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Instruction Manual Eagle Series

1. 72 DOSE DHON ie rar E oa 72 Alar Se rs gare aa arn a ae a 0d a pet a a A eR at hse BOS 73 Part ASUS oa a Siig tad o ae FOE Oe OR EAS 73 Appendix I Installing the Data Logger Board 74 Table of Contents Eagle Instruction Manual Introduction Overview The RKI Eagle is the most advanced portable gas detection system available The Eagle is built for rugged reliability and ease of use and includes the latest innovations in gas detection technology Simultaneous detection of one to six gases Standard target gases include combustible gas LEL and ppm oxygen deficiency carbon monoxide and hydrogen sulfide Powerful sample drawing pump with up to 100 foot range Dot matrix liquid crystal display LCD for complete understandable information at a glance Microprocessor control for all functions including data logging and user adjustable alarms Visible and audible alarms for hazardous conditions and malfunctions UL and CSA classified Intrinsic safety for Class I Division I Groups A B C and D hazardous atmospheres standard 4 gas model and non standard toxic gas versions Consult RKI Instrument Inc for classification of other Eagle versions Tough case with a balanced light weight design WARNING The Eagle detects a combination of combustible gas oxygen deficiency hydrogen sulfide and carbon monoxide or other toxic gases which can be lethal Users must follow the instructi
2. 0 to 100 LEL 10 LEL 50 LEL N A N A Catalytic combustion 30 seconds 5 LEL Lower Explosive Limit PPM Parts Per Million Alarms settings are user adjustable See Updating the Alarm Point Settings on page 32 The PPM range represents the same range as 0 to 100 LEL for that gas For example 100 LEL for methane Combustible Gas PPM2 Depends on target gas4 5000 ppm 25 000 ppm N A N A Catalytic combustion 30 seconds t 596 Oxygen 0 to 40 Os 19 5 Oo decreasing 23 5 Oo increasing N A N A Electro chemical 30 seconds t 596 Hydrogen Sulfide 0 to 100 ppm 10 0 ppm 30 0 ppm 10 0 ppm 15 0 ppm Electro chemical 30 seconds t 596 5 by volume 50 000 PPM Therefore the PPM range for methane is 0 to 50 000 5 With the Eagle s standard hose and probe attached 4 Specifications Carbon Monoxide 0 to 500 ppm 25 ppm 50 ppm 25 ppm 400 ppm Electro chemical 30 seconds t 596 Eagle Instruction Manual Description Case The Eagle has a plastic case with a full sized handle The high visibility case is shielded to reduce radio frequency and electromagnetic interference RFI EMI The system is light weight and balanced which makes the Eagle easy to carry and use for extended periods A foam rubber gasket between the top and bottom case components is water and dust resistant You can set the case into 2 5 in
3. See Updating the Back Light Setting on page 36 to program backlight duration If the Confirmation Beep option is turned on the Eagle beeps once every 15 minutes to verify that it s on the job To use the probe insert it into the monitoring area and wait a few seconds for response NOTE Response time increases with the length of the sample hose Very long sample hoses may require several seconds to show response at the Eagle Monitoring Combustible Gas in the PPM Range 1 Start the Eagle in the LEL range as described in Starting Up the Eagle on page 9 2 Allow the combustibles sensor to stabilize 3 to 5 minutes This stabilization period is required for the PPM range only 3 Press the LEL PPM button The Eagle displays PPM in place of LEL for combustible gas and the gas reading displays in parts per million 4 Ifthe PPM reading is not zero take the Eagle to a fresh air environment then perform the demand zero procedure as described in Preparing for Calibration on page 41 NOTE For the data logging option combustible gas readings are logged in LEL regardless of the LEL PPM setting Eagle Instruction Manual Operation 11 Monitoring Combustible Gases Other than Methane If the combustible gas sensor is calibrated to methane CHy use Table 4 to determine the concentration of combustible gases other than methane This table is based on Eagles in full response mode methane elimination switch set t
4. Updating the Alarm Point Settings on page 32 Table 8 Non Standard Toxic Gas Sensors Specifications Target Gas Range Alarm 1 Alarm 2 ke i sin Ammonia 0 to 75 0 ppm 12 0ppm 25 0ppm 25 0ppm 35 0 ppm Arsine 0 to 1 00 ppm 0 05ppm 0 10ppm 0 05 ppm OFF Arsine 0 to 200 ppb 1 50 ppb 100 ppb 50 ppb OFF Chlorine 0 to 3 00 ppm 0 50ppm 1 50ppm 0 50ppm 1 00 ppm Fluorine 0 to 5 00 ppm 0 50ppm 1 00ppm 1 00ppm 2 00 ppm Hydrogen 0 to 15 0 ppm 2 0 ppm 5 0 ppm OFF OFF chloride Hydrogen 0 to 9 00 ppm 1 00ppm 2 00ppm 1 00ppm 2 00 ppm fluoride Nitric oxide 0 to 100 ppm 10 ppm 25 ppm 25 ppm 50 ppm Nitrogen dioxide 0 to 15 0 ppm 1 0 ppm 3 0 ppm 3 0 ppm 5 0 ppm Ozone 0 to 1 00 ppm 0 10 ppm 0 30ppm 0 08ppm 0 10 ppm Phosphine 0 to 1 00 ppm 0 10 ppm 0 30ppm O0 30ppm 1 00 ppm Silane 0 to 15 0 ppm 2 0 ppm 5 0 ppm 5 0 ppm 5 0 ppm Sulfur dioxide 0 to 15 0 ppm 1 0 ppm 2 0 ppm 2 0 ppm 5 0 ppm 1 1 ppb parts per billion Description Non standard toxic gas sensors are mounted in the front half of the instrument case These sensors each include a dedicated amplifier with ZERO and SPAN controls A bracket secures the sensor amplifier assembly to the instrument case A flow adapter connected 54 Appendix C Non Standard Toxic Gas Sensors Eagle Instruction Manual to the sensor allows the sample to flow through the non standard toxic gas sensor A seven position connector plugs into the EC3 channel 3 or EC4 channel 4 socket on the analog PC
5. on page 4 The alarm settings are user adjustable as described in Updating the Alarm Point Settings on page 32 NOTE The screens illustrated in this section are intended as examples only The screens displayed by your Eagle model may be slightly different First gas alarm If a channel s gas reading exceeds the first alarm setting falls below for the oxygen channel e ALM1 displays in the alarm field for that channel e The channel s display line flashes e The buzzer sounds a pulsed tone e The alarm lights flash Second gas alarm If a channel s gas reading exceeds the second alarm setting e ALM2 displays in the alarm field for that channel The channel s display line flashes e The buzzer sounds a pulsed tone e The alarm lights flash 14 Alarms Eagle Instruction Manual STEL alarm toxics only If a toxic gas channel s average gas reading for the past 15 minutes exceeds the STEL alarm setting e STEL displays in the alarm field for that channel The channel s display line flashes e The buzzer sounds a pulsed tone e The alarm lights flash TWA alarm toxics only If a toxic gas channel s average gas reading for the past 8 hours exceeds the TWA alarm setting e TWAdisplays in the alarm field for that channel The channel s display line flashes e The buzzer sounds a pulsed tone e The alarm lights flash Over range alarm If a channel s gas reading exceeds that chan
6. W buttons to display the desired character Available characters are A through Z 0 through 9 and a blank space 3 Press the POWER ENTER button to enter the displayed character The next character flashes 4 Repeat steps 2 and 3 to enter the remaining characters When you enter the last character the prompt flashes Updating the fullscale setting 1 Press the SHIFT W button to place the prompt in the second line then press the POWER ENTER button The fullscale setting flashes The maximum fullscale setting for a toxic gas channel is 1000 PPM the minimum setting is 1 00 PPM The default setting is 10 0 PPM 2 Press the AIR A and SHIFT W buttons to display the desired fullscale setting then press the POWER ENTER button to enter the setting The prompt flashes NOTE The display increment setting automatically updates its default setting as you change the fullscale setting 30 Setup Mode Eagle Instruction Manual Updating the display increment setting 1 Press the SHIFT W button to place the prompt in the third line then press the POWER ENTER button The display increment setting flashes The minimum display increment setting is 0 1 PPM the maximum display increment setting is 2 5 PPM 2 Press the AIR A and SHIFT W buttons to display the desired display increment setting then press the POWER ENTER button to enter the setting The prompt flashes Returning to the main menu 1 Press the SHIFT W button Th
7. DO NOT adjust the switch after re zeroing the Eagle Response to CH is greatly reduced when the internal switch is set to HEX ON or the external switch is set to Methane Response Off If used for methane detection the internal switch must be set to CH4 or the external switch set to Methane Response On Operating with methane response off Monitor for combustible gas as you normally would When the Eagle is operating in Methane Elimination mode response to methane is reduced by 90 or more Response to hexane is reduced slightly approximately 15 To convert readings for most common combustible gases see Table 7 on page 53 Returning to methane response mode 1 Take the Eagle to a fresh air environment Set the internal methane elimination switch to the CH4 position or the external switch to Methane Response On 52 Appendix B Methane Elimination Eagle Instruction Manual 2 Allow 2 minutes for the combustibles sensor to stabilize 3 Perform the demand zero procedure as described in Preparing for Calibration on page 41 Monitoring combustible gases other than hexane Use Table 7 to determine the concentration of combustible gases other than hexane This table is based on Eagle s in methane elimination mode methane elimination switch set to HEX ON and calibrated to hexane Multiply the display reading by the factor in the appropriate column For example if you are using the Eagle to detect to
8. Off With User ID Input ON the User and Station ID screen displays during start up From this screen you can enter user location or other information at the beginning of each gas detection session see page 19 With User ID Input OFF default the User and Station ID screen does not display during start up 1 From the main menu select the USER ID menu option SET USER ID INPUT OFF 2 Press the AIR A or SHIFT button to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Updating the Auto Calibration Settings The Eagle stores default calibration settings This allows you to calibrate all Eagle channels simultaneously with a calibration cylinder that contains all required target gases for example the RKI four gas calibration cylinder The Eagle includes default auto calibration settings for most target gases For gases without default auto calibration the setting is 0 NOTE You can also update auto calibration settings in Calibration mode If you update auto calibration settings in Calibration mode you must continue with the calibration procedure Updating these settings in Setup mode allows you to update the settings without calibrating the sensors 1 From the main menu select the AUTO CALIBRATION menu option To display the combustible gas channel in PPM press the LEL PPM button Eagle Instruction Manual Setup Mode 35 2 Press and hol
9. System The sample drawing system includes the pump sensor block and connections internal filter and charcoal scrubber and the external hose probe and hydrophobic filter This system provides continuous flow of sampled air to the sensors while keeping out liquids and dust With proper setup the system can draw a sample flow from up to 100 feet away from the Eagle Consult RKI Instruments Inc for sample flow distances longer than 100 feet 6 Description Eagle Instruction Manual Sensors This section describes the Eagle s standard sensors Non standard sensors are described in Appendices C D and E Your specific Eagle model may not include all of the sensors described below Under normal conditions the Eagle s standard sensors have an operating life of approximately two years Combustible gas sensor The combustible gas LEL sensor is mounted with the flame arrestor down in the sensor block to allow the sample flow to diffuse into the sensor Five pins extend from the top of the sensor The sensor cable connects to the pins on one end and terminates in a four position connector which plugs into the COMB socket on the analog print circuit board PCB The LEL sensor detects combustible gas and vapors in the atmosphere with a catalytic platinum element The reaction of gas with oxygen on the catalyst causes a change in the resistance of the element which is converted by the Eagle into a reading of combustible gas concen
10. and the transformer can be removed from service before it explodes Description This combustible sensor which is a catalytic combustion type is calibrated to and the instrument is setup for hydrogen with a range of 0 5 00 volume Since the headspace being tested is filled with nitrogen there is not oxygen in the test sample The catalytic sensor requires oxygen in order to operate so the instrument is supplied with a snap on dilution fitting with a dilution ratio of 1 1 one part air to one part sample This fitting blends the sample with ambient air before entering the instrument which provides sufficient oxygen for the sensor to work The instrument is also supplied with a sample bag Operation 1 Turn instrument on and allow it to warm up 2 Attach the dilution fitting directly to the front of the instrument and the plastic probe to the dilution fitting 3 Press the AIR button in fresh air to zero the instrument 4 Connect the deflated sample bag to the sample valve on the transformer and open the valve slightly to fill the sample bag Close off the sample bag and remove it from the transformer valve 5 Attach the sample bag to the EAGLE probe and open the sample bag The sample will now be drawn into the instrument After about 45 seconds note and record the display reading Compare this reading to historical data to determine the condition of the transformer 72 Appendix H Eagle Transformer Gas Tester
11. button to update the fullscale setting The fullscale setting flashes The maximum fullscale setting for the oxygen channel is 40 0 VOL the minimum setting is 25 0 VOL The default setting is 40 0 VOL 2 Press the AIR A and SHIFT buttons to display the desired fullscale setting then press the POWER ENTER button to enter the setting The prompt flashes 28 Setup Mode Eagle Instruction Manual Updating the display increment setting 1 Press the SHIFT W button to place the prompt in the third line then press the POWER ENTER button The display increment setting flashes The allowable settings are 0 2 VOL default and 0 5 VOL 2 Press the AIR A or SHIFT W button to display the desired display increment setting then press the POWER ENTER button to enter the setting The prompt flashes Returning to the main menu 1 Press the SHIFT W button The ESCAPE message displays Press the AIR A button to return to the previous screen 2 Press the POWER ENTER button to save the new settings The OTHER GAS SET message displays then the Gas Combinations menu displays 3 To exit the Gas Combinations menu press the SHIFT W button until the prompt is next to Channel 4 then press the SHIFT W button again The ESCAPE message displays 4 Press the POWER ENTER button The message SAVING DATA displays then the main menu displays Updating toxics channel settings This section describes how to update the target gas label se
12. feature CAUTION Contact RKI Instruments Inc before changing this setting Updating the Confirmation Beep Setting With Confirmation Beep ON the Eagle beeps once every 15 minutes to verify that it is operating With Confirmation Beep OFF default the Eagle does not sound a confirmation beep 1 From the main menu select the CONFIRMATION BEEP menu option CONFIRMATION BEEP OFF 2 Press the AIR A or SHIFT button to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Returning to Default Settings Each of the parameters in Setup mode has a default setting The Eagle includes three different options for returning default settings reset all default settings reset the default alarm point settings only and reset the default oxygen zero setting only CAUTION If you reset all default settings any changes made in setup mode or normal operation including calibration settings will be lost Eagle Instruction Manual Setup Mode 39 To reset all default settings 1 From the main menu select the DEFAULT menu option 2 Press the POWER ENTER button to display the Set Default All screen 3 Press the AIR A button to reset all parameters to their default settings The messages SAVING DATA and END display then the main menu displays To reset all default alarm point settings 1 From the main menu select the DEFAULT menu option The Set Default All
13. have not been installed for an extended period for the channel to show a normal response then calibrate the sensor Parts List Table 9 lists part numbers for replacement parts and accessories of the Eagle s non standard toxic gas sensors Table 9 Parts List Non Standard Toxic Gas Sensors Part Number 06 1273RK 81 0170RK 02 81 0175RK 02 81 0185RK 02 81 0190RK 02 81 0195RK 02 ES 23A NO ES 23AH ASH3 ES 23AHS ASH3 ES 23AH NO2 ES 23AH 03 ES 23AH PH3 ES 23AH SIH4 ES 23E SO2 ES 23R NH3 ES K233 CL2 ES K233 F2 ES K233 HCL ES K233 HF ES K233 03 58 Appendix C Non Standard Toxic Gas Sensors Description Tubing 1 4 in x 1 8 in PTFE order by foot 3 ft standard consult RKI Instruments Inc for lengths longer than 3 ft Calibration cylinder 58 liter 5 ppm SO in nitrogen Calibration cylinder 58 liter 10 ppm NHs in nitrogen Calibration cylinder 58 liter 0 5 ppm PHg in nitrogen Calibration cylinder 58 liter 2 ppm Clo in nitrogen Calibration cylinder 58 liter 5 ppm HCI in nitrogen Sensor nitric oxide Sensor arsine 0 to 1 00 ppm range Sensor arsine 0 to 0 20 ppm range Sensor nitrogen dioxide Sensor ozone 0 to 5 00 ppm range Sensor phosphine Sensor silane Sensor sulfur dioxide Sensor ammonia Sensor chlorine Sensor fluorine Sensor hydrogen chloride Sensor hydrogen fluoride Sensor ozone 0 to 1 00 ppm range Eagle Instruction Manual Appendix D Carbon Dio
14. mode The data logging option uses this information to record the time and date of sample and alarm events APR J 18838 14 30 The following two screens display while the Eagle checks itself for proper operation The Eagle alerts you if a malfunction occurs STAND EY zxCH4 zxO0REM zH28 CO0 When the Eagle successfully completes its self check the OK message displays in place of the STAND BY message then the normal operating screen displays The normal screen displays fresh air concentrations for all gases The Eagle sounds a double tone to indicate it is in normal operation 10 Operation Eagle Instruction Manual CAUTION Do not use gas from a cigarette lighter to test response to combustibles Exposing the combustible gas sensor to uncontrolled high concentrations of gas will reduce response and sensor life 4 Verify that the Eagle is operating correctly Use the RKI Check Kit to easily verify correct operation of the Eagle WARNING If the Eagle does not respond to verification take it to a known fresh air environment then perform the demand zero procedure described in Preparing for Calibration on page 41 Repeat step 4 before using the Eagle in a potentially hazardous location Normal Operation The Eagle continuously monitors the sampled atmosphere and displays the gas concentrations present for its target gases In a low light environment press any button to turn on the display backlight
15. of water without damage Control Panel The control panel is at the top of the Eagle The touch pad buttons reduce the risk of accidental activation The dot matrix display simultaneously shows the gas reading for all installed sensors For the 5 and 6 gas versions the Eagle displays the gas reading of four channels Use the AIR A and SHIFT buttons to scroll to the non displayed channels The display also shows information for each of the Eagle s program modes Buttons The control panel includes the following six buttons Table 3 Eagle Button Functions Button Function s POWER ENTER turns the Eagle on and off used during setup and calibration RESET SILENCE silences and resets audible alarm if the Eagle is programmed for latching alarms and the Alarm Silence option is on 1 DISP ADJ activates display modes enters instructions into the Eagle s microprocessor LEL PPM switches combustible gas detection ranges between LEL lower explosive limit and PPM parts per million AIR A activates the demand zero function automatically adjusts the Eagle in fresh air conditions scrolls through the display and settings modes SHIFT scrolls through the calibration and settings modes enters instructions into the Eagle s microprocessor 1 The Eagle s alarms are user adjustable See Setup Mode on page 23 2 The LEL range is commonly used for safety applications the PPM range can be used for environmental or
16. other special applications Eagle Instruction Manual Description 5 Alarm Lights Two ultra bright red light emitting diodes LEDs provide visual alarms for gas concentrations and malfunctions They are mounted on the top rear of the case for greatest visibility Battery Charger Connector The battery charger connector is mounted on the top right rear of the case The external battery charger connects to this connector to recharge nickel cadmium Ni Cd batteries The continuous operation adapter also connects to the battery charger connector Interface Port The interface port is for the optional data logging or remote buzzer The port is mounted on the top left rear of the case When the Data Logging option is installed the Eagle records gas concentrations at programmed intervals and stores data on gas detected You can download these measurements through the interface port to a PC compatible computer for use in data analysis programs Data retrieval requires the Eagle Data Downloader Kit with PC connection cable and software The optional remote buzzer also connects to the interface port The remote buzzer is for use in applications where a remote alarm indication is required Buzzer A solid state electronic buzzer is mounted inside the top of the case The buzzer sounds for gas alarms malfunction low battery voltage and as an indicator during use of the Eagle s many display and adjustment options Sample Drawing
17. prompt next to the menu option then press the POWER ENTER button to select the menu option Eagle Instruction Manual Setup Mode 23 e To exit setup mode from the main menu place the prompt next to the last menu option START MEASUREMENT then press the POWER ENTER button The Eagle begins its normal start up sequence Entering Setup Mode WARNING The Eagle does not detect gas or display readings while in setup mode The CAL SETUP switch SW2 must be in the ON position to enter setup mode 1 Take the Eagle to a non hazardous location and turn the power off 2 Press and hold down the AIR A and SHIFT W buttons then press the POWER ENTER button The main menu displays It displays four menu options at a time Press the AIR A or SHIFT WV button to view additional menu options gt BATTERY TYPE GAS COMBINATI LEL OR YOL ALARM POINTS Updating the Battery Type Setting This setting allows you to select between alkaline and Ni Cd batteries The Eagle uses this setting to make sure adequate time is given between the low battery warning and low battery alarm This setting has no effect on battery charging 1 From the main menu select the BATTERY TYPE menu option BATTERY TYPE ALKALINE 2 Press the AIR A or SHIFT button to display the desired setting CAUTION This setting should always match the type of batteries alkaline or Ni Cd installed in the Eagle If this setting does not match the installed b
18. resetting alarms Latching alarms You can set latching alarms with or without Alarm Silence see Updating the Alarm Silence Setting on page 34 With Alarm Silence on When the Eagle goes into gas alarm press the RESET SILENCE button to silence the buzzer The LEDs continue to flash and the Eagle continues to display the current alarm level The gas reading must fall below or rise above for oxygen the low alarm ALM1 setting before you can reset the alarm Press the RESET SILENCE button to reset the alarm The LEDs turn off and the Eagle returns to the normal screen With Alarm Silence off The gas reading must fall below or rise above for oxygen the low alarm ALM1 setting before you can reset the alarm Press the RESET SILENCE button to reset the alarm The LEDs and buzzer turn off and the Eagle returns to the normal screen NOTE With Alarm Silence off you cannot silence the buzzer while the gas reading is above below for oxygen the low alarm ALM1 setting 18 Alarms Eagle Instruction Manual Display Mode The Eagle has four operating modes normal operating mode display mode setup mode and calibration mode With the Eagle in display mode you can e set user and station IDs e display peak readings e display elapsed time e display TWA and STEL readings toxic gases only e display battery voltage e display date and time data logging option only e clear the data log data logging optio
19. screen displays 2 Press the DISP ADJ button to display the Set Default Alarm screen 3 Press the AIR A button to reset all alarm points to their default settings The messages SAVING DATA and END display then the main menu displays To reset the oxygen zero setting 1 From the main menu select the DEFAULT menu option The Set Default All screen displays 2 Press the DISP ADJ button The Set Default Alarm screen displays 3 Press the DISP ADJ button to display the Set Default Oxygen Zero screen 4 Press the AIR A button to reset the oxygen zero setting to its default value The messages SAVINGDATA and END display then the main menu displays 40 Setup Mode Eagle Instruction Manual Calibration Calibrate the Eagle when you replace a sensor Also calibrate the Eagle periodically to assure proper sensor response You can program the Eagle to notify you when it is due for calibration see Updating the Time Calibration Setting on page 38 The frequency of calibration depends upon the amount and type of use A typical calibration frequency is once per month Calibration Supplies and Equipment To calibrate the Eagle you need e Known calibrating samples of combustible and the appropriate toxic gases The samples should have concentrations in approximately the middle of the range of detection e An oxygen free source such as 100 nitrogen or CO in a nitrogen balance e A demand flow regulator t
20. setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Updating the Time Calibration Setting data log option This setting indicates how often the Eagle alerts you to needed calibration The minimum setting is 1 day the maximum setting is 180 days The default setting is off Tip Press and hold the AIR A or SHIFT W button to rapidly scroll through settings 1 From the main menu select the TIME CALIBRATION menu option 2 Press the AIR A and SHIFT W buttons to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Updating the Date and Time Settings data log option The Data Logger uses the data and time to identify entries 1 From the main menu select the DATE TIME menu option APR J 1888 14 30 2 Press the AIR A or SHIFT W button to display the desired month 38 Setup Mode Eagle Instruction Manual 3 Press the POWER ENTER button to enter the setting The day setting flashes 4 Repeat steps 2 and 3 to enter the day year hours and minutes settings The main menu displays after you enter the minutes setting Updating the Zero Follow Settings The Zero Follow setting is not intended for customer setup The default setting for most target gases is ON The default setting for carbon dioxide sensors and some configurations of non standard toxic gas sensors is OFF The oxygen sensor does not include this
21. the DISP ADJ button once more to return to the normal screen 22 Display Mode Eagle Instruction Manual Setup Mode NOTE The screens illustrated in this section are examples only The screens displayed by your Eagle model may be slightly different The Eagle has four operating modes normal operating mode display mode setup mode and calibration mode This section describes the setup mode In setup mode you can update the battery type setting update channel settings update the combustible gas channel s units of measure update the alarm point settings update the Eagle s serial number turn the lunch break function on or off update the alarm latching setting update the alarm silence setting turn the user ID function on or off update the auto calibration settings update the back light setting turn the auto fresh air function on or off update the data interval time setting data logging option only update the log data over write setting data logging option only update the time calibration setting data logging option only update the date and time settings data logging option only turn the zero follower on or off for each channel turn the confirmation beep on or off return to default settings three default options The Eagle is pre set to suit most applications Follow these instructions only if required Tips for Using Setup Mode To select a menu option use the AIR A or SHIFT W button to place the
22. the cursor in the first line flashes Press the AIR A button to display the channel in alarm e If the alarm occurs for a channel after the bottom displayed channel the cursor in the last line flashes Press the SHIFT W button to display the channel in alarm Calibration Display and Setup Modes For screens in these modes that display all active channels a cursor displays e in the top line if channels are available before the top line Press the AIR A button to display the additional channel s e in the bottom line if channels are available after the bottom line Press the SHIFT W button to display the additional channel s e in the top and bottom lines if channels are available before the top line and after the bottom line Press the AIR A and SHIFT W buttons to display the additional channels Eagle Instruction Manual Appendix G Five Gas and Six Gas Models 71 Appendix H Eagle Transformer Gas Tester Model This Eagle Transformer Gas Tester Model is specially set up for electrical transformer gas testing Large electrical transformers are filled with oil which surrounds the transformer coils and they have an inert gas head space above the oil When a transformer begins to fail electrical arcing between the conductors of the coils can cause flammable gases to form in the head space By testing the head space for these gases and recording trends of the readings an early warning of transformer failure can be determined
23. to Channel 4 then press SHIFT W again The ESCAPE message displays 4 Press the POWER ENTER button The message SAVING DATA displays then the main menu displays Eagle Instruction Manual Setup Mode 27 Updating oxygen channel settings This section describes how to update the target gas label fullscale setting and display increment setting for the oxygen channel Updating the target gas label 1 From the main menu select the GAS COMBINATIONS menu option ILO H A CO 2 Use the AIR A or SHIFT button to place the prompt next to the oxygen channel in this example OXY 3 Press the POWER ENTER button The oxygen target gas label flashes This indicates that this setting can now be updated 4 Press the AIR A or SHIFT W buttons to display the available oxygen target gas labels OXY and NOT USED co cR CAUTION The setting is not intended for customer setup Contact RKI Instruments Inc before using this setting for the oxygen channel 5 Press the POWER ENTER button to enter the new target gas label 6 To exit the Gas Combinations menu press the SHIFT W button until the prompt is next to Channel 4 then press the SHIFT W button again The ESCAPE message displays 7 Press the POWER ENTER button The SAVING DATA message displays then the main menu displays Updating the fullscale setting 1 Press the SHIFT button to place the prompt in the second line then press the POWER ENTER
24. violet color CAUTION Do not connect the probe to the scrubber during normal operation or when setting the span reading during calibration Eagle Instruction Manual Appendix D Carbon Dioxide Sensors 59 Normal Operation of Carbon Dioxide Sensors Carbon dioxide is a background gas in fresh air Table 11 indicates typical gas readings for each of the Eagle s carbon dioxide sensors Table 11 Carbon Dioxide Fresh Air Readings Approximate nange Fresh Air Reading 0 5000 ppm 400 ppm 0 10 000 ppm 400 ppm 0 5 00 0 04 0 20 0 amp 0 50 0 0 0 Demand Zero for Carbon Dioxide Sensors When setting the zero reading the carbon dioxide scrubber mounted to the front of the Eagle allows you to eliminate carbon dioxide normally found in fresh air NOTE When performing a demand zero with a 0 20 or 0 50 CO unit the use of a scrubber is not required 1 Connect the carbon dioxide scrubber directly to the Eagle s inlet fitting 2 Wait one minute for the fresh air sample to flow through the carbon dioxide scrubber then press the AIR A button to set the zero reading If the carbon dioxide sensor fails when you press the AIR A button use the zero control marked F ZERO on the amplifier to adjust the reading to zero CAUTION Do not adjust the coarse zero potentiometer marked C ZERO 3 Remove the tubing from the carbon dioxide scrubber and probe Calibrating Carbon Dioxide Sensors Recommended calibr
25. 00 LEL COMB 2 Infrared methane 0 to 100 Vol CH4 EC4 3 Oxygen CN2 4 Toxic gas or infrared carbon dioxide EC1 EC2 or EC3 Calibrating Infrared Methane Sensors Recommended calibration frequency for the infrared methane sensor is once every 3 months Enter Calibration mode and calibrate the infrared methane sensor using the same procedure as the standard combustible gas sensor see Calibration on page 41 NOTE The 0 to 100 Volume CH version of the infrared methane sensor requires the use of a sample bag due to the type of calibration cylinder used See Table 15 on page 66 for ordering information Adjusting the sensor controls CAUTION Only perform the following steps if you are unable to set the correct calibration reading with the AIR A and SHIFT W buttons Eagle Instruction Manual Appendix E Infrared Methane Sensors 65 6 Use the AIR A and SHIFT W buttons to set the reading to the middle of the range in which you can currently adjust the reading For example if you can set the reading from a minimum of 10 LEL to a maximum of 40 LEL set the display to 25 LEL Unscrew the two large screws on the top of the case then carefully lift the top of the case and lay it aside Locate the infrared methane sensor in the front half of the bottom case It is connected to the EC4 socket on the analog PCB Adjust the sensor s SPAN control one turn and observe the display reading Continue to adjust the SPAN control
26. B CAUTION Eagle s equipped with non standard toxic gas sensors include a special inlet fitting that requires a Teflon sample hose Using a standard sample hose for these applications may result in inaccurate gas readings Calibrating Non Standard Toxic Gas Sensors Recommended calibration frequency for non standard toxics sensors is 3 to 6 months Use the Single Calibration method to calibrate non standard toxic gas sensors as described in the Calibration section of this manual with the following exception 1 At the Single Calibration screen press the SHIFT W button to scroll down to the appropriate gas then press the POWER ENTER button 2 Screw the regulator to the appropriate calibration cylinder 3 Connect the tubing from the regulator to the Eagle s probe Allow 2 minutes for the reading to stabilize 4 If necessary use the AIR A increase and SHIFT W decrease buttons to adjust the reading to match the concentration listed on the calibration cylinder Go to the next section Adjusting the sensor potentiometers if you are unable to match the reading to the concentration of the cylinder 5 Press the POWER ENTER button to set the span value SINGLE CALIBRATION END displays then the Single Calibration menu displays 6 Disconnect the tubing from the probe 7 Unscrew the regulator from the calibration cylinder 8 With the Single Calibration menu displayed press the SHIFT W button until the prompt is
27. Instruction Manual Eagle Series Portable Multi Gas Detector Part Number 71 0028RK Edition Third Released July 2001 RKI Instruments Inc 1855 Whipple Rd Hayward CA 94544 510 441 5656 Warranty RKI Instruments Inc warranties gas alarm equipment manufactured by RKI and sold by RKI to be free from defects in materials and workmanship for a period of one year from date of shipment from RKI Instruments Inc Any parts found defective within that period will be repaired or replaced at our option free of charge This warranty does not apply to items that are subject to deterioration or consumption in normal service and which must be cleaned repaired or replaced routinely Those items include but are not limited to absorbent cartridges filter elements pump diaphragms and valves batteries lamp bulbs and fuses This warranty is voided by mechanical damage misuse alteration rough handling or repairs not in accordance with the operator s manual This warranty indicates the full extent of our liability We are not responsible for removal or replacement costs local repair costs transportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES AND REPRESENTATIONS EXPRESSED OR IMPLIED AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI INSTRUMENTS INC INCLUDING BUT NOT LIMITED TO THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULA
28. K 49 1240RK 49 2149RK 49 2150RK 49 2151RK 49 2152RK 49 2153RK 52 0206RK 52 2034RK 52 2035RK 57 0012RK 62 0125RK 65 0601RK 65 2005RK 65 2035RK 71 0028RK 50 Appendix A Parts List Table 6 Parts List Description Shoulder strap Carrying case for Eagle and standard accessories Carrying case for Eagle standard accessories and calibration kit Pump Filter element for hydrophobic filter pack of 5 Filter internal dust filter Filter charcoal filter Dummy sensor toxic gas sensor position Dummy sensor oxygen sensor position Dummy sensor combustible gas sensor position Alkaline battery D size total of 4 required Ni Cd battery D size total of 4 required Battery charger 220 VAC Battery charger 115 VAC with alkaline battery recognition Battery charger 12 VDC with cigarette lighter plug Continuous operation adapter 115 VAC with 20 foot cable Continuous operation adapter 12 VDC with cigarette lighter plug Lapel buzzer Remote audible alarm with 20 foot cable Remote audible alarm and strobe light with 20 foot cable Datalogging board also requires 82 5007RK Sensor combustible gas hydrocarbon Sensor oxygen Sensor carbon monoxide Sensor hydrogen sulfide Eagle Instruction Manual Eagle Instruction Manual Table 6 Parts List cont Part Number Description 80 0131RK Probe 10 inch hydrophobic standard probe 80 0132RK Probe 10 inch hydrophobic for non standard toxic gas
29. Model Eagle Instruction Manual NOTE The EAGLE can be calibrated either with or without the dilution fitting in place If calibrated without the dilution fitting in place then display readings must be doubled to determine the actual gas concentration If calibrated with the dilution fitting in place then the sample bag must be used during calibration and the display readings will be the actual gas concentrations CAUTION If the dilution fitting is in place for calibration do not use a demand flow regulator Use a sample bag The use of a demand flow regulator with a dilution fitting when calibrating will result in an inaccurate calibration Alarms All the gas alarms on the Transformer Gas Tester are set to OFF Table 17 Parts List Eagle Tank Tester Model Part Number Description 80 0405RK Dilution fitting 1 1 81 1126RK Sample bag 9 x 9 tedlar Eagle Instruction Manual Appendix H Eagle Transformer Gas Tester Model 73 Appendix I Installing the Data Logger Board Appendix H describes the procedure to install the Eagle s data logger board The data logging feature is an optional accessory NOTE Although the data logger board may be installed in the field RKI Instruments Inc recommends that you return the Eagle to the factory for data logger board installation 1 Take the Eagle to a non hazardous location and turn the power off 2 Unscrew the two large screws on the top of the case then carefully l
30. R PURPOSE IN NO EVENT SHALL RKI INSTRUMENTS INC BE LIABLE FOR INDIRECT INCIDENTAL OR CONSEQUENTIAL LOSS OR DAMAGE OF ANY KIND CONNECTED WITH THE USE OF ITS PRODUCTS OR FAILURE OF ITS PRODUCTS TO FUNCTION OR OPERATE PROPERLY This warranty covers instruments and parts sold to end users by authorized distributors dealers and representatives of RKI Instruments Inc We do not assume indemnification for any accident or damage caused by the operation of this gas monitor Our warranty is limited to replacement of parts or our complete goods Warranty Eagle Instruction Manual Table of Contents INTO UCN ON ado 1 Over Teu b oss ona caia Ge e a mc at ane iba 1 Aboutthis Mandala ES eri tri o eri on oE OE RE LS 2 SPECHICAUONS TT 3 Descon phoMm siai sirenai dz 5 8 EEEE E E EES EO EREE E E ESEE EE 5 Control Panel eriei eR loser RUP e a nC a See wee c wed M a 5 DU LORS ss coe cae ERE e EB tenes ette deed tea Si fole 5 Alam LS tata oe EE en xb t ed 6 Battery Charger Connector saa eo tceqwaq er v adr pes Wesen eee eos 6 Interface POP Sees a Sonde e TS Ro Oe Sat ae ie S ewe 6 A aet ERR ey a ie le es e Sa eg rl ta ke ba ly ie ti ie 6 Samples DES WAS System s cea ex em tgo ED ER ER GU PAPE vs 6 e ISI AME M Se 4 ah chicas EOD EA AAA 7 Circuit DOSES Lao xot Crist Op i bea a orde 8 Methane Elimination Switch ll eee eee eee eee 8 CALZSETUPSWHHCh zx 7 t detiene aS died 8 Operational aora rs 9 Starting Wp the Eagle sy sorser
31. SETUP switch SW2 near the middle along one edge of the main processor board CAUTION The Methane Elimination switch SW1 is on the opposite edge of the board near the front end DO NOT confuse these two switches 4 Place the CAL SETUP switch in the appropriate position e To give the Eagle access to all modes place the switch in the ON position e To limit the Eagle to normal operating and display modes place the switch in the OFF position The Eagle prevents access to the setup and calibration modes by disabling the SHIFT W button 5 Place the top of the case in its original position then secure it with the large screws you loosened in step 2 6 Turn on the Eagle NOTE Make sure the Eagle s calibration is current and the setup options appropriate and safe for the operating environment before placing the CAL SETUP switch in the OFF position Turning Off the Eagle To turn off the Eagle press and hold down the POWER ENTER button until GOOD BYE displays then release the button You must wait for GOOD BYE to disappear before you can turn on the Eagle again Eagle Instruction Manual Operation 13 Alarms Alarm Indications This section describes the Eagle s audible and visual alarm indications for gas over range low flow low battery and sensor failure alarms This section also describes how to reset gas alarms The default alarm settings are listed in Table 2 Standard Sensor Specifications
32. and observe the display reading Continue to adjust the SPAN control until the display reading matches the concentration of the calibration cylinder The SPAN control is located on the top edge of the amplifier and is the control closest to the front of the instrument The front of the instrument has the scrubber attached to it 5 Press the POWER ENTER button to set the span value SINGLE CALIBRATION END displays then the Single Calibration menu displays 6 Place the top of the case in its original position then secure it with the large screws you loosened in step 5 7 Disconnect the tubing from the probe 8 Unscrew the regulator from the calibration cylinder 9 With the Single Calibration menu displayed press the SHIFT W button until the prompt is next to the last channel then press the SHIFT W button again The ESCAPE message displays 10 Press the POWER ENTER button to return to the Calibration menu 11 Press the SHIFT W button to place the prompt next to the NORMAL OPERATION menu option then press the POWER ENTER button to return to the normal screen Replacing Carbon Dioxide Sensors Return the Eagle to RKI Instruments Inc for replacement of the carbon dioxide sensor when e The carbon dioxide channel cannot be calibrated correctly e The carbon dioxide reading cannot be set to zero by the Demand Zero command or zero potentiometer 62 Appendix D Carbon Dioxide Sensors Eagle Instruction Manual Pa
33. ashes Updating the fullscale PPM setting CAUTION The fullscale PPM setting must correspond to 100 LEL for the target gas in order for the Eagle to display accurate PPM readings for the combustible gas channel 1 Press the SHIFT W button to place the prompt in the second line then press the POWER ENTER button to update the fullscale setting The fullscale setting flashes 26 Setup Mode Eagle Instruction Manual The maximum fullscale setting for the combustible gas channel is 50 000 PPM the minimum setting is 1000 ppm The default setting is 50 000 ppm 2 Press the AIR A and SHIFT W buttons to display the desired fullscale setting see Table 5 then press the POWER ENTER button to enter the setting The prompt flashes Table 5 Fullscale PPM Readings Equivalent to 100 LEL Target Gas Fullscale Setting Methane CH4 50 000 ppm Hexane 11 000 ppm Hydrogen 40 000 ppm Pentane 15 000 ppm Styrene 9 000 ppm IPA 20 000 ppm Isobutane 18 000 ppm Propane 21 000 ppm Propylene 20 000 ppm Toluene 11 000 ppm Ethane 30 000 ppm Ethanol 33 000 ppm Benzene 12 000 ppm Returning to the main menu 1 Press the SHIFT W button The ESCAPE message displays Press the AIR A button to return to the previous screen 2 Press the POWER ENTER button to save the new setting The OTHER GAS SET message displays then the Gas Combinations menu displays 3 To exit the Gas Combinations menu press the SHIFT W button until the prompt is next
34. asiest method to calibrate the Eagle e Single Calibration This method allows you to calibrate one sensor at a time Use this method if you are only calibrating one or two sensors if you are calibrating non standard toxic sensors or if you are not using the RKI Four Gas Calibration Cylinder Calibrating with the Auto Calibration method This section describes calibration using the Auto Calibration method To calibrate using the Single Calibration method see Calibrating with the Single Calibration method on page 44 1 Use the AIR A and SHIFT V button to place the prompt next to the AUTO CALIBRATION menu option 2 Press the POWER ENTER button to display the Calibration Values screen The gas concentrations displayed in the Calibration Values screen must match the gas concentrations listed on the Four Gas Calibration Cylinder If all concentrations match go to step 7 If one or more concentrations do not match continue with step 3 42 Calibration Eagle Instruction Manual 3 To adjust the values on the screen hold down the SHIFT W button and press the DISP ADJ button The Auto Calibration screen for the combustible gas channel displays AUTO CALIBRATION CH4 gt 3l LEL 4 Use the AIR A increase and SHIFT VW decrease buttons to set the correct combustible gas value 5 Press the POWER ENTER button to enter the new setting The Auto Calibration screen for the next channel displays 6 Repeat step
35. ata logging accessory and the Eagle goes into Low Battery ALARM shut off the Eagle in order to save the current data logging session 16 Alarms Eagle Instruction Manual Sensor failure alarm and emergency operation The Eagle continuously monitors itself for proper operation If a malfunction occurs the Eagle alerts you with audible and visual alarms If a sensor fails during start up or normal operation e The message FAIL SENSOR displays e The failed sensor displays in parenthesis e The buzzer sounds a steady tone e The alarms lights flash If the sensor failed during start up the Eagle continues with the normal start up sequence after the fail screen displays When the normal screen displays the Eagle replaces the gas reading for the failed sensor with xxxxx If the sensor fails during normal operation and you want to continue monitoring for the remaining target gases turn the Eagle off then follow the appropriate start up sequence When the normal screen displays the Eagle replaces the gas reading for the failed sensor with xxxxx Eagle Instruction Manual Alarms 17 Resetting Gas Alarms You can set the Eagle s gas alarms for latching or self resetting alarms see Updating the Alarm Latching Setting on page 34 Self resetting alarms Self resetting alarms automatically shut off and reset when the gas reading falls below or rises above for oxygen the alarm setting You cannot silence or reset self
36. ation frequency for carbon dioxide sensors is once every 3 months Enter Calibration mode and calibrate carbon dioxide sensors as described in the Calibration section of this manual Use the Auto Calibration method if a calibration cylinder is available that includes all target gases for your Eagle Use the Single Calibration method if you are using a carbon dioxide calibration cylinder 60 Appendix D Carbon Dioxide Sensors Eagle Instruction Manual NOTE If you are using the Auto Calibration method go the Calibration Values screen verify that the carbon dioxide value matches the concentration of carbon dioxide in the four gas calibration cylinder then proceed with step 2 1 At the Single Calibration screen press the SHIFT W button to scroll down to the carbon dioxide channel then press the POWER ENTER button 2 Screw the regulator to the appropriate calibration cylinder 3 Connect the tubing from the regulator to the Eagle s probe Allow 1 minute for the reading to stabilize 4 If necessary use the AIR A increase and SHIFT decrease buttons to adjust the carbon dioxide reading to match the concentration listed on the calibration cylinder Go to the next section Adjusting the sensor potentiometers if you are unable to match the reading to the concentration of the calibration cylinder 5 Press the POWER ENTER button to set the span value SINGLE CALIBRATION END displays then the Single Calibration menu dis
37. atteries the time between low battery warning and low battery alarm may be less than expected 3 Press the POWER ENTER button to enter the setting and return to the main menu 24 Setup Mode Eagle Instruction Manual Updating Channel Settings This procedure describes how to update channel settings for the combustible gas oxygen and toxic gas channels CAUTION Verify that the correct sensor is installed before you update a channel s settings Updating combustible gas channel settings This section describes how to update the target gas label set a custom gas label and update the fullscale PPM setting for the combustible gas channel Updating the target gas label 1 From the main menu select the GAS COMBINATIONS menu option 2 Use the AIR A or SHIFT W button to place the prompt next to the combustible gas channel in this example CH4 3 Press the POWER ENTER button The combustible gas target gas label flashes This indicates that this setting can now be updated 4 Press the AIR A or SHIFT W buttons to display the available combustible gas target gas labels CH4 HEX H2 and NOT USED NOTE Select the HEX or setting for Methane Elimination see Appendix B Methane Elimination on page 52 for more information 5 Press the POWER ENTER button to enter the new target gas label A screen displays that shows the fullscale PPM setting which corresponds to 100 LEL and display increments for t
38. ays when you turn on the Eagle BATTERY NOTE The remaining screens only display if your Eagle includes the data logging option If your Eagle does not include the data logging option press the DISP ADJ button to return to the normal screen Date Time Screen The date time screen displays the current date and time You can set the date and time in Calibration or Setup mode see page 38 APR J 199486 14 30 Eagle Instruction Manual Display Mode 21 Clear Data Logger Screens CAUTION Once you clear the data logger you cannot retrieve any data previously stored in the data logger The Clear Data Logger screens allow you to clear the data logger storage to accept new data Press the DISP ADJ button to go to the Remaining Log Time screen You can set the Eagle to overwrite the oldest data when the data log is full see page 37 CLEAR DATA LOG T To clear the data log 1 With the above screen displayed press the AIR A button A confirmation message displays 2 Press the AIR A button to confirm that you want to clear the data log The Eagle displays CLEARING DATA then displays CLEARED OK The data log is cleared and the remaining log time value is reset Remaining Log Time Screen The Remaining Log Time screen displays the time remaining until the Data Logger memory is full The remaining time depends on how often the Eagles stores data to the data log and how many channels are active Press
39. ble components For genuine RKI sensors call RKI or your local distributor All sensors are covered by a limited warranty see warranty for details CAUTION Avoid pulling on sensor wires Always unplug at the connector Replacing the combustibles sensor Replace the combustibles sensor when e The combustibles channel cannot be calibrated correctly e The LEL reading cannot be set to 0 by the Demand Zero command To replace the combustibles sensor 1 Take the Eagle to a non hazardous location and turn the power off 2 Unscrew the two large screws on the top of the case then carefully lift the top of the case and lay it aside 3 Unplug the four wire connector red white green black from the circuit board 4 Locate the combustibles sensor With the batteries closest to you the combustibles sensor is at the top left corner of the sensor block 5 Remove the two screws in the oval keeper plate and remove the sensor from the sensor block 6 Unplug the cable socket from the top of the sensor Retain the oval keeper plate for use with the replacement sensor 7 Install the replacement sensor in reverse order Eagle Instruction Manual Maintenance 47 Replacing the oxygen sensor Replace the oxygen sensor when e The O channel cannot be set to 00 0 on an oxygen free sample e The O display cannot be set to 20 9 by the Demand Zero command e The O reading drifts noticeably For example if the O reading var
40. channels you want to calibrate Make sure you use an appropriate calibration cylinder for each channel CAUTION When calibrating the oxygen channel verify the concentration of oxygen listed on the cylinder s label For oxygen free samples 100 nitrogen for example set the oxygen span setting to 0 0 10 After the last channel is calibrated disconnect the calibration tubing from the probe then unscrew the regulator from the calibration cylinder 11 With the Single Calibration menu displayed press the SHIFT W button until the prompt is next to the last channel then press the SHIFT button again The ESCAPE message displays 12 Press the POWER ENTER button to return to the Calibration menu 13 Press the SHIFT button to place the prompt next to the NORMAL OPERATION menu option then press the POWER ENTER button to return to the normal screen Eagle Instruction Manual Calibration 45 Maintenance Displaying the Battery Voltage Check the battery voltage periodically Replace or recharge the batteries before the voltage drops to 4 5 V WARNING Take the Eagle to a non hazardous location before replacing or recharging the batteries To display the battery voltage 1 From the normal screen press the DISP ADJ button to enter display mode Press the DISP ADJ button until the Battery Voltage screen displays To exit display mode press the DISP ADJ button until the normal screen displays R
41. d the SHIFT W button then press the DISP ADJ button The Auto Calibration screen for the combustible gas channel displays AUTO CALIBRATION OH 4 gt 3l LEL 3 Press the AIR A or SHIFT button to display the desired setting 4 Press the POWER ENTER button to enter the new setting The Auto Calibration screen for the next channel displays 5 Repeat steps 4 and 5 for the remaining channels You must scroll through all remaining channels before you can exit the Auto Calibration screen 6 When the Auto Calibration screen for the last channel displays press the POWER ENTER button to return to the main Auto Calibration screen 7 Press the POWER ENTER button to return to the main menu Updating the Back Light Setting This setting indicates the length of time the LCD illuminates when you press any button The minimum setting is off the maximum setting is 10 minutes The default setting is 15 seconds 1 From the main menu select the LCD BACK LIGHT TIME menu option LED AME IGHT 15 SEC 2 Press the AIR A and SHIFT buttons to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Turning the Auto Fresh Air Function On or Off WARNING If Auto Fresh Air Adjust is ON you must start the Eagle in a fresh air environment If this setting is ON and the Eagle is started in the presence of a target gas the readings and alarms will not be accurate or
42. e ESCAPE message displays Press the AIR A button to return to the previous screen 2 Press the POWER ENTER button to save the new settings The OTHER GAS SET message displays then the Gas Combinations menu displays 3 To exit the Gas Combinations menu press the SHIFT W button until the prompt is next to Channel 4 then press the SHIFT W button again The ESCAPE message displays 4 Press the POWER ENTER button The message SAVING DATA displays then the main menu displays Updating Combustible Gas Channel Units of Measure This setting allows you to display the combustible gas reading in percentage of LEL or percentage of volume The detection range remains the same If 100 LEL equals 5 by volume then fullscale on the volumetric display is 5 1 From the main menu select the LEL OR VOL HC menu option LEL OR VOL HC LEL 2 Press the AIR A or SHIFT button to display the desired setting NOTE The data logging option logs all combustible gas readings in LEL regardless of this setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Eagle Instruction Manual Setup Mode 31 Updating the Alarm Point Settings Each of the Eagle s gas detection channels includes low and high gas alarms The combustible gas channel also includes low and high alarms for PPM readings the toxic gas channels also include STEL and TWA alarms This screen allows you to update one or more alar
43. e Tp ae Pon 9 Normal Operation vinimos cdt 11 Monitoring Combustible Gas in the PPM Range 11 Monitoring Combustible Gases Other than Methane 12 Setting User ACCESS ud dis dicte ak alee dc Moe Aoc pl took is a 13 Turning Ort the Earle ro A EA 13 A A Po Pe a 14 Alarm Indications i424 db Ah UC dt ROLE ee 14 Resetting Gas ANIMOS AAA AI ADO usta 18 Eagle Instruction Manual Table of Contents Display Mod isplay Mode iaa dE Aa 19 User and Station DESC o 19 PESE OREA A ABI AO qu UL RI 20 Elapsed Time Screen ii ets 20 TWATS TELE SACA ds dure da 21 battery Voltage Screen caida aorta 21 Date Time Screener ee ce dre ad eere e oes 21 Clear Data Logger Screens eh exe Ex a IR RA VR eet 22 Remaining Log Time Screen 6 isses exuere ote actes ea 22 Setup Mode da 23 Tips for Using Setup Mode i005 6665 exea eh ARRIERE 23 Entering Setup Mode ai th ea SERERE RS ead a eas 24 Updating the Battery Type Setting vesc ere oda 24 Updating Channel Settings pet eerte CERE o IE EAR 25 Updating the Combustible Gas Channel s Units of Measure 31 Updating the Alarm Point Settings cues 32 Updating the Eagle s Serial Number ooo oooccooccono 33 Updating the Lunch Break Settidg o ooooocooocooom 33 Updating the Alarm Latching Setting 0 00 34 Updating the Alarm Silence Settig o oooooooommmo eee 34 Turning the User ID Function On ot Off i coe eee dia eee es 35 U
44. ed in the top half of the case It includes the methane elimination and CAL SETUP switches CAUTION The circuit boards should be serviced only by authorized repair personnel Methane Elimination Switch The methane elimination switch 5W1 is mounted near the top right corner of the main PCB For applications where methane is an interfering gas you can set the methane elimination switch to eliminate most response to methane see Appendix B Methane Elimination on page 52 An external methane elimination switch is available as an option CAL SETUP Switch The CAL SETUP switch SW2 is mounted near the middle left edge of the main PCB This switch controls the Eagle functions available to the user by disabling the SHIFT button Without the use of this button the user is unable to enter Calibration or Setup mode Display mode is available with either switch setting See Setting User Access on page 13 to change the switch setting 8 Description Eagle Instruction Manual Operation The Eagle has four operating modes normal operating mode display mode setup mode and calibration mode This section describes the Eagle in normal operating mode It includes procedures to start up the Eagle set various detection options for the combustible gas channel and shut down the Eagle NOTE The screens illustrated in this section are intended as examples only The screens displayed by your Eagle model may be slightly differe
45. eplacing Alkaline Batteries 1 2 Turn off the Eagle Unscrew the two large screws on the top of the case then carefully lift the top of the case and lay it aside Remove the batteries and verify that the battery compartment and electrical contacts are clean 4 Insert fresh batteries following the label on the inside of the case Place the top of the case in its original position then secure it with the large screws you loosened in step 1 Recharging Ni Cd Batteries 1 2 Turn off the Eagle Plug the cord from the charger into the Eagle s battery charger connector Plug in the AC line cord or 12 VDC supply to the charger A full charge takes approximately 8 to 12 hours Unplug the supply and the charger before using the Eagle See the charger label for directions 46 Maintenance Eagle Instruction Manual NOTE Setup mode allows you to select between alkaline and Ni Cd batteries The two types of batteries have unique low battery alarm characteristics To prevent unexpected low battery alarms always make sure the battery type setting in Setup mode matches the type of batteries installed in the Eagle Replacing Sensors Electrochemical sensors O gt HS and CO gradually deteriorate regardless of use and require periodic replacement Combustibles sensor life is typically related to usage but certain conditions may affect duration The Eagle sensors are easy to replace but do not contain user servicea
46. he target gas label you selected If you select as the gas label you must update the fullscale PPM setting to correspond to 100 LEL for the target gas Eagle Instruction Manual Setup Mode 25 The number in parenthesis indicates the display increment for that portion of the PPM range In the example below the PPM reading would display in increments of e 5 from 0 to 100 ppm e 50 from 100 to 1000 PPM and 1000 to 10 000 PPM e 250 from 10 000 to 50 000 PPM If you entered a label other than continue with step 6 If you entered go to the next section Setting a custom target gas label 6 Press the POWER ENTER button to return to the Gas Combinations menu 7 To exit the Gas Combinations menu press the SHIFT W button until the prompt is next to Channel 4 then press the SHIFT V button again The ESCAPE message displays 8 Press the POWER ENTER button The message SAVING DATA displays then the main menu displays Setting a custom target gas label 1 With the prompt next to the target gas label setting press the POWER ENTER button The first asterisk flashes 2 Press the AIR A and SHIFT W buttons to display the desired character Available characters are A through Z 0 through 9 anda blank space 3 Press the POWER ENTER button to enter the displayed character The next character flashes 4 Repeat steps 2 and 3 to enter the remaining characters When you enter the last character the prompt fl
47. ies from 20 5 to 21 5 while you view the display for a few seconds To replace the oxygen sensor 1 Take the Eagle to a non hazardous location and turn the power off 2 Unscrew the two large screws on the top of the case then carefully lift the top of the case and lay it aside 3 Locate the oxygen sensor With the batteries closest to you the oxygen sensor is at the bottom left corner of the sensor block m Unplug the cable leading from the oxygen sensor at the large multi pin connector 5 Loosen the screws on the metal strap that covers the oxygen sensor 6 Push the strap toward the screw that is furthest away from the battery compartment 7 Swing the strap aside 8 Remove the oxygen sensor 9 Install the replacement sensor in reverse order Replacing the H2S or CO sensor Replace the H5S or CO sensor when e The HS or CO channel cannot be calibrated correctly e The HS or CO reading cannot be set to 00 by the Demand Zero command NOTE Allow up to 1 2 hour after you replace the HS or CO sensor or if charged batteries have not been installed for an extended period for the channel to show a normal response then calibrate the sensor 48 Maintenance Eagle Instruction Manual To replace the H S or CO sensor 1 Take the Eagle to a non hazardous location and turn the power off 2 Unscrew the two large screws on the top of the case then carefully lift the top of the case and lay it aside 3 L
48. ift the top of the case and lay it aside 3 Unplug the ribbon cable from the main circuit board in the top case 4 Remove the two screws flat washers and lock washers that hold the main circuit board in the top case 5 Slowly pull the main circuit board from the top case far enough to allow room to install the Data Logger board Avoid pulling so far that you disconnect any of the four cables on the main circuit board 6 Plug the Data Logger board into the main circuit board at CN1A CN1B CN1C and CN1D 7 Reassemble the main circuit board to the top case with the screws and lock washers removed in step 4 8 Plug in the ribbon cable 9 Reassemble and secure the top case to the bottom case 10 Start the Eagle and program the Data Logger functions as described in Setup Mode on page 23 74 Appendix I Installing the Data Logger Board Eagle Instruction Manual
49. ions for the infrared methane sensor The alarm settings are user adjustable see Updating the Alarm Point Settings on page 32 Table 13 Infrared Methane Sensor Specifications Range Alarm 1 Alarm 2 TWA Alarm STEL Alarm 0 to 100 LEL CH 10 LEL 50 LEL N A N A PPM 1 5000 ppm 25 000 ppm N A N A 0 to100 Volume CH 10 VOL 20 VOL N A N A 1 The PPM range for CH is O to 50 000 ppm 64 Appendix E Infrared Methane Sensors Eagle Instruction Manual Description The infrared methane sensor is mounted in the front half of the instrument case The sensor is attached and wired to a dedicated amplifier which includes ZERO and SPAN controls A bracket secures the sensor amplifier assembly to the instrument case Eagles with an infrared methane sensor that has a 0 to 100 LEL range do not include the standard catalytic combustible gas sensor In these models the infrared methane sensor is wired to the EC4 socket on the analog PCB and the gas reading is displayed in channel 1 This sensor is also capable of measuring in the PPM range Eagles with an infrared methane sensor that has a 0 to 100 Volume CH range may also include the standard combustible gas sensor Table 14 lists the sensor configuration for Eagles that include this sensor Not all channels may be active in your Eagle Table 14 Sensor Configuration for Infrared Methane Sensors 0 to 100 Volume Channel Sensor Analog PCB Socket 1 Standard combustible gas 0 to 1
50. lays press the POWER ENTER button to enter the character and go to the next character 4 Repeat steps 2 and 3 for the remaining 19 characters After you enter the last character the Peak screen displays Peak Screen The Peak screen displays the highest lowest for O5 concentrations detected since the Eagle was turned on Peak readings are stored in the Eagle s memory until a higher level is detected or the Eagle is turned off The Lunchbreak RESUME option enables the Eagle to remember peak readings when it is turned off See Starting Up the Eagle on page 9 Elapsed Time Screen The Elapsed Time screen displays the time in minutes since the Eagle was last turned on 20 Display Mode Eagle Instruction Manual TWA STEL Screen The TWA STEL screen displays the time weighted average TWA and the short term exposure limit STEL readings for toxic gases only The TWA reading is the average reading during the last 8 hours If 8 hours have not elapsed since the last time the TWA STEL reading was cleared the average is still calculated over 8 hours The missing time is assigned a 0 value for readings The STEL reading is the average reading during the last 15 minutes Battery Voltage Screen The Battery Voltage screen displays the minimum operating voltage and present battery voltage New alkaline batteries typically measure 6 0 V fully charged Ni Cd batteries typically measure 5 2 V This screen also displ
51. luene and the display reads 10 LEL the actual toluene reading is 10 x 0 90 9 LEL toluene To determine the concentration of other combustible gases with the Eagle in full response mode see Table 4 on page 12 Table 7 Methane Elimination Mode Conversion Factors Hexane Calibration Target Gas LEL Factor PPM Factor Hexane Calibration Hexane Calibration Benzene 0 90 0 98 Ethane Low response Low response Ethanol 0 75 2 25 Ethylene 0 53 0 57 Hexane 1 00 1 00 Hydrogen 0 55 2 00 IPA 0 98 1 77 Isobutane 0 74 1 21 MEK 0 91 1 49 Methane No response No response Methanol 0 91 4 56 Propane Low response Low response Propylene 0 69 1 26 Toluene 0 90 0 98 WARNING The Eagle s alarms are initiated by the DISPLAY reading not the FACTORED reading If you are monitoring for toluene as in the above example and the low alarm is set for 10 LEL the Eagle will initiate a low alarm at 9 LEL toluene display reading of 10 LEL Eagle Instruction Manual Appendix B Methane Elimination 53 Appendix C Non Standard Toxic Gas Sensors Appendix C describes the Eagle s non standard electrochemical toxic gas sensors This appendix also offers information for calibrating and replacing non standard toxic gas sensors Non standard electro chemical toxic gas sensors are toxic gas sensors other than CO or H3S Specifications Table 8 lists specifications for the non standard toxic gas sensors The alarm settings are user adjustable see
52. m points the reading at which the Eagle recognizes the alarm 1 From the main menu select the ALARM POINTS menu option gt CH4 ORY H28 CO 2 Select the channel of the alarm point you want to update The channel s Set Low Alarm Point screen displays in this example for the combustible gas channel NOTE The Eagle displays the set alarm point screens for each channel in the following sequence low alarm high alarm TWA alarm toxics only and STEL alarm toxics only If this is the alarm point you want to update continue with step 3 If not continue pressing the POWER ENTER button until the correct set alarm point screen displays then continue with step 3 3 Use the AIR A and SHIFT W buttons to display the desired setting 4 Press the POWER ENTER button to enter the new alarm point and scroll to the next set alarm point screen Repeat step 3 and 4 to update another alarm point for this channel 5 Press the POWER ENTER button to scroll to the last set alarm point screen for this channel then press the POWER ENTER button again to return to the Set Alarm Points menu 6 Repeat steps 2 through 5 until all desired alarm points are updated Make sure you return to the Set Alarm Points menu to continue 32 Setup Mode Eagle Instruction Manual 7 To exit the Set Alarm Points menu press the SHIFT W button until the prompt is next to Channel 4 then press the SHIFT W button again The ESCAPE message displa
53. mbustible gas sensor requires oxygen to operate In environments where there is not enough oxygen to operate the combustible gas sensor for example a tank purged with an inerting gas the 1 1 dilution fitting adds sufficient oxygen by blending ambient air with the incoming sample The standard dilution fitting dilutes at a ratio of 1 1 one part air to one part sample To attach the dilution fitting 1 Attach the dilution fitting s quick disconnect fitting to the Eagle s inlet fitting 2 Attach the hose to the opposite end of the dilution fitting NOTE When using the dilution fitting multiply the combustible gas reading LEL or PPM by 2 to determine the actual combustible gas concentration Always remove the dilution fitting or seal the dilution hole to measure for oxygen Alarms The Eagle Tank Tester model has two alarms for oxygen They are factory set at 5 0 by volume increasing and 19 5 by volume decreasing The increasing alarm is used to monitor a purged vessel to alert you to a rising oxygen condition The decreasing alarm is generally used for confined space entry to warn you of dangerously low breathing levels ANY oxygen level is either above or below one of these alarm levels so the Eagle Tank Tester version will go into alarm when first turned on To silence the alarm press the RESET button The audible alarm silences but the alarm lights continue to flash and the display screen continues to indicate an o
54. n only e display remaining log time data logging option only To enter display mode from the normal screen press the DISP ADJ button To scroll from one screen to the next press the DISP ADJ button NOTE Each screen displays for 20 seconds If you do not press the DISP ADJ button to scroll to the next screen within 20 seconds the Eagle automatically returns to the normal operating screen User and Station ID Screen This screen displays only if the user ID function is activated see Turning the User ID Function On or Off on page 35 Each ID contains 10 characters Uppercase letters numbers asterisks and a blank space are available characters Use this screen to identify user location or other information If your Eagle includes the data logging option the User and Station ID provides a way to identify the user and location of exposure The User and Station ID are saved to the data logger when you turn off the Eagle so you can update the IDs for each data logging session USER ID Eagle Instruction Manual Display Mode 19 To enter a user and station ID To scroll to the next screen at any time press the DISP ADJ button 1 Press the POWER ENTER button The first character under USER ID flashes is default 2 Press the AIR A and SHIFT W buttons to scroll through the available characters The asterisk and blank space are between the set of letters and numbers 3 When the desired character disp
55. nel s full scale setting e OVER displays in the alarm field for that channel e The channel s display line flashes e The buzzer sounds a pulsed tone e The alarm lights flash Eagle Instruction Manual Alarms 15 Low flow alarm If the Eagle s sample system becomes restricted or blocked for example plugged probe fouled filter pinched tubing FAIL LOW FLOW LEVEL The message FAIL LOW FLOW LEVEL replaces the normal screen e The buzzer sounds a steady tone e The alarm lights are on continuously e The pump automatically shuts off to prevent damage Correct the flow blockage Press the RESET SILENCE button to turn off the alarms and restart the pump If low flow conditions still exist the Eagle will go into alarm again If the condition cannot be corrected immediately take the Eagle out of service to a non hazardous area Low battery alarm When the battery charge drops near the lower limit the Eagle displays the following screen BAT flashes For alkaline batteries you have approximately 3 hours of use remaining for Ni Cd batteries you have approximately 15 minutes of use remaining Low Battery Warning When the battery voltage drops to the minimum limit the following screen displays the alarm lights are on continuously and the buzzer sounds a steady tone The Eagle is not operational as a gas monitoring device when this screen displays Low Battery ALARM NOTE If you are using the d
56. next to the last channel then press the SHIFT W button again The ESCAPE message displays 9 Press the POWER ENTER button to return to the Calibration menu 10 Press the SHIFT W button to place the prompt next to the NORMAL OPERATION menu option then press the POWER ENTER button to return to the normal screen Eagle Instruction Manual Appendix C Non Standard Toxic Gas Sensors 55 Adjusting the sensor controls CAUTION Only perform the following steps if you are unable to set the correct calibration reading with the AIR A and SHIFT W buttons 1 Use the AIR A and SHIFT W buttons to set the reading to the middle of the range in which you can currently adjust the reading For example if you can set the reading from a minimum of 1 0 ppm to a maximum of 3 0 ppm set the display to 2 0 ppm 2 Unscrew the two large screws on the top of the case then carefully lift the top of the case and lay it aside 3 Locate the sensor in the front half of the bottom case The sensor with wires connected to EC3 on the analog PCB displays its reading on the third line of the screen The sensor connected to EC4 on the analog PCB displays its reading on the fourth line of the screen 4 Adjust the sensor s SPAN control one turn and observe the display reading Continue to adjust the SPAN control until the display reading matches the concentration of the calibration cylinder The SPAN control is located next to the sensor on the side close
57. nt Starting Up the Eagle 1 Za 3 Connect the sample hose to the Eagle s quick connect inlet fitting Connect the hydrophobic filter and probe tip to the sample hose s quick connect fitting Press and briefly hold down the POWER ENTER button If the Lunch Break feature is on see page 33 the Resume Datalog screen displays If the Lunch Break feature is off the Battery Voltage screen displays RESUME DATALOG 7 J YES AIR HO DISPLAY e Press the AIR A button to continue accumulating time weighted average TWA and PEAK readings from the last time the Eagle was used The short term exposure limit STEL reading is reset each time the Eagle is turned on The Battery Voltage screen displays e Press the DISP ADJ button to restart these measurements The Battery Voltage screen displays If you do not press the AIR A or DISP ADJ button within 5 seconds the Eagle automatically resumes datalog readings and displays the Battery Voltage screen Eagle Instruction Manual Operation 9 The Battery Voltage screen displays the minimum usable and actual battery voltage for example 6 0V If the battery voltage is too low the Eagle will not continue BATTERY NOTE The following screen only displays if the data logging option is installed If the data logging option is not installed the Self Diagnosis screen displays after the Battery Voltage screen This message displays the date and time as set in Setup
58. o CH4 and calibrated to methane Multiply the display reading by the factor in the appropriate column in the table For example if you are using the Eagle to detect hexane and the display reads 10 LEL the actual hexane reading is 10 x 3 00 30 LEL hexane WARNING The Eagle s alarms are initiated by the DISPLAY reading not the FACTORED reading If you are monitoring for hexane as in the example below and the low alarm is set for 10 LEL the Eagle will initiate a low alarm at 30 LEL hexane display reading of 10 LEL To determine the concentration of other combustible gases with the Eagle in methane elimination mode see Table 7 on page 53 Table 4 Full Response Mode Conversion Factors Methane Calibration Target Gas LEL Factor PPM Factor Methane Calibration Methane Calibration Benzene 2 80 0 67 Ethane 1 40 0 84 Ethanol 2 25 1 5 Ethylene 1 58 0 4 Hexane 3 00 0 67 Hydrogen 1 65 1 4 IPA 2 83 1 13 Isobutane 1 93 1 21 MEK 3 00 1 08 Methane 1 00 1 00 Methanol 2 33 2 57 Propane 2 30 0 92 Propylene 2 00 0 80 Toluene 2 80 0 67 12 Operation Eagle Instruction Manual Setting User Access The CAL SETUP switch controls the Eagle functions available to the user The switch setting does not affect the Eagle s ability to display gas readings and indicate gas and malfunction alarms 1 Turn off the Eagle 2 Unscrew the two large screws on the top of the case 3 Turn over the top half of the case and locate the CAL
59. o provide adequate sample gas flow For one source auto calibration you can use the RKI Four Gas Cylinder to adjust all the sensors at the same time automatically with no need for a zero oxygen source This section includes instructions for calibration with the demand flow regulator and RKI Four Gas Cylinder This section also includes instructions for calibration with individual gas sources Preparing for Calibration 1 Take the Eagle to a non hazardous location with fresh air conditions 2 Turn on the Eagle and allow one minute for warm up Press and hold the AIR A button until a tone sounds The Eagle automatically sets the combustible gas and toxics circuits to zero and the oxygen circuit to 20 9 4 Screw the regulator to the calibration cylinder 5 Connect the calibration tubing to the regulator Eagle Instruction Manual Calibration 41 Calibrating the Eagle Press and hold the SHIFT W button then press the DISP ADJ button The Calibration menu displays NOTE The following screens illustrate a four gas Eagle with the data logging option and are intended as examples only Your Eagle may display slightly different screens The Eagle s Calibration menu includes two methods of calibration Auto Calibration and Single Calibration e Auto Calibration This method allows you to calibrate all four sensors simultaneously It is designed for use with the RKI Four Gas Calibration Cylinder and is the quickest and e
60. ocate the toxic gas sensor you intend to replace With the batteries closest to you the sensor for Channel 3 is at the top right corner of the sensor block and the sensor for Channel 4 is at the bottom right corner of the sensor block Note the color of the leads extending from the sensor you intend to replace 4 Unplug the appropriate sensor connector from the circuit board Use the color of the leads to determine the appropriate connector 5 Remove the sensor from the sensor block If necessary wiggle the sensor to work it out of the seal 6 Install the replacement sensor in reverse order CAUTION Verify that you install the H5S or CO sensor in the appropriate flow block position The Eagle will display inaccurate H55 and CO readings if the sensors are not installed in the correct flow block positions The Eagle continues to display H5S and CO readings in the same channels as it did previously regardless of which socket EC1 or EC2 the sensor is wired to or into which flow block position the sensor is installed However the H3S and CO reading will be inaccurate due to the charcoal filter installed before the CO flow block position Eagle Instruction Manual Maintenance 49 Appendix A Parts List Table 6 lists part numbers for the Eagle s replacement parts and accessories Part Number 13 0100RK 20 0640RK 20 0642RK 30 0600RK 01 33 0156RK 01 33 0160RK 33 6091RK 35 0110RK 35 0111RK 35 0112RK 49 1140R
61. ons and warnings in this manual to assure proper and safe operation of the Eagle Eagle Instruction Manual Introduction 1 About this Manual This manual is intended for use with all Eagle models Examples used in this manual are for the standard four gas model combustible gas oxygen carbon monoxide and hydrogen sulfide Differences between the standard four gas model and other Eagle models are noted where applicable This manual is organized as follows e The standard sections included in pages 1 through 49 describe the Eagle s specifications and internal and external components These sections also describe the operation calibration and maintenance of the Eagle e Appendix A lists part numbers for the Eagle s replacement parts and accessories e Appendix B describes the Eagle s methane elimination feature e Appendices C through E describe the Eagle s non standard sensors e Appendix F describes the Eagle tank tester model e Appendix G describes the Eagles s five and six gas models e Appendix H describes the procedure to install the Eagle s optional Data Logger board 2 Introduction Eagle Instruction Manual Specifications Table 1 lists physical and environmental specifications for the Eagle Table 2 lists specifications for the Eagle s standard sensors Table 1 Eagle Specifications Target Gases Combustible gas Oxygen Os Carbon monoxide CO Hydrogen sulfide H2S Case High impact pol
62. pdating the Auto Calibration Settings ooooooooooo 35 Updating the Back Light Setting ee n 36 Turning the Auto Fresh Air Function On or Off 36 Updating the Interval Time Setting data log option 37 Updating the Log Data Over Write Setting data log option 37 Updating the Time Calibration Setting data log option 38 Updating the Date and Time Settings data log option 38 Updating the Zero Following SettiNgsS ooooocoooocmooo 39 Updating the Confirmation Beep Setting o oooooooooo 39 Returning to Default Settings iss Rhe ees 39 Table of Contents Eagle Instruction Manual CMD is e ee es seco datis 41 Calibration Supplies and Equipment eed eu ht eR EVE hee 41 Preparing for Calbratiolizasoo 39 Sev ve rOX VEREOR RUE Eod RE RV 41 Calibrating the Eagle oil RETO TER eat es 42 IN aintenance o doces voli vao tox vu LESE X Cr SEP PRESE 46 Displaying the Battery Voltage 3a zen I traia 46 Replacing Alkaline Batteries lt lt eds ca p he dbs hers YR 46 Recharging Ni Cd Batteries ados eed V RC ES 46 Replacing SENSO Ua eg cis as 47 Appendix A Parts EISE eder rte Cel 50 Appendix B Methane Elimination o ooooooo oo 52 Appendix C Non Standard Toxic Gas Sensors 54 Spectator cl 54 Desertp AAA ave ato LA dis Mis theta ie ten Dede if acd cabled 54 Calibrating Non Standard Toxic Gas Sensors oooooooooooo 55 Re
63. placing Non Standard Toxic Gas SensorS oooooooccooooo oo 57 POPSd SE A OS 58 Appendix D Carbon Dioxide SensorS ooooooomoo m o 59 e KE 59 aa AAA E OS 59 Normal Operation of Carbon Dioxide Sensors oooooomoo oo 60 Demand Zero for Carbon Dioxide SensorS ooooooomccooo o 60 Calibrating Carbon Dioxide Sensors metes 60 Replacing Carbon Dioxide Sensors o oooocooccooccnccocco ooo 62 Parts TISE rock a i a eE Rely Ced E E G 63 Appendix E Infrared Methane SensorS o oooooooo o o 64 Target Gases dar So ace a O A NAO 64 Specifications rd e et le o yeh bate aes 64 Description stesso D E eR ad e a qudd Seem Rd 65 Calibrating Infrared Methane Sensors 0 0 000005 65 Replacing Infrared Methane Sensors 00000 c cee eee 66 Parts Listar 9d pos QUE TOV P EOS HEP hE POSER SAE 66 Eagle Instruction Manual Table of Contents Appendix F Eagle Tank Tester Model 67 Description y cinta ante dul a dba Ql ed nio ee S ot bites 67 AA CET TE EURO E a UNE TEUER Eo PTS 68 Calibrations ii espe onte ots oreet o IURE oe RU Se a RR 69 Par LAGE eiue qud xtd a aute Oaks ane ee Ru eR DER supe tu 69 Appendix G Five Gas and Six Gas Models 70 EA SA ERE TT TTC TU CET CT TT TETTE at id o la 70 Displaying Additional Channels vente Eon rv E VEO ES 70 AMM AUS dara 71 Calibration Display and Setup Modes 0 0000005 71 Appendix H Eagle Transformer Gas Tester
64. plays 6 Disconnect the tubing from the probe then unscrew the regulator from the cylinder 7 With the Single Calibration menu displayed press the SHIFT W button until the prompt is next to the last channel then press the SHIFT W button again The ESCAPE message displays 8 Press the POWER ENTER button to return to the Calibration menu 9 Press the SHIFT W button to place the prompt next to the NORMAL OPERATION menu option then press the POWER ENTER button to return to the normal screen Adjusting the sensor controls CAUTION Only perform the following steps if you are unable to set the correct calibration reading with the AIR A and SHIFT W buttons 1 Use the AIR A and SHIFT W buttons to set the reading to the middle of the range in which you can currently adjust the reading For example if you can set the reading from a minimum of 1 00 Eagle Instruction Manual Appendix D Carbon Dioxide Sensors 61 CO to a maximum of 3 00 COs set the display to 2 00 CO 2 Unscrew the two large screws on the top of the case then carefully lift the top of the case and lay it aside 3 Locate the carbon dioxide sensor in the front half of the bottom case A sensor with wires connected to EC3 on the analog PCB displays its reading on the third line of the screen A sensor connected to EC4 on the analog PCB displays its reading on the fourth line of the screen 4 Adjust the carbon dioxide sensor s SPAN control one turn
65. rate using the Auto Calibration method see Calibrating with the Auto Calibration method on page 42 CAUTION The single calibration method does not have a FAIL notification Replace sensors that cannot be set to agree with the calibration source then recalibrate 1 Use the AIR A and SHIFT W buttons to place the prompt next to the SINGLE CALIBRATION menu option 2 Pressthe POWER ENTER button to display the Single Calibration menu 3 Use the AIR A or SHIFT W button to place the prompt next to the channel to calibrate in this example the combustible gas channel 4 Press the POWER ENTER button The Single Calibration screen displays for the channel you selected The gas reading flashes CH4 CALIBRATION 5 Connect the tubing from the regulator to the Eagle s probe NOTE The combustible gas sensor is a general hydrocarbon sensor that responds to most flammable vapors and gases the response will vary depending upon the substance For best results calibrate the Eagle to the target gas or vapor 6 If necessary use the AIR A increase and SHIFT decrease buttons to adjust the reading to match the concentration listed on the calibration cylinder 44 Calibration Eagle Instruction Manual 7 Press the POWER ENTER button to set the span value SINGLE CALIBRATION END displays then the Single Calibration menu displays 8 Disconnect the tubing from the probe 9 Repeat steps 3 through 8 for any other
66. reliable 36 Setup Mode Eagle Instruction Manual With Auto Fresh Air Adjust ON the Eagle automatically set the fresh air reading for all channels during the start up sequence With Auto Fresh Air Adjust OFF default you must press the AIR A button to set the fresh air reading for all channels 1 From the main menu select the AUTO FRESH AIR ADJ menu option AUTO FRESH AIR ADJ OFF 2 Press the AIR A or SHIFT button to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Updating the Interval Time Setting data log option This setting indicates how often the Eagle records readings into the Data Logger The minimum setting is 10 seconds the maximum setting is 5 minutes The default setting is 5 minutes 1 From the main menu select the INTERVAL TIME menu option 2 Press the AIR A and SHIFT W buttons to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Updating Log Data Over Write Setting data log option With Data Over Write ON the Eagle writes over the oldest data with new data when the Data Logger memory is full With Data Over Write OFF the Eagle stops writing data when the Data Logger memory is full Eagle Instruction Manual Setup Mode 37 1 From the main menu select the LOG DATA OVER WRITE menu option 2 Press the AIR A or SHIFT W button to display the desired
67. rts List Table 12 lists part numbers for replacement parts and accessories of the Eagle s carbon dioxide sensors Table 12 Parts List Carbon Dioxide Sensors Part Number Description 33 6010RK 01 Scrubber carbon dioxide 81 0070RK 03 Calibration cylinder 103 liter 2000 ppm CO 81 0071RK 03 Calibration cylinder 103 liter 5000 ppm CO 81 0072RK 03 Calibration cylinder 103 liter 2 5 CO 81 0073RK 03 Calibration cylinder 103 liter 15 CO 81 1054RK Regulator demand flow type for 58 and 103 liter calibration cylinders Eagle Instruction Manual Appendix D Carbon Dioxide Sensors 63 Appendix E Infrared Methane Sensors Appendix E describes the Eagles non standard infrared methane sensor This appendix also offers additional information for calibrating and replacing the infrared methane sensor Target Gases The infrared methane sensors are setup for and factory calibrated to methane This section lists other combustible gases known to respond and to not respond to the infrared methane sensor Consult RKI Instruments Inc for combustible gases not listed below The following combustible gases are also known to respond to the infrared methane sensors e ethane e hexane e IPA e isobutane e MEK propane e toluene The following combustible gases are known to not respond or respond poorly to the infrared methane sensor e acetylene e hydrogen e styrene Specifications Table 13 lists specificat
68. s 4 and 5 to set the correct values for the remaining channels and return to the Calibration Values screen NOTE The RKI Four Gas Cylinder contains approximately 12 O by volume Be sure to set the OXY reading to agree with the concentration listed on the cylinder s label not zero 7 With the Calibration Values screen displayed press the POWER ENTER button The gas readings flash 8 Connect the tubing from the regulator to the Eagle s probe Wait approximately 1 minute or until the readings stabilize 9 Press the POWER ENTER button to set the calibration to the programmed values If a sensor s cannot calibrate to the proper value FAIL PUSH AIR KEY displays and the Eagle lists the sensor s that failed to calibrate The other sensors calibrate normally The buzzer and alarm lights activate Press the AIR W button to reset the alarm and return to the Calibration menu Replace the failed sensor s then repeat calibration 10 AUTO CALIBRATION END displays then the Calibration menu displays 11 Disconnect the tubing from the probe 12 Unscrew the regulator from the calibration cylinder 13 Press the SHIFT button to place the prompt next to the NORMAL OPERATION menu option then press the POWER ENTER button to return to the normal screen Eagle Instruction Manual Calibration 43 Calibrating with the Single Calibration method This section describes calibration using the Single Calibration method To calib
69. sensors 80 0505RK Hose 5 foot polyurethane standard hose 81 0154RK 02 Calibration cylinder for demand flow regulator kit 58L four gas CH4 Oo CO H2S 81 1054RK Regulator demand flow type for 58 and 103 liter calibration cylinders 82 5007RK Datalogging software and cable also requires 57 0012RK Eagle Instruction Manual Appendix A Parts List 51 Appendix B Methane Elimination For applications where methane is an interfering gas you can set the Eagle to eliminate most response to methane The methane elimination switch is a standard feature on the circuit board inside the top of the Eagle s case An external switch is available as an option For this type of detection the combustible gas channel must be programmed to display HEX or see Updating Channel Settings on page 25 Eagles with the external methane elimination switch are factory set with the correct display Setting up for methane elimination mode 1 Take the Eagle to a fresh air environment Set the internal methane elimination switch to the HEX ON position or the external switch to Methane Response Off CAUTION If the Eagle is equipped with an external methane elimination switch do not adjust the internal switch The internal switch should always be in the CHA position 2 Allow 2 minutes for the combustibles sensor to stabilize 3 Perform the demand zero procedure as described in Preparing for Calibration on page 41 WARNING
70. sors in the standard sensor block The additional sensor s are mounted in the front half of the instrument case and are wired to sockets EC3 channel 5 and EC4 channel 6 on the analog PCB NOTE The data logging accessory is not available for the Eagle s five and six gas models This is also true for five and six gas models with four or less active channels Displaying Additional Channels The normal screen displays a cursor gt at the far left to indicate that additional channels can be displayed e A cursor to the left of the last channel displayed indicates that additional channels are available after the currently displayed channels Press the SHIFT W button to display the remaining channels e A cursor to the left of the first channel displayed indicates that additional channels are available before the currently displayed channels Press the AIR A button to display the remaining channels 70 Appendix G Five Gas and Six Gas Models Eagle Instruction Manual e Cursors to the left of the first and last channels displayed indicate that additional channels are available before and after the currently displayed channels Press the AIR A and SHIFT W buttons to display the remaining channels Alarms If the Eagle recognizes an alarm condition for a non displayed channel the cursor flashes and the standard audible and visual alarms initiate e If the alarm occurs for a channel before the top displayed channel
71. st to the front of the instrument 5 Press the POWER ENTER button to set the span value SINGLE CALIBRATION END displays then the Single Calibration menu displays 6 Place the top of the case in its original position then secure it with the large screws you loosened in step 2 7 Disconnect the tubing from the probe then unscrew the regulator from the calibration cylinder 8 With the Single Calibration menu displayed press the SHIFT W button until the prompt is next to the last channel then press the SHIFT W button again The ESCAPE message displays 9 Press the POWER ENTER button to return to the Calibration menu 10 Press the SHIFT W button to place the prompt next to the NORMAL OPERATION menu option then press the POWER ENTER button to return to the normal screen 56 Appendix C Non Standard Toxic Gas Sensors Eagle Instruction Manual NOTE If a non standard toxics channel displays Zero Fail after the Demand Zero procedure adjust the ZERO control next to SPAN until the reading displays the smallest increment above 0 0 For example 0 01 or 0 1 Repeat Demand Zero Replacing Non Standard Toxic Gas Sensors Replace the non standard toxic gas sensor when e The toxic gas channel cannot be calibrated correctly e The toxic gas reading cannot be set to zero by the Demand Zero command or zero potentiometer NOTE RKI Instruments Inc recommends that you return the Eagle for replacement of the non standard to
72. t a custom gas label and update the fullscale and display increment settings for a toxic gas channel Updating the target gas label 1 From the main menu select the GAS COMBINATIONS menu option 2 Press the POWER ENTER button to display the Gas Combinations menu TO H A CO 3 Use the AIR A or SHIFT button to place the prompt next to the toxic gas channel in this example H2S or CO 4 Press the POWER ENTER button The toxic target gas label flashes This indicates that this setting can now be updated co E gt Eagle Instruction Manual Setup Mode 29 5 Press the AIR A or SHIFT W buttons to display the available target gas labels for the toxic gas channel H2S CO SO2 Cl2 NH3 CO2 5 00 CO2 10000 PPM CO2 5000 PPM and NOT USED 6 Press the POWER ENTER button to enter the new target gas label If you entered a label other than continue with step 7 If you entered go to the next section Setting a custom target gas label 7 To exit the Gas Combinations menu press the SHIFT W button until the prompt is next to Channel 4 then press the SHIFT W button again The ESCAPE message displays 8 Press the POWER ENTER button The message SAVING DATA displays then the main menu displays Setting a custom target gas label 1 With the prompt next to the target gas label setting press the POWER ENTER button The first asterisk flashes 2 Press the AIR A and SHIFT
73. the AIR A or SHIFT W button to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Updating the Alarm Latching Setting With Alarm Latching ON the Eagle remains in alarm condition until the alarm condition passes and the RESET SILENCE is pressed With Alarm Latching OFF the Eagle automatically resets its alarm when the alarm condition passes 1 From the main menu select the ALARM LATCHING menu option ALARM LATCHING ON 2 Press the AIR A or SHIFT button to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu Updating the Alarm Silence Setting NOTE This feature works only when Alarm Latching is turned on With Alarm Silence ON pressing the RESET SILENCE button silences the buzzer when the Eagles goes into alarm The LEDs continue to flash and the display continues to show the level of alarm When the gas concentration falls below the low alarm level pressing the RESET SILENCE button turns off the LEDs and removes the ALM1 message With Alarm Silence OFF you cannot silence the buzzer 1 From the main menu select the ALARM SILENCE menu option ALARM SILENCE OM 2 Press the AIR A or SHIFT button to display the desired setting 3 Press the POWER ENTER button to enter the setting and return to the main menu 34 Setup Mode Eagle Instruction Manual Turning the User ID Function On or
74. tration Oxygen sensor The oxygen O sensor is mounted face down in the sensor block to allow the sample flow to diffuse into the sensor A multi pin plug connects the O sensor to the CN2 socket on the analog PCB The O sensor is an electrochemical cell which reacts to the oxygen in the atmosphere and produces a voltage proportional to the oxygen concentration This voltage is converted by the Eagle into a reading of oxygen concentration Standard toxics CO and H2S sensors The CO and H5S sensors are physically very similar They have cylindrical bodies and are mounted face down in the sensor block A three position connector from each sensor plugs into EC1 or EC2 socket on the analog PCB The sensor connected to the EC1 socket displays as channel 3 the sensor connected to the EC2 socket displays as channel 4 The toxics sensors are electrochemical cells which react to the target gas in the atmosphere producing a current proportional to the concentration of gas The current is converted by the Eagle into a reading of target gas concentration Eagle Instruction Manual Description 7 Circuit Boards The Eagle circuit boards analyze record control store and display the information collected The analog PCB is mounted perpendicular to the base of the instrument case It is located in the same half of the case as the sensors and sample drawing system The sensor leads connect to the analog PCB The main PCB is mount
75. until the display reading matches the concentration of the calibration cylinder The SPAN control is on the top edge of the amplifier and is the control closest to the front of the instrument Place the top of the case in its original position then secure it with the large screws you loosened in step 5 Continue with the normal calibration procedure Replacing Infrared Methane Sensors Return the Eagle to RKI Instruments Inc for replacement of the infrared methane sensor when The infrared methane channel cannot be calibrated correctly The infrared methane reading cannot be set to zero by the Demand Zero command Parts List Table 15 lists part numbers for replacement parts and accessories of the Eagle s infrared 100 volume methane sensor Table 15 Parts List Infrared Methane Sensors Part Number Description 81 0015RK 01 Calibration cylinder 34 liter 50 volume CH4 81 1001RK Dispensing valve for 34 liter calibration cylinders 81 1126RK Calibration sample bag tedlar 9 in x 9 in 81 1127RK Calibration sample bag tedlar 12 in x 12 in 66 Appendix E Infrared Methane Sensors Eagle Instruction Manual Appendix F Eagle Tank Tester Model The Eagle Tank Tester model is intended for checking tanks or vessels that may contain residual hydrocarbon vapors or water or may have been purged of oxygen You can also use this model as a standard Eagle gas monitor by connecting the standard hose and probe and
76. updating the oxygen alarms to the default settings Description The tank tester model has an additional socket on the front on the housing to accommodate connection of the float probe assembly This model includes the following non standard components Float probe assembly The float probe assembly helps prevent liquid from being drawn into the Eagle The float probe assembly is 12 feet long A quick disconnect fitting at one end of the assembly connects to the Eagle s inlet fitting The same end of the probe also includes a short wire that terminates in a jack This jack connects to the float probe socket that is adjacent to the Eagle s inlet fitting The float probe switch at the opposite end of the 12 foot cable shuts off the pump if the probe begins to be submerged into a liquid To use the float probe assembly CAUTION Drawing water gasoline or other liquids into the Eagle will cause damage 1 Attach the quick disconnect fitting to the Eagle s standard inlet fitting 2 Attach the jack to the socket that is adjacent to the inlet fitting 3 Lower the probe into the tank or vessel Lower the probe very slowly to allow the float switch to activate if necessary Eagle Instruction Manual Appendix F Eagle Tank Tester Model 67 Dilution fitting 1 1 CAUTION When measuring oxygen readings remove the dilution fitting or use your finger to seal the small dilution hole on the side of the dilution fitting The standard co
77. xic gas sensor The following procedure is provided to allow you to replace the sensor if necessary 1 Take the Eagle to a non hazardous location and turn the power off 2 Unscrew the two large screws on the top of the case then carefully lift the top of the case and lay it aside 3 In the front half of the bottom case locate the sensor you want to replace The sensor with wires connected to EC3 on the analog PCB displays its reading on the third line of the screen The sensor connected to EC4 on the analog PCB displays its reading on the fourth line of the screen 4 Remove the two screws at the base of the bracket 5 Lift the sensor assembly up enough to remove the flow adapter two screws The flow adapter is attached to the sensor CAUTION Avoid pulling on sensor wires Always unplug at the connector 6 Disconnect the connector from the analog PCB Note to which socket EC3 or EC4 the connector is connected Remove the sensor assembly from the instrument case Remove the two screws that secure the sensor assembly to the bracket 9 Remove the two screws that secure the sensor to the amplifier then remove the sensor from the amplifier Retain the amplifier for use with the replacement sensor 10 Install the replacement sensor in reverse order Eagle Instruction Manual Appendix C Non Standard Toxic Gas Sensors 57 NOTE Allow up to 4 hours after you replace a non standard toxic gas sensor or if charged batteries
78. xide Sensors Appendix D describes the Eagle s non standard infrared carbon dioxide CO gt sensors It also offers additional information for calibrating and replacing CO sensors Specifications Table 10 lists specifications for the carbon dioxide sensors The alarm settings are user adjustable see Updating the Alarm Point Settings on page 32 Table 10 Carbon Dioxide Sensor Specifications Range Alarm 1 Alarm 2 TWA Alarm STEL Alarm 0 5000 ppm OFF OFF OFF OFF 0 10 000 ppm 5000 ppm OFF 5000 ppm OFF 0 5 00 CO2 0 50 CO2 3 00 CO2 0 50 CO2 3 00 CO2 0 20 0 OFF OFF OFF OFF 0 50 096 OFF OFF OFF OFF Description The Eagle uses an infrared sensor to detect carbon dioxide The carbon dioxide sensor includes a dedicated amplifier with ZERO and SPAN controls A bracket secures the sensor amplifier assembly to the instrument case A four position connector plugs into the EC3 channel 3 or EC4 channel 4 socket on the analog PCB A carbon dioxide scrubber is mounted to the exterior front of Eagles that are factory shipped with carbon dioxide sensors for the ranges 0 5 000 ppm 0 10 000 ppm and 0 5 NOTE Eagles with a range of 0 20 and 0 50 CO do not include a scrubber since the normal background of CO in air is negligible when compared to the full scale of these units This scrubber is for use when setting the carbon dioxide sensor s zero reading only Replace the scrubber when it turns from white to a
79. xygen alarm If one of the alarm levels is newly exceeded the audible alarm sounds again To eliminate an oxygen alarm that is not being used Either the increasing or decreasing oxygen alarm can be turned off in Setup mode see Updating the Alarm Point Settings on page 32 Turning off the alarm clears the alarm lights and display of an unnecessary alarm 68 Appendix F Eagle Tank Tester Model Eagle Instruction Manual Calibration Use a hexane calibrating source to calibrate the combustible gas LEL range Use a 100 nitrogen calibrating source to set the zero reading for the oxygen channel RKI Instruments Inc recommends using the Single Calibration method to calibrate the Eagle Tank Tester model See Calibration on page 41 Parts List Table 16 lists part numbers for replacement parts and accessories of the Eagle s Tank Tester model Table 16 Parts List Eagle Tank Tester Model Part Number Description 80 0405RK Dilution fitting 1 1 80 0802RK Float probe 12 foot Eagle Instruction Manual Appendix F Eagle Tank Tester Model 69 Appendix G Five Gas and Six Gas Models Overview The standard Eagle gas monitor includes one to four channels and displays gas readings for all channels simultaneously Some Eagle models include five or six channels however the Eagle is only capable of displaying gas readings for four of the channels at any one time Five and six gas Eagle models include up to four sen
80. ycarbonate polyester blend Safety Regulatory2 CSA NTRL and UL classified intrinsically safe Class I Division 1 Groups A B C and D Dimensions 10 5 in x 5 9 in x 7 0 in 26 7 cm x 15 0 cm x 17 8 cm Weight 5 lbs 2 25 kg Power Four D size batteries alkaline or Ni Cd Continuous Operating Alkaline 30 hours minimum Hours Ni Cd 18 hours minimum 3 Operating Temperature 14 F to 104 F 10 C to 40 C Humidity 0 to 95 non condensing Standard Accessories Shoulder strap alkaline batteries hydrophobic probe 5 foot hose Optional Accessories Ni Cd batteries battery charger 115 VAC continuous operation adapter 115 VAC or 12 VDO dilution fitting 1 1 or 3 1 remote alarm data logger 1 Appendices C D and E describe the Eagle s non standard sensors 2 Consult RKI Instruments Inc for regulatory classifications of versions other than the standard 4 gas and non standard toxic gas versions 3 Based on RKI part number 49 1240RK Eagle Instruction Manual Specifications 3 Table 2 lists specifications for the Eagle s standard sensors Your Eagle model may not include all of the sensors listed below The alarm settings are user adjustable see Updating the Alarm Point Settings on page 32 Range Alarm 1 Alarm 2 TWA Alarm STEL Alarm Detection Principle Response Time to 90 5 Accuracy of fullscale hk wD Table 2 Standard Sensor Specifications Combustible Gas LEL 1
81. ys Press the AIR A button if you want to return to the Set Alarm Points menu 8 Press the POWER ENTER button to save the settings and return to the main menu Updating the Eagle s Serial Number Every Eagle is programmed with a unique serial number The Data Logging option includes the serial number in its log data for identification purposes The serial number setting accepts numeric 0 through 9 and alpha A through Z characters NOTE The serial number is factory set and should not need to be changed However if you reset all defaults the serial number is reset to 1 From the main menu select the SERIAL NO menu option SET SERIAL No AAA 2 Press the AIR A and SHIFT W buttons to display the desired character then press the POWER ENTER button to enter the character The next character flashes 3 Repeat step 2 to enter the remaining characters The main menu displays after you enter the last character Updating the Lunch Break Setting With Lunch Break OFF default the Eagle automatically starts new TWA and PEAK reading collection at start up With Lunch Break ON the RESUME screen displays during start up From this screen you can choose to continue accumulating TWA and PEAK readings from the last time the Eagle was used or start collecting new readings 1 From the main menu select the LUNCH BREAK menu option LUNCH BREAK OFF Eagle Instruction Manual Setup Mode 33 2 Press

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