EAGLE 2
Operator’s Manual
Part Number: 71-0154RK
Revision: S
Released: 7/31/14
www.rkiinstruments.com
WARNING
Read and understand this instruction manual before operating instrument. Improper use of the gas monitor could result in bodily harm or death.
Periodic calibration and maintenance of the gas monitor is essential for proper operation and correct readings. Please calibrate and maintain this instrument regularly! Frequency of calibration depends upon the type of use you have and the sensor types. Typical calibration frequencies for most applications are between 1 and 3 months, but can be required more often or less often based on your usage.
EAGLE 2 Operator’s Manual
Table of Contents
Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 About the EAGLE 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chapter 2: Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Instrument Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Control Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Printed Circuit Boards (PCBs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Alarm LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Infrared Communications Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Battery Case & Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Flow System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Standard Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Shoulder Strap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Hose and Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Rechargeable Ni-MH Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Battery Chargers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
External Dilution Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter 3: Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Turning On the EAGLE 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Performing a Demand Zero . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Turning Off the EAGLE 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Using the Battery Charger for Continuous Operation . . . . . . . . . . . . . . . . . 28
EAGLE 2 Operator’s Manual |
Table of Contents |
Measuring Mode, Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Monitoring an Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Using Optional Sample Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Using Exhaust Tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Combustible Gas Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Monitoring Combustible Gas in the PPM or %Volume Ranges . . . . 33
Measuring Mode, Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Alarm Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Resetting and Silencing Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Responding to Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Tips for Using Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Peak Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Battery Voltage Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Gas Display Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Catalytic (LEL) Sensor Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Methane Elimination Mode Screen . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Relative Response Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 STEL Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 TWA Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 View Alarm Settings Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Select User ID Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Select Station ID Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Time in Operation Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Date/Time Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Data Logging Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Data Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Chapter 4: Calibration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Calibration Supplies and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Entering Calibration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Calibrating Using the Auto Calibration Method . . . . . . . . . . . . . . . . . . . . . 58
Setting the Fresh Air Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Performing a Span Adjustment in Auto Calibration . . . . . . . . . . . . . 59
Calibrating Using the Single Calibration Method . . . . . . . . . . . . . . . . . . . . 64
Setting the Fresh Air Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Performing a Span Adjustment in Single Calibration . . . . . . . . . . . 65
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EAGLE 2 Operator’s Manual |
Chapter 5: Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Replacing or Recharging the Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Replacing the Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Recharging the Ni-MH Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Replacing the Hydrophobic Probe’s Particle Filter and Hydrophobic
Filter Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Replacing the Hydrophobic Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Replacing the Charcoal Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Checking the Combustible Gas Sensor’s Condition . . . . . . . . . . . . . . . . . . 80 Replacing a Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 General Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Appendix A: Calibrating with a Sample Bag . . . . . . . . . . . . . . . . . .86
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Calibration Supplies and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Entering Calibration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Calibrating Using the Auto Calibration Method . . . . . . . . . . . . . . . . . . . . . 88
Setting the Fresh Air Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Performing a Span Adjustment in Auto Calibration . . . . . . . . . . . . . 89
Calibrating Using the Single Calibration Method . . . . . . . . . . . . . . . . . . . . 94
Setting the Fresh Air Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Performing a Span Adjustment in Single Calibration . . . . . . . . . . . 96
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Appendix B: Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Tips for Using Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Using Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Setting the Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 Setting the Date Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 Setting the Battery Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 Configuring the Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 Configuring the Combustible Gas . . . . . . . . . . . . . . . . . . . . . . . . . 108 Setting the Catalytic Detection Units . . . . . . . . . . . . . . . . . . . . . . . 113 Updating the Relative Response Setting . . . . . . . . . . . . . . . . . . . . . 114
EAGLE 2 Operator’s Manual |
Table of Contents |
Updating the Alarm Point Settings . . . . . . . . . . . . . . . . . . . . . . . . . |
115 |
Updating the Alarm Latching Setting . . . . . . . . . . . . . . . . . . . . . . . |
116 |
Updating the Alarm Silence Setting . . . . . . . . . . . . . . . . . . . . . . . . |
117 |
Turning the User/Station ID Function On or Off . . . . . . . . . . . . . . |
118 |
Updating the Autocal Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
118 |
Updating the Backlight Delay Setting . . . . . . . . . . . . . . . . . . . . . . |
119 |
Updating the Auto Fresh Air Setting . . . . . . . . . . . . . . . . . . . . . . . |
120 |
Updating the Data Log Interval Setting . . . . . . . . . . . . . . . . . . . . . |
120 |
Updating the Data Log Overwrite Setting . . . . . . . . . . . . . . . . . . . |
121 |
Updating the Data Log Memory Setting . . . . . . . . . . . . . . . . . . . . . |
121 |
Updating the LCD Contrast Setting . . . . . . . . . . . . . . . . . . . . . . . . |
122 |
Updating the Calibration Reminder Setting . . . . . . . . . . . . . . . . . . |
122 |
Updating the Calibration Past Due Action Setting . . . . . . . . . . . . |
123 |
Updating the Calibration Interval . . . . . . . . . . . . . . . . . . . . . . . . . |
124 |
Updating LC/BH Mode Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
124 |
Setting the Bar Hole Measurement Time . . . . . . . . . . . . . . . . . . . . |
125 |
Zero Follower Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
126 |
Zero Suppression Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
126 |
Updating the Confirmation Alert Setting . . . . . . . . . . . . . . . . . . . . |
126 |
Turning the Password Function On or Off . . . . . . . . . . . . . . . . . . . |
127 |
Restoring the Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
128 |
Updating the Lunch Break Setting . . . . . . . . . . . . . . . . . . . . . . . . . |
129 |
Updating the Span Factor Setting . . . . . . . . . . . . . . . . . . . . . . . . . . |
129 |
Updating the Language Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . |
130 |
Exiting Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
131 |
Appendix C: Sub PCBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Channel Setup and Sub PCBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Sub PCBs and CONFIGURE CHANNELS . . . . . . . . . . . . . . . . . . . 133
Sub PCBs and CONFIGURE GASES . . . . . . . . . . . . . . . . . . . . . . . 134
Appendix D: PID Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
PID Sensor and Sensor Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
PID Sub PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
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EAGLE 2 Operator’s Manual |
PID Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Start Up and Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
PID Relative Response Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
PID Sensor Relative Response Screen in Display Mode . . . . . . . . . 140
PID Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Calibrating with a 4-Gas Cylinder and a PID Cylinder . . . . . . . . . 143
Calibrating with a 5-Gas Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . 152
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Cleaning the PID Sensor’s Lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Replacing PID Sensor’s Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Replacing Electrode Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Replacing the PID Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Configuring the PID Gas in Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Appendix E: ESM-01 Toxic Sensors . . . . . . . . . . . . . . . . . . . . . . . . .179
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
ESM-01 Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
ESM-01 Sub PCB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Start Up and Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
ESM-01 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Calibrating with a 4-Gas Cylinder and an ESM-01 Cylinder. . . . . 182
Calibrating with a 5-Gas Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . 191
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Replacing the ESM-01 Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Replacing the H2S Scrubber in the SO2 and HCN Sensors . . . . . . . 200
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Appendix F: TC Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
TC Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
TC Sub PCB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Start Up and Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Catalytic (LEL) Sensor Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
EAGLE 2 Operator’s Manual |
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TC Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Replacing the TC Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Configuring the TC Gas in Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Appendix G: Infrared Carbon Dioxide Sensors . . . . . . . . . . . . . . .223
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Infrared Carbon Dioxide Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Infrared Sub PCB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
CO2 Scrubber. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Start Up and Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Performing a Demand Zero for Carbon Dioxide Sensors . . . . . . . . 226
Infrared Carbon Dioxide Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Replacing the IR CO2 Sensor or Changing Sensor Type. . . . . . . . . 236
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Appendix H: Infrared Methane Sensors. . . . . . . . . . . . . . . . . . . . . .238
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Target Gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Infrared Methane Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Infrared Sub PCB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Start Up and Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Detection Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Catalytic (LEL) Sensor Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Infrared Methane Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Replacing the IR Methane Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Appendix I: Infrared Hydrocarbon Sensor . . . . . . . . . . . . . . . . . . .252
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Target Gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Table of Contents |
EAGLE 2 Operator’s Manual |
Infrared Hydrocarbon Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Infrared Sub PCB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Start Up and Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
0-100 %LEL/2.0-30.0 %vol Autoranging . . . . . . . . . . . . . . . . . . . . 254
Catalytic (LEL) Sensor Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Infrared Hydrocarbon Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Replacing the IR Hydrocarbon Sensor . . . . . . . . . . . . . . . . . . . . . . 264
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Appendix J: Methane Elimination Mode . . . . . . . . . . . . . . . . . . . . .266
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Monitoring in Methane Elimination Mode . . . . . . . . . . . . . . . . . . . . . . . . 266
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Appendix K: Using the EAGLE 2 in Bar Hole Mode . . . . . . . . . . .270
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Start Up, Bar Hole Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Turning on EAGLE 2, Bar Hole Mode . . . . . . . . . . . . . . . . . . . . . . 270 Performing a Demand Zero, Bar Hole Mode . . . . . . . . . . . . . . . . . 275
Bar Hole Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Performing a Bar Hole Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276 Turning off the EAGLE 2, Bar Hole Mode . . . . . . . . . . . . . . . . . . . 278
Appendix L: Using the EAGLE 2 in Leak Check Mode . . . . . . . . .279
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279 Start Up, Leak Check Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Turning On the EAGLE 2, Leak Check Mode . . . . . . . . . . . . . . . . . 279 Performing a Demand Zero, Leak Check Mode . . . . . . . . . . . . . . . 284
Leak Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Locating a Leak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285 Turning the Buzzer On and Off In Leak Check Mode . . . . . . . . . . . 285 Turning Off the EAGLE 2, Leak Check Mode . . . . . . . . . . . . . . . . . 286
Appendix M: EAGLE 2 Tank Tester Model. . . . . . . . . . . . . . . . . . .287
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Float Probe Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Dilution Fitting (1:1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
EAGLE 2 Operator’s Manual |
Table of Contents |
Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Appendix N: Using the EAGLE 2 in Inert Mode. . . . . . . . . . . . . . 293
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
WARNING: Understand manual before operating. Substitution of components may impair intrinsic safety. To prevent ignition of a hazardous atmosphere, batteries must only be changed or charged in an area known to be nonhazardous. Not tested in oxygen enriched atmospheres (above 21%).
NOTE: RKI Instruments, Inc. recommends that you refer to ISA-RP12.13, Part II-1987 or an equivalent international recommended practice for guidance in the use of combustible gas detection instruments.
Table of Contents |
EAGLE 2 Operator’s Manual |
Chapter 1: Introduction
Overview
This chapter briefly describes the EAGLE 2 gas monitor. This chapter also describes the EAGLE 2 Operator’s Manual (this document). Table 1 at the end of this chapter lists the specifications for the EAGLE 2.
About the EAGLE 2
Using an advanced detection system consisting of up to six gas sensors, the EAGLE 2 sample draw gas monitor is capable of detecting the presence of combustible gas, oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), and various other toxic gases simultaneously. The EAGLE 2’s rugged, reliable, and easy-to-use design makes it ideally suited for a wide range of applications, including sewage treatment plants, utility manholes, tunnels, hazardous waste sites, power stations, petrochemical refineries, mines, paper mills, drilling rigs, and fire fighting stations. The EAGLE 2 offers a full range of features including:
•Simultaneous monitoring of one to six gases. The standard configuration includes four sensors for combustible gas (%LEL, ppm, and %volume), oxygen, carbon monoxide (CO), and hydrogen sulfide (H2S).
•Choice of three operating modes:
•Normal Mode for typical confined space or area monitoring. Normal Mode is the standard factory setting.
•Bar Hole Mode for checking of bar holes when searching for underground gas leaks
•Leak Check Mode for locating leaks in valves and piping
•Sample-drawing pump with up to 125 foot range
•Liquid crystal display (LCD) for complete and understandable information at a glance
•Ultrabright alarm LEDs
•Distinctive audible alarm for dangerous gas conditions or unit malfunction
•Microprocessor control for reliability, ease of use, and advanced capabilities
EAGLE 2 Operator’s Manual |
Overview • 1 |
•Data logging functions (when used in Normal Mode)
•Alarm trend data (when used in Normal Mode)
•STEL and TWA (when used in Normal Mode) and over range alarms
•Peak readings (when used in Normal Mode)
•Built-in time function
•Lunch break feature
•RF shielded high impact plastic case
•CSA classified for Class I, Division I, Groups A, B, C, and D hazardous atmospheres
WARNING: The Model EAGLE 2 detects oxygen deficiency, elevated levels of oxygen, combustible gases, carbon monoxide, and hydrogen sulfide, all of which can be dangerous or life threatening. When using the EAGLE 2, you must follow the instructions and warnings in this manual to assure proper and safe operation of the unit and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the EAGLE 2 as described in this manual.
NOTE: ONLY THE COMBUSTIBLE GAS DETECTION PORTION OF THIS INSTRUMENT HAS BEEN ASSESSED FOR PERFORMANCE.
2 • About the EAGLE 2 |
EAGLE 2 Operator’s Manual |
Specifications
Table 1: Standard Sensor Specifications
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Combustible Gas, |
Oxygen (O2) |
Hydrogen |
Carbon |
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Methane (CH4) |
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Sulfide (H2S) |
Monoxide (CO) |
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Calibration Standard |
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Detection |
0 - 100 %LEL |
0 - 40 volume% |
0 - 100.0 ppm |
0 - 500 ppm |
Range |
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Reading |
1 %LEL |
0.1 volume % |
0.5 ppm |
1 ppm |
Increment |
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Alarm 1 |
10 %LEL* |
19.5 volume %* |
5.0 ppm* |
25 ppm* |
Factory Setting |
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Alarm 2 |
50 %LEL |
23.5 volume % |
30.0 ppm |
50 ppm |
Factory Setting |
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STEL Alarm |
n/a |
n/a |
5.0 ppm |
200 ppm |
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TWA Alarm |
n/a |
n/a |
1.0 ppm |
25 ppm |
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* When calibrating the EAGLE 2 with the Auto Calibration or the Single Calibration method, the calibration gas value must be equal to or higher than the alarm 1 setting. See “Updating the Alarm Point Settings” on page 115 for instructions to change the alarm points if necessary for the desired calibration gas value.
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Table 2: EAGLE 2 Specifications |
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Sampling |
Sample Draw |
Method |
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Response |
T90 Within 30 Seconds |
Time |
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Display |
Graphics LCD Display |
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Operating |
-20°C to 50°C/Below 85% RH (Without Condensation) |
Temperature |
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& Humidity |
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Indication |
Combustible Gas (LEL), Catalytic Type Sensor |
Accuracy |
• -10°C to 40°C: 5% of full scale |
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• -20°C to 50°C: 6% of full scale |
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Combustible Gas (ppm), Catalytic Type Sensor |
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• ± 25 ppm or ± 5% of reading (whichever is greater) |
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Oxygen |
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• ± 0.5% O2 |
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Hydrogen Sulfide |
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• ± 5% of reading or ± 2 ppm H2S (whichever is greater) |
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Carbon Monoxide |
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• ± 5% of reading or ± 5 ppm CO (whichever is greater) |
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EAGLE 2 Operator’s Manual |
Specifications • 3 |
Safety/ |
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Regulatory |
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186718 |
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CSA classified as Intrinsically Safe. Exia. Class I, Groups A, B, C, & D. |
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Temperature Code T3C. |
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Power |
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Four C size alkaline batteries, standard |
Supply |
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Four C size Ni-MH batteries, optional |
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Continuous |
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Alkaline Batteries: 16 Hours (Non Alarm Operation, Fully Charged) |
Operating |
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Ni-MH Batteries: 18 Hours (Non Alarm Operation, Fully Charged) |
Hours |
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@ 25 °C |
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Case |
High-impact Plastic, RF Shielded, Dust and Weather Proof |
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Standard |
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5 foot hose |
Accessories |
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Hydrophobic probe |
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Shoulder Strap |
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Optional |
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Rechargeable NiMH Batteries |
Accessories |
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115 VAC Charger |
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12 VDC Charger |
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• Hoses of Various Lengths, See “General Parts List” on page 84. |
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• Dilution Fitting (1:1 and 3:1) |
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• Various Probes, See “General Parts List” on page 84 |
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• Data Logger Management Program (Windows® 2000, XP, and Vista) |
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• Maintenance Data Loader Program (Windows® 2000, XP, and Vista) |
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• IrDA/USB Cable for connecting to a computer when using the Data Logger |
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Management Program and Maintenance Data Loader Program (not |
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needed if computer has an infrared port) |
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Dimensions |
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Approximately 171(H) x 65(W) x 39(D) mm (5.6”H x 2.5”W x 1.5”D) |
and Weight |
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Approximately 310 g (11 oz.) |
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About this Manual
The EAGLE 2 Operator’s Manual uses the following conventions for notes, cautions, and warnings.
NOTE: Describes additional or critical information.
CAUTION: Describes potential damage to equipment.
WARNING: Describes potential danger that can result in injury or death.
The EAGLE 2 Operator’s Manual is organized as follows:
•Chapter 1 is an introduction to the EAGLE 2.
•Chapter 2 describes the components of the EAGLE 2.
4 • About this Manual |
EAGLE 2 Operator’s Manual |
•Chapter 3 describes the operation of the EAGLE 2.
•Chapter 4 describes Calibration Mode which allows you to calibrate the EAGLE 2’s active channels.
•Chapter 5 describes the EAGLE 2’s maintenance requirements and procedures.
•Appendix A describes calibration of the EAGLE 2 using a sample bag.
•Appendix B describes Setup Mode which allows you to configure different parameters of the EAGLE 2.
•Appendix C describes the sub PCBs that are installed for optional sensors and how they affect gas and channel configuration.
•Appendix D describes the PID sensors and the operation of the EAGLE 2 with a PID sensor installed.
•Appendix E describes the ESM-01 sensors and the operation of the EAGLE 2 with an ESM-01 sensor installed.
•Appendix F describes the TC sensors and the operation of the EAGLE 2 with a TC sensor installed.
•Appendix G describes the infrared CO2 sensors and the operation of the EAGLE 2 with an infrared CO2 sensor installed.
•Appendix H describes the infrared methane sensors and the operation of the EAGLE 2 with an infrared methane sensor installed.
•Appendix I describes the infrared hydrocarbon sensor and the operation of the EAGLE 2 with an infrared hydrocarbon sensor installed.
•Appendix J describes the operation of the EAGLE 2 in Methane Elimination Mode.
•Appendix K describes the operation of the EAGLE 2 in Bar Hole Mode.
•Appendix L describes the operation of the EAGLE 2 in Leak Check Mode.
•Appendix M describes the Tank Tester Model of the EAGLE 2.
•Appendix N describes the operation of the EAGLE 2 in Inert Mode
EAGLE 2 Operator’s Manual |
About this Manual • 5 |
Chapter 2: Description
Overview
This chapter describes the EAGLE 2 instrument and accessories.
Instrument Description
The EAGLE 2 includes the case, sensors, LCD, control buttons, printed circuit boards, alarm LEDs, infrared communication port, buzzer, battery case and batteries, and flow system.
Alarm LEDs
Inlet Fitting
LCD Display
Control Buttons
PO WER |
DISP LAY |
ENTER |
ADJUST |
RES ET |
NO |
AIR RANGE
YE S SHIFT
Figure 1: Component Location, Top View
6 • Overview |
EAGLE 2 Operator’s Manual |
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Case Screw, 3X (Hidden From view)
Case Foot, 6X |
Bottom Case |
Figure 2: Component Location, Side View
Buzzer
Inlet Fitting
Exhaust Fitting
Charging Jack
Battery Case
Thumbscrew
Infrared Port
Figure 3: Component Location, Front & Back
EAGLE 2 Operator’s Manual |
Instrument Description • 7 |
Case
The EAGLE 2’s sturdy, high-impact plastic case is radio frequency (RF) resistant and is suitable for use in many environmental conditions, indoors and out. The case is dust proof and water resistant. It’s two main components, the top case and bottom case, are held together with three screws located on the bottom case. The interface between the top case and bottom case is gasketed. A sturdy, well balanced handle on the top case allows you to hold the instrument comfortably. A clear plastic window is located on the top case to the front of the handle for viewing the LCD.
A removable battery case is located at the rear of the bottom case. A thumbscrew secures the battery case to the bottom case. The interface between the battery case and the bottom case is gasketed. Six raised feet on the bottom of the case, four on the bottom case and two on the battery compartment, raise the EAGLE 2 slightly from the surface on which it rests.
Sensors
The EAGLE 2 uses up to six sensors to monitor combustible gas, oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), and various other toxic gases simultaneously. The sensors are located inside the EAGLE 2 bottom case and are installed in the flow chamber. The sensors described below are the four standard sensors. See “Appendix D: PID Sensors” for a description of the PID sensors, “Appendix E: ESM-01 Toxic Sensors” for a description of the ESM-01 toxic sensors, “Appendix F: TC Sensors” for a description of the TC sensors, “Appendix G: Infrared Carbon Dioxide Sensors” for a description of the IR CO2 sensors, “Appendix H: Infrared Methane Sensor” for a description of the IR methane sensors, and “Appendix I: Infrared Hydrocarbon Sensor” for a description of the IR hydrocarbon sensor. The standard sensors use different detection principles as described below.
Catalytic Combustible Gas Sensor (LEL Sensor)
The catalytic combustible gas (LEL) sensor detects combustible gas in the %LEL range. It uses a catalytic element for detection. The reaction of gas with oxygen on the catalyst causes a change in the resistance of the element which changes the current flowing through it. The current is amplified by the EAGLE 2’s circuitry, converted to a measurement of combustible gas concentration, and displayed on the LCD.
The LEL sensor housing includes a sintered metal flame arrestor on one end that allows gas to diffuse into the sensor. On the other end, five pins extend from the sensor. The sensor cable connects to these pins on one end and terminates in a four-position connector on the other end which plugs into the HC socket on the main PCB (see “Main PCB” on page 12).
8 • Instrument Description |
EAGLE 2 Operator’s Manual |
Oxygen Sensor
The O2 sensor is a galvanic type of sensor. A membrane behind the openings on the sensor face allows gas to diffuse into the sensor at a rate proportional to the partial pressure of oxygen. The oxygen reacts in the sensor and produces a voltage proportional to the concentration of oxygen. The voltage is measured by the EAGLE 2’s circuitry, converted to a measurement of gas concentration, and displayed on the LCD.
The sensor includes a short cable that terminates in a round 7-position connector. It mates with the OXY pins on the main PCB (see “Main PCB” on page 12).
CO and H2S Sensors
The CO and H2S sensors are electrochemical sensors that consist of three precious metal electrodes in a dilute acid electrolyte. A gas permeable membrane covers the sensor face and allows gas to diffuse into the electrolyte. The gas reacts in the sensor and produces a current proportional to the concentration of the target gas. The current is amplified by the EAGLE 2’s circuitry, converted to a measurement of gas concentration, and displayed on the LCD.
The CO and H2S sensors are physically very similar. Except for their markings and wire colors, they look almost identical. A three-position connector at the end of a 2-wire cable from each sensor plugs into a socket on the main PCB. The sockets on the main PCB for the CO and H2S sensors are labeled CO and H2S. Normally, the CO connector plugs into the CO socket and the H2S plugs into the H2S socket. However, because of the way that the main PCB circuitry is arranged, if the CO sensor is plugged into the H2S socket and the H2S sensor is plugged into the CO socket, the sensors will still operate properly and the CO and H2S readings will still appear on the channels that are programmed for those gases.
LCD
A digital LCD (liquid crystal display) is visible through a clear plastic window in the top case. The LCD simultaneously shows the gas reading for all installed sensors. The LCD also shows information for each of the EAGLE 2’s operating modes.
EAGLE 2 Operator’s Manual |
Instrument Description • 9 |
Control Buttons
Four control buttons are located below the LCD. They are, from left to right, POWER ENTER RESET, DISPLAY ADJUST NO, AIR ▲ YES, and RANGE ▼ SHIFT.
Table 3: EAGLE 2 Control Button Functions
Button |
Function(s) |
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POWER ENTER |
• |
turns the EAGLE 2 on and off |
RESET |
• |
silences and resets audible alarm if Alarm Latching is set to |
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Latching and Alarm Silence is set to ON |
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• |
enters instructions, values, and settings into the EAGLE 2’s |
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microprocessor |
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DISPLAY ADJUST |
• |
activates Display Mode |
NO |
• |
silences and resets audible alarm if Alarm Latching is set to |
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Latching and Alarm Silence is set to ON |
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• |
enters instructions into the EAGLE 2’s microprocessor |
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AIR ▲ YES |
• |
activates the demand zero function (adjusts the EAGLE 2’s |
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fresh air reading) |
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• |
silences and resets audible alarm if Alarm Latching is set to |
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Latching and Alarm Silence is set to ON |
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• |
enters instructions into the EAGLE 2’s microprocessor |
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• |
moves the cursor on the LCD up the screen |
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• |
increases the value of a parameter available for adjustment |
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• |
scrolls through parameter options |
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RANGE ▼ SHIFT |
• |
changes the detection units of the combustible gas channel |
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(when Catalytic Units is set to CHANGE OK in Setup Mode) |
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• |
silences and resets audible alarm if Alarm Latching is set to |
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Latching and Alarm Silence is set to ON |
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• |
enters instructions into the EAGLE 2’s microprocessor |
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• |
moves the cursor on the LCD down the screen |
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• |
decreases the value of a parameter available for adjustment |
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• |
scrolls through parameter options |
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10 • Instrument Description |
EAGLE 2 Operator’s Manual |
Printed Circuit Boards (PCBs)
Display PCB
Main PCB 
I.S. Barrier PCB (not visble) |
Figure 4: EAGLE 2 PCBs
The EAGLE 2’s PCBs analyze, record, control, store, and display the information collected. The main PCB and I.S. barrier PCB are located in the bottom case. The display PCB is located in the top case. The display PCB and I.S. barrier PCB are not user serviceable and are not involved in any user performed maintenance. The main PCB is not user serviceable, but it is involved in the replacement of sensors, so it is described below.
EAGLE 2 Operator’s Manual |
Instrument Description • 11 |
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Display connector |
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H2S Connector (H2S) |
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CO Connector (CO) |
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LEL Connector (HC) |
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I.S. Barrier Connector
Oxygen Connector Pins (OXY)
DP Switch Connector
Pump Connector
Float Probe Connector |
IR Communication Sensor/Transmitter |
Figure 5: Main PCB
The main PCB is located on the right side of the bottom case. It slides into guiding grooves at the bottom, front, and rear of the bottom case. It is held in place by the top case. Connectors for the sensors, differential pressure switch, pump, display PCB, optional float probe, and I.S. barrier PCB are located on the main PCB. In addition, an IR transmitter/receiver is located at the front of the PCB behind the IR port on the front of the bottom case.
Alarm LEDs
Two sets of red alarm LEDs (light emitting diodes) are visible through two raised, frosted plastic lenses in the top case. Each set has two LEDs. They are above the LCD, one above the left corner and one above the right corner. The alarm LEDs alert you to gas, low battery, and failure alarms.
Infrared Communications Port
An infrared (IR) communications port is located on the left front of the bottom case when the instrument is viewed from the front. The data transmitted through the port is in standard IrDA protocol. A computer’s
12 • Instrument Description |
EAGLE 2 Operator’s Manual |
infrared port or an IrDA/USB cable connected to a USB port can be used to download data saved by the EAGLE 2 to a computer using the Eagle 2 Data Logger Management Program. See the Data Logger Management Program operator’s manual for data logging and downloading instructions.
Buzzer
A solid-state electronic buzzer is located on the front of the top case. It is a panel mounting type of buzzer and is water resistant and sealed to the inside of the top case with an O-ring. The buzzer sounds for gas alarms, malfunctions, low battery voltage, and as an indicator during use of the EAGLE 2’s many display and adjustment options.
Battery Case & Batteries
Four C-size alkaline batteries (standard) or optional rechargeable
C-size Ni-MH batteries power the EAGLE 2. They are installed in the battery case which is located at the rear of the bottom case. The battery case is secured to the bottom case with a thumbscrew.
Instrument run time is dependent upon battery type. At 25°C, alkaline batteries power the EAGLE 2 for 16 hours of non-alarm operation. Ni-MH batteries will power the EAGLE 2 for 18 hours of non-alarm operation. The current battery voltage is viewable in Display Mode (see “Display Mode” on page 40).
When the EAGLE 2 detects low battery voltage, a low battery warning is activated. When battery voltage is too low for operation, the EAGLE 2 sounds a dead battery alarm.
The alkaline or Ni-MH batteries can be accessed for replacement by unscrewing the thumbscrew that secures the battery case to the bottom case and pulling the battery case away from the bottom case. The Ni-MH batteries can be recharged by using the EAGLE 2 charger (see “Replacing or Recharging the Batteries” on page 72).
NOTE: Use of batteries or battery chargers not specified by RKI Instruments, Inc. will void the CSA classification and may void the warranty.
WARNING: To prevent ignition of a hazardous atmosphere, batteries must only be changed or charged in an area known to be nonhazardous.
EAGLE 2 Operator’s Manual |
Instrument Description • 13 |
Flow System
The EAGLE 2 flow system consists of the inlet fitting, hydrophobic filter, pump, internal tubing, differential pressure (DP) switch, sensor chamber, charcoal filter, and exhaust fitting.
Inlet Fitting
The inlet fitting is on the right front (when viewed from the front) of the bottom case. It is a nickel plated brass quick connect fitting. It mates with either the sample hose or with the hydrophobic probe.
Hydrophobic Filter
The hydrophobic filter is located in the bottom case above the sensors. Normally the hydrophobic probe accessory (see “Hose and Probe” on
page 15) will prevent water and particulate contamination from entering the flow system, but if the probe is not used, the hydrophobic filter will stop water and particulates from penetrating further into the flow system. If it becomes dirty or water logged, replace it (see “Replacing the Hydrophobic Filter” on page 77).
Pump
A diaphragm pump inside the rear of the bottom case draws the sample to the sensors. It can draw sample from as far as 125 feet from the EAGLE 2.
CAUTION: Sample hose lengths of more than 125 feet are not recommended for the EAGLE 2 because of flow rate reduction and increased response time. Consult RKI Instruments, Inc. for sample hose lengths longer than 125 feet.
Internal Tubing
The flow system includes polyurethane tubing to route the sample between the various components of the flow system. The internal sample tubing is not user serviceable.
Differential Pressure (DP) Switch
The DP switch is inside the front of the bottom case. It senses the EAGLE 2’s flowrate by monitoring the pressure drop between points in the flow system. When the flowrate becomes too low for safe operation of the EAGLE 2, a set of contacts inside it open and the EAGLE 2 indicates a low flow alarm.
Sensor Chamber
A PVC block in the bottom case is configured to accept the four gas sensors. It routes the sample to each sensor. The LEL sensor and the oxygen sensor are retained in the sensor chamber by brackets. The CO and H2S sensors are each pushed past two sealing O-rings into the chamber and are retained by
14 • Instrument Description |
EAGLE 2 Operator’s Manual |
the O-ring compression force.
Charcoal Filter
The charcoal filter is located in the front of the flow chamber next to the CO sensor. It contains activated charcoal. The CO sensor will respond if exposed to H2S and certain hydrocarbon gases. The charcoal filter scrubs these gases out of the sample to avoid false CO readings. If false or elevated CO readings are noticed, especially in the presence of H2S, change the charcoal filter. The charcoal inside the filter cannot be replaced; the entire filter must be replaced.
Exhaust Fitting
The exhaust fitting is located below the inlet fitting. It routes the gas sample out of the EAGLE 2. It includes a female 10-32 thread that can be used for the installation of a hose barb or other type of fitting that has a male 10-32 thread so that the exhaust can be routed to a particular location with flexible tubing if desired.
Standard Accessories
Standard accessories include the shoulder strap, the sample hose, and the hydrophobic probe.
Shoulder Strap
A comfortable elastic shoulder strap clips to the EAGLE 2 at the front and rear of the top case. It clips to stainless steel rings that are installed in features on the top case. It can be removed from the EAGLE 2 by opening the clip at each end of the strap and removing it from the strap ring at the front and rear of the top case.
Hose and Probe
A 5 foot polyurethane sample hose and a 10 inch hydrophobic probe are included as standard. The hose has a male quick connect fitting on one end and a female quick connect fitting on the other end. The probe has a male quick connect fitting. Normally, the male end of sample hose is installed in the EAGLE 2 inlet fitting and the probe is installed in the female end of the hose. However, if the sample hose is not needed for monitoring a particular area, the probe may be installed directly to the inlet fitting. Sample hose lengths are available from 5 feet (standard length) to 125 feet (see “General Parts List” on page 84). A teflon lined hose is provided with all units that contain a PID sensor. This hose must be used when operating a PID EAGLE 2 (see “Appendix D: PID Sensors” on page 136).
EAGLE 2 Operator’s Manual |
Standard Accessories • 15 |
CAUTION: Sample hose lengths of more than 125 feet are not recommended for the EAGLE 2 because of flow rate reduction and increased response time. Consult RKI Instruments, Inc. for hose lengths longer than 125 feet.
The probe includes a replaceable particle filter and hydrophobic filter disk that prevent particulates and water from entering the EAGLE 2’s flow system. See “Replacing the Hydrophobic Probe’s Particle Filter and Hydrophobic Filter Disk” on page 75 for instructions to replace the particle filter and hydrophobic filter disk.
NOTE: When using the probe with a PID EAGLE 2, be sure that the particle filter is not installed.
Sample Hose
Probe
Figure 6: Sample Hose and Hydrophobic Probe
Optional Accessories
Several optional accessories are available for the EAGLE 2. They include rechargeable Ni-MH batteries, battery chargers, various special probes, and dilution fittings. The most commonly used optional accessories are described below. Detailed instructions regarding the use of these and other available accessories are included in other parts of this manual. Data logging accessories are briefly described in “Data Logging” on page 53.
16 • Optional Accessories |
EAGLE 2 Operator’s Manual |
Rechargeable Ni-MH Batteries
Rechargeable Ni-MH batteries are available for the EAGLE 2. A fully charged set of Ni-MH batteries will power the EAGLE 2 for 18 hours. The batteries will last for a minimum of 500 charge cycles. See “General Parts List” on page 84 for ordering information.
Battery Chargers
Three battery chargers are available for the EAGLE 2 to charge the optional Ni-MH batteries, the standard AC charger, a DC charger with a vehicle plug adapter, and an AC/DC charger with a vehicle plug adapter.
AC Charger
The standard AC charger consists of the charging module, which includes all of the charging circuitry, and an AC adapter. The charging module includes a five foot cable with a connector on the end that mates with the EAGLE 2 charging socket. The AC adapter plugs into a 115 VAC wall outlet and connects to the charging module with a jack on the end of a five foot DC output cable. The AC adapter will also work for 100 VAC or 220 VAC if an appropriate plug adapter is provided. The AC charging station is shown below in Figure 7.
AC Adapter
Charging Module
Figure 7: EAGLE 2 AC Charger
EAGLE 2 Operator’s Manual |
Optional Accessories • 17 |
DC Charger
An optional DC powered charger is available with a vehicle plug 12 VDC adapter. It uses the same charging module as the standard AC charger.
Vehicle Plug
DC Adapter
Charging Module
Figure 8: EAGLE 2 DC Charger
AC/DC Charger
A charger is also available that includes both the AC adapter and the 12 VDC vehicle plug adapter. The charging module is the same as the one used for the AC charger and the DC charger.
Optional Probes
Various optional probes designed for specific applications are available for the EAGLE 2. They include the following:
• 30 inch aluminum probe
Figure 9: 30 Inch Aluminum Probe
This probe is designed for applications where it is necessary to put the probe tip in areas that are out of reach with the standard probe. A small breather hole near the end of the probe tube prevents interruption of sampling and a low flow alarm if the probe tip is blocked.
18 • Optional Accessories |
EAGLE 2 Operator’s Manual |
• 30 inch stainless steel probe
Figure 10: 30 Inch Stainless Steel Probe
This probe is physically the same as the 30 inch aluminum probe and is intended for applications where a high level of corrosion resistance is required in the long probe tube.
• 4 foot stainless steel probe
Figure 11: 4 Foot Stainless Steel Probe
This probe is designed for areas where it is necessary to put the probe tip in areas that are out of reach for even the 30 inch probes. A stainless steel probe tube is used because the length of the probe tube requires a high degree of rigidity. Stainless steel is more rigid than other normally used materials. A small breather hole near the end of the probe tube prevents interruption of sampling and a low flow alarm if the probe tip is blocked.
• Barhole probe
Figure 12: Barhole Probe
This probe is designed specifically for barhole testing. See “Appendix K: Using the EAGLE 2 in Bar Hole Mode” for an in-depth discussion of using the EAGLE 2 in Bar Hole Mode.
EAGLE 2 Operator’s Manual |
Optional Accessories • 19 |
• 10 inch probe with dust filter
Figure 13: 10 Inch Probe With Dust Filter
This probe is designed for use where drawing water or moisture into the EAGLE 2 is not a concern. Instead of a hydrophobic filter, a cotton dust filter is used.
• 32 inch telescoping probe with dust filter
This probe is designed for use where it is necessary to put the probe tip in areas not accessible with the 10 inch probe with dust filter and applications where the probe tube must be collapsible for storage.
• 7 foot telescoping probe with dust filter
This probe is designed for use where it is necessary to put the probe tip in areas not accessible with the 32 inch telescoping probe with dust filter and applications where the probe tube must be collapsible for storage.
See “General Parts List” on page 84 for probe ordering information.
20 • Optional Accessories |
EAGLE 2 Operator’s Manual |
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