Model GX-2003 - RKI Instruments

1 GX- 2003 Operator s Manual Part Number: 71-0089 RKRevision: FReleased: 2/2/11GX- 2003 Operator s ManualWARNINGRead and understand this instruction manual before operating instrument. Improper use of the gas monitor could result in bodily harm or calibration and maintenance of the gas monitor is essential for proper operation and cor-rect 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 Operator s ManualWarrantyWarrantyRKI Instruments , Inc. warrants the Model GX- 2003 sold by us to be free from defects in materials, workmanship, and performance for a period of two years from the date of shipment from RKI Instruments , Inc.

2 This includes the instrument and the original sensors. Replacement parts are warranted for 1 year from the date of their shipment from RKI Instruments , Inc. Any parts found defective within their warranty period will be repaired or replaced, at our option, free of charge. This warranty does not apply to those items which by their nature are subject to deterioration or consumption in normal service, and which must be cleaned, repaired, or replaced on a routine basis. Examples of such items are: Warranty is voided by abuse including mechanical damage, alteration, rough handling, or repair procedures not in accordance with the instruction manual. This warranty indicates the full extent of our liability, and we are not responsible for removal or replacement costs, local repair costs, transportation costs, or contingent expenses incurred without our prior WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS, EXPRESSED OR IMPLIED, AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI Instruments , INC.

3 INCLUDING BUT NOT LIMITED TO THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL RKI Instruments , INC. BE LIABLE FOR INDIRECT, INCIDENTAL, OR CONSEQUENTIAL LOSS OR DAMAGE OF ANY KIND CONNECTED WITH THE USE OF ITS PRODUCTS OR FAILURE OF ITS PRODUCTS TO FUNCTION OR OPERATE warranty covers Instruments and parts sold to users only by authorized distributors, dealers, and representatives as appointed by RKI Instruments , do not assume indemnification for any accident or damage caused by the operation of this gas monitor and our warranty is limited to replacement of parts or our complete cartridgesFilter elements, disks, or sheetsPump diaphragms and valvesTable of ContentsGX- 2003 Operator s ManualTable of ContentsChapter 1: Introduction.

4 1 Overview .. 1 About the GX- 2003 .. 1 Specifications .. 3 About This Manual .. 4 Chapter 2: Description .. 5 Overview .. 5 Instrument Description .. 5 Case .. 6 Sensors .. 7 LCD .. 8 Control Buttons .. 8 Printed Circuit Boards .. 8 Alarm LED Arrays .. 9 Infrared Communications Port .. 9 Buzzers .. 9 Vibrator .. 9 Batteries .. 9 Pump .. 10 Flow Chamber .. 10 Inlet Filter Holder .. 11 Standard Accessories .. 12 Tapered Rubber Nozzle .. 12 Protective Rubber Boot .. 12 Sample Hose & 10 Inch Probe .. 13 Bar Hole Probe .. 13 Chapter 3: Using the GX-203 in Normal Mode .. 14 Overview .. 14 Start Up, Normal Mode .. 14 Turning On the GX- 2003 , Normal Mode Only .. 14 Turning On the GX- 2003 in Normal With All Modes Active .. 17 Performing a Demand Zero, Normal Mode.

5 18 Turning Off the GX- 2003 , Normal Mode .. 19GX- 2003 Operator s ManualTable of ContentsMeasuring Mode, Normal Operation .. 19 Monitoring an Area.. 19 Combustible Gas Detection .. 20 Measuring Mode, Alarms .. 21 Alarm Indications .. 22 Resetting and Silencing Alarms .. 23 Responding to Alarms .. 24 Display Mode.. 25HC Range Screen.. 26ID Screen .. 27 Peak Screen .. 28 Elapsed Time Screen .. 28 TWA/STEL Screen .. 28 Date/Time/Battery Charge Screen .. 29 Clear Data Logger Screens .. 29 Remaining Log Time Screen .. 30 Datalogging .. 31 Data Cal 2000 .. 31 Calibration Mode .. 32 Calibration Supplies and Equipment .. 32 Preparing for Calibration .. 33 Calibrating the GX- 2003 .. 33 Adjusting the LCD Contrast.. 38 Chapter 4: Using the GX- 2003 in Bar Hole Mode.

6 39 Overview .. 39 Start Up, Bar Hole Mode .. 39 Turning On the GX- 2003 , Bar Hole Mode .. 39 Performing a Demand Zero, Bar Hole Mode .. 42 Bar Hole Testing .. 43 Performing a Bar Hole Test .. 43 Turning Off the GX- 2003 , Bar Hole Mode .. 45 Chapter 5: Using the GX- 2003 in Leak Check Mode .. 46 Overview .. 46 Start Up, Leak Check Mode .. 46 Turning On the GX- 2003 , Leak Check Mode .. 46 Performing a Demand Zero, Leak Check Mode .. 49 Table of ContentsGX- 2003 Operator s ManualLeak Testing .. 50 Locating a Leak .. 50 Turning the Buzzer On and Off in Leak Check Mode.. 50 Turning Off the GX- 2003 , Leak Check Mode .. 51 Chapter 6: Setup Mode .. 52 Overview .. 52 Tips for Using Setup Mode .. 53 Using Setup Mode.. 53 Updating the Alarm Point Settings.

7 54 Updating the Lunch Break Setting .. 55 Updating the Alarm Latching Setting .. 56 Updating the Alarm Silence Setting .. 56 Updating the Confirmation Beep Setting .. 57 Updating the Interval Time Setting .. 57 Updating the Log Data Over Write Setting .. 57 Updating the Date and Time Settings .. 58 Updating the Calibration Interval.. 58 Updating the Calibration Time Remaining Setting .. 59 Updating the Calibration Expired Action Setting .. 59 Updating the LCD Contrast Setting .. 60 Updating the GX- 2003 s Serial Number.. 60 Turning the User ID Function On or Off .. 61 Calibrating Using Auto Calibration .. 61 Calibrating Using Single Calibration .. 63 Updating the LCD Backlight Time Setting .. 65 Turning the Password Function On or Off .. 65 Turning LB Mode Display On or Off.

8 66 Setting the Bar Hole Measurement Time .. 66 Exiting Setup Mode.. 67 Chapter 7: Maintenance .. 68 Overview .. 68 Troubleshooting.. 68 Replacing or Recharging the Batteries .. 70 Replacing Alkaline Batteries or Ni-MH Battery Pack .. 70 Recharging the Battery Pack in the Instrument .. 71 Recharging the Battery Pack Out of the Instrument.. 72GX- 2003 Operator s ManualTable of ContentsReplacing the HC and CO Filters .. 73 Replacing a Sensor .. 74 Replacing the Hydrophobic Disk Filter, Cotton Filter,and Wire Mesh Disk .. 76 Parts List .. 78 Appendix A: Calibrating with a Sample Bag .. 80 Overview .. 80 Calibration Supplies & Equipment.. 80 Preparing for Calibration .. 81 Calibrating the GX- 2003 .. 82 Calibrating with the Auto Calibration Method.

9 83 Calibrating with the Single Calibration method .. 85 Parts List .. 86 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%).1 OverviewGX- 2003 Operator s ManualChapter 1: IntroductionOverviewThis chapter briefly describes the GX- 2003 . This chapter also describes the GX- 2003 Operator s Manual (this document). Table 1 at the end of this chapter lists the specifications for the the GX- 2003 Using an advanced detection system consisting of up to five gas sensors, the GX- 2003 sample draw gas monitor detects the presence of combustible gas, oxygen (O2), carbon monoxide (CO), and hydrogen sulfide (H2S) simultaneously.

10 The GX- 2003 s compact size 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. TheGX- 2003 offers a full range of features, including: Simultaneous four-gas monitoring of combustible gases, O2, CO, and H2S (in Normal Mode) Choice of three operating modes: Normal Mode for typical confined space or area monitoring; Bar Hole Mode for checking of bar holes when searching for underground gas leaks; and Leak Check Mode for locating leaks in valves and piping. Sample-drawing pump with up to 40-foot range Liquid crystal display (LCD) for complete and understandable information at a glance Distinctive audible/vibrating alarms for dangerous gas conditions and audible alarms for unit malfunction Microprocessor control for reliability, ease of use, and advanced capabilities Alarm trend data (when used in Normal Mode) Data logging functions (when used in Normal Mode) STEL/TWA (when used in Normal Mode) and over range alarm displayGX- 2003 Operator s ManualAbout the GX- 2003 2 Peak hold and average readouts (when used in Normal Mode)