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MAINTENANCE

7-5

Figure 7-2 Sensor Assembly of MultiRAE PLUS

3. Refer to Figure 7-2, carefully unscrew four No. 2 screws

that hold down the gas piping plate to the analog PCB and
sensors. Remove the gas piping plate.

4. Refer to Figure 7-2, identify the location of a specific

toxic sensor and remove the sensor by gently pulling the
sensor upward.

Содержание MultiRAE PLUS PGM-50

Страница 1: ...MultiRAE PLUS MULTI GAS MONITOR PGM 50 OPERATION AND MAINTENANCE MANUAL Document No 008 4001 Rev G RAE SYSTEMS INC 1339 Moffett Park Drive Sunnyvale CA 94089 October 2001...

Страница 2: ...nitor PID ppbRAE Portable ppb Level VOC Monitor PID UltraRAE Specific Compound Monitor CDRAE Corona Discharge VOC Monitor ToxiRAE PLUS PID Monitor ToxiRAE PLUS Single Gas Monitors ToxiRAE PLUS Oxygen...

Страница 3: ...You will be updated on new products technical advisory notices new accessories and much more Thank you for your purchase...

Страница 4: ...3 1 Battery Charging Operation 3 2 3 2 Alkaline Battery Adapter 3 4 3 3 Water Trap Filter 3 5 3 4 Remote Sampling Probe or Tygon Tubing 3 6 3 5 Dilution Fitting 3 7 3 6 Calibration Adapter 3 8 4 PROG...

Страница 5: ...Speed 4 36 4 7 8 Change Averaging Method 4 37 4 8 Change Sensor Configuration 4 38 4 8 1 Change LEL VOC Gas Selection 4 40 4 8 2 Enable Disable Sensor 4 44 4 8 3 Change Dilution Ratio 4 45 4 8 4 Chang...

Страница 6: ...THEORY OF OPERATION 6 1 7 MAINTENANCE 7 1 7 1 Battery Replacement 7 2 7 2 Sensor Replacement 7 4 7 3 PID Sensor Cleaning Replacement 7 7 7 4 PID Lamp Care 7 9 7 5 Sampling Pump Replacement 7 11 8 TROU...

Страница 7: ...nce with the manufacturer s instructions CAUTION To reduce the risk of electric shock turn off power before removing the monitor cover Disconnect the battery before removing sensor module for service...

Страница 8: ...After running for several minutes the residual vapor in the detector chamber will be cleared and the reading should return to zero 2 The battery of the MultiRAE PLUS monitor will discharge slowly eve...

Страница 9: ...ons AVERTISSEMENT Utiliser seulement l ensemble de batterie RAE Systems la reference 500 0028 500 0029 au 500 0039 Cet instrument n a pas t essay dans une atmosph re de gaz air explosive ayant une con...

Страница 10: ...y Read and understand instruction manual completely before operating or servicing ATTENTION Pour des raisons de s curit cet quipment doit tre utilis entretenu et r par uniquement par un personnel qual...

Страница 11: ...ion connue de methane equivalente a 20 50 de la pleine chelle La pr cision doit tre comprise entre 0 20 de la valeur vraie et peut tre corrig e par une proc dure di talonnage CAUTION Any rapid up scal...

Страница 12: ...known concentration calibration gas before each day s use AVERTISSEMENT La calibration de toute instruments de RAE Systems doivent tre test en exposant l instrument a une concentration de gaz connue...

Страница 13: ...ge lamp 2 Combustible gases near their lower explosive limits LEL with a catalytic bead sensor and 3 Inorganic compounds including oxygen deficiency with the electrochemical sensors Other features inc...

Страница 14: ...talytic sensor for LEL level combustible gases Battery Rechargeable 4 8V 1100 mAh Li ion or 4 8V 1700 mAh Ni Cd battery pack with built in charger 10 hours charge time or a 4 AA alkaline battery adapt...

Страница 15: ...2 0 30 0 1 15 sec VOC 0 200 ppm 0 1 ppm 10 sec VOC 200 2000 ppm 1 ppm 10 sec LEL 0 100 1 15 sec HCN 0 100 ppm 1 ppm 60 sec NH3 0 50 ppm 1 ppm 150 sec PH3 0 5 ppm 0 1 ppm 60 sec Alarm 90 dB buzzer and...

Страница 16: ...e 20 000 readings 64 hours 5 channels at 1 minute interval in non volatile memory Datalog Interval Programmable 1 3600 sec External Alarm Optional plug in pen size vibration alarm or earphone Communic...

Страница 17: ...re exceeds preset limits on any of the five possible sensors Prior to factory shipment the MultiRAE PLUS is pre set with default alarm limits and the sensors are pre calibrated with standard calibrati...

Страница 18: ...tiRAE PLUS Multi gas Monitor 3 keys for the user to interact with the monitor 1 operation key and 2 programming keys for normal operation or programming of the monitor LCD display with back light to s...

Страница 19: ...zzer and red LED for alarm signal whenever the exposures exceed preset limits and for error conditions Wrist strap Charge contact for plugging directly to the charging station Gas entry port Serial co...

Страница 20: ...front panel of the monitor The functions of the 3 keys during normal operation are summarized in Table 2 1 on the next page Figure 2 2 Key pad and Display of the MultiRAE PLUS Multi gas Monitor Light...

Страница 21: ...back light Answer as No Y Alarm test and alarm acknowledgment turn off latched alarm turn on pump or LEL sensor Answer as Yes Pressing and holding MODE key for 5 seconds turns off the power to the mon...

Страница 22: ...on for toxic VOC oxygen and combustible gases 15 minute Short Term Exposure Level STEL values of the toxic and VOC gases in ppm and 8 hours Time Weighted Average TWA Battery voltage and shut off volta...

Страница 23: ...sage that the alarm limits have been reset to default values for the new sensor If a sensor reaches its expected end of life a Warranty Expired message will be displayed Next the monitor displays the...

Страница 24: ...off all the current real time data including TWA STEL Peak and elapsed time are erased However the datalog data is preserved in non volatile memory Even if the battery is disconnected the datalog data...

Страница 25: ...a letter D following the version number indicates that the monitor is configured as a Datalog monitor Without the letter D it is a Non Datalog monitor Users can upgrade a Non Datalog monitor to a Dat...

Страница 26: ...most of the parameters In the display mode the MultiRAE PLUS Multi gas Monitor is able to display all the information in the text mode In addition the following information is also available by pressi...

Страница 27: ...actual gas concentration in parts per million ppm for toxic or VOC gases of volume for oxygen and of LEL for combustible gases The reading is updated once per second and is shown in the LCD display TO...

Страница 28: ...est reading of each gas concentration since the monitor was turned on The reading is updated at one second intervals and is shown in the LCD display with Min message TOX1 VOC TOX2 0 0 0 0 0 Min 19 9 L...

Страница 29: ...tery voltage reading is the current battery voltage in volts The reading is updated once per second and is shown in the LCD display The shut down voltage is also shown Note A fully charged battery pac...

Страница 30: ...turn on or off datalogging Pressing the Y key while Start Datalog message is displayed turns on the datalogging Likewise pressing the Y key while Stop Datalog message is displayed turns off the datalo...

Страница 31: ...nters the communication standby mode The LCD then displays Ready Connect the monitor to the serial port of a PC The monitor is then ready to receive any command from a PC see Section 5 for details on...

Страница 32: ...the desired display appears Display time out In all displays the LCD will automatically return to the instantaneous reading in display or program mode or sensor name in text mode after a one minute ti...

Страница 33: ...ttery voltage falls below a pre set level 4 4 V failure of the UV lamp LEL sensor off pump stall or when the datalog memory is full When the low battery alarm occurs there will be approximately 20 30...

Страница 34: ...for details on how to set alarm mode Alarm Signal Summary The various alarm signals are summarized here Condition Alarm Signal Gas exceeds High Alarm limit 3 beeps flashes per second plus sensor name...

Страница 35: ...is possible to test the MultiRAE PLUS LED buzzer and back light by pressing the Y key momentarily The buzzer will beep once and the LED and back light will flash once to indicate that these alarm sig...

Страница 36: ...fter a pre programmed time out period to save power In automatic mode the ambient light is sensed and the back light will be turned on automatically if the ambient light is below a threshold level The...

Страница 37: ...on or alarm limits is required Table 2 2 Factory Calibration and Preset Alarm Limits Gas ppm Cal Gas Balance Unit TWA STEL Low High CO 50 Air ppm 35 100 35 200 H2S 25 N2 ppm 10 15 10 20 SO2 5 N2 ppm 2...

Страница 38: ...Such vapors include Cl2 PH3 NH3 HCN and semi volatile organic compounds like diesel fuel and jet fuels For such compounds it is helpful to remove the water trap filter for normal calibration and oper...

Страница 39: ...to acknowledge the pump shut off condition by pressing the Y key to re start the pump Different pump shut off thresholds are desired for the two pump settings this value can be adjusted in the Specia...

Страница 40: ...memory so that it can be down loaded at a later time to a PC Datalog Options There are four ways to initiate the datalog operation Automatic Start and stop datalogging automatically when the monitor i...

Страница 41: ...reated Information such as start time datalogging period alarm limits etc will be recorded in the event header followed by the measurement data If more than 900 measurement intervals are recorded in o...

Страница 42: ...r Water trap filter and remote sampling probe Dilution fitting Calibration adapter WARNING To reduce the risk of ignition of hazardous atmospheres recharge battery only in area known to be non hazardo...

Страница 43: ...required press N key and the charging function will begin The display will show Charging Battery x x V If a key is not pressed within ten seconds the charging will begin automatically TOX1 VOC TOX2 C...

Страница 44: ...eep discharge followed by a charge cycle The deep discharge is useful to remove memory effects of the NiCd battery so that the charge capacity is maintained The battery of the MultiRAE PLUS monitor wi...

Страница 45: ...in emergency situations when there is no time to charge the rechargeable batteries Figure 3 1 Alkaline Battery Adapter To install the adapter remove the cover of the monitor Unplug the Li ion or NiCd...

Страница 46: ...onto the ribbed inlet port on the monitor A male Luer connector fits to the female Luer of the filter To remove the filter disconnect the Luer connector The water filter should not be used for normal...

Страница 47: ...male Luer connector at the end of the remote sampling probe or the Tygon tubing to the female Luer connector on the water trap filter The remote sampling probe or the Tygon tubing is ready for operat...

Страница 48: ...hat the combustible sensor can still be used under oxygen deficient conditions The other use of the dilution fitting is to measure the combustible VOC or toxic gas when the concentration exceeds the u...

Страница 49: ...g to the water trap filter on MultiRAE PLUS and the calibration gas on the other side Alternatively the calibration gas can be sampled 1 from a Tedlar gas bag 2 from an open cup or tube using flowing...

Страница 50: ...iven to provide intuitive end user operation The display shows the menu options and the key pad is used for menu selection and data entry Note The real time monitoring of the gas concentration continu...

Страница 51: ...for details on setting up the user mode The programming mode allows users to change the setup in the monitor calibrate the monitor modify the sensor configuration and enter user information etc The p...

Страница 52: ...cking as in the level 2 However it does not allow a user to save any changes to the alarm limits real time clock correction factor user and site information etc A user can still perform calibration wi...

Страница 53: ...e programming mode as summarized below Table 4 2 Key Function in Programming Menu MODE Exit menu when press momentarily or exit data entry mode when pressed and held for 1 second Y Increase numerical...

Страница 54: ...s for 3 seconds the monitor should enter the programming mode and the first menu item Calibrate Monitor will be displayed 4 If the security level is 1 or user mode is text mode after holding down the...

Страница 55: ...next digit to the right 6 Repeat Step 5 until all four digits are entered Press and hold MODE for one second 7 If the entered password is correct the monitor enters the programming menu The first menu...

Страница 56: ...n gas before each day s use In programming mode the user may re calibrate the sensors in the MultiRAE PLUS monitor This is a two point calibration process using fresh air and the standard reference ga...

Страница 57: ...on demand type regulator Calibration through such a regulator will produce similar results to the sample bag method with most gases but flow on demand regulators are not recommended with H2S In an eme...

Страница 58: ...Calibration Gas MultiRAE PLUS diffusion monitors must be calibrated using a fixed flow regulator with a flow rate between 0 5 and 1 0 liters per minute Diffusion monitors are supplied with a special c...

Страница 59: ...in Table 4 1 Press Y to perform calibration The first sub menu shows Fresh Air Calibration 2 If the fresh air bottle is available twist on the calibration adapter over the inlet port of the MultiRAE...

Страница 60: ...gas and OK question Press Y key to accept the multiple sensor selection and start the calibration or press the N key to modify the sensor selection and go to Step 7 TOX1 VOC TOX2 CO H2S LEL OK OXY LEL...

Страница 61: ...appear Press the N or MODE key to abort the calibration and move directly to the next sub menu item Press the Y key to continue the next sensor calibration In either case the calibration data for the...

Страница 62: ...the N key or the MODE key to discard the change and to continue on with Step 2 Cross Sensitivity Some sensors may show cross sensitivity to other gases Therefore it is important to choose the gas mix...

Страница 63: ...Single Sensor Calibration Press Y key The display shows all the installed sensors in the monitor with the cursor blinking at the first sensor location Press Y key to select the high lighted sensor and...

Страница 64: ...es the single gas calibration procedure for one sensor The display shows the single gas calibration sub menu for a user to select another sensor or move to next calibration sub menu 4 Turn off the flo...

Страница 65: ...ncentration of the oxygen e g 19 5 to calibrate the oxygen sensor A question 0 oxygen will be asked Enter Y key if the pure nitrogen gas is used to calibrate the oxygen sensor Otherwise enter N key to...

Страница 66: ...old the MODE key for 1 second to accept the previously stored span gas value and move to the next calibration sub menu 3 Starting from the left most digit of the span gas value use Y or N key to chang...

Страница 67: ...ppear 3 If the user does not want to change the LEL span gas press Y key to accept the current selection and exit this sub menu 4 If the user wants to select a different LEL span gas press N key Then...

Страница 68: ...sub menu 8 If the user wants to select a different VOC span gas press N key first then use Y or N key to scroll through a list of gas names until a desired gas name appears in the LCD display then pre...

Страница 69: ...menu item in Table 4 4 allows the user to change the high alarm limit lowalarm limit STEL alarm limit or average alarm limit The average alarm limit can be Running Average or TWA Time Weight Average d...

Страница 70: ...The flashing digit will move on to the next digit to its right Repeat this process until all the new Alarm limits are entered Press and hold the MODE key for 1 second to exit data entry mode If there...

Страница 71: ...og setup from the programming mode Users can also program additional datalog options in PC and down loaded them to the monitor see Section 5 0 for details on how to program additional datalogging opti...

Страница 72: ...in Table 4 5 2 Press the Y key to clear the peak and minimum data memory Display shows Are You Sure to re confirm whether to reset peak and minimum data 3 Press the Y key again will reset peak and min...

Страница 73: ...and run time values which are stored in the other location 1 Clear All Data is the second sub menu item in Table 4 5 2 Press the Y key to clear the data memory Display shows Are You Sure to re confirm...

Страница 74: ...ess the MODE key momentarily to advance to the next digit The flashing digit will move to the next digit to the right Repeat this process until all 4 digits of the new period are entered Press and hol...

Страница 75: ...y to accept the currently displayed data type Press N key to change to the other data type Data Type Peak Press MODE key to exit this sub menu and move on to the next sub menu 4 If there is any change...

Страница 76: ...ata of the first event The LCD display shows the stored data of each sensor and the time stamp TOX1 VOC TOX2 1 0 0 0 2 8 20 20 5 LEL OXY 3 Press the Y or N key to move forward or backward to view othe...

Страница 77: ...next to the sensor name The cursor is blinking at the first sensor location Press Y key to enable the datalogging for the sensor and N key to disable the datalogging TOX1 VOC TOX2 CO VOC H2S LEL pick...

Страница 78: ...r enter user information for the MultiRAE PLUS monitor Table 4 6 shows the sub menus for changing the monitor Table 4 6 Monitor Setup Sub Menu Change Site ID Change User ID Change Alarm Mode Change Us...

Страница 79: ...h the left most digit flashing 3 Press the Y or N key to cycle through all 26 letters and 10 numerals Press MODE key momentarily to advance to the next digit The flashing digit will move to the next d...

Страница 80: ...e display shows the current alarm mode selection Alarm Mode Latched 3 Press the Y key to accept the currently displayed alarm mode Press N key to change to the other alarm mode Alarm Mode Auto Reset P...

Страница 81: ...er modes Press MODE key to exit this sub menu and move to the next monitor setup sub menu 4 If there is any change to the existing selection pressing the y key the display will show Disable Program Ar...

Страница 82: ...h the left most digit of the date flashing 3 To modify this value use the Y or N key to change the digit value and press the MODE key momentarily to advance to the next digit The flashing digit will m...

Страница 83: ...nge Backlight Mode 2 Press Y key the display shows the current back light mode Back Light Mode manual turn on 3 Press the Y key to accept the currently displayed back light mode Press N key to change...

Страница 84: ...he right Repeat this process until all 4 digits of the new password are entered 4 Press and hold the MODE key for 1 second to exit the data entry mode and move to the next monitor setup sub menu 5 If...

Страница 85: ...may also be used to prolong pump motor life LEL sensor life and battery run time Note that this screen may not be present for diffusion models or if speed control is not available 1 Change Pump Motor...

Страница 86: ...l show on the LCD display wherever the average is indicated 1 Change Averaging Method is the ninth sub menu item in Table 4 6 2 Press the Y key the display shows the current average selection Average...

Страница 87: ...Before these sub menus are described the term Correction Factor needs to be explained Correction Factor The PID and LEL sensor used in MultiRAE PLUS are broad band sensors i e they respond to a broad...

Страница 88: ...ibration gas for the LEL sensor and select pentane as the measurement gas The MultiRAE PLUS monitor will calculate the correction factor between these two gases and convert the measured value of the L...

Страница 89: ...o create a custom factor for a specific gas or mixture of gases 1 Change LEL VOC Gas Selection is the first sub menu item in Table 4 7 2 Press Y key If an LEL sensor is installed and enabled the displ...

Страница 90: ...actor press Y key and go to Step 8 To modify this factor press N key first Then starting from the left most digit use the Y or N key to change the digit value and press the MODE key momentarily to adv...

Страница 91: ...10 If the user wants to modify the VOC measurement gas press N key first then use Y or N key to scroll through a list of gas names until the desired gas name appears in the LCD display then press MOD...

Страница 92: ...value and press the MODE key momentarily to advance to the next digit The flashing digit will move on to next digit to its right Repeat this process until all 4 digits of the new factor are entered Pr...

Страница 93: ...to the sensor name The cursor will blink at the first sensor location Press Y key to enable the sensor and N key to disable the sensor A previously disabled sensor will show instead of the sensor name...

Страница 94: ...ws the current dilution ratio Dilution Ratio xx with the left most digit flashing 3 Press the Y or N key to increase or decrease the value of the digit Press MODE key momentarily to advance to the nex...

Страница 95: ...Change PID Lamp Type is the fourth sub menu item in Table 4 7 2 Press the Y key the display shows the current PID lamp selection PID Lamp 10 6 eV 3 Press the Y key to accept the currently displayed P...

Страница 96: ...Table 4 1 press the MODE key once Display shows an instantaneous reading of normal operation mode 2 To exit programming mode from 2nd tier sub menu level see Table 4 2 4 6 press the MODE key twice 3...

Страница 97: ...l Computer PC under Windows 95 Windows 98 Windows NT 4 0 and later environments It allows the user to configure the MultiRAE PLUS through a user friendly interface and send the configuration informati...

Страница 98: ...from the start menu to display the Run dialog box If the setup diskette is in disk drive A type A Setup exe in the Open field as shown in Figure 5 1 Figure 5 1 Run Dialog Box Press the Enter key on t...

Страница 99: ...rams menu item to display the Programs submenu then click the ProRAE Suite menu item to display the ProRAE Suite submenu There are two submenu items under the ProRAE Suite submenu ProRAE Suite and Rea...

Страница 100: ...RAE PLUS monitor is ready for communication with PC During the communication session the PC will directly control the MultiRAE PLUS monitor through the serial link There is no need for users to press...

Страница 101: ...ProRAE Suite software can be divided into three categories 1 Configuration data category This category includes editing the configuration data file sending the configuration data to the MultiRAE Plus...

Страница 102: ...presented in this tool bar in the form of a small icon For example the Receive data function in the Communication sub menu is represented as a small arrow with the letters RECV When the mouse cursor a...

Страница 103: ...rding to the PC s serial port setup Figure 5 4 Setup Port Dialog Note In most PC s there are two serial ports Make sure that the serial port selected in the Setup Port dialog box matches the actual se...

Страница 104: ...guration Data The ProRAE Suite software allows the user to edit the configuration data send the configuration data to the MultiRAE Plus and receive the configuration data from the MultiRAE Plus monito...

Страница 105: ...tion of the monitor From the main menu of the ProRAE Suite software select the Receive Configuration menu item from the Communication dropdown menu then click the OK if the unit is connected to the co...

Страница 106: ...V CFG where is the version number of the default configuration file For example Default_MultiRAE_V216 cfg means this file is for MultiRAE monitor and its version is V2 16 Choose a configuration file b...

Страница 107: ...e Edit Configuration File dialog box contains three tab pages General Gas Parameters and Gas Selection To change a specific configuration setting click the corresponding tab page header to bring that...

Страница 108: ...numeric letters Security Level There are three levels of security They are used to provide protection against unauthorized changes to monitor settings which can be changed by using the programming men...

Страница 109: ...Display mode the user can view several readings in the normal operation but cannot enter the programming menu In the Program mode the user can enter the programming mode to calibrate the monitor or c...

Страница 110: ...the PC clock to be downloaded to the MultiRAE PLUS monitor so that the user does not need to manually set the clock in the MultiRAE PLUS monitor Pump Speed This option allows the user to choose the hi...

Страница 111: ...en the user must specify the start and stop hour and minute The interval between start and stop is the period of time the monitor will datalog at data logging period rate With Scheduled start stop all...

Страница 112: ...shows the Gas Parameters tab page which allows the user to change the gas parameters of the configuration data The following is the description of each field in the Gas Parameters tab page of the Edit...

Страница 113: ...for Tox1 sensor Tox2 Alarm Levels ppm This is the place where the user can specify the STEL alarm level ppm TWA alarm level ppm low alarm level ppm and high alarm level ppm for Tox2 sensor Alarm mode...

Страница 114: ...hat the user can choose one for the LEL sensor one for the PID sensor with 10 6 eV lamp and other one for the PID sensor with the 11 7 eV lamp The following is the description of each field in the Gas...

Страница 115: ...roll the list using the up or down arrow until the desired gas name is shown Press Enter key to select the gas The user can also enter a custom gas name up to 16 characters long and a custom correctio...

Страница 116: ...FOR MULTIRAE PLUS 5 20 OK Cancel When the configuration changes are completed click on the OK button to save the configuration and return to the client window Click on Cancel button to abort the conf...

Страница 117: ...ial port After making sure that the instrument is connected to the PC click the OK button to start the data transfer After the configuration information is sent successfully a message box will appear...

Страница 118: ...ve the configuration information for future use user can click File Save or File Save As menu item to save the opened configuration data to a file Once the configuration file is saved on disk it can b...

Страница 119: ...is operation will erase all the current configuration settings in the monitor If the user does not want this to happen click the Cancel button otherwise click the OK button to start the data transfer...

Страница 120: ...ata The ProRAE Suite software allows the user to retrieve the logged data from the MultiRAE PLUS monitor and display the data in many different formats The user can also export the displayed text to a...

Страница 121: ...will appear to remind the user to connect the instrument to the PC through the serial port After making sure the instrument is connected to the PC click the OK button to start the data transfer After...

Страница 122: ...ch lists all the display format of each event and the right pane displays the information according to the display format and the event the user selected on the left pane To select any display format...

Страница 123: ...f that pane is not big enough To view the data points of a specific event the user can click the item representing that event under the item Data Text Mode For example click the item Event 1 on the le...

Страница 124: ...view the STEL TWA or AVG value of any event click the event number item under the tree item STEL TWA AVG in the left pane the right pane displays the STEL TWA and AVG value of each data points of that...

Страница 125: ...mmary information of any event such as peak data value and minimum data value click the event number item under the tree item Summary in the left pane the right pane displays the summary information o...

Страница 126: ...Select graph type The user can choose the type of sensor data in the Graph Type tab page of the Graph Settings dialog box To display the Graph Settings dialog box click any place in the right pane so...

Страница 127: ...ph Settings dialog box click any place in the right pane so that pane has the focus then click Option Graph Settings menu item to display the Graph Settings dialog box To bring the Graph Range tab pag...

Страница 128: ...value and the bottom value in the Data Value Range Y axis group box If the user select the Default radio button in the Y Axis Data Value Range group box the ProRAE Suite software will scale the range...

Страница 129: ...s group box and the end time fields in the End Time X axis group box If the user select the Default radio button in the X Axis Data Time Range group box the ProRAE Suite will scale the range of X axis...

Страница 130: ...xport the text displayed in the right pane to a tab delimited text file click Option Export Text menu item a Save As dialog box is displayed Specify the file name in the File name field then click the...

Страница 131: ...ne to a windows bitmap or metafile file first click any place in the right pane to make sure that the graph pane has the focus then click Option Export Graph menu item to display a Save As dialog box...

Страница 132: ...the text or graphic data report First click any place in the right pane to set the focus on that pane then select Print function from the File sub menu or click the Print toolbar button a printer to p...

Страница 133: ...n in Figure 5 16 Figure 5 16 Main Window of ProRAE Suite Click Option Enable Datalog menu item a message box will appear to remind the user to connect the instrument to the PC through the serial port...

Страница 134: ...ype the three digit authorization code in the Authorization Code field then click the OK button to close the dialog box After the datalog option is changed a message box will appear on the screen to l...

Страница 135: ...the instrument to the PC through the serial port After making sure that the instrument is connected to the PC click the OK button After the ProRAE Suite software made successful contact to the instrum...

Страница 136: ...Dialog Box Note In order to upgrade the firmware the MultiRAE PLUS monitor must have a 2 04 or later version of the firmware Call the factory s Customer Service Department if the existing firmware ve...

Страница 137: ...s Up to two electrochemical toxic gas sensors can be installed in the monitor to measure inorganic toxic gases Many different types of toxic sensors are offered They can be plugged into these two sens...

Страница 138: ...ry so that they can be sent to a PC for record keeping RS 232 transceivers provide a serial interface between the monitor and the serial port of a PC A 2 line by 16 character LCD display is used to sh...

Страница 139: ...MAINTENANCE 7 1 7 MAINTENANCE As shown in Figure 7 1 the major maintenance items of MultiRAE PLUS are Battery pack Sensor modules PID lamp Sampling pump Figure 7 1 Main Components of MultiRAE PLUS...

Страница 140: ...field work A fully charged battery powers a MultiRAE PLUS monitor for 10 hours continuous operation The charging time is less than 10 hours for a fully discharged battery The built in charging circuit...

Страница 141: ...nal for charging 5 Replace a fully charged spare battery pack in the MultiRAE PLUS 6 Ensure the battery plug is securely connected to the MultiRAE PLUS 7 Close the MultiRAE PLUS cover and tighten the...

Страница 142: ...ode and display the expiration date of each sensor It is suggested that the user should replace the sensor when the current date exceeds the expiration date of a sensor Sensor Replacement Procedure Th...

Страница 143: ...Figure 7 2 carefully unscrew four No 2 screws that hold down the gas piping plate to the analog PCB and sensors Remove the gas piping plate 4 Refer to Figure 7 2 identify the location of a specific t...

Страница 144: ...xic Sensors The NO and NH3 toxic sensors require a special 300 mV bias voltage to operate Only the Tox1 sensor position provides such a special bias voltage Therefore the NO or NH3 toxic sensor must b...

Страница 145: ...is attached to the lamp housing unit as shown in Figure 7 2 If the lamp does not turn on the monitor will display an error message of Lamp to indicate cleaning or replacing of the lamp is required Per...

Страница 146: ...r for at least 3 minutes Then dry the sensor thoroughly 6 If the lamp is operational use a cotton swab to clean the flat window surface with GC grade methanol If the lamp does not turn on remove the U...

Страница 147: ...ns inside the lamp to initiate the glow discharge process If the UV lamp has not been used for a long period of time 1 month it may be slightly harder to turn on If such a condition occurs an error me...

Страница 148: ...close to the inlet of the MultiRAE and see if the VOC raw count goes up If the UV lamp is on while the error message persists then it is necessary to adjust the lamp threshold Please refer to Chapter...

Страница 149: ...to the analog PCB and sensors Remove the gas piping plate 3 Carefully loosen the connector Unscrew the two screws that hold the pump assembly to the gas plate For older model use a soldering iron to...

Страница 150: ...g the troubleshooting table in Section 8 2 the user can usually narrow the problem down to one or two areas and correct the problem without having to return the monitor for repair WARNING The diagnost...

Страница 151: ...d delay release both keys the monitor will now go through the normal start up display sequence and display a Diagnostic mode message At the end of the special mode start up the display will show 1 to...

Страница 152: ...perature MODE Show LEL OXY sensor expiration date MODE Show TOX1 TOX2 sensor expiration date MODE Adjust pump stall threshold MODE Adjust back light on off threshold MODE Show serial number and toggle...

Страница 153: ...applied to the monitor the corresponding sensor should respond and the raw reading should increase or decrease If the reading of the corresponding sensor does not change when the specific gas is appli...

Страница 154: ...yyy is the threshold value which determines when does the lamp fail 5 Push the Y or N key to increase or decrease the threshold value yyy until it is about 10 counts above the xxx value This will opt...

Страница 155: ...e MultiRAE PLUS monitor can be powered by either a rechargeable Ni Cd battery pack or an alkaline battery adapter This display also shows the type of battery which is installed inside the monitor 5 Sh...

Страница 156: ...be turned off The Y key turns powers to the LEL on 8 Show Clock Battery and Temperature This display shows the real time clock battery voltage in raw count and temperature sensor reading 9 Sensor Expi...

Страница 157: ...be higher than the un blocked pump current by at least 5 8 counts 2 The user can block the gas inlet for about ten seconds and watch the pump current reading The stall threshold should set to be the...

Страница 158: ...circuit available the display Pump Low High may be toggled by pressing the N key Note that changes made here are only for testing the pump condition and do not become saved in the nonvolatile memory...

Страница 159: ...Defective battery Microcomputer hang up Solutions Charge or replace battery Disconnect then connect battery to reset computer No LED or LCD back light Reasons Defective LED or LCD back light Solutions...

Страница 160: ...s Re calibrate with the gas Clean sensor module Replace water trap filter Blow dry the sensor module Lamp message during operation Reasons Wrong threshold Dirty PID sensor Weak or defective PID lamp S...

Страница 161: ...Wait for reading to stabilized Reading jumping around randomly Reasons Incorrect gas calibration Low sensitivity to cal gas Solutions Calibrate the sensor Use different cal gas Cannot turn off monito...

Страница 162: ...attery and adapter Detach and plug in the adapter again Full scale measure ment in humid environment Reasons Dirty or wet sensor Solutions Clean and dry sensor Replace water trap filter VOC Measuremen...

Страница 163: ...back light Y Test alarm stop alarm M Display Sensor names M Display Peak values M Display Minimum values M Display STEL values M Display TWA values M Display Battery voltage M Display Clock Run time...

Страница 164: ...pan Gas Change Alarm Limits Change High Alarm limit Change Low Alarm limit Change STEL alarm limit Change Average alarm limit View or Change Datalog Reset Peak and Minimu m Clear All Data Change Datal...

Страница 165: ...APPENDIX A A 2 Change LEL VOC Gas Selection Enable Disable Sensor Change Dilution Ratio Change PID Lamp Type N Y Mode N...

Страница 166: ...actors for PID LEL Sensors Compound 10 6 11 7 LEL Acetaldehyde 5 5 3 3 1 8 Acetic acid 22 2 6 3 4 Acetone 1 1 1 4 2 6 Acrylic acid 12 2 0 Acrylonitrile NR 1 2 Allyl alcohol 2 4 1 7 Ammonia 9 7 5 7 0 7...

Страница 167: ...2 1 1 0 48 Ethyl sulfide 0 51 Gasoline vapors 0 85 Gasoline whole 1 0 0 47 2 1 Heptane n 2 8 0 6 2 4 Hexamethyldisilazane 0 24 0 19 Hexane n 4 3 0 54 2 3 Hydrazine 2 6 2 1 Hydrogen NR NR 1 2 Hydrogen...

Страница 168: ...3 0 40 2 7 Xylene o 0 59 0 69 3 0 Xylene p 0 45 0 62 2 8 NR No Response Blank space no data For more data see Technical Notes 106 PID and 156 LEL The VOC correction factors in Table B 1 are measured r...

Страница 169: ...APPENDIX B B 4 sensitivity to the gas is higher than that of isobutylene VOC or methane LEL...

Страница 170: ...ch as Microsoft Excel Version 7 0 for further data manipulation or graphing To convert the data file into Excel and to facilitate easier data manipulation the followthese procedures 1 Export the event...

Страница 171: ...dialog box select the folder where the file TextEvent txt is resided and select the Files of type as Text Files Click to select the file TextEvent txt as shown in Figure C 2 Figure C 2 Open Dialog Bo...

Страница 172: ...Finish button the dialog box disappears and the event data is loaded into the MS Excel software as shown in Figure C 4 Figure C 4 File Text Event txt is Open 5 Click File Save As menu item to save the...

Страница 173: ...the data to be graphed by selecting File and then Open Highlight the columns that contain the data points Make sure that the header information is not highlighted 2 Go to the Insert menu and under cha...

Страница 174: ...t chart types For this example the Line chart has been selected Press the Next button to continue 5 Step 3 of the ChartWizard give additional choices for the line chart including data markers and grid...

Страница 175: ...hat comprise the chart Press the Next button to continue 7 The final step is where the chart title and axis titles may be added After these are added in the spaces provided press the Finish button 8 A...

Страница 176: ...APPENDIX C C 7...

Страница 177: ...Gas Monitor PGM 35 at a Glance p TN 116 ToxiRAE Oxygen Monitor PGM 36 at a Glance p TN 117 ToxiRAE Combustible Gas Monitor PGM 37 at a Glance p TN 118 Use of RAE PIDs for Soil Headspace Measurements...

Страница 178: ...Tubes p TN 144 Handling LEL Sensor Poisoning p TN 145 Proper Care of Nickel Cadmium Battery Packs p TN 146 Turning On UV Lamps in a PID Monitor p TN 147 UltraRAE Butadiene Specific Monitor p TN 148 M...

Страница 179: ...APPENDIX D D 3 Technical Notes are available at www raesystems com See Appendix F to order hard copies of Technical Notes...

Страница 180: ...f VOCs p AP 212 PIDs for Indoor Air Quality p AP 213 ModuRAE PID Configuration and Applications p AP 214 Environmental Applications for PIDs p AP 215 Gas Detection in the Marine Industry p AP 216 Weap...

Страница 181: ...r printing For hard copies Photocopy this page and fax to Attn Literature Department 1 408 752 0724 FAX Please send me the following information Name Company Mailing Address City State Zip Country Tel...

Страница 182: ...will return fax the RMA Number and instructions on how to ship We must obtain the following information in full Name Company Shipping Address City State Zip Telephone Fax Serial number Model Reason fo...

Страница 183: ...APPENDIX G G 2 RAE Systems Service Department...

Страница 184: ...408 752 0724 Toll Free Numbers Instrument Sales 877 RAE CUSTomer 723 2878 Technical Service 888 RAE 4800 723 4800 Tube Sales 888 RAE TUBE 723 8823 E mail Instrument Sales raesales raesystems com Tech...

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