within 150 seconds NH3 4 F to 113 F 20 C to 45 C 22 F to 149 F 30 C to 65 C 0 to 95 relative humidity RH non condensing UL Classified CSA Certified Cenelec Audible visible coded for gas and trouble Also a comfort beep that can be turned off Low flow low battery rising gas reading rising or falling gas readings for oxygen rising TWA and STEL reading toxic versions only sensor failure temperature datalog Alarm levels are user selectable in the Edit Alarms Screen Digital liquid crystal display LCD Displays up to four different gases at a time A back light is available on demand by momentarily pressing any button Four D size alkaline or NiCd batteries Alkaline 24 hours 68 F 20 C Ni Cd 12 hours 68 F 20 C Due to the nature of alkaline cells battery life is greatly reduced at low temperatures and may be less than two hours at 15 C NiCd batteries are recommended for low temperature applications AIR ON OFF power and RANGE buttons 10 in Lx 5 in W x 6 in H 254 mm L x 152 mm W x 127 mm H 5 pounds 2 25 kg High impact chemical resistant polycarbonate polyester plastic with RF resistant coating Shoulder strap hose probe with filter operator s manual and quick reference card T Innova models for transformer testing include the following standard a
50. ilter and cotton ball from the probe half that mounts to the Innova you may need to use a small screwdriver to pry the filter loose 3 Install the new filter and cotton ball in place of the filter and cotton ball you removed 4 Make sure the O rings are in place then reassemble the probe halves 71 6417 A PARTS LIST Table A 1 lists replaceable parts and accessories for parts common to all Innova Series See Parts List in Appendix C for supplemental parts unique to particular models Table A 1 Part No 06 1255 10 0491 13 0110 20 0650 20 0651 30 0042 30 0044 33 0152 01 33 0160 33 1031 49 1201 49 1501 01 49 2149 49 2150 49 2151 52 2033 52 2033 01 61 0123 65 0612 65 0613 65 2417 65 2426 01 71 6417 Parts List and Accessories Description Tubing polyurethane 5 16 in OD x 3 16 in ID Screw hex head Shoulder strap adjustable Carrying case Innova Series instrument Case confined space kit case only Pump Kit rebuild pump 30 0042 30 0042 01 Filter Hydrophobic for 80 0187 probe Filter internal Cotton ball pkgs of 24 for 80 0187 probe Battery alkaline D size Battery NiCd D size Charger NiCd batteries dual rate 230 VAC Charger NiCd batteries dual rate 115 VAC Charger NiCd batteries dual rate 12 VDC Remote audible alarm with lapel clip Remote audible alarm with 20 foot cord and magnet Sensor combustibles LEL ppm Sensor oxygen O gt Sensor oxygen Fuel Va
51. ilure alarms The backlight automatically turns on during all failure alarms Pump Alarm Indications Table 3 4 lists the indications for each type of failure alarm Table3 4 Alarm Indications Failure Alarms Alarm Display Light Buzzer Pump Failure PUMP FAILED alternating beeping every second alternating with PRESS TO CLEAR alternating with gas readings X in place of spinning icon Responding to a Pump Alarm 1 Check the hose probe and filter for debris 2 Press the gt ON OFF button to reset the alarm circuit and return to the normal screen with the pump icon spinning 3 If the pump restarts and the monitor functions normally the problem was momentary If the indications remain turn the monitor off then investigate the probe hose or internal flow system for obstructions dirty filter or loose sensor s inside instrument WV WARNING Operation of instrument without probe filter assembly attached will result in pump damage and possible impaired performance Do not operate without probe filter assembly attached 14 71 6417 Alarms Datalog Alarm This section describes the alarm indication display message and response for the datalog full alarm A datalog full alarm occurs when the datalog becomes full and the datalog full command was accepted as STOP ON FULL Datalog Alarm Indications Table 3 5 lists the indications for the datalog full alarm Table 3 5 Alarm Indications Datalog Full A
52. in continual or everyday use Thermo Fisher Scientific recommends that you perform preventive maintenance procedures more often than suggested in the following sections Daily BATTERIES The Innova should always contain fully charged NiCd batteries or sufficiently powered alkaline batteries before each day s use You can verify the capacity of the batteries using the Display Menu To verify battery capacity 1 Press and hold the RANGE button for three beeps then release the button If the display shows less than three bars recharge the NiCd batteries or replace the alkaline batteries as described later in this chapter 2 Press the T or buttons to scroll to exit 3 Press to return to the normal operation mode 71 6417 41 Innova Series Operators Manual CALIBRATION For optimum efficiency of the monitor calibrate the Innova before each use If multiple calibrations over a period of days indicate that only a minimum of adjustments are required the frequency of calibration can be changed to weekly or monthly depending on how often the monitor is used and how demanding the monitoring environment is NOTE At the very least challenge the normal operation of the oxygen O3 sensor if applicable before every use Exhale over the inlet of the probe as you watch the display The O3 reading should decrease When the O reading decreases to 19 5 the alarm should activate This confirms normal operation of the
53. ion ranges 0 100 LEL and 0 10 000 ppm combustibles An optional range of 0 30 oxygen can be provided if requested Alarm Points The alarm points for the combustibles LEL range are preset at 10 LEL WARN and 50 LEL ALARM PPM combustibles alarms are set at 1000 and 5000 ppm All alarms are completely user adjustable if alternate alarm points are required Refer to Chapter 4 Edit Alarms for alarm adjustment instructions The Innova Transformer Gas Tester can also be provided with an optional oxygen channel The oxygen channel has two user adjustable alarms one that activates at 19 5 decreasing oxygen and one that activates at 23 5 increasing oxygen 71 6417 65 Innova Series Operator s Manual Dilution Fitting The Innova Transformer Gas Tester includes a 1 1 dilution fitting to provide the necessary dilution ratio to mix one part sample with one part air Description The catalytic detection method requires oxygen in order to function properly In an inert gas environment it is necessary to provide oxygen by the use of the 1 1 dilution attachment on the inlet fitting to oxidize the combustible gas The dilution fitting consists of a small tee fitting which plugs into the inlet fitting of the Instrument It includes two small drilled orifices One orifice connects to the sample source and the other to atmospheric air These are proportioned to give a dilution of one part air to one part of sample If testing for comb
54. irty environment Replace the cotton and hydrophobic filter elements if they become contaminated or discolored SI WARNING Operation of instrument without probe filter assembly attached will result in pump damage and possible impaired performance Do not operate without probe filter assembly attached Troubleshooting y NOTE See Chapter 3 Start Up amp Operation for any of the various alarm indications that you may encounter while the Innova Series gas monitor is in normal use The troubleshooting section on the following pages describes symptoms and probable causes and recommends action for problems you may encounter with the Innova 71 6417 43 Innova Series Operators Manual 71 6417 uononnsur 1ouunj 101 OHUS 190514 OWY L 1961002 s nunuoo 3 n UJIp 3U1JI 9 AUJO J D SAn99J p SI Josieyo Aroyeq Su 1 SI 193189 Map oY sie 9 uontpuoo IY J 191depe uoyerodo 090 oo snonunuos e se od sures 1991609 Aroyyeq JUSTOYFIP V sr Sg yey Seyon e Burdjddns ooed ur 191depe uonerodo snonunuoo 1o81euo 1o depe uonerado OO u snonunuoo e Aroyeg oy A BAOUUT se 1921609 Arayyeq y ayerodo jouuks NOX y asn o l qeun soLioneq oy sov doy T SI Josieyo Aap ML lt JOWN SUIZILYS IY 1161991 01 1921609 AI9eq IY 1090991 PoT eISUT are SOTIONeq u u1 199uuoosrp porod moy g ue uey 192001 10 19 depe ut eyre 10 p e sur uoreIodo snonunuoo e se 1921609 Aloyeq 9y Zursn r NOA J
55. larm Alarm Display Light Buzzer Datalog Full LOGGING STOPPED _ flashing pulsing every 30 seconds Responding to the Datalog Alarm Perform one of the following procedures to reset the datalog alarm e Download the data save and clear the log when prompted Enter the Datalog Features Menu and update the datalog full command to OVRWRITE ON FULL see Chapter 4 User Program Log Memory Manager option Enter the Datalog Features Menu and clear the datalog see Chapter 4 User Program Clear Log Memory Temperature Alarm The Innova has an alarm to alert the user that the unit is being operated at a temperature that exceeds its operating specification of 20 C to 45 C 4 F to 113 F If the temperature is outside this range the following message appears every 30 seconds and the sensor readings may be inaccurate TEMP WARNING alternating with the gas readings The buzzer beeps and lights flash twice every 30 seconds and the condition will clear automatically when the temperature returns to within the operating limits S NOTE The temperature alarm is user enabled or disabled with the default setting disabled see Chapter 4 User Program Temperature Alarm 71 6417 15 Innova Series Operators Manual 16 71 6417 4 USER PROGRAM This chapter includes an introduction to the Innova User Program and step by step procedures to run the program About the User Program The Innova
56. ll four spent batteries 4 Verify that the ALK NI CAD switch is set to the proper setting see Chapter 6 Maintenance Figure 6 1 Innova Battery Compartment WV WARNING Never mix NiCd batteries together with alkaline batteries this can cause internal damage to the monitor 5 Install four new batteries refer to the raised picture in the battery compartment for the proper orientation of the batteries w NOTE Always replace all four batteries at the same time 6 Install the battery compartment door and tighten screw until snug against gasket 71 6417 47 Innova Series Operators Manual Alkaline Ni Cad battery switch Figure 6 1 Innova Battery Compartment sI WARNING If applicable follow all federal state or local regulations regarding the disposal of alkaline and NiCd batteries Some toxic gas sensors require up to 15 minutes to stabilize after you install the batteries If your Innova includes a toxic gas sensor s do not turn on and use the Innova during this period If the unit is started up immediately after installing batteries the BIAS message may appear see Chapter 6 Maintenance for instructions on installing or recharging batteries 48 71 6417 Maintenance Replacing Sensors yz WARNING Recalibrate the Innova whenever you replace a sensor If applicable follow all federal state or local regulations regarding the disposal of electrochemical sensors The toxic sensors contain sulfuric aci
57. may have from the original manufacturer or third party supplier to the extent such assignment is allowed by such original manufacturer or third party supplier In no event shall Seller have any obligation to make repairs replacements or corrections required in whole or in part as the result of i normal wear and tear ii accident disaster or event of force majeure iii misuse fault or negligence of or by Buyer iv use of the Products in a manner for which they were not designed v causes external to the Products such as but not limited to power failure or electrical power surges vi improper storage Warranty and handling of the Products or vii use of the Products in combination with equipment or software not supplied by Seller If Seller determines that Products for which Buyer has requested warranty services are not covered by the warranty hereunder Buyer shall pay or reimburse Seller for all costs of investigating and responding to such request at Seller s then prevailing time and materials rates If Seller provides repair services or replacement parts that are not covered by the warranty provided in this warranty Buyer shall pay Seller therefor at Seller s then prevailing time and materials rates ANY INSTALLATION MAINTENANCE REPAIR SERVICE RELOCATION OR ALTERATION TO OR OF OR OTHER TAMPERING WITH THE PRODUCTS PERFORMED BY ANY PERSON OR ENTITY OTHER THAN SELLER WITHOUT SELLER S PRIOR WRITTEN APPROVAL OR ANY USE OF
58. nd locations you want to display or update Then press to edit or update the screen LoG MEMORY MANAGER This instructs the datalog memory to either overwrite the oldest data OVRWRITE ON FULL or stop recording data STOP ON FULL when the memory is full The factory default setting is OVRWRITE ON FULL ZJ NOTE If you accept STOP ON FULL the Innova alerts you with a datalog full alarm when the Innova is no longer recording data see Chapter 3 Alarms If you accept OVRWRITE ON FULL the Innova begins writing over the oldest data when the datalog is full The overwritten data is not retrievable To change the setting from the Datalog Features Menu 1 Press at the screen LOG MEM MANAGER 2 Then press or J to display the correct setting 3 Press to accept the setting 4 Then press to continue scrolling the Datalog Features Menu 30 71 6417 User Program LoG AVERAGES This parameter controls which averages STEL or TWA the Innova stores in the datalog Available selections for each toxic sensor that is active are e LOG ALL Log both STEL and TWA e LOG TWA ONLY Log TWA only LOG STEL ONLY Log STEL only s NO AVE LOGGING Neither STEL or TWA are logged The factory default setting is LOG ALL To change the setting for logging STEL and TWA from the Datalog Features Menu 1 Press at the screen LOG AVERAGES 2 Press or T to scroll between o
59. nsformer Gas Tester Soil and Fuel Vapor see Appendix C for supplemental instructions Note Refer to Appendix C for information on calibrating and operating the Transformer Gas Tester XT and Soil Vapor SV and Fuel Vapor FV models yz WARNING Accurate calibration of the Innova Series gas monitor is essential to ensure correct readings of gas and oxygen concentrations Incorrect or improper calibration can impair the performance of the instrument and place you in potential danger if hazardous conditions exist Preparing the Calibration Kit Perform the following steps to prepare the Innova calibration kit Ww WARNING LEL response will vary for different gases For best accuracy LEL calibration should be done using the target gas of the LEL ppm sensor Expected relative combustible responses listed in Appendix B Interference Factors are not verified by UL 1 Verify that the calibrating area contains a level surface to set the Innova and calibration kit accessories upon 2 Turn on the Innova instrument Enter the Display Menu and verify that the Battery Capacity screen displays at least three bars see Display Menu at the beginning of Chapter 4 User Program for a detailed description 3 Carefully screw the threaded end of the regulator into the gas cylinder 4 Attach the sample tubing over the fitting on the regulator 71 6417 33 Innova Series Operators Manual Calibrating the Innova The Innova of
60. nue scrolling through the Advanced Features Menu Bump TEST ON POWER UP OPTION 71 6417 23 Innova Series Operators Manual The bump test option enables or disables the Innova to cue the user to apply gas for a bump test immediately after the Innova warm up cycle is complete The factory default setting is BUMP TST DISABLED A bump test is sometimes necessary to ensure the Innova is detecting gases before each use To change the bump test setting from the Advanced Features Menu 1 Press at the screen BUMP TEST 2 Press or to scroll between BUMP TST DISABLED to BUMP TST ENABLED 3 Press to accept the setting 4 Then press 4 to continue scrolling through the Advanced Features Menu Sensor Select The sensor select function turns the HC and O2 sensor s on or off Both toxic 1 and toxic 2 sensor s may be turned off or changed to monitor another gas type provided the corresponding sensor s are installed in the proper location Ss WARNING The Innova does not display gas readings initiate alarms compute averages or store data for OFF sensor s To change the sensor select setting from the Advanced Features Menu 1 Press at the screen SENSOR SELECT All four gases and their settings will display The cursor and reading will flash for HC 2 Press or 4 to change the setting to ON or OFF If you choose to keep the setting as is press to move on to the
61. o perform a fresh air adjust 3 Press and hold the AIR button for three seconds until DONE appears Once the Innova has been air adjusted the display will begin counting down and prompt the operator to APPLY GAS alternating with BUMP TEST An audible beep will sound xW NOTE If an air adjust is not performed within 30 seconds a BUMP TEST INCOMPLETE message appears and the buzzer beeps on and off for three seconds The Innova will return to the normal operating mode 4 Attach the tubing from the regulator to the probe tube the Innova will draw gas from the cylinder 5 The Innova should respond to the detected gas and beep to indicate that a Bump Test is being performed All gas levels for standard gases are displayed as in the normal operating mode w NOTE Ifno gas is detected during the APPLY GAS countdown a BUMP TEST INCOMPLETE message appears and the buzzer beeps on and off for 3 seconds The Innova will return to normal operating mode 71 6417 9 Innova Series Operators Manual Once gas is detected a countdown is initiated During this single beep countdown the user should visually verify the sensors are responding correctly VY NOTE v aS Bump test peak readings are recorded Events are recorded as BUMP TEST COMPLETE if the Innova detected gas and BUMP TEST ABORTED if the Innova did not detect gas A BUMP TEST COMPLETE message will be displayed Then the s
62. on press any button to illuminate the display screen back light P NOTE If the Comfort Alert is enabled the Innova will beep and or blink every 3 minutes to remind the operator that the unit is turned on and functioning This feature can be disabled or enabled by the operator see Chapter 4 Alarms Comfort Alert for activating deactivating this feature Changing Combustible Ranges The RANGE button is used to change the range of combustible gas detected The available ranges depend on the version of the instrument see Chapter 1 Introduction Table 1 2 When changing to ppm range the reading is displayed in the bottom row If toxic sensor s are present the combustible ppm reading will overwrite the toxic readings If a toxic sensor s goes into an alarm condition the instrument will auto range back to the next combustible range and allow the toxic sensor s to be displayed To change the combustible gas range press and release the RANGE button The unit will beep once and switch to the alternate range e g LEL to ppm See Appendix C Innova Land Surveyor for operation of the RANGE button for Land Surveyor models If while operating in the ppm range the gas concentration exceeds the full scale range the Innova will automatically switch to the LEL or VOL if so configured range Turning Off the Innova Press and hold the ON OFF button for 3 seconds A power off message on the display screen counts down from 3 second
63. ontinue scrolling through the Advanced Features Menu O2 ALARM CONFIGURATION This option allows you to set the oxygen alarms High and Low to either increasing or decreasing Options you can choose are e ONE INC ONE DEC The warning alarm is set to decreasing at 19 5 VOL and high alarm increasing at 23 5 VOL s TWO ALRM DECREASE Both alarms are set to decrease Warn at 19 5 VOL and High at 18 0 VOL s TWO ALRM INCREASE Both alarms are set to increase Warn at 22 5 VOL and high at 23 5 VOL The factory default setting is ONE INC ONE DEC To enter this menu from the Advanced Features Menu 1 Press gt to accept 02 ALARM CONFIG 2 Press or to scroll through the settings Press the to accept the setting 3 Press 4 to continue scrolling through the Advanced Features Menu 71 6417 21 Innova Series Operators Manual ALARM LATCH OPTION This option changes the alarm setting to either AUTO RESET for automatically resting the alarm or MAUNAL RESET in which case an alarm must be manually reset The factory default setting is AUTO RESET 1 Press gt to accept ALARM LATCH 2 Press or to scroll between settings Press to accept the setting 3 Press 4 to continue scrolling through the Advanced Features Menu ALARM DELAY SELECTION This selection allows the user to select a time delay period When a delay other than 0 seconds is selected all gas alarms are delayed
64. por only Sensor sulfur dioxide SO Sensor carbon monoxide CO 53 Innova Series Operators Manual Table A 1 Part No 65 2426 02 65 2431 01 65 2431 02 65 2431 03 65 2431 07 65 2431 08 65 2431 10 71 6416 71 6417 77 0043 80 0187 80 0187 04 80 0211 80 0405 80 0504 80 0505 80 0511 80 0516 80 0520 80 0525 80 0530 80 0550 80 0599 81 0002 81 0007 81 0012 81 0064 81 0078 81 0151 54 Parts List and Accessories Description Sensor hydrogen sulfide H2S Sensor chlorine Cl Sensor hydrogen cyanide HCN Sensor nitrogen oxide NO Sensor ammonia NH3 Sensor phosphine PH3 Sensor nitrogen dioxide NO3 Quick Reference Card Operator s Manual Kit Cenelec includes allen wrench and hex head screw Probe with hydrophobic filter Probe fiberglass 30 inch with hydrophobic filter Moisture trap Dilution fitting 50 Hose teflon 3 feet for C12 Fuel amp Soil Vapor Hose polyurethane 5 feet Hose polyurethane 10 feet Hose polyurethane 15 feet Hose polyurethane 20 feet Hose polyurethane 25 feet Hose polyurethane 30 feet Hose polyurethane 50 feet Hose polyurethane 100 feet Cylinder 2 H 17 liter Cylinder 40 LEL hexane 17 liter Cylinder 50 LEL CH 17 liter Cylinder 50 PPM CO 17 liter Cylinder 100 N 17 liter Cylinder 25 PPM H3S 58 liter 71 6417 Table A 1 Part No 81 0153 81 0154 81 0155 81 0170 81 0175 81 0180 81 0190 81
65. ptions until you get to the appropriate screen 3 Press to accept the setting 4 Press 4 to continue scrolling through the Datalog Features Menu LOG INTERVAL This parameter instructs the Innova how often to record data in the datalog You have the option of 5 15 30 60 90 300 or 900 seconds The factory default setting is LOG EVRY 60 SEC To change the setting for log interval from the Datalog Features Menu 1 Press at the screen LOG INTERVAL 2 Press 4 or T to scroll between options until you get to the appropriate screen 3 Press to accept the setting 4 Press 4 to continue scrolling through the Datalog Features Menu Table 4 1 illustrates approximately how long it takes to fill the datalog for the various datalog interval settings Table 4 1 Datalog Capacity Specifications accumulated on time Sample Interval Capacity No Alarm Activity 5 seconds 18 hours 15 seconds 55 hours 30 seconds 111 hours 60 seconds 9 days 90 seconds 13 days 300 seconds 36 days 900 seconds 108 days 71 6417 31 Innova Series Operators Manual LoG STATUS This is a display screen only which indicates the number of datalog hours or days left in memory that is not currently occupied To display the number of hours or days left from the Datalog Features Menu 1 Press at the screen LOG STATUS The screen displays reads XX LOG HRS LEFT or XX LOG DAYS LEFT XX for number
66. ration process by performing an Auto Calibration The TC sensor will be ignored during the multi gas calibration 3 When the multi gas Auto Calibration is complete a double beep prompts the user to begin the TC sensor calibration The default gas concentration 1s displayed with the ADJ icon to indicate you may change the concentration If the concentration on the gas cylinder does not match the concentration displayed 4 Press to begin the calibration 5 Apply the calibration gas and follow the prompt to complete the calibration process Land Surveyor Calibration Manual Manual calibrations are performed as described in Chapter 5 Calibration Once in the manual calibration screen the location of the sensor s are as illustrated below CH O version shown CH4 02 TC 1 Press to accept or to advance to the next gas depending on what sensor you want to calibrate 71 6417 63 Innova Series Operators Manual Pump The Land Surveyor uses a pump capable of drawing a sample from a source that is at a vacuum of up to 60 of water column If pump replacement is required the pump listed in the Parts List below must be specified Parts List Parts List See Parts List in Appendix A for a more complete list of replacement parts and accessories Replacement Parts 30 0042 01 61 0124 81 0012 81 0226 04 81 0228 12 81 0228 13 81 0153 81 0154 81 0155 81 1063 81 1064 64 Pump Land Surveyor Sensor
67. reen and recorded as a blank in the datalog Weak Sensor Warning If the sensor that you are calibrating is nearing the end of its useful life the Innova alerts you with a Weak Sensor message The gas flag will show WEAK at the conclusion of the calibration period RESPONDING TO A WEAK SENSOR 1 If you are manually calibrating the Innova verify that you are correctly adjusting the gas concentration to match the concentration of the calibration gas If using the Auto Cal method verify that the gas concentration in the calibration gas cylinder matches the Auto Cal Gas Value see Chapter 5 User Program Setting Auto Cal Gas Values s NOTE 40 A weak sensor is still functioning properly and can continue to be used However it is near the end of its useful life and should be replaced as soon as possible see Chapter 6 Maintenance Replacing Sensors for replacement instructions 71 6417 6 MAINTENANCE This chapter contains maintenance information to ensure proper operation and reliability of the Innova Series gas monitor yz WARNING Perform all procedures in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content Preventive Maintenance The following are daily monthly quarterly and as required preventive maintenance suggestions to ensure the reliability of the Innova Series gas monitor ZY NOTE In instances where the Innova is
68. s The Innova sounds a pulsing tone and the backlight automatically turns on during the power off sequence To cancel the power off command release the ON OFF button before the display screen goes blank P NOTE The STEL TWA maximum and minimum for O gt readings are automatically reset on power down unless the Lunch Break mode is enabled see Chapter 4 User Program Lunch Break Option for more detail 8 71 6417 Start Up amp Operation F CAUTION If the Innova will not be used for more than 4 weeks remove the batteries from the instrument Failure to remove the batteries prior to storage could result in damage to the instrument If your Innova uses rechargeable NiCd batteries the batteries must be fully charged before each use When using alkaline batteries it is best to install fresh batteries before each use see Chapter 6 Maintenance to recharge NiCd batteries or replace alkaline batteries Performing a Bump Test on Power Up When the bump test option is set to BUMP TST ENABLED the display alerts the operator to perform a bump test after the warm up cycle is complete see Chapter 4 User Program Bump Test on Power Up Option To perform the bump test 1 Assemble the calibration kit see Chapter 5 Calibration 2 Turn on the Innova and wait for it to complete the warm up cycle The display will read AIR ADJUST NOW The screen will blink on and off with alternating lights prompting the operator t
69. s section describes alarm indications display messages and response to sensor failure alarms The backlight automatically turns on during all failure alarms Sensor Alarm Indications Table 3 3 lists the indications for each type of failure alarm Table3 3 Alarm Indications Failure Alarms Alarm Display Light Buzzer Sensor Failure XXX Continuous Responding to Sensor Alarms A sensor failure alarm can occur during normal operation or calibration Alarms that occur during calibration are described in Chapter 5 Calibration 1 Examine the display screen to determine which sensor is failing The failing sensor displays XXX instead of the gas reading for a sensor that has failed an air adjust Calibration or gas missing sensor 2 Perform an air adjust if the sensor s continues to fail perform a calibration see Chapter 5 Calibration 3 If the sensor s continue to fail replace the sensors see Chapter 6 Replacing Sensors 4 You can enter the Innova user program and change the sensor status setting to OFF All information for an absent sensor is removed from the normal screen and recorded as XXX in the datalog sz WARNING The Innova does not display gas readings initiate alarms compute averages or store data for OFF sensor s 71 6417 13 Innova Series Operators Manual Pump Alarm This section describes alarm indications display messages and response to sensor memory and pump fa
70. seconds and then displays BEGIN CAL Press to scroll to ADVANCED FEATURES or DATALOG MENUS 2 Stop scrolling at the desired screen and press to accept The display now reads PASSWORD LOGWORD or CALWORD and if protection has been enabled The cursor is on the first asterisk NOTE If the does not appear when entering any of the three menus security protection is not enabled 3 Press T or 4 to scroll to the correct character 4 Press to accept The cursor moves to the next character 5 Repeat steps 4 and 5 until all three characters are accepted If your entry is correct you will advance to the next screen If your entry is incorrect you will return to the original screen Begin at step 2 to re enter your password 71 6417 19 Innova Series Operators Manual Advanced Features Menu The Advanced Features Menu allows you to change the following parameters of the instrument The menu is as follows Edit Alarms O2 Alarm Configuration Alarm Latch Option Alarm Delay Selection Lunch Break Option Backlight Delay Selection Calibration Interval Selection Bump Test Option Sensor Select Setting Auto Cal Gas Values Comfort Alert Options Temperature Alarm Change Cal Word Change Password Change Logword Exit To enter the Advanced Features Menu 1 Press and hold both the T AIR and RANGE buttons for 3 seconds The screen displays FE
71. ses above for decreasing O32 Battery Alarms This section describes alarm indications display messages and response for the following battery alarms Low Battery and Replace Battery The backlight automatically turns on during all battery alarms Battery Alarm Indications Table 3 2 Alarm Indications Battery Alarms Alarm Display Light Buzzer Low Battery LOW BATTERY double flash beep every two minutes battery icon flashes Battery Failure REPLACE BATTERY constant flash beep ALK battery icon steady Battery Failure RECHARGE BATTERY constant flash beep NiCd battery icon steady Responding to Battery Alarms This section describes response to Low Battery and Replace Recharge Battery alarms 1 For low battery alarm proceed to step 2 as soon as possible The Innova will continue to function properly for approximately 1 2 hour until the Replace Recharge Battery screen and alarm sounds For battery failure alarm turn off the Innova immediately It is not functioning as a gas detection device 12 71 6417 Alarms 2 You must replace the alkaline or recharge the NiCd batteries within your monitor before putting it back into operation see Chapter 6 Maintenance for procedures to replace or recharge your batteries yz WARNING Always replace or recharge batteries in a fresh air environment environment known to be free of combustible and toxic gases and of normal oxygen content Sensor Alarms Thi
72. splay and you can proceed with the calibration If CalWord is enabled refer to the following section Entering a CalWord then continue with the calibration procedure NOTE If prompted by CALWORD and enter a password as described in the next section 72 71 6417 Appendix C 8 Press to accept AUTO CAL The screen displays BEGIN AUTOCAL alternating with APPLY GAS counting down from 30 seconds If no gas is detected during this period the screen returns to BEGIN CAL 9 First the display will read CAL IN PROCESS Then the screen displays CAL TIME LEFT counting down from 75 seconds alternating with the gas readings NOTE During calibration datalogging is disabled but calibration events are recorded in the log 10 When calibration is complete the display reads AUTOCAL PASSED and then alternates between gt ACCEPT ABORT and the gas readings The gas labels alternate with PASS Press to accept The display will show CAL ACCEPTED and then alternate between REMOVE GAS and the gas readings If you choose to abort press to scroll to ABORT then to accept the abort option The display will read CAL ABORTED and then alternate between REMOVE GAS and the gas readings NOTE A WEAK or FAIL flag may appear in place of the PASS flag in the case of a weak or failed sensor See the instructions
73. te between REMOVE GAS and the gas readings NOTE A WEAK or FAIL flag may appear in place of the PASS flag in the case of a weak or failed sensor See the instructions in the Calibration Alarms section later in this chapter for corrective action 7 Remove the tubing from the probe After fresh air has been detected the display will alternate between ALARMS SILENCED and the readings and then return to the normal operating mode after an ALARMS ACTIVE message is displayed 8 Unscrew the regulator from the cylinder leave the components of the calibration kit assembled for convenience and place in the storage case Calibration of Toxic Gases other than H gt S amp CO or for 0 100 Vol TC Sensor These calibration gases are only available in single gas cylinders Therefore a multi step calibration process has been programmed into the Auto Calibration routine First the standard sensors are calibrated using a multi gas mixture Then the first sensor is calibrated using a single gas cylinder and repeated if your unit has a second sensor 1 Begin the calibration process by performing an Auto Calibration The non standard sensor s will be ignored during the multi gas calibration 36 71 6417 Calibration 2 When the multi gas Auto Calibration is complete a double beep prompts the user to begin the non standard sensor calibration s The default gas concentration is displayed with the ADJ icon
74. the LEL LOW reading should exceed 100 LEL equivalent to 5 methane the Innova LS will automatically switch to the 0 100 GAS range HI range The display will show the legend GAS pa HT following the gas reading while in this range The GAS HI range may also be entered manually from the LEL LO range by pressing the RANGE button twice If it is likely that high concentrations will be encountered to prolong the life of the LEL PPM sensor start out in the GAS HI range The Innova LS does not automatically range down To exit the GAS HI range and return to the LEL LOW range press the RANGE button twice There is a 30 second warm up period after the transition during this period the display count from W 30 to W 1 before gas readings are displayed To manually switch between the ppm and LEL LO ranges press the RANGE button once 71 6417 61 Innova Series Operators Manual S NOTE If the sample is very high in methane content and also very low in oxygen content the unit may not auto range upscale If during sampling the LEL LOW indication rises rapidly and then decays manually switch to the GAS HI range as described above to determine the methane content Precautions Be aware that the methane air mixtures in the range 5 to 15 by volume are highly explosive The Innova is Intrinsically Safe and is not a source of ignition but there are many common ignition sources such as static
75. through the Advanced Features Menu EXIT The EXIT screen exits you from the Advanced Features Menu Press at EXIT to return to the normal operating mode 71 6417 27 Innova Series Operators Manual Datalog Features Menu The Datalog Features Menu allows you to change the following parameters of the instrument The menu is as follows Adjust Date and Time Edit Operator IDs Edit Location IDs Edit Instrument ID Log Memory Manager Option Log Averages Selection Log Interval Selection View Log Status Clear Log Memory View Log Began Exit To enter the Datalog Features Menu 1 Press and hold both the T AIR and RANGE buttons for 3 seconds The screen displays FEATURES MENU and counts down from 3 seconds 2 The first screen displayed after the countdown is BEGIN CAL Press the button twice The display will read DATALOG MENUS 3 Press the button If prompted by LOGWORD and enter Y 28 a LogWord as described earlier in this chapter When entered correctly or if LogWord is not enabled you are now at the first option ADJUST DATE AND TIME NOTE The Innova has a time out feature While in the Advanced Features Menu if a button is not pressed within 10 seconds the display will flash and the buzzer will beep for 10 seconds If no button is pressed during the 10 seconds the Innova will return to normal operating mode 71 6417 User
76. ting the Innova SV and FV 71 Innova Soil and Fuel Vapor Monitors Specific Parts List 75 viii 71 6417 INTRODUCTION About the Innova Series The Innova Series shown in Figure 1 1 is a line of portable gas monitors capable of detecting from one to four gases It continuously computes average readings for Short Term Exposure Limit STEL and Time Weighted Average TWA levels You can display Peak readings STEL and TWA levels on command The Alarm circuit alerts you to dangerous gas conditions low battery conditions sensor failure datalog full calibration reminder and sample draw pump failures Figure 1 1 Innova Series Gas Monitor The Innova is powered by four D size alkaline or nickel cadmium NiCd batteries A jack is provided on the Innova so you can connect the external NiCd battery charger 71 6417 1 Innova Series Operators Manual Specifications Table 1 1 lists specifications for the Innova Series gas monitor Table 1 1 Specifications for the Innova Series Gas Monitor Intrinsic Safety Rating Area Classification Sampling Method Response Time Operating Temperature Storage Temperature Humidity Regulatory Approvals Alarms Alarm Actions Alarm Functions Display Power Source Battery life Controls Dimensions Weight Case Standard Accessories Class L Division 1 Groups A B C and D Sample drawing Initial 5 seconds avera
77. ubing from the end of the probe 66 71 6417 10 11 12 13 14 Y A Appendix C Press the button to restart the pump Remove the probe and attach the dilution fitting directly to the inlet fitting of the Innova Attach the probe to the dilution fitting Attach the Tedlar bag tubing to the gas sample port of the transformer Open the valve on the bag two full turns then fill the bag with gas from the head space of the transformer closing the valve when the bag is full Remove the gas collection bag Open the valve on the collection bag and attach the bag directly to the inlet of the probe on the Innova Transformer Gas Tester View the Innova Transformer Gas Tester display to determine the concentration of combustible gas in the transformer Remove the gas collection bag from the probe when complete and close valve on bag NOTE When testing for oxygen content either remove the dilution fitting from the Innova Transformer Gas Tester or place your finger over the small orifice on the dilution fitting before performing test Calibration The Calibration procedure for the transformer gas tester version is identical to the procedure as outlined in the calibration section of this manual The calibration gas cylinder is 25 LEL Hydrogen 12 Oxygen balance Nitrogen Users should enter the Autocal gas value for the LEL range as 50 LEL to compensate for the dilution probe and to provide the correct readings wh
78. ustible gas in a inert environment is attempted without the dilution fitting the Innova will respond briefly as the available oxygen is exhausted in the flow block and the combustible readings will then return to zero providing an incorrect reading For testing oxygen content in transformers the dilution fitting can be removed This will allow you to determine if there is oxygen present This test however can only be performed with the Innova Transformer Gas Tester with an active oxygen channel Operation Before operating the Innova Transformer Gas Tester it is important that you read and understand the Innova Series Operator s Manual It is also extremely important that you are familiar with the specific transformer that you are testing and know how to safely extract a gas sample 1 Turn on the Innova Transformer Gas Tester and allow the instrument to warm up 2 Perform fresh air adjustment as described in Chapter 2 Start Up amp Operation 3 Connect the probe directly to the end of the Innova Transformer Gas Tester 4 Open the valve on the Tedlar bag by turning the top of the valve counter clockwise two full turns 5 To remove excess air from the Tedlar bag connect the tubing from the Tedlar bag to the end of the probe allowing the internal pump to draw the air out of the gas collection bag When the Innova alarms and indicates PUMP FAILED turn the valve clockwise until it is completely closed then remove the t
79. ustible gases This allows the user to discriminate between methane and non methane hydrocarbons Table C 2 Sensor Specifications Hydrocarbon Catalytic 0 to 100 5 42 LEL LEE A ppm Specifications apply with 40 hexane calibration The 5 specification in LEL applies when in the NMC non methane combustible methane elimination mode Readings taken in the TC mode have 25 accuracy NOTE The Innova FV and SV instruments provide a 90 measurement value within 30 seconds For the most accurate readings allow the unit to measure for 2 minutes 71 6417 69 Innova Series Operator s Manual Range Mode and Operating Mode Selection After the Innova has completed its warm up cycle the letters TC total combustibles mode or NMC non methane combustibles methane elimination mode will appear under the gas reading on the display indicating the mode of operation If desired the mode may be changed by pressing the RANGE button twice To change the hydrocarbon range from LEL to PPM press the RANGE button once 1P CAUTION Note that if the mode of operation is changed to NMC operating mode the unit will no longer respond to methane or natural gas If it is suspected that methane or natural gas may pose a hazard the unit should first be operated in the TC operating mode to verify that no methane or natural gas is present 70 71 6417 Appendix C Calibrating the Innova SV and FV
80. y Period Seller agrees during the Warranty Period to repair or replace at Seller s option defective Products so as to cause the same to operate in substantial conformance with said published specifications provided that a Buyer shall promptly notify Seller in writing upon the discovery of any defect which notice shall include the product model and serial number if applicable and details of the warranty claim b after Seller s review Seller will provide Buyer with service data and or a Return Material Authorization RMA which may include biohazard decontamination procedures and other product specific handling instructions and c then if applicable Buyer may return the defective Products to Seller with all costs prepaid by Buyer Replacement parts may be new or refurbished at the election of Seller All replaced parts shall become the property of Seller Shipment to Buyer of repaired or replacement Products shall be made in accordance with the Delivery provisions of the Seller s Terms and Conditions of Sale Consumables including but not limited to lamps fuses batteries bulbs and other such expendable items are expressly excluded from the warranty under this warranty Notwithstanding the foregoing Products supplied by Seller that are obtained by Seller from an original manufacturer or third party supplier are not warranted by Seller but Seller agrees to assign to Buyer any warranty rights in such Product that Seller
81. y will read DONE once the fresh air reading for all active sensors is complete 20 9 for oxygen 0 for all other sensors S NOTE After you complete the fresh air adjustment a XXX may appear on the display screen in place of a sensor reading The buzzer and lights will be on steady see Calibration Alarms section at the end of this chapter to respond to this message 34 Calibration 2 Press and hold T and 4 for 3 seconds The message FEATURES MENU appears on the display and counts down from 3 seconds and then displays BEGIN CAL 3 Press to accept and begin a calibration If a CalWord has not enabled the AUTO CAL screen is displayed Skip the next section and proceed with Calibrating with the Auto Calibration cont QY NOTE If prompted by CALWORD and enter a password as described in the next section Entering a CalWord A password may be used to add extra security to the Calibration with a CALWORD see Chapter 4 User Program Create Edit CalWord PassWord LogWord If turned on a code must be entered before the user may perform a calibration To enter a CalWord if activated 1 Press and hold T and for 3 seconds The message FEATURES MENU appears on the display and counts down from 3 seconds and then displays BEGIN CAL 2 Press to accept The display reads CAL WORD and The cursor is on the first asterisk 3

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