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LACO Technologies GASCHECK G Series User Manual

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USER MANUAL
GASCHECK G SERIES

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Summary of Contents for LACO Technologies GASCHECK G Series

  • Page 1 USER MANUAL GASCHECK G SERIES...
  • Page 2 CONTACT US PHONE/FAX Toll Free: 800.465.1004 Phone: 801.486.1004 Fax: 801.486.1007 ADDRESS LACO Technologies, Inc. 3085 West Directors Row Salt Lake City, UT 84104 www.lacotech.com info@lacotech.com SMT-07-1015 rev A2 © 2010 LACO TECHNOLOGIES, INC.

  • Page 3: Table Of Contents

    CONTENTS 1. SCOPE ..................1 2. SAFETY .................. 1 3. OVERVIEW ................2 4. BASIC OPERATION ............12 5. MAINTENANCE ..............16 © 2010 LACO TECHNOLOGIES, INC.

  • Page 4: Scope

    1. SCOPE This manual contains safety, operation, and maintenance information for GasCheck G Series handheld sniff er leak detector. Our leak detectors are designed to ensure safety when used properly. It is the responsibility of the user to follow safety-related warnings, cautions, notes, and other requirements described in this manual.

  • Page 5: Overview

    All GasCheck G Series models have an easy to use graphical interface with an intuitive keypad allowing simple function selection and adjustment. It can be upgraded to add features without the need to be returned to the supplier and without having to modify the internal fi rmware.
  • Page 6 LACO USER MANUAL - GASCHECK G SERIES Table 2: GasCheck Replacement Parts PART NUMBER DESCRIPTION A-08045 Long probe A-08043 Short probe 1/BH-01 Replacement battery holder 08024CPC8 Nozzle A-08029 Box Wrench CM515.0-4101FAG/1 Leak Standard with Refi llable Helium Reservoir, 5x10-4 cc/sec CM515.0-410SFA0/1...
  • Page 7 LACO USER MANUAL - GASCHECK G SERIES IMPORTANT NOTES The GasCheck G Series range is NOT intrinsically safe, so it should not be used in potentially explosive environment. Intrinsically safe GasCheck instruments are available; please contact LACO Technologies for more information.
  • Page 8 LACO USER MANUAL - GASCHECK G SERIES THERMAL CONDUCTIVITY All gases conduct heat by varying amounts. If an object is heated and the source of the heat is then removed, the object will eventually cool down to match the ambient air temperature. This action occurs because the ambient air surrounding the object carries the access heat into the surrounding atmosphere.
  • Page 9 LACO USER MANUAL - GASCHECK G SERIES The GasCheck G Series contains a heated thermistor bead that transmits heat to a block of material that remains at a constant temperature. As air passes through the detector chamber a constant amount of heat passes from the bead to the block.
  • Page 10 LACO USER MANUAL - GASCHECK G SERIES INSTRUMENT MAIN MENU Once the GasCheck has run through its START UP routine it will display its normal RUNNING SCREEN used when locating gas leaks. Before using the instrument, the various settings should be adjusted to suit the application.
  • Page 11 LACO USER MANUAL - GASCHECK G SERIES RUNNING SCREEN The GasCheck displays the RUNNING SCREEN whenever the instrument is being used to detect leaking gas. The illustration below outlines the various information and icons. Table 5: Running Screen Display FUNCTION...
  • Page 12 LACO USER MANUAL - GASCHECK G SERIES FUNCTIONS The GasCheck instruments have a variation of functionality. Each of the functions listed below has a number to the right of the heading. This number indicates which function is included with each model.
  • Page 13 GasCheck to be upgraded instantly by the user in the fi eld. See Table 7: GasCheck Feature Comparison to compare the various features within each model. To upgrade a GasCheck, simply purchase an upgrade code from LACO Technologies, enter the 12-digit number on the upgrade screen using the UP, DOWN, ENTER, and ESC keys.
  • Page 14 LACO USER MANUAL - GASCHECK G SERIES FUNCTION DESCRIPTION MODEL GAS SELECTION The GasCheck is calibrated using helium gas at manufacture, however other gases can be detected and measured using a gas table within the instrument. Although GasCheck can’t diff erentiate between gases, it can quantify other gases using response factors stored in its internal gas table.

  • Page 15: Basic Operation

    0.000033 407c Refrigerant R410a 3.2 E-5 0.000032 410a Refrigerant R507 3.8 E-5 0.000038 4. BASIC OPERATION All GasCheck G Series models have the same keypads. The following section explains the general functionality of each key. © 2010 LACO TECHNOLOGIES, INC.
  • Page 16 LACO USER MANUAL - GASCHECK G SERIES STARTUP ROUTINE 1. When the GasCheck fi rst switches on, it will display its model number and the gas that it has been calibrated with. 2. A second screen then displays the instrument’s serial number, the instrument’s fi rmware version and web address.
  • Page 17 LACO USER MANUAL - GASCHECK G SERIES Variation in temperature, humidity, and background gas may result in a constant level being detected on the instrument. To reset to Zero, hold the instrument away from the source of contamination and then press the ZERO key.
  • Page 18 LACO USER MANUAL - GASCHECK G SERIES Should a probe become blocked, use dry, clean, compressed air to blow out the blockage from the instrument end of the probe. WARNING Ensure safety guidelines are adhered to when using compressed air.

  • Page 19: Maintenance

    LACO USER MANUAL - GASCHECK G SERIES 5. MAINTENANCE CALIBRATION The GasCheck G Series has two selectable calibration settings: factory and custom. Factory calibration is carried out at Ion Science during the instrument’s manufacture. It can be selected and used but cannot be changed.
  • Page 20 LACO USER MANUAL - GASCHECK G SERIES 3. Ensure the instrument is in clean air and then press the ENTER key. The instrument will Zero. This will take a few seconds, but once complete a READY message will appear. 4. Insert the instrument’s probe fully into the sample bag containing the gas and press the ENTER key.
  • Page 21 LACO USER MANUAL - GASCHECK G SERIES WARNING Great care should be taken to ensure the calibration gas is neither pressurized or restricts fl ow to the instrument’s probe. Changes in fl ow of gas to the sensor will result in signifi cant errors in readings.

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