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5 Testing the instrument

5.2.2 EX-TEC OD 4

The

test set SPE OD

checks display accuracy:

Item. Description

Function

instrument hose

connection with:

probe connection

test heads

test gas connection

connection for:

test gas cans

pressure-hose adapter (in

conjunction with pressure

cylinder and pressure reducer

reducer

pressure indication

Display of actual pressure inside

the test gas can

release key

release of test gas

connection hose

connection with:

instrument hose

Fig.: Test set SPE OD

Содержание Ex-Tec GM 4

Страница 1: ...Operating Instructions ...

Страница 2: ...t any time Yours Hermann Sewerin GmbH Robert Bosch Straße 3 33334 Gütersloh Germany Tel 49 5241 934 0 Fax 49 5241 934 444 www sewerin com info sewerin com SEWERIN SARL 17 rue Ampère BP 211 67727 HOERDT CEDEX France Tél 33 3 88 68 15 15 Fax 33 3 88 68 11 77 www sewerin fr sewerin sewerin fr Sewerin Ltd Hertfordshire UK Phone 44 1462 634363 www sewerin co uk info sewerin co uk SEWERIN IBERIA S L Cen...

Страница 3: ...Illustration EX TEC OD 4 EX TEC OD 4 0 0 THT mg m3 Sensor head Attachment Alarm lamp LCD Buzzer Keypad Charging contacts ...

Страница 4: ...tion EX TEC GM 4 EX TEC GM 4 H2 PPM 1500 Sensor head Attachment Alarm lamp LCD Buzzer Keypad Charging contacts H2 PPM 1500 Activation Alarm thresholds Type of gas Trend bar Unit Gas concentration Battery state ...

Страница 5: ...Operating Instructions 20 04 2016 a V1 XXX 103955 en EX TEC OD 4 GM 4 ...

Страница 6: ...accessories may be used with the pro duct Only spare parts approved by us may be used for repairs Hermann Sewerin GmbH accepts no liability for damage resulting from non compliance with the foregoing The guarantee and liability provisions in the Hermann Sewerin GmbH terms of sale and supply are not extended by the foregoing We reserve the right to make changes in the context of continued techni ca...

Страница 7: ... 6 3 Measuring operation 8 3 1 Switching on 8 3 2 Operating modes 11 3 3 Alarms 16 3 4 Illumination and operating hours display 18 3 5 Battery alarm 18 3 6 Switching off 19 4 Charging and battery operation 20 4 1 Charging and charge maintenance when using NiMH batteries 20 4 2 Self dischargeand battery care 22 4 3 Battery operation 23 4 4 Instruments showing serial number 062 00 24 5 Testing the i...

Страница 8: ...date and time 42 8 3 Setting the inspection intervall 43 8 4 Setting the inspection block 46 8 5 Setting the PIN 47 8 6 Setting the alarm thresholds 48 8 7 Setting the user name 51 8 8 Setting the language 53 8 9 Leaving the system menu 53 9 Hardware menu 54 9 1 Menu structure 54 9 1 1 EX TEC GM 4 54 9 1 2 EX TEC OD 4 55 9 2 Setting the battery type 56 9 3 Setting the illumination time and contras...

Страница 9: ...0 4 Leaving the memory menu 65 11 Technical aspects 66 11 1 Technical notes 66 11 2 Technical data 68 11 3 Error messages 79 11 4 Consumables 80 11 5 Hints on Disposal 81 12 Delivery variants and accessories 82 12 1 Delivery variants 82 12 2 Accessories 84 13 Appendix 90 13 1 EU declaration of conformity 90 13 2 Inspection protocol 91 13 3 EX TEC OD 4 GM 4 operating instructions in brief 92 ...

Страница 10: ...be immediately detected the gas is odorised a strong smelling sub stance is added to it The substances used are organic sulphur compounds and acrylates The most widespread currently being tetrahydrothiophene THT and tertiary butyl mercaptan TBM DVGW worksheet G 280 sets the minimum values for odorant concentration at 10 mg of THT m3 and 3 8 mg of TBM m3 This worksheet also requires the operator of...

Страница 11: ... batteries 1 1 4 Boundary conditions for measurement and sampling As well as all sulphur compounds the electrochemical measure ment cell also reacts very strongly to moisture Even though this is rarely important when carrying out measurements in a gas distribution network operators should not blow through sampling hoses to clear them When sampling it is essential to ensure that there are no connec...

Страница 12: ... a hand held instrument for the measurement of tetrahydrothiophene THT or tertiary butyl mercaptan TBM It is available in pump and diffusion versions The following sensors are available Sensor range principle THT 0 100 mg m3 electrochemical TBM 0 100 mg m3 electrochemical ...

Страница 13: ...Passive explosion protection The EX TEC OD 4 has been tested for explosion protection in accordance with European norms CENELEC EC prototype test certificate TÜV 01 ATEX 1657 Identification II2G Ex e ib IIB T4 Gb Testing institution TÜV NORD CERT GmbH Hannover ...

Страница 14: ...sulphide H2S 0 2000 ppm Ammonia NH3 0 100 ppm Oxygen O2 0 25 vol Hydrogen chloride HCI 0 30 ppm 1 2 1 Test certificates Passive explosion protection The EX TEC GM 4 has been tested for explosion protection in accordance with European norms CENELEC EC prototype test certificate TÜV 01 ATEX 1657 Identification 1 II2G Ex e ib IIB T4 Gb basic instrument without leather case for all gases except hydrog...

Страница 15: ...rature range may be wider see section 11 2 Technical data CAUTION The EX TEC OD 4 GM 4 must not be recharged or its battery compartment opened in areas exposed to the danger of explosion CAUTION Test gases may only be used in well ventilated spaces CAUTION The EX TEC OD 4 GM 4 satisfies the limits of the EMV regulation When using it near mobile radio equipment please also observe the instructions ...

Страница 16: ...N The EX TEC GM 4 with the hydrogen sulphide H2S sensor 0 2000 ppm is a pure measuring instru ment the warning operating mode is not available Please note that the human sense of smell fails at concentrations of 100 ppm of H2S and above Con centrations of over 500 ppm of H2S lead to very seri ous damage to health uncoordinated movements unconsciousness respiratory failure and death It is thus esse...

Страница 17: ...onds z z the optical and acoustic control signals items 1 and 7 operate for about 3 seconds z z the LC display illumination automatically switches on z z pump instruments the inte gral pump runs at constant power Opening screen z z display of version number V1 001 instrument type GM 4 sensor type H2 27 11 2000 12 37 Stadtwerke GT Heinz Muster Abt TDLL 24 4 V1 001 EX TEC GM4 H2 Date time z z displa...

Страница 18: ...lay of battery charge level gas here H2 operating mode here measurement range here 0 1 00 vol Other possible settings can be found in section 9 4 Autostart z z display of the day the sensor was fitted z z display of expected sensor life Symbols z z available operating hours are displayed 5 hours 5 bars symbol battery z z measurement is under way symbol eggtimer z z all alarm thresholds are acti va...

Страница 19: ...rrent and inspection dates the intermit tent or continuous alarm may also be triggered items 1 and 7 z z clearing the alarm with the on off key or waiting for 15 seconds switches to mea suring operation Note If the EX TEC OD 4 GM 4 now automatically switches off the inspection date has passed with the inspection block switched on cf section 8 0 System menu The instrument does not revert to measuri...

Страница 20: ...nt gas concentration is displayed as a figure e g 1500 PPM H2 as a trend bar z z every 5 seconds an operating signal both acoustic item 7 and optical item 1 is emitted to confirm that the instrument in functioning in the warning operating mode If this ope rating signal is not emitted you cannot be sure that the gas concentration is being properly monitored and must leave the endangered area withou...

Страница 21: ...on in natural gas z z Measuring the odorant concentration in the air in odorising plants z z Before sampling observe the sufficient flush of intake Sampling hoses To ensure that the sample always passes through the EX TEC OD 4 at an adequate rate there are different sampling hoses for each of the possible pressure ranges These are colour coded as follows Colour Pressure range Part Nr black 20 50 m...

Страница 22: ...imits Warning selects the WARNING ope rating mode Measurement selects the MEASUREMENT operating mode H2 0 1 00 Vol H2 0 1 00 VOL AL1 0 4 VOL AL2 0 8 VOL H2 PPM 1500 pin point 0001 â pin point 0001 02 07 02 13 58 1500 PPM â Saving The gas concentration meas ured can be saved and assigned to a measurement location After the number of the measurement location has been entered the mea surement locatio...

Страница 23: ...asuring operation z z then press the on off key to confirm your selection Note If the selection is not confirmed with the on off key the instrument reverts to its previous operating mode after about 10 seconds ...

Страница 24: ...d to a measurement location and saved z z These data can subsequently be read out and analysed with the PC analysis software available separately z z If no measurement location is entered within 10 seconds the measurement is lost 0 0 THT mg m3 0 0 THT mg m3 14 5 THT mg m3 pin point 0012 5 4 2002 8 50 16 5 mg m3 012 0 pin point store 16 5 mg m3 No Yes pin point 5 4 2002 8 50 16 5 mg m3 Possibilitie...

Страница 25: ... ppm AL1 alarm example H2 z z if this alarm threshold is exceeded the result is optical alarm item 1 acoustic alarm item 7 at 2 Hz LCD item 2 lights up AL1 appears in the LCD z z the 2 Hz intermittent tone is quite different from the ope rating signal z z the acoustic AL1 alarm can be cleared by briefly pressing the on off key but the optical alarm item 1 continues z z if the concentration falls b...

Страница 26: ...1 acoustic alarm item 7 at 5 Hz LCD item 2 lights up AL2 appears in the LCD z z the rapid intermittent tone at 5 Hz is quite different from the operating signal z z the AL2 alarm cannot be cleared z z if the concentration falls below this alarm threshold the alarm becomes an AL1 alarm which can be cleared H2 AL2 VOL 0 8 ...

Страница 27: ... operating hours e g 5 hours are dis played z z this display battery symbol and bars and the illumination switch off automatically after about 10 seconds 3 5 Battery alarm z z the battery symbol appears in the LC display and the ope rating signal sounds at twice its normal rate z z you now have at least another 15 minutes operating time available z z after that the instrument must be charged cf se...

Страница 28: ...z hold down the on off key for about 3 seconds z z the optical and acoustical control signals items 1 and 7 are activated for about 3 seconds z z remaining operating hours are displayed in the form of the battery symbol and bars e g 5 hours 5 bars ...

Страница 29: ...n diffu sion operation The docking station HG4 is required for charging It can be used either in the workshop or in the emergency vehicle The docking station has the fol lowing connections on its side z z AC DC adapter M4 for 100 240 V z z Vehicle cable M4 12 V mount ing z z Vehicle cable M4 12 V mobile z z Vehicle cable M4 24 V mount ing z z You can operate up to 5 dock ing stations with one 100 ...

Страница 30: ...ent now has 5 operating hours left 5 bars and needs another 4 hours to reach full charge z z if it is fully charged all the bars appear and the digital display disappears 04 Charge maintenance Once the instrument is fully charged it switches automatically to charge maintenance It can be left in the docking station until the next time it is needed ...

Страница 31: ...eriods of use and protracted disuse may in the long term lead to the so called memory effect which means that the actual battery capacity avai lable is less than what is shown in the display You can counteract this by fully discharging the EX TEC OD 4 GM 4 regularly e g once a month and then recharging it Switch the instrument on and place it in the docking station When it is fully discharged char...

Страница 32: ...pre served in the instrument for about 120 seconds If the battery change takes longer than this you will have to re enter both values next time it is switched on No other data will be lost z z An EX TEC OD 4 GM 4 fitted with non rechargeable alkaline batteries cannot be charged If you try to do so a warning message is displayed and the instrument must be removed from the docking station The value ...

Страница 33: ... AA z z The creepage distance and air gap between the poles must not be less than 0 5 mm in accordance with EN 60079 7 2003 Kap 5 7 2 1 17 z z Alkaline batteries must comply with EN 60086 1 type LR6 Rechargeable battery requirements z z Battery size Mignon AA z z The creepage distance and air gap between the poles must not be less than 0 5 mm in accordance with EN 60079 7 2003 Kap 5 7 2 1 17 z z T...

Страница 34: ...heet G 465 4 The instrument tests prescribed by DVGW worksheet G 465 4 Technical information note are divided into the following sec tions Testing also covers accessories used with the instru ments What Who When function test user before use display accuracy test adjustment expert or special ist firm daily to half yearly upkeep maintenance re pair if necessary SEWERIN expert authorised special ist...

Страница 35: ...ust be maintained at least once a year by SEWERIN Service a specialist firm authorised by SEWERIN or a SEWERIN authorised expert Certificates must be issued accordingly The test disc on the instrument confirms when maintenance was last carried out and indicates the next scheduled date Annual maintenance and repair must cover at least the specialist care and adjustment of the instrument and the rep...

Страница 36: ...Test set SPE HG Item Description Function A instrument hose connection with z z probe connection z z test heads B test gas connection connection for z z test gas cans z z pressure hose adapter in conjunction with pressure reducer C pressure indication Display of actual pressure inside the test gas can D release key release of test gas E connection hose connection with z z instrument hose ...

Страница 37: ...onnection z z test heads B test gas connection connection for z z test gas cans z z pressure hose adapter in conjunction with pressure cylinder and pressure reducer reducer C pressure indication Display of actual pressure inside the test gas can D release key release of test gas E connection hose connection with z z instrument hose Fig Test set SPE OD A B C E D ...

Страница 38: ...n synthetic air TBM zero point sensitivity fresh air z B 10 mg m3 in synthetic air Carbon monoxide CO zero point sensitivity fresh airt z B 30 ppm in synthetic air Hydrogen H2 zero point sensitivity fresh air 1 vol in synthetic air Hydrogen sulphide H2S zero point sensitivity 0 100 ppm and 0 2000 ppm fresh airt 40 ppm in N2 Ammonia NH3 zero point sensitivity fresh air 50 ppm in N2 Oxygen O2 zero p...

Страница 39: ...g down any key z z we recommend replacing the pump filter of pump instruments on a regular basis cf section 11 4 Consumables Changing the pump filter with the EX TEC OD 4 GM 4 switched off Undo and remove the sensor cap and extract the sensor from its holder Now remove the pump filter the white disc 4 mm in diameter and replace it with a new one The sensor with rubber seal and sensor cap can now b...

Страница 40: ...0 mg m3 1 0 mg m3 Carbon monoxide CO 3 ppm 3 pppm Hydrogen H2 40 ppm 40 ppm Hydrogen sulphide H2S 0 100 ppm or 0 2000 ppm 3 ppm 3 ppm or 20 ppm 20 ppm Ammonia NH3 3 ppm 3 ppm Oxygen O2 0 5 vol 0 5 vol Hydrogen chloride HCI 1 ppm 1 ppm If display values are outside these tolerances the pertinent sensor must be readjusted cf section 7 Adjustment menu ...

Страница 41: ... of the SPE OD Now begin a measurement The display values given in this table must be reached when the test gases listed in section 5 3 are administered Gas Toleranz THT 90 110 of the test gas TBM 90 110 of the test gas Carbon monoxide CO 27 33 ppm Hydrogen H2 0 9 1 1 vol Hydrogen sulphide H2S 0 100 ppm or 0 2000 ppm 36 ppm 44 ppm or 20 60 ppm Ammonia NH3 45 55 ppm Oxygen O2 20 4 21 4 vol Hydrogen...

Страница 42: ...xit system Date time date format INS interval INS block PIN code AL1 alarm AL2 alarm unit VOL user name language exit hardware battery accu capacity back light contrast autostart level PPM range type of gas sensor install pump LCD test reset exit memory clear interval exit exit measuring operation 6 Info menu 6 1 Menu structure ...

Страница 43: ...n at constant power z z you are now on the INFO menu item cf menu structure z z you must now enter your PIN cf section 8 5 Setting the PIN factory setting 0001 pressing one of the cursor keys changes the value of the highlighted digit pressing the on off key saves this value z z only then do you have access to all menu items z z you are now on the adjust ment menu item cf menu structure 0PPM PIN 0...

Страница 44: ...ne of the cursor keys to navigate within the Info menu This applies to all menu and submenu areas z z press the on off key to select the highlighted submenu z z if you select the menu item Back the instrument reverts to measuring operation ...

Страница 45: ...itly in section 7 2 2 The EX TEC OD 4 is adjusted for THT or TBM as per the H2 adjust ment but the test set SPE OD is used with the test and probe head OD4 plug connection and the connection hose supplied with the test set has to used as well 7 1 Menu structure 7 2 Sensor adjustment 7 2 1 Setting the H2 sensor 0 ppm This function resets the zero point z z carry out the adjustment in fresh air z z ...

Страница 46: ...able value z z press the on off key to confirm 7 2 2 Setting the O2 sensor 0 vol z z use the test set SPE HG the test head HG4 and 100 vol CH4 or CO2 test gas cf section 5 Testing the instrument z z place but do not screw the test head on the EX TEC GM 4 and hold the release key down until the displayed concentra tion has reached a stable value z z press the on off key to confirm 20 9 vol z z carr...

Страница 47: ...he concentration must be set ac cordingly Test gas z z briefly pressing the on off key brings you to the test gas ad justment for the ppm range z z the current concentration is displayed e g the factory setting 100 PPM for hydrogen H2 z z you can enter the required concentration digit by digit by pressing one of the cursor keys and pressing the on off key to confirm ...

Страница 48: ...50 ppm increment 1 ppm Hydrogen H2 adjustment range 100 10 000 ppm increment 20 ppm Hydrogen sulphide H2S 0 100 ppm adjustment range 10 100 ppm increment 1 ppm Hydrogen sulphide H2S 0 2 000 ppm adjustment range 40 2 000 ppm increment 10 ppm Ammonia NH3 adjustment range 50 100 ppm increment 1 ppm Oxygen O2 adjustment range 17 0 22 0 vol increment 0 1 vol Hydrogen chloride HCI adjustment range 10 25...

Страница 49: ...ey z z this date is stored as a function of the set date cf section 8 2 Setting the date time z z the next inspection or adjustment date is calculated in accord ance with the set inspection interval cf section 8 3 Setting the inspection interval 7 5 Leaving the adjustment menu Back This function switches you back to the Info menu z z press the on off key to confirm ...

Страница 50: ... DD INS interval week 00 INS block no yes PIN code PIN 0001 AL1 alarm conc in PPM or mg m3 AL2 alarm conc in PPM or mg m3 unit VOL VOL VOL GAZ user name Gasversorgung Musterstadt Otto Mustermann language Deutsch English Français Italiano exit system 8 System menu 8 1 Menu structure ...

Страница 51: ... dis played z z press one of the cursor keys to change the value of the highlighted digit to the current value z z press the on off key to save the value of the highlighted digit Date format This function sets the date display format DD MM YYYY e g 31 01 2001 YYYY MM DD e g 2001 01 31 z z press one of the cursor keys to select one of the settings z z press the on off key to save the selected setti...

Страница 52: ...uled inspection and adjustment dates This reminder is based on the inspection interval z z the last interval to be set is displayed z z press one of the cursor keys to change the interval in week ly increments range 0 52 weeks z z press the on off key to save the set interval INS interval weeks 0 0 ...

Страница 53: ... 1 week before 02 03 2004 08 03 2004 LCD When switched on a hint on the ap proaching inspection appears as 4 picture for approx 3 secs lamp buzzer inactive instrument the instrument then automatically switch es to measuring operation During inspection period 09 03 2004 15 03 2004 LCD When switched on a hint on the due inspection appears as 4 picture for ap prox 10 secs lamp buzzer interval light s...

Страница 54: ...ON OFF key or one of the cursor keys OR z z automatically after 10 seconds Lock deactivated INS lock no instrument switches to measuring operation z z by pressing ON OFF key OR z z automatically after 10 seconds How does the instrument deteremine the next inspection date After an inspection has been effected it has to be confirmed see chapter 7 4 Thereby the internal inspection routine is started ...

Страница 55: ...ction 8 3 Setting the inspection interval After that the instrument cannot be operated until the inspection has been carried out and confirmed cf section 7 4 Inspection confirmation z z briefly pressing the on off key brings you to the inspection block routine z z the last setting is displayed e g No block inactive Yes block active z z you can set the desired con dition by pressing one of the curs...

Страница 56: ...n off key brings you to the PIN setting routine z z the last PIN to be set 0001 factory setting appears in the LC display z z we recommend you to use a different PIN z z by pressing or holding down one of the cursor keys and and confirming with the on off key you can set each of the 4 digits from left to right to the desired PIN PIN 0000 the function is inactive every user has access to the Info m...

Страница 57: ...outine z z the current alarm threshold is displayed e g the factory set ting for H2 4000 PPM z z press one of the cursor keys to set the desired threshold and the on off key to confirm AL2 alarm z z briefly pressing the on off key brings you to the AL2 alarm threshold routine z z the current alarm threshold is displayed e g the factory set ting for H2 8000 PPM z z press one of the cursor keys to s...

Страница 58: ...O adjustment range increment 30 ppm 5 199 ppm 1 ppm 60 ppm 6 200 ppm 1 ppm H2 adjustment range increment 0 4 vol 40 9 980 ppm 1 ppm 0 8 vol 60 10 000 ppm 1 ppm H2S 0 100 ppm adjustment range increment 10 ppm 5 99 ppm 1 ppm 20 ppm 6 100 ppm 1 ppm NH3 adjustment range increment 20 ppm 1 99 ppm 1 ppm 150 ppm 2 100 ppm 1 ppm O2 adjustment range increment 18 0 vol 15 0 24 9 vol 0 1 vol 23 0 vol 15 1 25...

Страница 59: ...ressing the on off key brings you to the volume unit setting routine z z he current setting is displayed e g VOL display in VOL D GB VOL display in VOL I GAZ display in GAZ F z z press one of the cursor keys to set the required unit and the on off key to confirm ...

Страница 60: ...ting signs must be confirmed There are two possibilities of entering 1 possibility new entry no existing sign to be overwritten Entry starts with a blanc Letters A Z can be chosen in alphabetical order with button After reaching letter Z the menu starts again with letter A Letters Z A can be chosen downwards with button After letter A the additional characters 9876543210 are displayed Note The add...

Страница 61: ...A When pressing button the previous letter of the alphabet ap pears all others appear in descending order After letter A the additional characters 9876543210 are displayed The chosen letter is confirmed with the button The instrument automatically goes to the next letter After confirming the last letter of the user name the instrument returns to the system menu Note It could occur that during entr...

Страница 62: ... language of the individual menu items z z briefly pressing the on off key brings you to the language setting routine z z the available settings are displayed z z press one of the cursor keys to set the required language and the on off key to confirm 8 9 Leaving the system menu z z this function switches back to the Info menu z z press the on off key to con firm ...

Страница 63: ...tery accu NiMH Alkaline accu capacity mAh 1100 2300 back light sec 010 contrast 55 autostart warning measuring range PPM mg m3 type of gas CO 300 PPM H2 10000 PPM H2S 100 PPM H2S 2000 PPM NH3 100 PPM O2 25 0 Vol sensor install 12 06 2002 pump yes no LCD test reset no yes exit hardware ...

Страница 64: ...battery accu NiMH Alkaline accu capacity mAh 1100 2300 back light sec 010 contrast 55 autostart warning measuring range PPM mg m3 type of gas THT 0 100 mg m3 TBM 0 100 mg m3 sensor install 12 06 2002 pump yes no LCD test reset no yes exit hardware ...

Страница 65: ...ttery type to be properly set z z the last battery type set is dis played z z press one of the cursor keys to select between settings NiMH batteries rechargeable alkaline batteries non rechargeable z z press the on off key to save the battery type set If you have selected NiMH as the battery type you can enter the capacity see the information on the battery itself z z the last value set is display...

Страница 66: ... which the illumination stays on can be set indi vidually z z the last period set is dis played z z press the cursor keys to change the value in seconds range 10 240 seconds z z press the on off key to save the set value The contrast of the LCD can be set individually z z the last contrast set is dis played z z press one of the cursor keys to change the value in percent range 0 100 55 is a good wo...

Страница 67: ... is preserved even when the instrument is switched off z z briefly pressing the on off key brings you to the Autostart routine z z the last set operating mode is highlighted e g the factory setting Measurement z z press one of the cursor keys to select one of the Autostart functions z z briefly press the on off key to confirm the selected Autostart function ...

Страница 68: ...nt units 9 6 Changing the sensor The sensor in the EX TEC GM 4 can be changed The following sensors are available CO H2 H2S 100 ppm H2S 2000 ppm NH3 O2 and HCl Sensors not in use have to be stored in a special storage box Note The sensor in the EX TEC OD 4 cannot be changed and if an EX TEC GM 4 is fitted with an HCl sensor that cannot be changed either When you have changed the sensor you must en...

Страница 69: ...s CO 300 PPM H2 10000 PPM 9 6 2 Sensor installation The sensor installation date can be entered z z briefly pressing the on off key brings you to the sensor installation date routine z z the date when the sensor was installed is displayed z z press one of the cursor keys to select one of the sensors z z press one of the cursor keys to enter the date and the on off key to confirm ...

Страница 70: ...gh the probes cannot be used z z the last set condition is dis played z z press one of the cursor keys to select one of the condi tions Yes pump active No pump inactive z z press the on off key to save the set condition 9 8 Carrying out an LCD test The LCD of your EX TEC OD 4 GM 4 has a matrix display This test checks whether it is fully functional The test pattern that it generates enables the fa...

Страница 71: ...e restored to a defined initial state factory setting z z the date of the last restora tion to factory settings is dis played z z press one of the cursor keys to select one of the options No leave settings as they are Yes restore factory settings z z press the on off key to confirm the selected option CAUTION After the instrument has been restored to its original settings the adjustment must be ch...

Страница 72: ...63 9 Hardware menu 9 10 Leaving the hardware menu This function switches back to the Info menu z z press the on off key to con firm ...

Страница 73: ...terval exit memory 10 2 Clearing memory z z this function clears all saved readings z z press one of the cursor keys to select one of the options No leave the memory con tent as it is Yes clear all saved read ings z z press the on off key to confirm the selected option ...

Страница 74: ...ved every 5 seconds z z press one of the cursor keys to change the value z z press the on off key to save the new value Data memory capacity Interval capacity 1 s typ 7 h 2 s typ 15 h 5 s typ 39 h 10 s typ 78 h 20 s typ 156 h 30 s typ 234 h 60 s typ 470 h 10 4 Leaving the memory menu This function switches back to the Info menu z z press the on off key to con firm ...

Страница 75: ...not left in the docking station after charging it will have to be fully recharged again after 4 weeks at the most If the instrument will not switch on because of lack of power char ge it up and recalibrate it after a 3 day recovery period Accessories The instrument accessories fall into three main groups charging equipment test equipment and sampling hoses see section 12 2 Accessories Cleaning The...

Страница 76: ...ts like metallic housings with no earth connection for example are unprotected against charges transferred from dust aerosols and the like Battery change After a change of batteries the EX TEC OD 4 and the EX TEC GM 4 with an HCl sensor require a minimum warm up period of 15 mi nutes for a stable zero point to be reached ...

Страница 77: ...pe version number EX TEC OD 4 Serial number TBM diffusion instrument 062 04 type version number pump instrument 062 05 type version number Explosion protection CENELEC Testing institution TÜV NORD CERT GmbH Hannover Test number TÜV 01 ATEX 1657 Identification 1 II2G Ex e ib IIB T4 Gb basic instrument without leather case for all gases except hydrogen H2 Identification 2 II2G Ex e ib IIC T4 Gb basi...

Страница 78: ...t 12 hours depending on battery capacity Measurement principle electrochemical measurement cell temperature compensation zero point correction Sensor life see sensor data Operating time 20 h pump operation 50 h diffusion operation alarms and illumination reduce the op erating time Connection pressure EX TEC OD 4 20 mbar 2 bar through different hoses see page 12 Operating and storage temperature se...

Страница 79: ...Concentration Display Carbon Dioxide CO2 5 000 ppm 0 mg m3 Carbon Monoxide CO 100 ppm 2 mg m3 Carbon Oxide Sulfide COS 1 vol 10 mg m3 Ethylene C2H4 1 vol yes not defined Hydrocarbons 100 vol 0 mg m3 Hydrogen H2 1 vol 200 mg m3 Hydrogen Sulfide H2S 20 ppm 0 mg 3 Isopropanol C3H8O 200 ppm 400 mg m3 Methane CH4 100 vol 0 mg m3 Nitrogen N2 100 vol 0 mg m3 Tert Butylmercaptane 10 mg m3 10 mg m3 Triethy...

Страница 80: ...ity at 20 C Gas Concentration Display Alcohols 1 000 ppm 0 ppm Carbon Dioxide CO2 5 000 ppm 0 ppm Carbon Monoxide CO 300 ppm 0 ppm Hydrocarbons 100 vol 0 ppm unsat Hydrocarbons 1 000 ppm 0 ppm Hydrochloric Acid HCI 10 ppm 0 ppm Hydrogen H2 1 000 ppm 0 ppm Hydrogen Sulfide H2S 1 ppm 0 ppm Nitrogen N2 100 vol 0 ppm Nitrogen Dioxide NO2 1 ppm yes not defined Nitrogen Monoxide NO 10 ppm 0 ppm Operatin...

Страница 81: ...mbient temperature garanteed 24 months expected 36 months Cross sensitivity at 20 C Gas Concentration Display Alcohol 1 025 ppm 0 ppm Ammonia 100 ppm 0 ppm Carbon dioxide 10 vol 0 ppm Chlorine or bromine 5 ppm 0 ppm Benzene vapour 1 vol 0 ppm Hydrogen 1 000 ppm 250 ppm Hydrogen sulphide 20 ppm 0 ppm Nitrogen dioxide 10 ppm 0 ppm Nitrogen oxide 100 ppm 25 ppm Sulphur dioxide 10 ppm 0 ppm Operating ...

Страница 82: ...sensitivity at 20 C Gas Concentration Display Ammonia 100 ppm 0 ppm Carbon dioxide 1 000 ppm 0 ppm Carbon monoxide 50 ppm 6 ppm Chlorine 5 ppm 40 ppm Ethylene 500 ppm yes not defined Hydrocyanic acid 10 ppm 0 ppm Hydrogen sulphide 10 ppm 0 ppm Isopropanol 1 100 ppm 0 ppm Methane 1 vol 0 ppm Nitrogen dioxide 10 ppm 0 ppm Operating temperature 10 C 40 C Humidity range 10 95 r h non condensing CAUTIO...

Страница 83: ...nute Lifetime garanteed 24 months expected 36 months Cross sensitivity at 20 C Gas Concentration Display Ammonia 100 ppm 0 ppm Carbon dioxide 5 000 ppm 0 ppm Carbon monoxide 100 ppm 6 ppm Chlorine 20 ppm 1 ppm Ethylene 500 ppm 2 ppm Hydrogen 1 vol 200 ppm Hydrocyanic acid 10 ppm 1 ppm Methane 1 vol 0 ppm Nitrogen dioxide 10 ppm 0 ppm Sulphur dioxide 10 ppm yes not defined Operating temperature 20 ...

Страница 84: ...minute Lifetime garanteed 24 months expected 36 months Cross sensitivity at 20 C Gas Concentration Display Ammonia 100 ppm 0 ppm Carbon dioxide 5 000 ppm 0 ppm Carbon monoxide 100 ppm 6 ppm Chlorine 20 ppm 1 ppm Ethylene 500 ppm 2 ppm Hydrogen 1 vol 200 ppm Hydrocyanic acid 10 ppm 1 ppm Methane 1 vol 0 ppm Nitrogen dioxide 10 ppm 0 ppm Sulphur dioxide 10 ppm yes not defined Operating temperature 2...

Страница 85: ...ected 24 months Cross sensitivity at 20 C Gas Concentration Display Alcohol 1 000 ppm 0 ppm Carbon monoxide 1 000 ppm 0 ppm Carbon dioxide 5 000 ppm 0 ppm Chlorine 1 ppm 0 ppm Carbon hydride 1 vol 0 ppm Hydrochloric acid 5 ppm 0 ppm Hydrogen 1 vol 0 ppm Hydrocyanic acid 10 ppm 0 ppm Hydrofluoric acid 4 ppm 0 ppm Hydrogen sulphide 10 ppm 0 ppm Nitrogen 100 vol 0 ppm Phosphine 300 ppm 0 ppm Operatin...

Страница 86: ...e electrochemical Range 0 25 vol Response times pump instruments t90 30 sec The use of probes increases response times Warm up period about 1 minute Lifetimer garanteed 24 months expected 24 months Operating temperature 20 C 40 C Humidity range 5 95 r h non condensing ...

Страница 87: ...y at 20 C Gas Concentration Display Alcohol 1 000 ppm 0 ppm Carbon dioxide 5 000 ppm 0 ppm Carbon monoxide 1 000 ppm 11 ppm Chlorine 5 ppm 1 ppm Hydrobromic acid 1 ppm 1 ppm Carbon hydride 1 vol 0 ppm Hydrogen 1 vol 0 ppm Hydrogen sulphide 10 ppm 2 75 ppm Hydrocyanic acid 15 ppm 1 ppm Hydrofluoric acid 3 ppm 0 ppm Nitrogen 100 vol 0 ppm Phosgene 0 1 ppm 0 ppm Phosphine 0 1 ppm 0 3 ppm Sulphur diox...

Страница 88: ...in the ppm range check test gas or re peat adjustment F51 F54 system error component error witch instrument off and on again or con tact SEWERIN service F 59 voltage supply voltage outside the permitted range contact Sewerin serv ice only F100 pump power pump power too low check filters in the in strument and probes Please observe the instructions in section 9 9 Adjusting pump operation Note If an...

Страница 89: ...the sensor cap must be re moved with the screwdriver supplied with the instrument and the sensor removed H2 S filtre inside the senor head EX TEC OD 4 Change in SEWERIN service Test gas cans various concentrations for monitoring and adjustment purposes Note Test gas cans are under pressure do not store above 50 C ...

Страница 90: ...erned by the European Waste Catalogue EWC Type of Waste Corresponding EWC Code Instrument 16 02 13 Test gas can 16 05 05 Battery accu 16 06 05 Old Instruments Old instruments can be returned to Hermann Sewerin GmbH We will arrange the qualified disposal free of charge through certified specialists ...

Страница 91: ... number 062 02 Type Model Number TBM Part no OD04 11001 Serial number 062 04 Type Model Number EX TEC OD 4 pump device THT Part no OD04 10101 Serial number 062 03 Type Model Number TBM Part no OD04 11101 Serial number 062 05 Type Model Number z z All devices are equipped with an integral memory to store measuring data z z Suitable for connecting accessories ...

Страница 92: ... Serial number 062 00 Type Model Number EX TEC GM 4 pump device Part no GM04 10101 Serial number 062 01 Type Model Number z z All devices are equipped with an integral memory to store measuring data z z Suitable for connecting accessories z z For available sensors please note chapter 11 2 ...

Страница 93: ... adapter M4 Part No LD10 10001 z z to connect the docking stati on HG4 to a 100 240 volt mains supply 12 Delivery variants and accessories Vehicle cable M4 12 V moun ting Part No ZL07 10000 z z to connect the docking stati on HG4 to a 12 volt vehicle supply z z with built in fuse and blade receptacles Vehicle cable M4 12 V mobile Part No ZL07 10100 z z to connect the docking stati on HG4 to a 12 v...

Страница 94: ...in dow and eyelets for the strap z z tab with press stud to secure the instrument z z clip to wear device at the belt z z can be used in areas exposed to the danger of explosion conducting front foil z z must be used in areas where there is hydrogen and with the H2 sensor Carrying strap Part No 3209 0003 z z Leather strap to carry the instrument z z adjustablebetween0 5 1 0 m Storage box for elect...

Страница 95: ...and measurement in relatively in accessible locations flexible swan neck filter insert in the head and adapter head with attachment screws Flexible hand probe HG4 Part No ZS40 10100 z z for two handed detection and measurement in relatively in accessible locations hand grip with a flexible probe tip filter insert in the head probe hose and probe head with attach ment screws Note The probes for the...

Страница 96: ...operated in conjunction with the test and probe head which has a plug connection for the sampling hoses Adapter hoses z z Please note that different ho ses must be used for different pressure ranges A detailed listing can be found on page 12 Mini measuring adapter Part No ZZ20 10000 z z for connecting adapter hose and gas pipe ...

Страница 97: ...ion with the Test set and probe head OD4 EX TEC GM 4 Test set SPE HG Part No PP01 10201 z z for mobile and in vehicle use z z withaconnectionforSEWERIN test gas cans flow rate control release key and connecting hose in conjunction with the probe head HG4 Test set SPE Y Part No PP01 20001 z z for mobile and in vehicle use z z with a connection for SEWERIN test gas cans flow rate control release key...

Страница 98: ...and accessories Pressure cylinders z z for testing and adjusting dis play sensitivity z z various test gas concentra tions in 0 4 2 0 10 0 litre steel cylinders under pressure of 100 150 bar Case HG4 Part No ZD18 10000 z z to hold instrument and charging equipment probe equipment Test gas can and test set SPE Y z z delivery does not include con tents shown in the picture ...

Страница 99: ...ty Hermann Sewerin GmbH hereby declares that the EX TEC OD 4 GM 4 fulfils the requirements of the following guidelines z z 2014 30 EU z z 2014 34 EU Gütersloh 2016 04 20 Dr S Sewerin General Manager The complete declaration of conformity can be found online ...

Страница 100: ... 01 0001 22 07 2008 1 0 Device status 1 1 status correct e g Y N 1 2 remaining operating hours e g 5 h 2 0 Pump test 2 1 fault F 100 when sealing 2 2 pump filter changed e g Y N 3 0 Display accuracy 3 1 display zero point within tolerance e g Y N 3 2 display test gas within tolerance e g Y N 4 0 AL 1 alarm triggering 4 1 optical alarm e g Y N 4 2 audible alarm e g Y N 5 0 Observations housing brok...

Страница 101: ...conds switch off press for about 3 seconds clear AL1 alarm press briefly witch between operating modes gases set zero point warning measurement save or start measurement OD 4 only any key switch on LCD illumination and operating hours dispplay these switch off automatically after about 10 seconds ...

Страница 102: ...Hermann Sewerin GmbH Robert Bosch Straße 3 33334 Gütersloh Germany Telefon 49 5241 934 0 Telefax 49 5241 934 444 www sewerin com info sewerin com 20 04 2016 a 103955 en ...

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