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3 Operation

3.2.4

Measuring in bar holes

Area of use

– Measuring the gas concentration in the ground for:

–

Determining gas dispersion (detection limit)

–

Locating a probable gas escape (repair point)

– Preventing possible dangers

Symbol

Unit

– % vol.

Measuring range

Thermal

conductivity sensor

0.0 to 100 % vol.

Measurement data display

Fig. 8: Measuring in bar holes

measuring mode

– Digits, e.g. 0.6 % vol. H

– Bar graph with quasi-logarith-

mic scale

Содержание VARIOTEC 460 Tracergas

Страница 1: ...VARIOTEC 460 Tracergas Operating instructions 20 04 2016 a 106924 en...

Страница 2: ...unction keys Jog dial Connector Display Measured value Battery capacity Selected application Bar graph Alarm Unit Gas type Current assignment of function keys F1 F3 Supporting bracket Fig 1 VARIOTEC 4...

Страница 3: ...ncel Tab jump to next input field Buzzer off 0 Set zero point Stop measurement Information Clear Open stored comments Open stored inspectors Battery capacity Applications Inspection above ground House...

Страница 4: ...sers which could present health risks or result in bodily injury A WARNING Indicates a hazardous situation for users which could result in serious injury or death Note Indicates tips and useful inform...

Страница 5: ...on 11 3 1 4 Selecting switching applications 13 3 1 5 Differences between measuring mode and settings mode 14 3 2 Measuring mode 14 3 2 1 Accessing the menu measuring mode menu structure 15 3 2 2 Zer...

Страница 6: ...5 1 2 Performing the device inspection 38 5 1 2 1 Accessing the device inspection 38 5 1 2 2 Concluding the device inspection 39 5 1 3 Testing the general status 41 5 1 3 1 Housing 41 5 1 3 2 Signals...

Страница 7: ...2 Thermal conductivity sensor TC for H2 54 7 6 Technical information 55 7 6 1 Sensitivity of the gas sensitive semiconductor SC 55 7 6 2 Electrostatic charge 55 7 6 3 Identification sticker back of de...

Страница 8: ...nn Sewerin GmbH may be used when performing repairs Use only suitable battery types otherwise the device will not be explosion proof Changes or modifications to this product may only be carried out wi...

Страница 9: ...ethod e g in filling stations Measuring the hydrogen content in air or nitrogen All tasks that can be performed with the device are assigned to applications For more detailed information please see Se...

Страница 10: ...ecialist knowledge is required to operate the device The device is intended for measuring hydrogen H2 It should not be used for Measuring toxic and corrosive gases Monitoring liquids Warning against e...

Страница 11: ...be explosion proof Only probe hoses with a hydrophobic filter may be used Exception If the probe has a built in hydrophobic filter the hose does not require any other filters Devices may only be teste...

Страница 12: ...nderground laid in floors Measuring very low gas concen trations above ground or above the floor above possible leakage points Inspection above ground In the ground Measuring the gas concentration for...

Страница 13: ...ver Owing to its physical properties hydrogen has the ability to pen etrate other materials e g screed concrete This penetrating power is used to locate gas leaks in closed systems with a gas measurin...

Страница 14: ...sappears automatically if the level falls below the alarm threshold Alarm If the measured hydrogen gas concentration exceeds specified limit values alarm thresholds the device gives a warning It emits...

Страница 15: ...tant signal option the cycle speed is always inde pendent of the measured gas concentration The interval between two signals is always constant The default setting at delivery is dynamic signal If the...

Страница 16: ...evice with carrying bag TG8 EC type examination certificate T V 07 ATEX 553353 X A WARNING It is essential to observe the following points to ensure that the device is explosion proof Only ever open t...

Страница 17: ...F1 F2 F3 Press Variable As indicated on the display at the bottom of the screen Function keys may also have no function assigned in some cases Jog dial Turn Selects functions settings measurement data...

Страница 18: ...switching applications in Section 3 1 4 on page 13 Exiting menus menu items There are generally two ways to exit open menus menu items and return to the next level up Press Esc Select Exit from the me...

Страница 19: ...for next application that can be selected via function key F3 Measuring in bar holes The device switches to measuring mode The device warms up The reading flashes While the device is warming up the pr...

Страница 20: ...ght shows the next ap plication that can be selected via function key F3 You can specify which application is activated first when the device is switched on in the Settings under System see Section 3...

Страница 21: ...n also be retrieved Measurements cannot be taken in settings mode Settings are accessed via the menu in measuring mode The settings are access protected by a PIN code A CAUTION The device only issues...

Страница 22: ...nt In some applications this menu item is called Save measurement You can find detailed information on starting stopping and saving measurements in Section 3 2 8 on page 21 3 2 2 Zero point The zero p...

Страница 23: ...Press Menu 2 Select Zero point from the menu The values are automatically adjusted The device returns to measuring mode In the Inspection above ground and House applications the Setting zero point fun...

Страница 24: ...ors Measurement above ground above the floor or above possi ble leakage points Symbol Unit ppm parts per million vol Measuring range Gas sensitive semiconductor 0 0 to 10 000 ppm Thermal conductivity...

Страница 25: ...ning gas dispersion detection limit Locating a probable gas escape repair point Preventing possible dangers Symbol Unit vol Measuring range Thermal conductivity sensor 0 0 to 100 vol Measurement data...

Страница 26: ...ting the source of gas Finding leaks at internal connections Leak testing of industrial components Symbol Unit ppm parts per million vol Measuring range Gas sensitive semiconductor 0 0 to 10 000 ppm T...

Страница 27: ...systems Purging to demonstrate purity or absence of gas e g when commissioning decommissioning gas systems Symbol Unit vol Measuring range Thermal conductivity sensor 0 0 to 100 vol Measurement data...

Страница 28: ...les House Gas measuring Difference between starting stopping and saving Selecting Start measurement followed by Stop measurement saves a measurement plot Selecting Save measurement saves an individual...

Страница 29: ...ement OR a Press Menu b Select Stop measurement from the menu 2 Answer Yes to the warning prompt 3 Enter a comment for the measurement a Select the characters required using the jog dial Confirm each...

Страница 30: ...nfirm each character using the jog dial OR Press Open stored comments A list of the stored com ments will appear Select the desired comment Open the comment with OK b Then confirm your entry selection...

Страница 31: ...nd the indication accuracies Device inspection only appears in the menu when the integrated device inspection is switched on Note The integrated device inspection is switched off in the factory settin...

Страница 32: ...ettings see Section 3 3 3 on page 28 to Section 3 3 7 on page 31 Adjustment System Alarms Date time Memory You can find information on selecting and exiting menus and menu items in Section 3 1 2 on pa...

Страница 33: ...to right The active digit is always displayed with a black background Digit To change To confirm 1st digit Turn the jog dial Push the jog dial 2nd digit Push the jog dial 3rd digit Push the jog dial...

Страница 34: ...H2 PPM Adjustment H2 Test gas Inspection OK Exit System PIN Code Service interval Display Battery Autostart Device inspection Reset Language Exit Alarms Date Time Memory Clear Interval Memory mode Ex...

Страница 35: ...forma tion is provided in Section 5 2 on page 44 H2 PPM adjustment Used to set the gas sensitive semiconductor for hydrogen H2 in the ppm range Applications Inspection above ground House H2 adjustment...

Страница 36: ...terval Specifies the regular inspections maintenance required for the device You can also activate the automatic switch off function once the set interval has passed Display Used to set how long the d...

Страница 37: ...s occurs at the end of the measuring range There is detailed information on alarms in Section 7 2 on page 51 ALPPM Sets the alarm threshold for exceeding significant gas concentra tions in the ppm ran...

Страница 38: ...rotocols The different protocol types must each be cleared separately All protocols in one protocol type are cleared at once You can find information on clearing individual protocols in Sec tion 3 2 9...

Страница 39: ...teries 4 1 Suitable disposable rechargeable battery types A WARNING To ensure that the device remains explosion proof as per 5 only the following disposable rechargeable batteries may be used Batterie...

Страница 40: ...A note to this effect is shown on the display 4 2 Operation with rechargeable batteries The operating time of the device depends on the battery capacity If the device is not used or not kept in the do...

Страница 41: ...charge the battery before recharging it again A full discharging and recharging process takes approx 11 hours 8 hours to discharge 3 hours to recharge The duration de pends on the capacity of the rech...

Страница 42: ...he battery compartment on the back of the device 1 Loosen the two screws securing the battery compartment Re move the screws by repeatedly turning them alternately a short way this ensures that the ba...

Страница 43: ...e The device inspection includes the following tests Analysis of the general status see Section 5 1 3 on page 41 Test of the indication accuracy with supply of fresh air see Section 5 1 4 Test of the...

Страница 44: ...ssed via the menu Fig 6 The results of the device inspection are stored in the device as a protocol The device inspection protocols can be opened in the device at any time see Section 3 2 9 on page 24...

Страница 45: ...y order you wish You can repeat the tests as often as you wish provided you have not yet concluded the device inspection for a group 5 1 2 Performing the device inspection 5 1 2 1 Accessing the device...

Страница 46: ...inspections can be saved The following information can be stored along with the device inspection Inspector e g inspector s name or initials Password to protect the protocol from being accessed by un...

Страница 47: ...password for the device inspection The device inspection is saved as a protocol An overview with the device inspection results is displayed This overview includes a list of all gas types for which th...

Страница 48: ...spection The device inspection has been opened see Section 5 1 2 1 1 Select General status from the Dev Test menu 2 Test all associated subitems as described in Section 5 1 3 1 to Section 5 1 3 5 3 Co...

Страница 49: ...visual inspection 1 Unscrew the gas input 2 Remove the fine dust filter 3 Check that there is no dirt in the fine dust filter As soon as there are any signs of deposits the filter must be replaced If...

Страница 50: ...n 7 3 on page 52 Move the device somewhere else and repeat the test If the Status OK message still does not appear when the test is repeated the device must be re adjusted see Section 5 2 5 1 5 Testin...

Страница 51: ...ons Measurement values outside the specified limit values see Section 7 3 Adjustment required see Section 5 2 Changing the test gas concentration If no test gas with the specified concentrations is av...

Страница 52: ...ustment Zero point Measuring range sensitivity H2 PPM adjustment H2 adjustment Fresh air H2 in synthetic air 1 ppm 10 ppm 100 ppm 1000 ppm 1 00 vol H2 in N2 5 100 vol It is not necessary to use all te...

Страница 53: ...mation on adjustment for example test gas concentration installation date of the sensor date of last adjustment under Information The symbol appears after the corresponding Adjust ment menu item has b...

Страница 54: ...ce to the test set 2 Open the settings see Section 3 3 1 on page 25 3 Select Adjustment from the menu 4 Select the desired adjustment e g H2 PPM adjustment 5 Select the menu item that specifies the se...

Страница 55: ...device to SEWERIN for repairs and for annual main tenance Note If there is a service agreement in place the device can be ser viced by the mobile maintenance service The inspection plate on the devic...

Страница 56: ...on 8 No calibration PPM sensor adjustment H2 ppm adjustment required see Section 5 2 on page 44 10 Adjustment failed Test gas Check test gas see Section 5 2 on page 44 52 XFLASH SEWERIN Service Error...

Страница 57: ...250 mbar Volume flow approx 50 l h Interface USB Memory 8 MB Operation ON OFF key 3 function keys jog dial Operating conditions Operating temperature 20 C 40 C Storage temperature 25 C 60 C temperatu...

Страница 58: ...le signal Visual signal ALEOS notification on display Reading flashes Acknowledge ment Not possible Reset Automatic when level falls below ALEOS alarm threshold By switching device off ALPPM Type Warn...

Страница 59: ...bar holes 100 vol House 5 vol 0 5 ppm Gas measuring 100 vol 7 3 Limit values for the device inspection Application Gas Zero point Sensitivity Specifica tion Deviation Specifica tion Deviation Inspecti...

Страница 60: ...le is saved after each Start measurement Stop meas urement cycle regardless of whether the memory capacity is exhausted Each file has a maximum memory capacity of 1800 data records This means that a f...

Страница 61: ...times up to 5 min Measuring error 30 short time Interference at 20 C 1 vol CH4 50 ppm maximum 1 vol C3H8 10 ppm maximum 40 ppm CO 2 ppm maximum 1 vol C2H6O ethanol 2 ppm maximum 3500 ppm benzene 10 p...

Страница 62: ...hloroethene for example also lowers the sensitivity of the sensors but they can be regenerated 7 6 2 Electrostatic charge Avoid electrostatically charging the device Electrostatically un earthed objec...

Страница 63: ...56 7 Appendix 7 6 4 Cleaning The device must only be cleaned with a damp cloth A NOTICE Do not use solvents petrol or cockpit spray containing silicone or similar substances to clean the device...

Страница 64: ...obe ZS32 10000 Probe hose ZS25 10000 e g Test gas generator PGG H2 VT10 Z1000 Test set SPE VOL PP01 90101 Test set SPE ppm PP01 40101 Test set SPE DUO PP01 60001 Test plate ZP06 10000 Consumables Part...

Страница 65: ...mann Sewerin GmbH hereby declares that the VARIOTEC 460 Tracergas fulfils the requirements of the fol lowing guidelines 2014 30 EU 2014 34 EU G tersloh 2016 04 20 Dr S Sewerin General Manager The comp...

Страница 66: ...ve ground House 3 1 Zero point Display with fresh air 3 2 Test gas 100 ppm H2 in synthetic air Display 70 150 vol 4 0 Thermal conductivity sensor Measuring in bar holes Gas measuring 4 1 Zero point Di...

Страница 67: ...scription of waste Allocated EWC waste code Device 16 02 13 Test gas can 16 05 05 Disposable battery rechargeable battery 16 06 05 End of life equipment Used equipment can be returned to Hermann Sewer...

Страница 68: ...ailable storage space is full you are prompted to confirm whether the old est file should be overwritten by the cur rent file TC Thermal conductivity sensor VOL Volume 7 12 Referenced documents The fo...

Страница 69: ...mentation 37 Frequency 36 Integrated 37 Limits 52 Order 38 Performing 38 Scope 36 Switching on 38 Display 29 Display contrast 29 Display illumination 29 Disposable battery 29 Replacing 35 Requirements...

Страница 70: ...enu structure 15 27 O Open stored comments 21 Open stored inspectors 39 Operation 10 P Password 39 PIN code 25 29 Power supply 32 Probe 42 Protocol 24 Reading 37 Protocol types 24 Pump 42 R Readout pr...

Страница 71: ...64 8 Index Thermal conductivity see Sensor Time 30 U Use Intended 3 Z Zero point 15 Adjusting 16 46...

Страница 72: ...fr sewerin sewerin fr Sewerin Ltd Hertfordshire UK Phone 44 1462 634363 www sewerin co uk info sewerin co uk SEWERIN IBERIA S L Centro de Negocios Eisenhower Avenida Sur del Aeropuerto de Barajas 28 O...

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