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RKI Instruments, Inc. • 1855 Whipple Rd. • Hayward, CA 94544 • (510) 441-5656 Instruction Manual Eagle Series Portable Multi-Gas Detector Part Number: 71-0028RK Edition: Third Released: July 200.
Warranty Eagle Instruction Manual 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.
Eagle Instruction Manual Table of Contents Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents Eagle Instruction Manual Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 User and Station ID Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Peak Screen.
Eagle Instruction Manual Table of Contents Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Calibration Supplies and Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Preparing for Calibration.
Table of Contents Eagle Instruction Manual Appendix F: Eagle Tank Tester Model . . . . . . . . . . . . . . . . . . . . . .67 Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Alarms. . . . .
Eagle Instruction Manual Introduction • 1 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.
2 • Introduction Eagle Instruction Manual 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.
Eagle Instruction Manual Specifications • 3 Specifications Table 1 lists physical and environmental specifications for the Eagle. Table 2 lists specifications for the Eagle’s standard sensors.
4 • Specifications Eagle Instruction Manual 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.
Eagle Instruction Manual Description • 5 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.
6 • Description Eagle Instruction Manual 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.
Eagle Instruction Manual Description • 7 Sensors This section describes the Eagle’s standard sensors. Non-standard sensors are described in Appendices C, D, and E.
8 • Description Eagle Instruction Manual 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.
Eagle Instruction Manual Operation • 9 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.
10 • Operation Eagle Instruction Manual 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. NOTE: The following screen only displays if the data logging option is installed.
Eagle Instruction Manual Operation • 11 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.
12 • Operation Eagle Instruction Manual Monitoring Combustible Gases Other than Methane If the combustible gas sensor is calibrated to methane (CH 4 ), use Table 4 to determine the concentration of combustible gases other than methane.
Eagle Instruction Manual Operation • 13 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.
14 • Alarms Eagle Instruction Manual 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.
Eagle Instruction Manual Alarms • 15 STEL alarm (toxics only) If a toxic gas channel’s average gas reading for the past 15 minutes exceeds the STEL alarm setting: • STEL displays in the alarm field for that channel. • The channel’s display line flashes.
16 • Alarms Eagle Instruction Manual Low flow alarm If the Eagle’s sample system becomes restricted or blocked (for example plugged probe, fouled filter, pinched tubing): • The message FAIL LOW FLOW LEVEL replaces the normal screen. • The buzzer sounds a steady tone.
Eagle Instruction Manual Alarms • 17 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: • The message FAIL SENSOR displays.
18 • Alarms Eagle Instruction Manual 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).
Eagle Instruction Manual Display Mode • 19 Display Mode The Eagle has four operating modes: normal operating mode, display mode, setup mode, and calibration mode.
20 • Display Mode Eagle Instruction Manual 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/ ▲ and SHIFT/ ▼ buttons to scroll through the available characters.
Eagle Instruction Manual Display Mode • 21 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 .
22 • Display Mode Eagle Instruction Manual 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.
Eagle Instruction Manual Setup Mode • 23 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.
24 • Setup Mode Eagle Instruction Manual • 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.
Eagle Instruction Manual Setup Mode • 25 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.
26 • Setup Mode Eagle Instruction Manual 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 increment.
Eagle Instruction Manual Setup Mode • 27 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/ ▲ and SHIFT/ ▼ buttons to display the desired fullscale setting (see Table 5), then press the POWER/ENTER button to enter the setting.
28 • Setup Mode Eagle Instruction Manual 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.
Eagle Instruction Manual Setup Mode • 29 Updating the display increment setting 1. Press the SHIFT/ ▼ 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.
30 • Setup Mode Eagle Instruction Manual 5. Press the AIR/ ▲ or SHIFT/ ▼ 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 ).
Eagle Instruction Manual Setup Mode • 31 Updating the display increment setting 1. Press the SHIFT/ ▼ 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.
32 • Setup Mode Eagle Instruction Manual 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.
Eagle Instruction Manual Setup Mode • 33 7. To exit the Set Alarm Points menu, press the SHIFT/ ▼ button until the prompt is next to Channel 4, then press the SHIFT/ ▼ button again. The ESCAPE message displays. (Press the AIR/ ▲ button if you want to return to the Set Alarm Points menu.
34 • Setup Mode Eagle Instruction Manual 2. Press the AIR/ ▲ or SHIFT/ ▼ button to display the desired setting. 3. Press the POWER/ENTER button to enter the setting and return to the main menu.
Eagle Instruction Manual Setup Mode • 35 Turning the User ID Function On or 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).
36 • Setup Mode Eagle Instruction Manual 2. Press and hold the SHIFT/ ▼ button, then press the DISP/ADJ button. The Auto Calibration screen for the combustible gas channel displays. 3. Press the AIR/ ▲ or SHIFT/ ▼ button to display the desired setting.
Eagle Instruction Manual Setup Mode • 37 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/ ▲ button to set the fresh air reading for all channels.
38 • Setup Mode Eagle Instruction Manual 1. From the main menu, select the LOG DATA OVER WRITE menu option. 2. Press the AIR/ ▲ or SHIFT/ ▼ button to display the desired setting. 3. Press the POWER/ENTER button to enter the setting and return to the main menu.
Eagle Instruction Manual Setup Mode • 39 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.
40 • Setup Mode Eagle Instruction Manual 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/ ▲ button to reset all parameters to their default settings.
Eagle Instruction Manual Calibration • 41 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).
42 • Calibration Eagle Instruction Manual Calibrating the Eagle Press and hold the SHIFT/ ▼ 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.
Eagle Instruction Manual Calibration • 43 3. To adjust the values on the screen, hold down the SHIFT/ ▼ button, and press the DISP/ADJ button. The Auto Calibration screen for the combustible gas channel displays. 4. Use the AIR/ ▲ (increase) and SHIFT/ ▼ (decrease) buttons to set the correct combustible gas value.
44 • Calibration Eagle Instruction Manual Calibrating with the Single Calibration method This section describes calibration using the Single Calibration method. To calibrate using the Auto Calibration method, see “Calibrating with the Auto Calibration method” on page 42.
Eagle Instruction Manual Calibration • 45 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 channels you want to calibrate.
46 • Maintenance Eagle Instruction Manual 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.
Eagle Instruction Manual Maintenance • 47 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.
48 • Maintenance Eagle Instruction Manual Replacing the oxygen sensor Replace the oxygen sensor when: • The O 2 channel cannot be set to 00.0% on an oxygen-free sample. • The O 2 display cannot be set to 20.9% by the Demand Zero command. • The O 2 reading drifts noticeably.
Eagle Instruction Manual Maintenance • 49 To replace the H 2 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.
50 • Appendix A: Parts List Eagle Instruction Manual Appendix A: Parts List Table 6 lists part numbers for the Eagle’s replacement parts and accessories.
Eagle Instruction Manual Appendix A: Parts List • 51 80-0131RK Probe, 10-inch hydrophobic (standard probe) 80-0132RK Probe, 10-inch hydrophobic (for non-standard toxic gas sensors) 80-0505RK Hose, 5.
52 • Appendix B: Methane Elimination Eagle Instruction Manual 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.
Eagle Instruction Manual Appendix B: Methane Elimination • 53 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.
54 • Appendix C: Non-Standard Toxic Gas Sensors Eagle Instruction Manual 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.
Eagle Instruction Manual Appendix C: Non-Standard Toxic Gas Sensors • 55 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 PCB.
56 • Appendix C: Non-Standard Toxic Gas Sensors Eagle Instruction Manual Adjusting the sensor controls CAUTION: Only perform the following steps if you are unable to set the correct calibration reading with the AIR/ ▲ and SHIFT/ ▼ buttons.
Eagle Instruction Manual Appendix C: Non-Standard Toxic Gas Sensors • 57 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.
58 • Appendix C: Non-Standard Toxic Gas Sensors Eagle Instruction Manual NOTE: Allow up to 4 hours after you replace a non-standard toxic gas 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.
Eagle Instruction Manual Appendix D: Carbon Dioxide Sensors • 59 Appendix D: Carbon Dioxide Sensors Appendix D describes the Eagle’s non-standard, infrared carbon dioxide (CO 2 ) sensors. It also offers additional information for calibrating and replacing CO 2 sensors.
60 • Appendix D: Carbon Dioxide Sensors Eagle Instruction Manual Normal Operation of Carbon Dioxide Sensors Carbon dioxide is a background gas in fresh air.
Eagle Instruction Manual Appendix D: Carbon Dioxide Sensors • 61 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.
62 • Appendix D: Carbon Dioxide Sensors Eagle Instruction Manual CO 2 to a maximum of 3.00% CO 2 , set the display to 2.00% CO 2 . 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.
Eagle Instruction Manual Appendix D: Carbon Dioxide Sensors • 63 Parts List Table 12 lists part numbers for replacement parts and accessories of the Eagle’s carbon dioxide sensors.
64 • Appendix E: Infrared Methane Sensors Eagle Instruction Manual Appendix E: Infrared Methane Sensors Appendix E describes the Eagle’s non-standard, infrared methane sensor. This appendix also offers additional information for calibrating and replacing the infrared methane sensor.
Eagle Instruction Manual Appendix E: Infrared Methane Sensors • 65 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.
66 • Appendix E: Infrared Methane Sensors Eagle Instruction Manual 1. Use the AIR/ ▲ and SHIFT/ ▼ 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.
Eagle Instruction Manual Appendix F: Eagle Tank Tester Model • 67 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.
68 • Appendix F: Eagle Tank Tester Model Eagle Instruction Manual 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.
Eagle Instruction Manual Appendix F: Eagle Tank Tester Model • 69 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.
70 • Appendix G: Five-Gas and Six-Gas Models Eagle Instruction Manual 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.
Eagle Instruction Manual Appendix G: Five-Gas and Six-Gas Models • 71 • 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/ ▲ and SHIFT/ ▼ buttons to display the remaining channels.
72 • Appendix H: Eagle Transformer Gas Tester Model Eagle Instruction Manual Appendix H: Eagle Transformer Gas Tester Model This Eagle Transformer Gas Tester Model is specially set up for electrical transformer gas testing.
Eagle Instruction Manual Appendix H: Eagle Transformer Gas Tester Model • 73 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.
74 • Appendix I: Installing the Data Logger Board Eagle Instruction Manual 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.
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