Gasurveyor 3 500 инструкция на русском

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  Gasurveyor 3-500 User Handbook…
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  Issue 4 20/07/04 Part Number: 42129 GMI welcomes comments on all our publications. Your comments can be of great value in helping us to improve our customer publications. Please send any comments that you have to our Sales Department at GMI. Contact details are provided inside the back cover of this handbook.
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  Instruments Ltd is prohibited. Reverse engineering is not permitted. LIABILITY Every care has been taken in the preparation of this document, but GMI Ltd do not accept any responsibility for errors or omissions and their consequences. Information in this document is subject to change without notice. This document does not constitute a specification or basis for a contract.
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  The combustion chamber is a flameproof assembly and must not be opened in the presence of a flammable atmosphere. • Gasurveyor 3-500 instruments are certified as EEx iad IIC T4 (-20 o C < Tamb < 50 o C). BAS01ATEX2292 II 2 G.
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  REVISION RECORD Date Pages Description Of Change Issue 1 New Handbook 21.09.00 Issue 2 Handbook revised to 25.05.01 reflect updated instrument options and features Issue 3 Handbook revised to 17.07.03 include effect of CR 2291 Issue 4 To include Appendix C 20/07/04 (translations)
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  GASURVEYOR 3-500 USER HANDBOOK…
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  CONTENTS COPYRIGHT …………..i LIABILITY …………..i MODIFICATION NOTICES ……….. i SOFTWARE …………..i DISPOSAL ADVICE …………i SAFETY ……………. ii AREAS OF USE …………ii STORAGE, HANDLING AND TRANSIT …… ii REVISION RECORD ……..iii INTRODUCTION ……….. 1 GENERAL INFORMATION ……3 Ranges of Operation …………
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  GASURVEYOR 3-500 USER HANDBOOK Batteries ……………. 7 Disposable Alkaline (LR20) Dry Cell Batteries ..7 Rechargeable (NiCd) Battery Pack ……8 Filters …………….8 Liquid Crystal Display (LCD) ……..9 Before Use Checks …………9 OPERATING INSTRUCTIONS ….11 Modes of Operation ………… 11 Switching On …………
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  CONTENTS Replacing Alkaline (LR20) Dry Cell Batteries …. 22 Filter Replacement …………. 24 CALIBRATION ……….27 Calibration Validity …………28 ACCESSORIES……….. 29 ADDITIONAL INFORMATION ….. 33 Training …………… 33 World Wide Web …………33 TYPICAL OPERATING PARAMETERS ..A-1 Size ……………. A-2 Weight …………..
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  GASURVEYOR 3-500 USER HANDBOOK FIELD CALIBRATION …….. B-1 Selectable Ranges in FCM ……..B-3 Entering FCM …………B-3 Zeroing the Instrument ……….B-4 Field Calibration Procedure ……..B-5 Quitting FCM …………. B-9 Quit And Save Changes ……..B-9 Quit Without Saving Changes …….. B-9 OPERATING INSTRUCTIONS ….
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  INTRODUCTION The Gasurveyor 3-500 is a two button flammable gas leak location and purge instrument, designed to measure Lower Explosive Level (LEL) and Volume flammable gas. The instrument is designed to the latest standards and is certified for use in Hazardous Areas.
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  GASURVEYOR 3-500 USER HANDBOOK generally be configured, with the possible options detailed in italic text. GMI recommend that you take the time to study your instrument and, where practical and with advice from your company’s Purchasing / Management departments, highlight your particular instrument configuration.
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  GENERAL INFORMATION Ranges of Operation LEL, 0 to 100% The LEL range indicates the explosibility of the flammable gas in the sample. This is displayed as a percentage of the lower explosive limit (LEL) of the gas. For methane 100% LEL corresponds to 5% Volume methane in Air.
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  When using PURGE mode to measure flammable gas in air or Nitrogen, or a combination of both background gases, the Gasurveyor 3-500 will use the thermal conductivity Volume gas range only. The digital display will resolve the signal to 1% Gas, with the analogue bar graph following in steps of 4%.
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  The instrument, where selected, can have alarm levels for the Flammable LEL pre-set. The Gasurveyor 3-500 has the facility to have two (2) instantaneous alarm levels for the flammable LEL range in the instrument. These are described as LOW and HIGH, although generally only the high alarm would be active.
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  / industry in which the unit is being used. Alarm Functions The Gasurveyor 3-500, by default, has the alarm function on the flammable range disabled. Where the alarm function is enabled, the instrument has the facility to have either latching or non-latching alarms.
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  GENERAL INFORMATION Non-Latching means that the alarms clear automatically when the gas level falls below the alarm limit. For both latching and non-latching alarms, it is possible for both audible and visual indicators to be either On or OFF independent of each other. Construction The instrument is housed in a tough, impact resistant, moulded case made of carbon loaded polypropylene.
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  Rechargeable Battery Pack OPERATOR MAINTENANCE Filters A number of different filter types are available from GMI. The minimum requirement is a cotton particulate filter and a hydrophobic filter which are incorporated in the probe handle assembly, supplied with the instrument.
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  GENERAL INFORMATION is drawn into the instrument any filter which has been contaminated must be cleaned or replaced. See Filter in Section 4 Replacement OPERATOR MAINTENANCE Liquid Crystal Display (LCD) The LCD shows the current gas readings in both analogue and digital form together with operational and status information.
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  GASURVEYOR 3-500 USER HANDBOOK…
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  ON with either Button One or Button Two . See Figure 3.1 below. INST. PUMP PURGE GASURVEYOR 3-500 ALARM ACK. Figure 3.1 Instrument Front Plate Mode 1. Switching ON with Button One provides two gas ranges: a) LEL autoranging to Volume Gas.
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  GASURVEYOR 3-500 USER HANDBOOK Audible/visual alarms can operate in this mode. Mode 2. Switching ON with Button Two provides access to only 0-100% Vol Gas range for purge applications. No audible/visual alarms are available in this mode. Switching On Press and hold Button One to turn the instrument on.
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  OPERATION Calibration Date Features At the end of warm-up and before the Gasurveyor 3-500 instrument is ready for measuring, the instrument will indicate on the display when the next calibration is due. This will be displayed as month and year, as shown in Figure 3.3:…
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  Switching On in Purge Mode To switch on in Purge mode, press and hold Button Two . The Gasurveyor 3-500 will initiate the warm-up sequence as explained previously. This mode uses the thermal conductivity Volume gas range only since inert Nitrogen atmospheres are likely to be present.
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  OPERATION Summary of Button Operation Measure Double Press and Single Press Mode Press Hold Button 1 c t i c t i Toggles Pump On / Off (during operation) Button 2 c t i Acknowledge Instrument Alarm in Purge mode Operator Messages / Fault Flags Various messages can appear on the LCD screen to indicate instrument status.
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  GASURVEYOR 3-500 USER HANDBOOK ‘SAMPLE FAULT’ This indicates a problem with the instrument’s flow due to the sample path being blocked, water ingress, a blocked filter or pump failure. In Measure and Purge mode, the pump stops automatically. The sample line, filters etc. should be checked for water ingress or blockage and Button One should then be pressed to restart the pump.
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  OPERATION ‘OFF’ and the instrument automatically switches off. The batteries should be replaced immediately. ‘BAT FAULT’ This indicates that the batteries require replacing. ‘1’ This message which can also appear after power on, indicates that a calibration data error has been detected. The instrument should be returned for servicing.
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  GASURVEYOR 3-500 USER HANDBOOK…
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  OPERATOR MAINTENANCE Rechargeable Battery Pack Three battery chargers are available from GMI, a Standard Charger, a Flatbed Charger and a Smart Charger. Standard Charger The GMI Standard Charger takes approximately 14 hours to charge a flat battery. Note: The 4-button instrument is for illustration purposes…
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  GASURVEYOR 3-500 USER HANDBOOK Flatbed Charger The GMI Flatbed Charger allows the Gasurveyor’s battery pack to be charged in NORMAL mode, which takes approximately 14 hours to charge a flat battery. The Mode Select Switch can then be set to STAND-BY, where a trickle charge will maintain the battery in a fully charged state of readiness.
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  OPERATOR MAINTENANCE The GMI Smart Charger provides both fast and standard charging facilities and can charge an instrument and spare battery pack simultaneously. Using the standard charging option, a battery pack can be recharged in 12 hours from a fully discharged state. Using the fast charge option a battery pack can be 90% recharged in approximately 60 minutes and fully recharged in 120 minutes.
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  Replacing Alkaline (LR20) Dry Cell Batteries All four batteries should be replaced at any one time and in a safe area. GMI only recommend the use of Energiser or Duracell cells. 1) Loosen the two instrument base screws (4mm hex)
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  OPERATOR MAINTENANCE 2) Remove battery cover. 3) Remove the old batteries. 4) Check battery compartment for damage to spring contacts or corrosion on springs. Caution: Under no circumstances should rechargeable batteries be fitted in place of Alkaline batteries. 5) Insert four new batteries observing correct polarity indication in battery compartment base.
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  GASURVEYOR 3-500 USER HANDBOOK Filter Replacement Hydrophobic and cotton particulate filters in the probe handle minimise the danger of water and dust ingress. Caution: The instrument should never be switched on without suitable filters installed. If a blockage occurs the ‘SAMPLE FAULT’ indicator is displayed.
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  OPERATOR MAINTENANCE 2) Remove the cotton particulate filter and discard. 3) Remove the hydrophobic filter. 4) Clean the probe handle to make sure that it is free from dirt and water. 5) Fit a new cotton particulate filter. 6) Fit the hydrophobic filter. The yellow label on the filter fits against the yellow label on the probe handle.
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  GASURVEYOR 3-500 USER HANDBOOK…
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  CALIBRATION The instrument has been calibrated for a particular flammable gas mixture. Where any doubt exists the instrument should be returned to GMI or an authorised distributor for calibration. Four methods of calibration are possible: • Field Calibration. See APPENDIX B, FIELD CALIBRATION for further details.
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  12 month period can be expected. This is no guarantee, however, as the precise application of the product is unknown to GMI. Individual codes of practice may dictate shorter periods. Regular checking establishes a pattern of reliability and enables the calibration check period to be modified in line with operational experience.
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  ACCESSORIES Accessories Supplied with Gasurveyor 3-500 Instrument Part Number 42503 / 42503R Part Number Description 42119 Carrying Case 12370/2 Shoulder Harness 12451 4mm Hex. Driver 12712 Clear Sample Line x 1.5 metres. (4ft.10ins.) approx. 12480 Plastic Probe — Solid End 35cm.
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  GASURVEYOR 3-500 USER HANDBOOK 12888 Standard Charger / 220V Power Supply (Australian Plug) 13179 Standard Charger w/o Power Supply 42121 Flatbed Charger / 240V Power Supply (UK PLug) 42122 Flatbed Charger / 220V Power Supply (Euro Plug) 42123 Flatbed Charger / 110V Power Supply…
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  Carrying Case (Large) ; Probe Handle Assembly ; Probe Handle Adaptor ; Bellows Probe. Note: Large carrying case has space for special probes, e.g. Swan Neck Note: For other sampling probes and accessories, and for calibration gases, contact GMI Ltd.
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  GASURVEYOR 3-500 USER HANDBOOK…
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  GASURVEYOR 3-500 USER HANDBOOK…
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  TYPICAL OPERATING PARAMETERS Typical operating parameters are as follows: Range Resolution Zero Accuracy Range Stability 0 to 10% 0.1% +/- 0.5% 10 to 100% 2% +/- 1% LEL Volume 0 to 100% +/- 2% 1% +/- 1% Gas Notes: All the values above are at normal temperature and pressure. Humidity is between 0% and 95% RH (non-condensing).
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  GASURVEYOR 3-500 USER HANDBOOK Size 180mm (7.08”) x 95mm (3.74”) x 105mm (4.13”) Weight 1.7kg (3.75lbs.) with alkaline batteries Operating Temperature C to 50 C (-4 F to 122 Humidity 0 – 95% RH Construction Moulded polypropylene case protected to IP54…
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  TYPICAL OPERATING PARAMETERS Power Source 4 ‘D’ size alkaline cells giving approximately 15 hours runtime at 20 C (68 F).. Rechargeble (NiCd) battery pack giving approximately 9 hours runtime at 20 C (68…
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  GASURVEYOR 3-500 USER HANDBOOK…
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  Field calibration allows simple calibration to be carried out in the field without the use of additional test equipment. Other calibration procedures require the use of the GMI Manual Calibration software or the Workshop System. There are fundementals, in terms of instrument calibration, that should be noted: •…
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  GASURVEYOR 3-500 USER HANDBOOK INST. PUMP Figure B-1 Button Functions To simplify button operation when calibrating the instrument, an overlay card, shown in Figure B-2, is available and can be placed over the top face of the instrument to identify calibration button functions.
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  FIELD CALIBRATION Selectable Ranges in FCM When in FCM the following ranges are manually selectable by pressing Button Two : LEL, Volume GAS. Entering FCM 1) Switch the instrument on and allow it to complete its warm-up checks. 2) Double press Button One to initiate instrument switch off.
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  GASURVEYOR 3-500 USER HANDBOOK In CAL mode, the instrument buttons have the functions shown in Figure B-4. Press and Single Press Double Press Hold Button 1 Button 2 Figure B-4 CAL Mode Button Functions Zeroing the Instrument 1) Enter FCM. See the previous section ENTERING FCM.
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  FIELD CALIBRATION Field Calibration Procedure 1) Zero gas ranges before attempting calibration. See previous section ZEROING THE INSTRUMENT for details. 2) Make sure that the instrument pump is running and the gas range selected is compatible with the calibration gas. Note: A single press of Button One toggles the pump Off / On.
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  GASURVEYOR 3-500 USER HANDBOOK 4) Turn the regulator valve counter clockwise to open the valve slightly. Make sure that the gas is flowing before connecting the sample tubing to the instrument, otherwise an instrument sample fault may occur. 5) Connect tubing from regulator to instrument inlet…
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  FIELD CALIBRATION In SPAN mode, the instrument buttons have the functions shown in Figure B-7. Figure B-7 SPAN Mode Button Functions 8a) In SPAN mode, a single press of Button One will produce small incremental changes to increase display reading, or a single press of Button Two will produce small decremental changes to decrease display reading, until the displayed gas value corresponds to the concentration of the…
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  GASURVEYOR 3-500 USER HANDBOOK 9) The calibrated instrument display will now return to CAL mode display as shown in Figure B-8. Figure B-8 50% LEL Display 10) Make sure that correct reading is displayed before disconnecting the calibration gas then disconnect…
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  FIELD CALIBRATION Quitting FCM Quit And Save Changes 1) Press and hold Button Two to save CAL data. 2) Double press Button One to exit FCM. Quit Without Saving Changes 1) Double press Button One to exit FCM. Note: When you exit the FCM without saving the new CAL data, the old calibration data remains in the instrument memory.
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  GASURVEYOR 3-500 USER HANDBOOK B-10…
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  OPERATING INSTRUCTIONS The following multi-language instructions provide the user with a quick guide to the operation of the . . Gasurveyor 3-500 instrument. Each language and pages reference is as follows: • English — pages C-2 to C-5 • Français (French) — pages C-6 to C-9 •…
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  1.2.7 of Annex II of the ATEX Directive 94/9/EC Any right of claim relating to product liability or consequential damage to any third party against GMI is removed if the warnings are not observed. AREAS OF USE Exposure to certain chemicals can result in a loss of sensitivity of the flammable sensor.
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  Gasurveyor 3-500 — Operating Instructions The enclosure material is polypropylene and must not be exposed to environments which are liable to result in mechanical or thermal degradation or to damage caused by contact with aggressive substances. Additional protection may be required in environments where the instrument enclosure is liable to damage.
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  GAS MEASUREMENT INSTRUMENTS LTD. OPERATION INST. BUTTON 1 PUMP PURGE BUTTON 2 GASURVEYOR 3-500 ALARM ACK. Switch ON (Mode 1) LEL autoranging to Volume Gas Press and Hold Button One to switch instrument and pump On. This initiates the instrument’s warm-up cycle:…
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  A further press of Button One turns the pump back on. Clearing Alarms The Gasurveyor 3-500, by default, has the alarm function on the flammable range disabled. If the alarm function is enabled, the instrument has the facility to have either latching or non-latching alarms.
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  être échangées (*ou rechargés) dans une zone saine et installés correctement. Ne jamais utiliser de batteries endommagées ou les exposer à une chaleur extrême. • Seules les pièces d’origine GMI doivent être utilisées. • Si l’appareil détecte du gaz, suivez les procédures propres à votre entreprise.
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  Gasurveyor 3-500 — Notice d’utilisation contenant plus de 21% d’oxygène. Le boîtier de l’appareil est en polypropylène et ne doit pas être exposé à des environnements qui soient susceptibles d’apporter des dégradations mécaniques ou thermiques ou des dommages causés par des substances agressives. Une protection additionnelle peut être nécessaire dans les environnements ou le boîtier…
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  GAS MEASUREMENT INSTRUMENTS LTD. FONCTIONNEMENT INST. PUMP PURGE GASURVEYOR 3-500 ALARM ACK. Mise en marche (Mode 1) avec saut d’échelle automatique entre LIE et GAZ Pressez et maintenir le bouton 1 pour mettre en marche l’appareil et la pompe. Ce-ci démarre le cycle d’initialisation.
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  Une autre pression sur le bouton 1 remet la pompe en marche. Acquitter les alarmes Par défaut, le Gasurveyor 3-500 n’a pas d’alarme active sur l’échelle inflammable. Si la fonction alarme est activée, l’appareil a la possibilité d’avoir des alarmes maintenues ou non-maintenues.
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  Die Messkammer ist flammensicher ausgefüehrt und darf nicht in Ex Zonen geoeffnet werd • Gasurveyor 3-500 Instrumente sind zertfiziert nach: EEx iad IIC T4 (-20°C < bis < 50°C) BAS01ATEX2292 II 2 G. UL Klasse 1 Gruppe A,B,C und D.
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  Gasurveyor 3-500 — Bedienungshinweise Verwendungsgebiete Das auftreten von verschiedenen Chemikalien kann die Empfindlichkeit des Sensors fuer brennbare Gase beeinflussen. Beim vorhandensein dieser Stoffe ist ein kuerzeres Serviceintervall erforderlich. Folgende Komponenten fuehren zur verringerung der Sensorempfindlichkeit: Silicone, Halogene und Schwefel. Das Instrument darf nicht in Athmosphaeren mit mehr als 21% Sauerstoff verwendet werden.
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  GAS MEASUREMENT INSTRUMENTS LTD. Bedienung INST. PUMP PURGE GASURVEYOR 3-500 ALARM ACK. Einschalten (Modus 1) LEL automatische Umschaltung auf Volume Gas Taste 1 Druecken und Halten, Geraet und Pumpe ein und die Selbsttestphase beginnt: Einschalten (Modus 2) 0 bis 100% Volume Gas ; Für Spülungs (Purge) Anwendungen.
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  Stop der laufenden Pumpe und der Probenahme. Erneutes Drücken startet die Pumpe wieder Alarmquittung Der Gasurveyor 3-500, hat eine einschaltbare Alarmabgabe bei der Mesung von brennbaren Gasen. Bei aktiviertem Alarm ist eine Selbsthaltung aus-oder einschaltbar. Nicht selbsthaltende Alarme werden automatisch geloescht, wenn die Gasanzeige unter den eingestellten Wert abfaellt.
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  Denna utrustning är konstruerad och tillverkad för att skydda mot andra risker än definitionen I paragraf 1.2.7 i Annex II i ATEX Direktivet 94/9/EC All rätt till skadestånd med hänvisning till produktansvar eller skada hos tredje man gentemot GMI upphör om denna varning ej beaktas. C-14…
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  Gasurveyor 3-500 — Handhavande ANVÄNDNINGSOMRÅDE Exponering för vissa kemikalier kan resultera I att sensorn för brännbara gaser skadas. I sådan atmosfär rekommenderas att ofta kontrollera instrumentets känslighet. De kemiska substanser som kan orsaka försämrad reaktion är bl.a. Silikoner, Bly, Halogener and Sulfider. Använd inte instrumentet där oxygenhalten kan överskrida 21vol%.
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  BRUKSANVISNING INST. KNAPP 1 PUMP PURGE KNAPP 2 GASURVEYOR 3-500 ALARM ACK. Slå på (Alternativ 1) %LEL växlar automatiskt till vol%Gas Tryck och håll nere knapp “1” för att sätta på instrumentet och pumpen. Detta startar en automatisk kontroll och uppvärmning av instrumentet: Slå…
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  Ett tryck på knapp “1” då pumpen går stoppar pumpen. Med ytterligare ett tryck startar pumpen igen. Kvittering av larm Gasurveyor 3-500, har som standard larmfunktionen aktiverad vid mätning I LEL-området. Om larmfunktionen är aktiverad så kan den vara antingen automatisk återgående eller ej.
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  Forbrændings kammer er brandsikker tilbehør, og må ikke åbnes i almindelig atmosfære. • Ethvert krav i forbindelse med produkt ansvar eller følge skade på tredje part imod GMI, er fjernet hvis de ovenstående forskrivelser ikke håndhæves. • Gasurveyor 3-500 instrument er certificeret ifølge: C <…
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  Gasurveyor 3-500 — Bruger manual Bruger beskeder og fejl Forskellige beskeder/tegn forekomme på displayet under brug. ‘SAMPLE’ fortæller at pumpen kører, og at instrumentet optager prøver. ‘OFF’ Indikerer at instrumentet er ved at slukke. Denne kommando kan afbrydes ved et tryk på en anden knap.
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  GAS MEASUREMENT INSTRUMENTS LTD. Tænd Gasurveyor INST. KNAP 1 PUMP PURGE KNAP 2 GASURVEYOR 3-500 ALARM ACK. Mode 1 (LEL/Volume Gas) Tryk og hold nede den knap 1 , så startes opvarmnings processen og pumpen. Mode 2 (0-100 Volume Gas til purge) Tryk og hold nede den knap 2 , så…
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  Et tryk mere på knap 1 starter pumpen og målingen igen. Alarms afbrydelse Gasurveyor 3-500 har både hørlig og visuel alarm ved fejl under brug. Når alarm er sat i stand, gar instrumentet muligheden for at enten have latching eller non-latching alarm.
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  II van de ATEX 94/9/EC Elke recht op een claim met betrekking tot de betrouwbaarheid of de daardoor veroorzaakte schade van welke derde partij dan ook aan GMI zal verworpen worden indien de waarschuwingen genegeerd zijn. PLAATSEN VAN GEBRUIK Blootstelling aan bepaalde chemicaliën kan resulteren in een verlies…
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  Gasurveyor 3-500 — Gebruiksaanwijzing zuurstof. Het omhullende materiaal is polypropyleen en dit mag niet blootgesteld worden aan omgevingen die waarschijnlijk resulteren in mechanische of thermische degradatie of schade veroorzaakt door contact met aggressieve substanties. Bijkomende bescherming kan nodig zijn in omgevingen waar het omhulsel van het instrument onderhavig kan zijn aan schade.
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  GAS MEASUREMENT INSTRUMENTS LTD. GEBRUIK INST. KNOP 1 PUMP PURGE KNOP 2 GASURVEYOR 3-500 ALARM ACK. Schakel AAN (Mode 1) LEL autobereik naar volume gas. Druk op knop 1 en houdt ingedrukt om instrument en pomp aan te schakelen. Dit zorgt voor opwarming:…
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  Een volgende druk op knop 1 schakelt de pomp weer aan. Alarmen verwijderen De Gasurveyor 3-500 heeft standaard de alarmfunctie op het ontvlambare bereik uitgeschakeld. Indien de alarmfunctie aangeschakeld is, kunt u op het instrument kiezen tussen een alarm met of zonder automatische uitschakeling.
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  GAS MEASUREMENT INSTRUMENTS LTD. C-26…
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  Index Charger, Flatbed 20 Symbols Charger, Smart 20 Charger, Standard 19 1 17 CHECK ZERO 16 Construction 7, A-2 COPYRIGHT i ACCESSORIES 29 ACCURACY A-1 Alarm Functions 6 Dansk (Danish) C-1 Alarms 5 Deutsch (German) C-1 alkaline A-3 Display A-2 Alkaline (LR20) Dry Cell DISPOSAL ADVICE i Batteries 7, 22…
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  GASURVEYOR 3-500 USER HANDBOOK GENERAL INFORMA- OFF 15 TION 3 OPERATING INSTRUC- TIONS 11 OPERATING PARAMETERS HANDLING ii Operating Temperature A-2 Humidity A-2 OPERATOR MAINTENANCE Operator Messages 15 IMS 27 INTRODUCTION 1 PARAMETERS A-1 Power Source A-3 Pump 13 LCD 9, 15, A-2…
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  Replacing the Battery Pack 21 Weight A-2 RESOLUTION A-1 World Wide Web 33 REVISION RECORD iii ZERO FAULT 16 SAMPLE 15 ZERO STABILITY A-1 SAMPLE FAULT 16, 24 Zeroing the Instrument B-4 Sampling System A-2 Save Changes B-9 Selectable Ranges in FCM B-2, B-3 Size A-2 Smart Charger 20…
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  GASURVEYOR 3-500 USER HANDBOOK…
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  Thank you for reading this data sheet. For pricing or for further information, please contact us at our UK Office, using the details below. UK Office Keison Products, P.O. Box 2124, Chelmsford, Essex, CM1 3UP, England. Tel: +44 (0)1245 600560 Fax: +44 (0)1245 808399 Email: sales@keison.co.uk…

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