RKI Instruments GX-2003 Operator's Manual

www.rkiinstruments.comModel GX-2003Operator’s Manual Part Number: 71-0089RKRevision: FReleased: 2/2/11

3 • Specifications GX-2003 Operator’s ManualSpecificationsTable 1: GX-2003 SpecificationsTarget Gas %LEL Combustible Gas(Methane Calibration Standard)

GX-2003 Operator’s Manual About this Manual • 4About this ManualThe GX-2003 Operator’s Manual uses the following conventions for notes, cautions, and

5 • Overview GX-2003 Operator’s ManualChapter 2: DescriptionOverviewThis chapter describes the GX-2003 instrument and accessories.Instrument Descripti

GX-2003 Operator’s Manual Instrument Description • 6Figure 2: Components of the GX-2003, Side & BottomCaseThe Model GX-2003’s sturdy, high-impact

7 • Instrument Description GX-2003 Operator’s ManualSensorsThe GX-2003 uses up to five sensors to monitor combustible gas, oxygen (O2), carbon monoxid

GX-2003 Operator’s Manual Instrument Description • 8CO and H2S SensorsThe CO and H2S sensors are electrochemical cells that consist of two precious me

9 • Instrument Description GX-2003 Operator’s ManualAlarm LED ArraysFour red alarm LED (light emitting diode) arrays are visible through frosted plast

GX-2003 Operator’s Manual Instrument Description • 10its optional battery charging station or by placing the battery pack in the charging station.NOTE

11 • Instrument Description GX-2003 Operator’s ManualCO FilterThe CO filter is located in the flow chamber directly over the CO sensor. It is a red an

GX-2003 Operator’s Manual Standard Accessories • 12Standard AccessoriesThe standard accessories include the tapered rubber nozzle, protective rubber b

GX-2003 Operator’s ManualWARNINGRead and understand this instruction manual before operating instrument. Improper use of the gas monitor could result

13 • Standard Accessories GX-2003 Operator’s ManualSample Hose & 10 Inch ProbeA 10 foot sample hose and a 10 inch probe are included as standard w

GX-2003 Operator’s Manual Overview • 14Chapter 3: Using the GX-2003 in Normal ModeOverviewThis chapter explains how to operate the GX-2003 in Normal M

15 • Start Up, Normal Mode GX-2003 Operator’s Manual4. If LUNCH BREAK is turned on (see page 55), the Resume Datalog Screen displays.• Press and rele

GX-2003 Operator’s Manual Start Up, Normal Mode • 16• If the unit is due for calibration and CAL. EXPIRED ACTION is set to CANNOT USE, then the follow

17 • Start Up, Normal Mode GX-2003 Operator’s Manualsoon as possible. 9. The GX-2003 is now operating in Normal Mode and monitoring for gas in Measuri

GX-2003 Operator’s Manual Start Up, Normal Mode • 183. Press and briefly hold down the POWER/ENTER button. The Mode Select Screen displays.NOTE: If a

19 • Measuring Mode, Normal Operation GX-2003 Operator’s ManualTurning Off the GX-2003, Normal Mode1. Press and hold the POWER ENTER button.2. The buz

GX-2003 Operator’s Manual Measuring Mode, Normal Operation • 20Instruments, Inc. for longer sample hose lengths.4. If a gas alarm occurs, take appropr

21 • Measuring Mode, Alarms GX-2003 Operator’s ManualThe table below lists the conversion factors for several hydrocarbon gases for the % LEL combusti

GX-2003 Operator’s Manual Measuring Mode, Alarms • 22Alarm IndicationsCAUTION: If the combustible channel is set for %volume only, then there are no g

GX-2003 Operator’s Manual WarrantyWarrantyRKI Instruments, Inc. warrants the Model GX-2003 sold by us to be free from defects in materials, workmanshi

23 • Measuring Mode, Alarms GX-2003 Operator’s ManualResetting and Silencing AlarmsYou can set the GX-2003’s gas alarms as latching or self-resetting

GX-2003 Operator’s Manual Measuring Mode, Alarms • 24the alarm level when the button was pressed, the LEDs continue to flash, and the GX-2003 continue

25 • Display Mode GX-2003 Operator’s Manual5. If the over range condition continues, you may need to replace the sensor that has triggered the over ra

GX-2003 Operator’s Manual Display Mode • 26• display time in operation• display TWA and STEL readings (H2S and CO only)• display the date, time, and b

27 • Display Mode GX-2003 Operator’s ManualID ScreenThis screen displays only if USER/STATION ID in the Setup Mode menu is set to ON (see “Turning the

GX-2003 Operator’s Manual Display Mode • 28Peak ScreenThe peak screen displays the highest (lowest for O2) concentrations detected since the GX-2003 w

29 • Display Mode GX-2003 Operator’s ManualThe STEL reading is the average reading during the last 15 minutes.Date/Time/Battery Charge ScreenThe date/

GX-2003 Operator’s Manual Display Mode • 302. Press and release the ▲AIR button to confirm that you want to clear the data logger.The GX-2003 displays

31 • Data Logging GX-2003 Operator’s ManualData LoggingNOTE: The GX-2003 only logs data while in Normal Mode. If the GX-2003 is used in Bar Hole Mode

GX-2003 Operator’s Manual Calibration Mode • 32Calibration ModeCalibration mode allows you to calibrate the GX-2003’s sensor response. It also include

Table of Contents GX-2003 Operator’s ManualTable of ContentsChapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33 • Calibration Mode GX-2003 Operator’s ManualWARNING: If you are using a calibration kit that includes a gas bag and a fixed flow regulator or dispe

GX-2003 Operator’s Manual Calibration Mode • 34NOTE: The following screens illustrate a four-gas GX-2003 with both a % LEL and a % volume combustible

35 • Calibration Mode GX-2003 Operator’s Manual3. If necessary, use the ▲AIR and (SHIFT)▼ buttons to set the correct combustible gas value.4. Press an

GX-2003 Operator’s Manual Calibration Mode • 369. Disconnect the tubing from the probe.10. Unscrew the demand flow regulator from the calibration cyli

37 • Calibration Mode GX-2003 Operator’s Manual4. Press and release the POWER/ENTER button. The single calibration screen displays for the sensor you

GX-2003 Operator’s Manual Calibration Mode • 38Adjusting the LCD ContrastThe contrast setting controls the LCD contrast. Select the setting so the cha

39 • Overview GX-2003 Operator’s ManualChapter 4: Using the GX-2003 in Bar Hole ModeOverviewThis chapter explains how to operate the GX-2003 in Bar Ho

GX-2003 Operator’s Manual Start Up, Bar Hole Mode • 401. Connect the sample hose to the GX-2003’s quick connect inlet fitting.2. Screw the bar hole pr

41 • Start Up, Bar Hole Mode GX-2003 Operator’s ManualThe alarm LED’s and buzzer will pulse several times and the vibrator will activate for a second.

GX-2003 Operator’s Manual Start Up, Bar Hole Mode • 42RESET SILENCE button to acknowledge the failure and return to the Mode Select Screen. Replace th

GX-2003 Operator’s Manual Table of ContentsMeasuring Mode, Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 19Monitoring an Area.

43 • Bar Hole Testing GX-2003 Operator’s ManualBar Hole TestingIn bar hole mode, the you can initiate sampling for a fixed time period to monitor for

GX-2003 Operator’s Manual Bar Hole Testing • 445. At the end of the sample period, the pump will shut off and the audible alarm will sound, then the p

45 • Bar Hole Testing GX-2003 Operator’s ManualTurning Off the GX-2003, Bar Hole Mode1. Press and hold the POWER ENTER button.2. The unit will initiat

GX-2003 Operator’s Manual Overview • 46Chapter 5: Using the GX-2003 in Leak Check ModeOverviewThis chapter explains how to operate the GX-2003 in Leak

47 • Start Up, Leak Check Mode GX-2003 Operator’s Manual1. Connect the tapered rubber nozzle or the sample hose to the GX-2003’s quick connect inlet f

GX-2003 Operator’s Manual Start Up, Leak Check Mode • 48• If the unit is due for calibration and CAL. EXPIRED ACTION is set to CONFIRM TO USE, then th

49 • Start Up, Leak Check Mode GX-2003 Operator’s Manualbelow, the LEL/ppm sensor has failed.If the LEL/ppm sensor fails, it is not possible to enter

GX-2003 Operator’s Manual Leak Testing • 50Leak TestingIn Leak Check Mode, the GX-2003 only displays combustible gas readings, and the readings are di

51 • Leak Testing GX-2003 Operator’s ManualTo turn the buzzer off or on while in Leak Check Mode:1. Press and hold the DISPLAY(ADJ) button for 3 secon

GX-2003 Operator’s Manual Overview • 52Chapter 6: Setup ModeOverviewThis chapter describes the GX-2003 in Setup Mode. In Setup Mode, you can:• update

Table of Contents GX-2003 Operator’s ManualLeak Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

53 • Tips for Using Setup Mode GX-2003 Operator’s ManualTips for Using Setup Mode• When in the main menu, the cursor (>) will flash in front of a m

GX-2003 Operator’s Manual Using Setup Mode • 54Updating the Alarm Point SettingsThis menu item allows you to update one or more alarm points (the read

55 • Using Setup Mode GX-2003 Operator’s Manual4. Press and release the POWER ENTER button to save the new alarm point and move to the next set alarm

GX-2003 Operator’s Manual Using Setup Mode • 56Updating the Alarm Latching SettingWith ALARM LATCHING set to ON (factory setting), the GX-2003 remains

57 • Using Setup Mode GX-2003 Operator’s ManualUpdating the Confirmation Beep SettingWith CONFIRMATION BEEP set to ON, the GX-2003 beeps once every 15

GX-2003 Operator’s Manual Using Setup Mode • 581. From the main menu, place the cursor next to the DATALOG OVERWRITE menu item. Press and release the

59 • Using Setup Mode GX-2003 Operator’s Manual2. Use the ▲AIR or (SHIFT)▼ button to display the desired setting.Tip: Press and hold the ▲AIR or (SHIF

GX-2003 Operator’s Manual Using Setup Mode • 601. From the main menu, place the cursor next to the CAL. EXPIRED ACTION menu item. Press and release th

61 • Using Setup Mode GX-2003 Operator’s Manual2. Use the ▲AIR or (SHIFT) ▼ button to display the desired character, then press and release the POWER/

GX-2003 Operator’s Manual Using Setup Mode • 623. Install the hose and probe to the GX-2003.4. From the main menu, place the cursor next to the AUTO C

GX-2003 Operator’s Manual Table of ContentsReplacing the HC and CO Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73Replacing a S

63 • Using Setup Mode GX-2003 Operator’s ManualIf all channels passed calibration, AUTO CALIBRATION PASS displays, then the calibration main Setup men

GX-2003 Operator’s Manual Using Setup Mode • 64NOTE: To display the CO sensor, use the (SHIFT)▼button to move the cursor to the bottom of the screen a

65 • Using Setup Mode GX-2003 Operator’s ManualUpdating the LCD Back Light Time SettingThis setting indicates the length of time the LCD illuminates w

GX-2003 Operator’s Manual Using Setup Mode • 666. Repeat steps 4 and 5 to select the remaining characters. When you press and release the POWER ENTER

67 • Using Setup Mode GX-2003 Operator’s ManualExiting Setup Mode1. From the main menu, place the cursor in front of the START MEASUREMENT menu item.

GX-2003 Operator’s Manual Overview • 68Chapter 7: MaintenanceOverviewThis chapter describes troubleshooting procedures for the GX-2003. It also includ

69 • Troubleshooting GX-2003 Operator’s Manual• The unit indicates flow failure and does not recover when RESET SILENCE is pressed and released.• The

GX-2003 Operator’s Manual Replacing or Recharging the Batteries • 70Replacing or Recharging the BatteriesWARNING: To prevent ignition of a hazardous a

71 • Replacing or Recharging the Batteries GX-2003 Operator’s Manualwhile pushing down the other end to install it into the compartment.Figure 6: Inst

GX-2003 Operator’s Manual Replacing or Recharging the Batteries • 72Figure 7: Putting the GX-2003 into the Charging Station4. When a full charge has b

1 • Overview GX-2003 Operator’s ManualChapter 1: IntroductionOverviewThis chapter briefly describes the GX-2003. This chapter also describes the GX-20

73 • Replacing the HC and CO Filters GX-2003 Operator’s Manual2. Insert the battery pack into the charging station as shown in Figure 8 below so that

GX-2003 Operator’s Manual Replacing a Sensor • 74Figure 9: Replacing the CO and HC Filters5. Carefully screw the filter retainer with the filter back

75 • Replacing a Sensor GX-2003 Operator’s ManualFigure 10: Replacing a SensorHCVOLHCLELCOH2SO2Exhaust% VolumeCombustibleSensor% LELCombustibleSensorC

GX-2003 Operator’s Manual Replacing the Hydrophobic Disk Filter, • 76CAUTION:When replacing a sensor, verify that the sensor is properly aligned with

77 • Cotton Filter, and Wire Mesh Disk GX-2003 Operator’s ManualFigure 11: Changing the Filters& Wire Mesh Disk6. Remove the old hydrophobic filte

GX-2003 Operator’s Manual Parts List • 78Parts ListTable 7 lists part numbers for the GX-2003’s replacement parts and accessories.Table 7: Parts List

79 • Parts List GX-2003 Operator’s Manual81-GX03HSCO-LV Calibration kit, for LEL/Oxy/H2S/CO unit, 34 Liter81-GX03VOLHS Calibration kit, for %VOL(CH4)/

GX-2003 Operator’s Manual Overview • 80Appendix A: Calibrating with a Sample BagOverviewThe GX-2003 can be calibrated with a gas bag calibration kit i

81 • Preparing for Calibration GX-2003 Operator’s ManualTo calibrate the GX-2003, you will need:• Known calibrating samples of the gases being detecte

GX-2003 Operator’s Manual Calibrating the GX-2003 • 825. Slide the tubing clamp onto the tubing and connect the tubing onto the sample bag’s inlet. Le

GX-2003 Operator’s Manual About the GX-2003 • 2• Peak hold and average readouts (when used in Normal Mode)• Built-in time function• RF shielded high i

83 • Calibrating the GX-2003 GX-2003 Operator’s ManualThe GX-2003’s calibration menu includes two methods of calibration:auto calibration and single c

GX-2003 Operator’s Manual Calibrating the GX-2003 • 84NOTE: The RKI Four Gas Cylinder typically contains 12% O2 by volume. Be sure to set the “OXY” re

85 • Calibrating the GX-2003 GX-2003 Operator’s ManualCalibrating with the Single Calibration MethodThis section describes calibration using the Singl

GX-2003 Operator’s Manual Parts List • 866. If necessary, use the ▲AIR and (SHIFT)▼ buttons to adjust the reading to match the concentration listed on

GX-2003 Operator’s Manual Parts List • 87