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G‑TECTA

®

4GP

Portable Multi‑Gas

Detection Instrument

Operating Manual

UK

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Summary of Contents for G-TECTA4GP

Page 1: ...G TECTA 4GP Portable Multi Gas Detection Instrument Operating Manual UK ...

Page 2: ...both our printed and online publications are accurate at the time of issue full technical specifications are not necessarily included Furthermore The Linde Group policy is one of continuous improvement and the right is reserved to alter details and information as the need arises Accordingly the Customer should check any details and information they wish to rely on with The Linde Group at the time ...

Page 3: ...t in accordance with the procedures in the operating manual WARNING The equipment is not certified for use in atmospheres containing more than 21 oxygen WARNING G TECTA 4GP portable gas detectors have been designed for the detection of either oxygen deficiencies or specific toxic gas accumulations An alarm condition indicates the presence of a potentially life threatening hazard and should be take...

Page 4: ... Users can only change non rechargeable batteries in G TECTA 4GP instruments 9 The equipment is not certified for use in atmospheres containing more than 21 Oxygen Area Classifications Zone 1 An area classified as Zone 1 is likely to have ignitable concentrations of flammable gases vapours or liquids present under normal operating conditions Zone 2 An area classified as Zone 2 is not likely to hav...

Page 5: ...t they occur Batteries The G TECTA 4GP Portable Multi Gas Detector has two battery options Li ion rechargeable or non rechargeable batteries Rechargeable Batteries G TECTA 4GP uses a Li ion battery pack and should arrive with sufficient charge so that the unit can be used straight out the box However to attain the full operating time you should charge the battery The actual operating time will dep...

Page 6: ...ment Note During the start up sequence the next calibration date will be displayed If the calibration due date has expired the G TECTA 4GP instrument will display a warning message that calibration is due As a default the instrument can still function however the G TECTA 4GP can be configured to automatically shut down using G TECTA PC software if required The Linde Group strongly recommends that ...

Page 7: ...ou have been trained in your site health and safety procedures Screen Icons Confidence Signals To give you added confidence the instrument is operating correctly the G TECTA 4GP will every 10 seconds 1 Sound a short beep 2 Flash a blue LED In addition the 3 icon will flash on the display Display Symbols Battery When the battery is fully charged the battery icon will show 6 black bars When the batt...

Page 8: ...e instrument is lowered into a potentially hazardous environment instead of using a sampling hose and also for viewing peak gas exposure at the end of a shift The TWA menu option displays the 8 hour time weighted average reading for toxic gases since the unit was last switched on Zero The Zero menu option will reset the sensor in the instrument When the zero function has been completed the instrum...

Page 9: ...mbol will change to an egg timer to indicate that the sensor is warming up At the end of the warm up period and assuming the instrument is in fresh air the sensor will revert to a numeric display Note If the instrument is still in the hazardous area when the sensor is re set the sensor will revert to an over range alarm The G TECTA 4GP can optionally be configured to force the operator to switch t...

Page 10: ...logged every 15 minutes whilst the instrument is operating Batteries Rechargeable Batteries The re chargeable batteries in the G TECTA 4GP are Lithium Ion batteries The batteries will re charge in 6 hours when fully discharged The battery life is 12 hours when the instrument has 3 or more sensors and a pump installed G TECTA 4GP Battery Chargers There are 3 battery charger options for the G TECTA ...

Page 11: ...he battery pack 3 Remove the bottom cover using an Allen Key and remove the battery pack from the bottom of the instrument 4 Replace the three AA batteries 5 Reinsert the battery pack into the instrument replace and securely fasten the back cover WARNING G TECTA 4GP uses 3 AA batteries To maintain compliance with instrument certification ensure only the following LR6 battery types are used Energis...

Page 12: ...the gas in nozzle and out through the gas out nozzle 4 To remove the flow cap unscrew the thumbscrew and lift it away from the instrument Diffusion Non Pumped Instruments A flow cap must be fitted over the sensors on the front of the instrument a hose fitted onto the flow cap gas in nozzle and an aspirator bulb fitted onto the gas out nozzle 1 To fit the flow cap slide the top of the flow cap into...

Page 13: ...peration Test gases of known composition compatible with the settings on the instrument sensor modules need to be applied to verify sensor response and alarm function Note Please see The Linde Group data sheet Gas Detector Calibration Frequency for further advice on bump testing and calibration The Linde Group manufactures and supplies Gas Test Cylinders under numerous global product brands includ...

Page 14: ...e checked periodically with known concentration of calibration gas Failure to check accuracy can lead to inaccurate and potentially dangerous readings There are three methods of instrument calibration available G TECTA 4GP calibration can be performed directly on each instrument one button calibration by utilising G TECTA PC software or by using the Linde G DOCKA Hub Certified calibration gases sh...

Page 15: ...ration at six monthly intervals G TECTA 4GP Instrument with Ozone O3 Sensor Due to the reactive nature of ozone O3 special procedures should be followed when calibrating gas detectors that incorporate an ozone sensor Fittings For ozone calibrations all fittings and pipe work should be stainless steel brass aluminium or PTFE Fittings or pipe work in other plastic materials such as Tygon must not be...

Page 16: ... TECTA PC software options screen and note the ports available ii Switch on the G TECTA 4GP instrument and align the instrument infrared port with the infrared adaptor iii Check the available communications ports available again and select the new port or port 4 5 or 6 and save your changes by clicking the save button on the bottom right of the options screen iv Close the G TECTA PC software Note ...

Page 17: ...nfigured Re configure instrument Send to Linde Group service centre G TECTA 4GP Product Specification Dimensions 122 x 128 x 57 mm Weight 498g with attachment clip 4 sensors IP Rating Dusts Liquids IP65 NEMA 4 Operating Temperature Rating 20 C Ta 55 C 4 F Ta 131 F Humidity Rating 20 90 RH non condensing continuous operation Display 128 x 64 Pixel with backlight Warm up time period Approx 45 second...

Page 18: ...r 230V 50Hz Australia AS4GPBC10US G TECTA 4GP 10 way multi charger with 90 260V in line power supply US Mains lead AS4GPBC10UK G TECTA 4GP 10 way multi charger with 90 260V in line power supply UK Mains lead AS4GPBC10EU G TECTA 4GP 10 way multi charger with 90 260V in line power supply EUR Mains lead AS4GPBC10AU G TECTA 4GP 10 way multi charger with 90 260V in line power supply Australia ASGTAHK2 ...

Page 19: ... and return instrument for service Auto Zero failure Instrument zeroed in contaminated atmosphere Switch off instrument and restart in clean air Alarm preventing Auto Zero Instrument zeroed in contaminated atmosphere Switch off instrument and restart in clean air Calibration expired Calibration due date has passed Return instrument for calibration Flow fail Clear blockage Sample hose is blocked wa...

Page 20: ...idity can cause problems The sensors are rated for an average ambient humidity of 20 90 R H However the sensors are commonly used from the tropics to deserts to tundra without any functional issues Water should not be allowed to collect on the sensor as this may impede gas diffusion Persistent exposure to high levels of toxic gas will shorten the life of a toxic sensor If the high level gas is cor...

Page 21: ...CTA 4GP Certification BASEEFA09ATEX0246 IECEx BAS 09 0118 Applicable Directives Electromagnetic Compatibility 2004 108 EC Explosive Atmospheres 94 9 EC Notified Body Baseefa 1180 Buxton UK Provisions of the Directive fulfilled by the product Group II Category 2G Ex ia d IIC T4 Gb 20 C Ta 55 C IP65 Rechargeable instrument Group II Category 2G Ex ia d IIC T3 Gb 20 C Ta 55 C IP65 Replaceable battery ...

Page 22: ...ICULAR PURPOSE THE LINDE GROUP WILL NOT BE LIABLE FOR LOSS OR DAMAGE OF ANY KIND CONNECTED TO THE USE OF ITS PRODUCTS OR FAILURE OF ITS PRODUCTS TO FUNCTION OR OPERATE PROPERLY Damage to combustible gas sensors by acute or chronic exposure to known sensor poisons such as volatile lead aviation gasoline additive hydride gases such as phosphine and volatile silicone gases emitted from silicone caulk...

Page 23: ...23 Notes ...

Page 24: ...of going to print Denmark AGA A S Vermlandsgade 55 2300 København S Tel 45 32 83 66 00 Estonia Eesti AGA AS Pärnu mnt 141 11314 Tallinn Tel 372 6504 500 Finland Oy AGA Ab Itsehallintokuja 6 02600 Espoo Tel 358 0 10 2421 Island ISAGA Breidhofda 11 110 Reykjavik Tel 354 577 3000 Latvia AGA SIA Katrīnas iela 5 Rīga 1045 Tel 371 80005005 Lithuania AGA UAB Office Didlaukio st 69 08300 Vilnius Tel 370 5...

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