Home

SR2 - D O

1. Le l VM 64 e you can activate an inspection block to make sure your SR2 DO is regularly checked e this block does not become active until the next inspection date has passed cf section 9 3 Setting the inspection interval after that the instrument cannot be used until the inspection has been carried out and confirmed cf section 7 9 Inspection confirmation e briefly pressing the on off key brings you to the inspection block setting facility Inspection block condition e the last setting is displayed e g OFF block inactive ON block active e by pressing a cursor key e and confirming with the on off key you can set the desired condition 9 System menu e this setting is preserved even when the instrument is switched off e pressing the cursor up key brings you to the PIN code setting facility 65 9 System menu 9 5 Setting the PIN 66 PIN e you can set your SR2 DO so that only authorised persons e g instrument technicians experts have access to the information menu with all its subfunctions this involves setting a PIN that must be entered every time the information menu is called e when an incorrect PIN is entered the instrument reveris to its switch on routine e briefly pressing the on off key brings you to the PIN code setting facility Setting the PIN the last PIN to be set 0001
2. 68 10 10 1 10 Technical aspects Technical aspects Technical notes Probe hoses The rule of thumb is the concentration display is delayed by about 1 second for every metre of hose Always use SEWERIN probe hoses 1 m 2 m or 6 m long 12 m is the maximum length which should not be exceeded Cleaning The instrument should be cleaned with a damp cloth Use no solvents benzene or similar substances Static charge Electrostatic charges should generally be avoided Electrostatically floating objects like metallic housings with no earth connection for example are unprotected against charges transferred from dust aerosols and the like Fine dust filters There are fine dust filters in the removable probe connection item 3 and in most probes US Note Heavily soiled filters should be replaced cf section 10 4 Parts subject to wear 69 10 Technical aspects 10 2 Technical data 70 Instrument data Serial no Serial no Dimensions Weight Type of protection Volume of the buzzer Permissible ranges Operating temp Storage temp Humidity range Pressure range 046 01 XXXX type model number without explosion protection 046 03 XXXX type model number with explosion protection 129x 1922x65mm WxHxD about 1500 g depending on sensor equipment IP 54 typically 95 dB A in 30 cm distance 10 40 C 20 C 40 C 15 r h 90
3. ing IONS truct m Ala 4 Operat ins pga Pee maa NA wl Foy LIL SEW lt O IT Lo SR2 DO Measurable success by Sewerin equipment E CE E E Cn n 7 F nFF ECEECEC ECECZ EFFFEEE IEI You settled on a precision instrument A good choice Our equipment stands out for guaranteed safety optimal output and efficiency They correspond with the national and international guide lines These operating instructions will help you to handle the instrument quickly and competently Please pay close attention to our operating instructions before usage In case of further queries our staff is at your disposal at any time Yours Hermann Sewerin GmbH Robert Bosch Stra e 3 D 33334 G tersloh a 49 0 52 41 9 34 0 SA 49 0 52 41 9 34 4 44 www sewerin com info sewerin com Illustration the SR2 DO US Note Please see explanation of each position on page 19 SR2 DO operating instructions in brief D al e SS et Eu S on off switch toggles between automatic and manual gas switching switches gas displayed in manual operation zero point correction of gas displayed acoustic alarm clearance alarm switch off deactivation LCD illumination on off switches off automatically af
4. Fine dust filter in the probe connection from the SR2 DO item 3 and in most probes Hydrophobic filter in the 1 m 2m and 6 m probe hoses Test gas Can various concentrations for monitoring and adjustment Note Test gas bottles are under pressure do not store above 50 C Do not exceed storage time limits 10 5 Spare parts nx Note When ordering replacement parts please take these from the relevant Service instructions 10 6 EC sensor disposal nx Note EC sensors must be disposed of by a specialist disposal company 81 11 Hints on Disposal 11 82 Hints on Disposal The disposal of instruments and accessories is governed 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 Physikalisch Technische Bundesanstalt Appendix Braunschweig und Berlin 1 2 3 4 5 6 7 8 9 10 11 12 EG Baumusterpriifbescheinigung Ger te und Schutzsysteme zur bestimmungsgem en Verwendung in explosionsgefahrdeten Bereichen Richtlinie 94 9 EG EG Baumusterpr fbescheinigungsnummer PTB 96 ATEX 2166 Ger t GasmeB Gassp rger t Typ 041 yy xxxx 044 yy xxxx Hersteller Hermann Sewerin GmbH
5. adjustment with the on off key 7 f LIL OK appears in the LC display 44 7 4 7 Adjustment menu Setting the CH CO sensor Preparation e the instrument hose connects the outlet of the test set to the instrument s inlet e switch on device e open needle valve fully CH4 CO2 zero point 0 vol e environmental air is sampled e wait for the display to settle at a stable value and confirm the gt TF o TU adjustment with the on off key Vv LIL OK appears in the LC display Pre eee d EE rr the display switches between CH4 and CO2 e pressing the cursor up key a brings you to the next display 45 7 Adjustment menu CH4 sensitivity 100 vol aa a ee ie now release test gas 100 vol VUN CH4 from the test set SPE VOL e wait for the display to settle at a 2 AT um stable value and confirm the v LIL adjustment with the on off key H L4 i OK appears in the LC display u NS e once this has happened turn off the test gas feed Wait until the shown concentration reaches 0 vol before proceeding e pressing the cursor up key a brings you to the next display CO2 sensitivity 100 vol a ee one e now release test gas 100 vol MININ C02 from the test set SPE VOL S e wait for the display to settle at a CIT ro stable value and confirm the 7 i LIL adjustment with the on off key d l OK appears in the LC display e once t
6. Anschrift Robert Bosch Stra e 3 D 33334 G tersloh Die Bauart dieses Ger tes sowie die verschiedenen zul ssigen Ausf hrungen sind in der Anlage zu dieser Baumusterpr fbescheinigung festgelegt Die Physikalisch Technische Bundesanstalt bescheinigt als benannte Stelle Nr 0102 nach Artikel 9 der Richtlinie des Rates der Europ ischen Gemeinschaften vom 23 M rz 1994 94 9 EG die Erf llung der grundlegenden Sicherheits und Gesundheitsanforderungen f r die Konzeption und den Bau von Ger ten und Schutzsystemen zur bestimmungsgem en Verwendung in explosionsgef hrdeten Bereichen gem Anhang ll der Richtlinie Die Ergebnisse der Pr fung sind in dem vertraulichen Pr fbericht Nr PTB Ex 96 2 0081 festgelegt Die grundlegenden Sicherheits und Gesundheitsanforderungen werden erf llt durch bereinstimmung mit DIN EN 50014 1994 03 DIN EN 50018 1995 03 DIN EN 50020 1996 04 Falls das Zeichen X hinter der Bescheinigungsnummer steht wird auf besondere Bedingungen f r die sichere Anwendung des Ger tes in der Anlage zu dieser Bescheinigung hingewiesen Diese EG Baumusterpr fbescheinigung bezieht sich nur auf Konzeption und Bau des festgelegten Ger tes gem Richtlinie 94 9 EG Weitere Anforderungen dieser Richtlinie gelten f r die Herstellung und das Inverkehrbringen dieses Ger tes Die Kennzeichnung des Ger tes mu die folgenden Angaben enthalten Y 12G EExibdIIBT4 Braunschweig 08 01 1997 Dr Ing U Joh
7. factory setting appears in the LC display e we recommend you to use a dif ferent PIN e by pressing or holding down a cursor key e and confirming with the on off key you can set each of the 4 digits from left to right to the desired PIN Note Make a note of your PIN and only give it to authorised persons 9 System menu PIN 0000 e the function is inactive every user has access to the information menu PIN 0001 9999 e the function is active only persons who know the set PIN have access to the information menu e this setting is preserved even when the instrument is switched off e pressing the cursor up key brings you to the LC display check facility If you forget your PIN please contact SEWERIN Service 67 9 System menu 9 6 Checking the LC display e with this function you can carry out a visual check that all seg ments of the LC display are in Q working order e confirm the LC display check with T the on off key all the possible LC display characters and symbols are activated e pressing the cursor up key a brings you to the exit from the menu 9 7 Leaving the system menu EXIT gt e signpost gt to menu level 1 e pressing the on off key leaves O the memory menu e you are now back at the top main menu level and can switch lU between the following menu items ADJUSTMENT MEMORY SYSTEM EXIT K y
8. 43 Setting the O2 Sensor ET 44 Setting the CH4 CO2 sensor n eenen erener ree 45 Setting the measurement unt 47 Inspection confirmation i ern 48 Leaving the adjustment menu cece cece eee ee ee eeee tees nn 49 EN Ve e CU E 50 MEHUSIUCITe ae 50 GIG lee TICINO AA ETEL 51 Setting the memory interval 44444444400400RR0RRRRRR Rn nn nn 52 Setting the memory Mode ceccceceeteceeeceeeeeeeeeeeeeeeeeeeeeeeeteess 54 Leaving the memory menu cece eee cece eect eee e eect ete eeee teen eeeeeeeeeees 56 System MENU 5 sssor odo ccc loso ri o ed lu su sb sed cet nee uja ded de 57 ENT Re 57 Setting the El 58 Setting the inspection interval ccccccecceeceeeceeeceeeceeeeeeeeeeeeees 61 Setting the inspection block 64 selling the PIN EE 66 Checking EE Ee ET 68 Leaving the system menu eseesseessesenes nees 68 Technical aspects 2 2 ai ako E fr Eo kE 69 Technical notes sup ae sko DE o ao suetoj 69 Technical data Arsen nee KLA ve neka ga 70 Error messages esa NI SA ee 77 Wearing e 81 Spare ye UT nee ee 81 EC sensor e e EE 81 Hints on DISpOSal sss ozan omno a ee 82 Contents page ale LEE 83 EC type examination Certificates cccccceeecceecsessseseeeeeeeeeeseeeeeeeees 83 Declaration of Conformity a 87 TeSt repor ee dee 89 1 SR2 DO system 1 1 1 SR2 DO system Multiple gas detector The SR2 DO i
9. DO can remind you of regular scheduled tests e g inspections adjustments e this reminder is based on the inspection interval e briefly pressing the on off key brings you to the inspection interval setting facility Inspection interval 0 52 CW the last interval to be set is displayed in CW calendar weeks e g OCW 4CW 52 CW function inactive monthly annual e by pressing or holding down a cursor key e and confirming with the on off key you can set the desired interval 61 9 System menu 62 ey e this setting is preserved even when the instrument is switched off e pressing the cursor up key brings you to the inspection block setting facility Example inspection interval February 2004 LRI KA LONTE 1 3 3 74 BE B SE 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 March 2004 Mo Tu We Th Fr Sa Su 1 2 34 5 6 7 B 9 10 11 12 13 14 IS MB lee 22 23 24 25 26 27 28 29 30 31 Selected inspection interval weeks 04 Inspection routine started i e inspection confirmed cf section 7 6 10 02 2004 From these indications concludes the next inspection has to be effected between 09 15 03 2004 During the next 3 weeks the SR2 DO will display the following references to the inspection date 24 02 2004 01 03 2004 gt 1 week before LC display lamp buzzer instrument the coming inspection date is displayed f
10. EM KA cursor key you can select the following memory intervals seconds range 1 second 10 seconds I 20 seconds ILJ SEK 30 seconds minutes range 1 minute 2 minutes 3 minutes 5 minutes T 10 minutes 20 minutes 30 minutes 52 8 Memory menu Data memory capacity e the SR2 DO stores the following values in its data memory readings for each gas instantaneous values at the moment of scanning e depending on the set memory interval and the number of gases data memory can continuously record for the following periods times in hh mm ss Memory interval 2 gases 3 gases 4 gases 1 sec 1 44 53 1 02 50 0 41 48 10 sec 17 28 50 10 28 20 6 58 05 20 sec 34 57 40 20 56 40 13 56 10 30 sec 52 26 30 31 25 00 20 54 15 1 min 104 53 00 62 50 00 41 48 30 2 min 209 46 00 125 40 00 83 37 00 3 min 314 39 00 188 30 00 125 25 30 5 min 524 25 00 314 10 00 209 02 30 10 min 1048 50 00 628 20 00 418 05 00 20 min 2097 40 00 1256 40 00 836 10 00 30 min 3146 30 00 1885 00 00 1254 15 00 The above figures show the maximum possible recording duration The recording duration can be reduced by the number of on off cycles and the number of events occurring Example when the instrument is set to warn for 4 gases and the memory interval is set to 1 minute you can record readings over a period of 41 hours 48 minutes and 30 seconds 53 8 Memory menu ey 8 4 Setting the memory
11. Hiermit erkl ren wir da oben genanntes Produkt mit der den folgenden Norm en oder normativen Dokument en bereinstimmt Bei einer mit uns nicht abgestimmten nderung des Produkts verliert diese Erkl rung ihre G ltigkeit We hereby declare that the above product complies with the following norms or standardized directives In case of any modification of this product which has not been authorized by us this declaration becomes invalid Norm en Norm s Generic Emission Standard Generic Immunity Standard DIN EN 50 014 18 20 Ex Allgemeine Bestimm Druckf Kapselung Eigensicherheit General Requirements Flameproof Encl Intrinsic Safety i Fundstellen bzgl EN 50 081 82 sind Amtsblatter der EG Nr C 44 12 bzw Nr C 90 2 The Norms EN 50 081 82 are recorded in the Gazette of the EG No C 44 12 and No C 90 2 resp Gem den Bestimmungen der Richtlinie n The unit is in accordance with 89 336 EWG EG Richtlinie Elektromagnetische Vertraglichkeit EG Directive Electromagnetic Compatibilit 94 9 EG ATEX 100a Funktions berpr fung nicht enthalten Function inspection not include G tersloh den 21 11 2001 Siu 2 SEWERIN GMBH Gesch ftsf hrer Managing Director Appendix TEST REPORT s Sensor Serial no e g 046 01 0001 Device status 1 status correct e g Y N fine dust filters ok e g Y N remaining operating hours e g 5 h 3 low pressure gt 1
12. instrument on again contact SEWERIN Service result of error locking not clearable external RAM test self test defective remedy turn instrument on again contact SEWERIN Service result of error locking not clearable clock module clock error remedy turn instrument on again contact SEWERIN Service result of error locking not clearable LCD driver LCD driver error remedy turn instrument on again contact SEWERIN Service result of error locking not clearable thermal conductivity WL WL sensor error remedy turn instrument on again contact SEWERIN Service result of error clearable component error sensor remedy turn instrument on again contact SEWERIN Service result of error locking not clearable pump power too low remedy turn instrument on again check filters in the instrument and probes result of error locking not clearable 79 10 Technical aspects Error code F250 F255 Alarm AL3 Cause remedy and result of error discharge warning after 15 minutes operation remedy charge the instrument result of error clearable data memory end of data memory if ring memory OFF see INFO MEM MEM STOP result of error clearable Cause remedy and result of error End of measuring range Sensor reached end of measuring range warning behaviour self resetting on reaching measuring values lower end of measuring range 80 10 Technical aspects 10 4 Wearing parts
13. menu level 1 e pressing the on off key leaves Q the adjustment menu e you are now back at the top VvIiT main menu level and can switch AI 7 between the following menu items ADJUSTMENT MEMORY SYSTEM EXIT 49 8 Memory menu 8 Memory menu 8 1 Menu structure MEMORY MEM CLR MEM INT MEM STOP EXIT e the SR2 DO continuously stores readings from the sensors that are present e these can later be read out with the appropriate evaluation software separate user manual via the RS232 interface item 8 e you are in the MEMORY menu item ZS a U ll jum U Lal Um In U t 7 e briefly pressing the on off key brings you to the memory menu 50 8 Memory menu 8 2 Clearing memory MEMORY CLEAR 1 if you have set the memory mode stack memory cf section 8 4 Setting memory mode this O function enables you to clear the memory of all readings dh TI El ee LLn e confirm the clearance with the on off key OK appears in the LC display LL VIL LAN e pressing the cursor up key a brings you to the memory interval setting facility 51 8 Memory menu 8 3 Setting the memory interval MEMORY INTERVAL e briefly pressing the on off key brings you to the memory interval setting facilit O g y MESM INT VILI ONI e by pressing or holding down a
14. r h not condensing briefly 5 r h 90 r h 800 hPa 1200 hPa Explosion protection CENELEC valid for serial nos Testing institution Test number Identification mark Power supply Operating time Battery type Charge voltage Charge current Charge time Pump power Serial interface beginning with 046 03 Physikalisch Technische Bundesanstalt Braunschweig PTB 96 ATEX 2166 supplements 1 and 3 x Il 2 G EEx ib d IIB T3 min 10 h NiCd rechargeable 12 V 380 mA 13 h gt 50 l h and gt 150 mbar RS 232 accessory cable if required 10 Technical aspects Methane carbon dioxide CH CO sensor Sensor data measurement principle measurement range teo time storage temperature Lifetime guaranteed expected Test gases zero point sensitivity sensitivity thermal condictivity TC O 100 vol in steps of 0 1 vol to 9 9 vol CH3 or in steps of 1 vol CO 30 seconds 20 C 60 C for replacement sensors 1 year 5 years fresh air 100 vol CH 100 vol CO 71 10 Technical aspects 72 Oxygen O sensor Sensor data measurement principle measurement range teo time storage temperature Temperature influence sensitivity Cross sensitivity electrochemical sensor EC O 25 0 vol AL3 in steps of 0 1 vol lt 30 seconds 0 9C 20 C for replacement sensors
15. sensitivity ALi 50 ppm AL2 75 ppm lt 2ppm no temperature influence lt 0 3 ppm month 1 year 2 years fresh air 50 ppm NR in nitrogen 10 Technical aspects 10 3 Error messages CS LC display Error code EEEE F22 24 F23 20 E F26 28 FOZ 155 5 eee ae Cause remedy and result of error sensor error no sensor detected e the SR2 DO detects faults itself and displays an error code in the remedy turn instrument on again contact SEWERIN Service result of error instrument switches off adjustment error zero point in the CH CO range remedy check test gas repeat adjustment result of error 3s alarm self resetting adjustment error sensitivity in the CH range remedy check test gas repeat adjustment result of error 3s alarm self resetting adjustment error sensitivity in the CO range remedy check test gas repeat adjustment result of error 3s alarm self resetting adjustment error zero point in the O range EC remedy check test gas repeat adjustment result of error 3s alarm self resetting adjustment error sensitivity in the O range EC remedy check test gas repeat adjustment result of error 3s alarm self resetting 77 10 Technical aspects 78 Error code Cause remedy and result of error adjustment error zero point in the CO HS NH range remedy check test gas repeat adjustment result of err
16. test gas opening for e aspirating fresh air e fresh air hose setting the pump power reading the pump power in litres per hour l h connected to e device 5 3 Test gases 5 Testing the instrument The following test gases are used in conjunction with the test set SPE VOL to test the zero point and sensitivity Methane CH zero point sensitivity Carbon dioxide CO zero point sensitivity Oxygen O zero point sensitivity Hydrogen sulphide H S zero point sensitivity Carbon monoxide CO zero point sensitivity Ammonia NH zero point sensitivity fresh air 100 vol CH fresh air 100 vol CO Caution Zero point at 20 9 vol fresh air 0 vol O with 100 vol CH fresh air 40 ppm H S in synthetic air fresh air 40 ppm fresh air 50 ppm These gases are supplied in 5 test gas bottles e 100 vol CH e 100 vol CO 40 ppm H S in synthetic air 50 ppm NH in nitrogen 40 ppm CO in synthetic air 35 5 Testing the instrument 5 4 36 Testing pump power zero point and sensitivity Proceed as follows e screw the selected test gas bottle onto the test set SPE VOL fig 1 item B as far as it will go e connect the instrument s probe connection item 3 with the hose of the test set SPE VOL fig 1 item A e switch the instrument on the pump aspirates fresh air through the test set SPE VOL fig 1 item E e enter your te
17. 0 3 signal C CO at 5 vol CO in 23 vol O 1 O no others known Lifetime guaranteed expected Test gases zero point sensitivity 20 months 24 months fresh air 100 vol CH Hydrogen sulphide HS Sensor data measurement principle measurement range zero point drift teo time storage temperature 10 Technical aspects 100 ppm sensor electrochemical sensor EC 2 100 ppm AL3 in steps of 1 ppm 3 ppm lt 30 seconds 0 C 20 C for replacement sensors Alarm thresholds factory settings HS Temperature influence zero point sensitivity Time drift Cross sensitivity at 20 C 100 ppm CO 20 ppm CL 500 ppm C H 2 vol Hp 10 ppm SO none known Lifetime guaranteed expected Test gases zero point sensitivity AL1 10 ppm AL2 20 ppm no temperature influence lt 0 5 signal C 0 3 ppm month 3 ppm H S 1 ppm H S 2 ppm H S 100 ppm H S 3 ppm H S 2 years 3 years fresh air 40 ppm HS in synthetic air 73 10 Technical aspects 74 Hydrogen sulphide HS 2000 ppm sensor Sensor data measurement principle measurement range teo time storage temperature Lifetime guaranteed expected Test gases zero point sensitivity electrochemical sensor EC 4 2000 ppm ALS up to 998 ppm in steps of 2 ppm fr
18. 50 mbar 2 volumen flow gt 30 I h zero point fresh air display 1 0 1 0 vol 3 2 test gas 100 vol CH display 97 103 vol ao omas 7 7 7 7 4 1 zero point fresh air display 1 1 vol i gas 100 vol CO display 97 103 vol zero point fresh air display 20 4 21 4 vol 5 2 test gas 100 vol CH display 0 5 0 5 vol 6 1 zero point fresh air display 10 10 ppm 6 2 test gas 40 ppm H S display 36 44 ppm 7 0 CO range 7 1 zero point fresh air display 3 3 ppm 7 2 test gas 40 ppm CO display 37 43 ppm 8 1 zero point fresh air display 3 3 ppm 8 2 test gas 50 ppm NH3 display 47 53 ppm 89 Appendix Observations housing broken adjustment repair factory inspection N IMI 90 Hermann Sewerin GmbH Robert Bosch StraBe 3 33334 G tersloh Germany Telephone 49 5241 934 0 Fax 49 5241 934 444 www sewerin com info sewerin com
19. LA U 6 ur q Wem La q 2 Dt Le 9 System menu you are in the SYSTEM menu e briefly pressing the on off key brings you to the system menu 57 9 System menu 9 2 Setting the date time DATE TIME u Le e briefly pressing the on off key brings you to the date time setting Date e the last day 24 flashing and month 02 to be set are O Ji TII displayed CHU TEIT M LIGILO e by pressing or holding down a cursor key e and confirming with the on off key you can set first the day and then the month to the current date 58 9 System menu Year e the last year 2000 flashing to be set is displayed e by pressing or holding down a cursor key e and confirming with the on off key you can set the current year Time e the last hours 17 flashing and minutes 49 to be set are displayed e by pressing or holding down a cursor key 59 9 System menu e and confirming with the on off key you can first set the hours and then the minutes to the current time e these settings are preserved even when the instrument is switched off e pressing the cursor up key a brings you to the inspection interval setting facility 60 Setting the inspection interval INSPECTION INTERVAL ow LA 9 System menu e the SR2
20. ORY MEM CLR MEM INT MEM STOP EXIT gt SYSTEM DAT UHR INS INT INS STOP PIN CODE LCD EXIT gt EXIT Note Volume and style of the menu items in the adjustment menu depend on number and type of sensors built in to your instrument 38 6 Info menu 6 2 Overview The information menu is accessible only when the SR2 DO is switched off LI a4 m gt N q p Vu La x e d u e e now simultaneously press the following 3 keys e you are now in the INFO menu item cf menu structure e the software version number e g V2 1 is displayed and the LC display illumination auto matically switches on for about 4 minutes e you must now enter your PIN code cf section 9 5 Setting the PIN code e 0001 factory settings e only now do you have access to all menu items e the pump runs at constant power it can be switched on or off with the pump key at any time e the cursor up key returns you to the menu structure 39 6 Info menu DU JER DU q pa DU q LU N y JK re JN q an WT I l l lus Um Ka U t 7 JX JX 40 e you are now in the adjustment menu item cf section 7 Adjustment menu e the cursor up key brings you to the next display e you are now in the MEMORY men
21. Physikalisch Technische Bundesanstalt Bundesallee 100 D 38116 Braunschweig 85 Appendix Physikalisch Technische Bundesanstalt PIB Braunschweig und Berlin 3 ERGANZUNG gem Richtlinie 94 9 EG Anhang Ill Ziffer 6 zur EG Baumusterpr fbescheinigung PTB 96 ATEX 2166 Ger t Typ EX TEC Combi und Typ EX TEC SR2 DO Kennzeichnung amp 112G EEx d ib IIB T4 T3 Hersteller Hermann Sewerin GmbH Anschrift Robert Bosch Stra e 3 D 33334 G tersloh Beschreibung der Erg nzungen und nderungen Die Typreihe von Gasmess Gassp rger ten wird erg nzt um die Varianten Typ 045 yy xxxxx EX TEC Combi und Typ 046 yy xxxxx EX TEC SR2 DO Pr fbericht PTB Ex 00 29353 7 Zertifizierungsstelle Explosionsschutz Braunschweig 27 Juni 2000 Im Auftrag gus Dr Ing U Johannsmeyer Regierungsdirektor Seite 1 1 EG Baumusterpr fbescheinigungen ohne Unterschrift und ohne Siegel haben keine G ltigkeit Diese EG Baumusterpr fbescheinigung darf nur unver ndert weiterverbreitet werden Ausz ge oder nderungen bed rfen der Genehmigung der Physikalisch Technischen Bundesanstalt Physikalisch Technische Bundesanstalt Bundesallee 100 D 38116 Braunschweig 86 Appendix Konformit tserkl rung Declaration of Conformity Ger tebezeichnung tragbares batteriebetriebenes Gasme ger t Type of Product portable battery operated gas measuring device Ger te Typ Product Name Fabrikations Nr Hi
22. Physikalisch Technischen Bundesanstalt Physikalisch Technische Bundesanstalt Bundesallee 100 D 38116 Braunschweig Appendix Physikalisch Technische Bundesanstalt Ib Braunschweig und Berlin 1 ERGANZUNG gem Richtlinie 94 9 EG Anhang Ill Ziffer 6 zur EG Baumusterpr fbescheinigung PTB 96 ATEX 2166 Ger t Gasme Gassp rger t Typ 041 yy xxxx 044 yy xxxx Hersteller Hermann Sewerin GmbH Anschrift Robert Bosch Stra e 3 D 33334 G tersloh n r Erga 1 Die Sensorkammer des oben genannten Ger tes darf k nftig auch mit Sintermetallelementen als Atmungseinrichtung gefertigt werden Technische Einzelheiten und Pr fergebnisse enth lt der vertrauliche Pr fbericht Nr PTB Ex 97 17045 2 Werden die Gasme Gassp rger te mit einer MeRfunktion f r den Explosionsschutz betrieben ist gem Richtlinie 94 9 EG Anhang II Ziffer 1 5 5 bis 1 5 7 eine Funktionspr fung erforderlich Dies ist in geeigneter Form dem Betreiber mitzuteilen z B in der Betriebsanleitung Pr bericht Nr PTB Ex 97 17045 Zertifizierungsstelle Explosionsschutz Braunschweig 12 06 1997 Im Auftrag U kr KALN y Dr Ing H Wehinger Direktor und Professor Seite 1 1 EG Baumusterpr fbescheinigungen ohne Unterschrift und ohne Siegel haben keine G ltigkeit Diese EG Baumusterpr fbescheinigung darf nur unver ndert weiterverbreitet werden Ausz ge oder nderungen bed rfen der Genehmigung der Physikalisch Technischen Bundesanstalt
23. aff by a specialist firm or by Sewerin itself The function test should be carried out at the same time Upkeep maintenance and repair The instrument must 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 e g 5 00 May 2000 Annual maintenance and repair must cover at least the specialist care and adjustment of the instrument and the replacement of components with a limited useful life xg Note Where instruments have explosion protection the applicable regulations must be be observed nx Note Technicians responsible for upkeep must have been trained and instructed by Sewerin 33 5 Testing the instrument 5 2 34 Test set The test set SPE VOL is available to test the pump power zero point and sensitivity E fig 1 Item description A device connection B test gas connection C manometer release button E fresh air supply F needle valve with flowmeter G connection hose C d function connection with e probe connection e test heads connection for e test gas bottles e pressure hose adapter in conjunction with pressure cylinder and pressure reducer Display of remaining pressure inside the test gas container release of
24. annsnfegd Oberregierungsrat EG Baumusterpr fbescheinigungen ohne Unterschrift und ohne Siegel haben keine G ltigkeit Diese EG Baumusterpr fbescheinigung darf nur unver ndert weiterverbreitet werden Ausz ge oder nderungen bed rfen der Genehmigung der Physikalisch Technischen Bundesanstalt Physikalisch Technische Bundesanstalt Bundesallee 100 D 38116 Braunschweig PIB Seite 1 2 83 Appendix 84 Physikalisch Technische Bundesanstalt PIB Braunschweig und Berlin 13 14 15 16 17 18 19 Anlage EG Baumusterpr fbescheinigung PTB 96 ATEX 2166 Beschreibung des Gerates Das Ger t dient zur Messung und zum Aufsp ren von Gaskonzentrationen vorzugsweise Methan vom 10 ppm Bereich bis zum 100 Vol Bereich Die eingebaute Pumpe f rdert das MeRgas Pr fbericht Nr PTB Ex 96 2 0081 bestehend aus 3 Seiten und 27 Zeichnungen Besondere Bedingungen nicht zutreffend rundl i its ndhej nicht zutreffend Das Wechseln und Laden des Akkumulators darf nur au erhalb des explosionsgef hrdeten Bereiches erfolgen Zertifizierungsstelle Explosionsschutz Braunschweig 08 01 1997 Im Auftrag Dr Ing U Johannsmeye Oberregierungsrat Seite 2 2 EG Baumusterpr fbescheinigungen ohne Unterschrift und ohne Siegel haben keine G ltigkeit Diese EG Baumusterpr fbescheinigung darf nur unver ndert weiterverbreitet werden Ausz ge oder nderungen bed rfen der Genehmigung der
25. arm lamp 2 LC display 3 probe connection 4 keypad 5 attachment 6 outlet 7 buzzer 8 interface function optical warning on e breaching alarm thresholds e display of error messages display of e gas concentrations e menu items e operating conditions e error messages connection for e probe hose e test set instrument operation for carrying systems e Triangel e cross strap for the gas sample acoustic warning on e breaching alarm thresholds e display of error messages serial RS232 interface for connection to a PC 19 3 Measuring operation 3 2 Switching on e always switch the instrument on in fresh air e press the on off key for about 3 seconds e the optical and acoustic control signals items 1 and 7 operate for about 3 seconds e the LC display illumination automatically switches on for about 4 minutes e available operating hours are displayed in the form of the battery symbol and bars e g 5 hours 5 bars the built in pump runs at constant power e the software version number e g 2 1 and instrument type SR2 DO are displayed All following instrument displays show a SR2 DO to measure 5 gases CH CO O H2S NH3 20 FI _ OaLwo ami PR uy Es P 3 Measuring operation CH4 methane e the measurement range for methane is displayed 0 0 100 vol e depe
26. e next Manual switching e cach gas remains displayed until you press a cursor key e pressing a cursor key switches to the next gas 25 3 Measuring operation 35 Alarm An alarm threshold can be set on the SR2 DO The alarm is triggered if the concentration of CH CO or O exceeds this threshold Note no alarm threshold is possible for the H2S concentration 3 6 Displaying the alarm thresholds e press and hold down the a threshold value key the current alarm threshold is displayed by a flashing bar LILJA LIIA the alarm can be cleared if the concentration falls below this alarm threshold the optical and acoustic alarms items 1 and 7 switch off 26 N 3 7 Zero point correction UJ win d C be ni VIZI KE 3 8 Illumination and contrast 3 Measuring operation e after it is flushed with fresh air the SR2 DO may deviate from its zero point observe the tolerances it can be manually corrected as follows e press the zero point key to set the zero point of the gas displayed up to 5 from the end of the measuring range if the zero point cannot be set the sensor must be adjusted cf chapter 7 Adjustment menu 02 zero point the zero point for oxygen is 20 9 vol since this is the concentration found in normal fresh air Illumination e pressing the light key switches the LC display illumination on and off e the illumination automatical
27. ermit erkl ren wir da oben genanntes Produkt mit der den folgenden Norm en oder normativen Dokument en bereinstimmt Bei einer mit uns nicht abgestimmten nderung des Produkts verliert diese Erkl rung ihre G ltigkeit We hereby declare that the above product complies with the following norms or standardized directives In case of any modification of this product which has not been authorized by us this declaration becomes invalid Norm en Norm s DIN EN 50 081 1 EMV Fachgrundnorm St raussendung Generic Emission Standard DIN EN 50 082 EMV Fachgrundnorm St rfestigkeit Generic Immunity Standard Fundstellen bzgl EN 50 081 82 sind Amtsbl tter der EG Nr C 44 12 bzw Nr C 90 2 The Norms EN 50 081 82 are recorded in the Gazette ofthe EG No C 44 12 and No C 90 2 resp Gem den Bestimmungen der Richtlinie n The unit is in accordance with 89 336 EWG EG Richtlinie Elektromagnetische Vertr glichkeit EG Directive Electromagnetic Compatibilit 92 31 EWG nderung dazu amendment to above 93 68 EWG Anderung dazu amendment to above G tersloh den 21 11 2001 SEWERIN GMBH Gesch ftsf hrer Managing Director 87 Appendix 88 Konformit tserkl rung Declaration of Conformity Ger tebezeichnung tragbares batteriebetriebenes Gasme ger t Type of Product portable battery operated gas measuring device Ger te Typ Product Name Fabrikations Nr
28. his has happened turn off the test gas feed 46 7 Adjustment menu 7 5 Setting the measurement unit CH4 CO2 02 vol range language e pressing the on off key switches between the following displays HR in the vol range 117 fw vol display in vol D GB GAZ display in GAZ F VK m LU BS N KZ ze In re e confirm the display e g vol with the on off key OK appears in the LC display e this setting is preserved even when the instrument is switched off e pressing the cursor up key a brings you to the inspection confirmation function 47 7 Adjustment menu 7 6 Inspection confirmation INSPECTION OK e the SR2 DO can remind you of scheduled inspection and S adjustment dates e this requires the inspection interval and the inspection block to be set in the system menu cf sections 9 3 and 9 4 Nm q l UM La mm IR es ae e confirm the inspection or adjustment you have carried out with the on off key OK appears in the LC display e this date is stored as a function of the set date cf section 9 2 Setting the date time e the next inspection or adjustment date is calculated in accordance with the set inspection interval e pressing the cursor up key EM brings you to the exit from the adjustment menu 48 7 7 7 Adjustment menu Leaving the adjustment menu EXIT gt e signpost gt to
29. ly switches off again after about 4 minutes 27 3 Measuring operation Le Jla Le JL Contrast e simultaneously pressing the Light key and a cursor key increases or reduces the contrast of the LC display e your last setting is preserved even when the instrument is switched off 3 9 Operating hours display and battery alarm Le Ay 28 Operating hours display e simultaneously pressing both cursor keys during measuring operation displays the number of operating hours remaining e g 5 hours e this display battery symbol and bars disappears automatically after about 10 seconds Battery alarm e if the charge falls below a threshold value the battery symbol appears the alarm lamp flashes and an acoustic signal is triggered e the battery alarm can be cleared with the buzzer key 3 10 Pump function 3 11 Switching off ui I ui uu E 3 12 Interface 3 Measuring operation e the pump runs at constant power it can be switched on and off with the pump key at any time on instruments with an H S sensor the pump cannot be switched off e press the on off key for about 3 seconds e the optical and acoustic control signals items 1 and 7 operate for about 3 seconds e remaining operating hours are displayed in the form of the battery symbol and bars e g 5 hours 5 bars The instrument can be connected to a PC via the RS 232 serial interface F
30. mode PF i 8 q gt Lamm mm Ke Tt l Le q U LU U FR 54 e confirm the interval with the on off key e this setting is preserved even when the instrument is switched off e pressing the cursor up key brings you to the memory mode setting facility MEMORY STOP e briefly pressing the on off key brings you to the memory mode setting facility e by pressing a cursor key you can select the following memory modes OFF ring memory readings are continuously written to memory when memory is full the oldest values are overwritten ON stack memory readings are only written to memory until it is full thus write protecting the oldest values 8 Memory menu e confirm the memory mode with the on off key e this setting is preserved even when the instrument is switched off e pressing the cursor up key brings you to the exit from the memory menu 55 8 Memory menu 8 5 Leaving the memory menu EXIT gt e signpost gt to menu level 1 e pressing the on off key leaves O the memory menu e you are now back at the top main menu level and can switch J between the following menu items JUSTAGE MEMORY SYSTEM EXIT us em gt mn 56 9 System menu 9 1 Menu structure SYSTEM DAT UHR INS INT INS STOP PIN CODE LCD EXIT item
31. nding on your last setting a display in the vol GAZ quantities may also be possible cf section 7 4 Adjusting the CH sensor CO2 carbon dioxide e the measurement range for carbon dioxide is displayed 0 100 vol e depending on your last setting a display in the vol GAZ quantities may be possible cf section 7 5 Setting the measurement quantity 02 oxygen e the measurement range for oxygen is displayed 0 0 25 0 vol e depending on your last setting a display in the vol 9o GAZ quantities may be possible cf section 7 5 Setting the measurement quantity e display of the sensor lifetime in the form of bars cf section 10 2 Technical data 8 bars 100 21 3 Measuring operation H2S hydrogen sulphide e the measurement range for hydrogen sulphide is displayed E ri r HEM 0 2000 PPM CO carbon monoxide e the measurement range for OO carbon monoxide is displayed LILI CIOM 0 500 PPM NH3 ammonia e the measurement range for ammonia is displayed CI DOM O 100 PPM NLS od IN l ee ee Time date e the current time e g 17 49 and 01 date e g 24 02 2000 are ILIO HH displayed Vi pi e properly set values are important LI for the documentation of your readings e you can correct any variances cf section 9 2 Setting the date time 22 3 Measuring operation Next
32. ntents page i sech sch sh wh NOU E Gah A N N 3 1 3 2 3 3 3 4 3 5 3 7 3 8 3 10 3 11 3 12 4 1 4 2 5 1 5 2 5 3 5 4 lar BO Be j REO Eau 8 Multiple gas deleetor ars iii p Ee ka du KL MS sou 8 Fields of application are ege ee 9 Test certificates Eege 11 Charging Re Tei E EE 12 Barry INg EAUI DIENT TITT TITT 13 tele 15 Test E We 16 Eed EES 17 Safety le su NO o ee 17 Measuring operation seen 19 tg Hinne le la 19 Switching oN ee E e a 20 Measuring operation NEE 24 SWitching gases SS a ya 25 TA ida I PR TETTE TETTE 26 Displaying the alarm thresholds sees nennen 26 Zero point correction BEE 27 llumination and contrast EE 27 Operating hours display and battery alarm 28 alga DEENEN 29 rei Une SINE oWReRh U TTT TIEEEFEFTE 29 NS ACS nissen means 29 Gharging tet ed delat reesei id cee 30 Charging and charge maintenance nn 30 Ee e anne 31 Testing the instrument ee 32 Tests Upkeep errre eege 32 OS EE ee 34 kri GAS A TTT a 35 Testing pump power zero point and sensitivity 36 Contents page 10 10 1 10 2 10 3 10 4 10 5 10 6 11 Jude RV TE 38 Menu structure sk ctl ao Rene a o Ale ht Eos eu ibe 38 KEE 39 Adjustment menu 4 2 aaa 42 Igi EE ee ee 42 Setting the H2S sensor sasa aBa cadena EKRE laa
33. om 1000 ppm in steps of 10 ppm lt 30 seconds 0 C 20 C for replacement sensors 2 years 3 years fresh air 40 ppm H S in synthetic air 10 Technical aspects Carbon monoxide CO sensor Sensor data measurement principle measurement range zero point drift teo time storage temperature electrochemical sensor EC 2 500 ppm AL3 in steps of 1 ppm 4 ppm 30 seconds 0 C 20 C for replacement sensors Alarm thresholds factory settings CO Temperature influence zero point sensitivity Time drift Cross sensitivity at 20 C 1000 ppm H 100 ppm NO none known Lifetime guaranteed expected Test gases zero point sensitivity AL1 30 ppm AL2 60 ppm 5 ppm lt 1 4 signal C 0 3 ppm month 450 ppm CO 25 ppm CO 2 years 3 years fresh air 40 ppm CO in synthetic air 75 10 Technical aspects 76 Ammonia NH sensor Sensor data measurement principle measurement range zero point drift teo time storage temperature electrochemical sensor EC 2 100 ppm AL3 in steps of 1 ppm 1 pom 90 seconds 0 C 20 C for replacement sensors Alarm thresholds factory settings NH Temperature influence zero point sensitivity Time drift Cross sensitivity at 20 C none known Lifetime guaranteed expected Test gases zero point
34. or 3s alarm self resetting adjustment error sensitivity in the CO HS NH range EC remedy check test gas repeat adjustment result of error 3s alarm self resetting O sensor error reading below measurement range remedy adjust or replace O sensor result of error self resetting not clearable CO sensor error reading below measurement range remedy adjust or replace CO sensor result of error self resetting not clearable H S sensor error 100 ppm reading below measurement range remedy adjust or replace H S sensor result of error self resetting not clearable NH sensor error reading below measurement range remedy adjust or replace NH sensor result of error self resetting not clearable H S sensor error 2000 ppm reading below measurement range remedy adjust or replace H S sensor result of error self resetting not clearable microcontroller ROM test self test defective remedy turn instrument on again contact SEWERIN Service result of error locking not clearable microcontroller RAM test self test defective remedy turn instrument on again contact SEWERIN Service result of error locking not clearable Error code 10 Technical aspects Cause remedy and result of error EEPROM test read write error detected remedy turn instrument on again contact SEWERIN Service result of error locking not clearable A D converter A D converter defective remedy turn
35. or about 3 seconds on switch on inactive the instrument then automatically switches to measuring operation 02 03 2004 08 03 2004 1 week before LC display lamp buzzer instrument the coming inspection date is displayed for about 3 seconds on switch on flashing intermittent the instrument then automatically switches to measuring operation 9 System menu 09 03 2004 15 03 2004 the scheduled week LC display lamp buzzer instrument 16 03 2004 LC display lamp buzzer instrument the due inspection date is displayed on switch on both operate continuously when the display is cleared with the buzzer key item 4 or after waiting for about 15 seconds the instrument automatically switches to measuring operation from 1 week later the overdue inspection date is displayed on switch on both operate continuously depending on the setting of the INS STOP function cf section 9 4 Setting the inspection block the following conditions are possible INS STOP OFF when the display is cleared with the buzzer key item 4 or after waiting for about 15 seconds the instrument automatically switches to measuring operation INS STOP ON when any key is pressed item 4 or after waiting for about 15 seconds the instrument automatically switches off 63 9 System menu 9 4 Setting the inspection block INSPECTION STOP gt A Lan Lan
36. or details please consult the manual for the PC software required 29 4 Charging 4 1 30 Charging Charging and charge maintenance Charging When fully charged the instrument has a minimum of 10 hours operating time with the pump running To charge the instrument you will need the HS charging adapter see illustration which can be used in the workshop or the emergency vehicle The following connection sockets can be found on the side of the charging adapter gt e 230 V plug in power pack e 12 V vehicle adapter e 24 V vehicle adapter Switch the SR2 DO off and place it in the charger A display on the following lines appears e the instrument still has 5 operating hours left 5 bars and will take another 3 hours to J be fully recharged if it is fully charged all the bars appear and the numerical display disappears Charge maintenance As soon as the instrument is fully charged it automatically switches to charge maintenance It can be left in the charging adapter until the next time it is needed 4 2 4 Charging Self discharge If the instrument is not placed in the charging adapter when it is switched off this will cause the nickel cadmium battery to self discharge reducing the remaining operating time After a maximum of 30 days the instrument indicates no remaining operating hours and it must be recharged L N
37. ote Brief periods of use and protracted disuse may in the long term lead to the so called memory effect which means that the actual battery capacity available is less than what is shown in the display You can counteract this by fully discharging the SR2 DO regularly e g once a month leave it switched on until it switches itself off then recharge it 31 5 Testing the instrument 5 1 Testing the instrument Tests upkeep The instrument tests prescribed by DVGW worksheet G 465 4 Technical information note are divided into the following sections Testing includes the requisite equipment What Who When function test user before use display accuracy expert or daily to half yearly test adjustment specialist firm maintenance SEWERIN annually servicing expert authorised specialist firm Function test This is the simplest form of instrument test Carried out by the user before use it comprises the following points e external condition including probe systems e function of the operating controls e battery charging check e inspection of the pump and the intake channel e pump function e zero point check 32 5 Testing the instrument Checkinq display sensitivity adjustment Testing frequency must be specified as a function of the sensors fitted and the use of the instrument It can be anywhere between daily and half yearly Testing must be carried out by an expert on the operator s own st
38. rtage of oxygen excess of nitrogen due to an increase in other gas components due to the decomposition of organic waste in shafts e g wet leaves due to welding and heating processes with naked flames due to air depletion 1 SR2 DO system 10 e Measuring toxic gases due to the formation of carbon dioxide by bacterial conversion processes due to the formation of carbon dioxide in areas where there is mineral water due to the formation of carbon dioxide in exhaled air due to the formation of hydrogen sulphide in effluent due to the formation of CO and H S in biogas plants 1 3 1 SR2 DO system Test certificates Passive explosion protection The SR2 DO has been tested for explosion protection in accordance with the European norm CENELEC EC prototype test certificate PTB 96 ATEX 2166 plus supplements 1 and 3 Identification amp II 2 G EEx ib d IIB T3 Testing institution Physikalisch Technische Bundesanstalt Braunschweig The test certificates can be found in the appendix nx Note Explosion protection is valid only for detectors with serial nos beginning with 046 03 XXXX Detectors with serial nos beginning with 046 01 XXXX have no explosion protection 11 1 SR2 DO system 1 4 12 Charging equipment The SR2 DO can be recharged in the workshop or the emergency vehicle not shown HS charging adapter to hold the instr
39. s a combined measuring instrument for a number of different gases It consists of e the basic instrument incorporating a pump and a data memory for documentation purposes Slots to plug in a max of 4 sensors to monitor up to 5 dif ferent gases in case of using the combination sensor for methane and carbon dioxide The following sensors are available e methane CH carbon dioxide CO combination sensor e oxygen O e hydrogen sulphide H S e ammonia NH e carbon monoxide CO 1 2 1 SR2 DO system Fields of application The SR2 DO is suitable for the following fields of application Atmospheric monitoring in shafts and chambers in these fields e drinking water supply metering and transfer shafts e district heating systems e telecommunications shafts e effluent treatment systems sewage works pump sumps digestion tank areas rain overflow basins e traffic areas e accessible culverts e biogas plants e Measuring explosive mixtures due to leaking gas pipes near the shaft due to the proximity of oil coal natural gas or LPG storage facilities due to the proximity of landfill sites marshland chemical works filling stations or refineries due to cleaning or coating work with substances containing solvents due to the prohibited introduction of combustible substances into the canal network e g petrol leaks due to the formation of methane in biogas plants e Measuring a sho
40. s inlet e switch on device e open needle valve fully H2S zero point 0 PPM o aa oreo o 6 environmental air is sampled e wait for the display to settle at a G Di stable value and confirm the LI OD adjustment with the on off key di OK appears in the LC display LA N KS 6 LA e pressing the cursor up key EM brings you to the next display H2S sensitivity 40 PPM mi so wm 9 now release 40 PPM HS test UUJ gas from the test set SPE VOL P e wait for the display to settle at a LI LICIM stable value and confirm the ur adjustment with the on off key gi d d i L4 OK appears in the LC display e once this has happened turn off the test gas feed 43 7 Adjustment menu 7 3 Setting the O sensor Preparation the instrument hose connects the outlet of the test set to the instrument s inlet e switch on device e open needle valve fully 02 sensitivity 0 vol o 2 wee a now release test gas 100 vol i CH from the test set SPE VOL e wait for the display to settle at a in stable value and confirm the j adjustment with the on off key OK appears in the LC display e once this has happened turn off the test gas feed e pressing the cursor up key brings you to the next display 02 zero point 20 9 vol e environmental air is sampled UN e wait for the display to settle at a Q 7 stable value and confirm the cl
41. scheduled inspection display optional e if you have set an inspection Tz interval the next scheduled VI inspection date e g 17 04 2000 is displayed for about 3 seconds E cf section 9 3 Setting the inspection interval e depending on the current and inspection dates the intermittent or continuous alarm may also be triggered items 1 and 7 e clearing the alarm with the A buzzer key or waiting for 15 seconds switches to measuring operation nx Note If the SR2 DO now automatically switches off the inspection date has passed with the inspection block switched on cf section 9 4 Setting the inspection block The instrument does not revert to measuring operation until an inspection has been carried out and confirmed 23 3 Measuring operation 3 3 24 Measuring operation e 3 En e cach gas present is displayed for about 3 seconds the display then switches to the next e the pump runs at maximum power e the alarm threshold is activated Note A e on instruments that are only fitted with the CH CO sensor both readings are displayed simultaneously In this example the readings are 8 7 vol CH4 and 4 vol CO2 3 4 Switching gases aj Ly 3 Measuring operation e pressing the manual key toggles between automatic and manual gas switching Automatic switching e cach gas is displayed for about 3 seconds then the display switches to th
42. st results in the test report Pum ower e use the needle valve fig 1 item F to set the flow to maximum it must be greater than 30 I h Zero point e wait for the instrument to settle at a stable zero point permissible tolerances with fresh air are Gas tolerance Methane CH 1 0 1 0 vol Carbon dioxide CO 1 1 vol Oxygen O 20 4 21 4 vol Hydrogen sulphide HS 10 10 ppm Carbon monoxide CO 3 3 ppm Ammonia NH3 3 3 ppm If display values are outside these tolerances the pertinent sensor must be readjusted cf section 7 Adjustment menu 5 Testing the instrument Sensitivity e press the release key fig 1 item D on the test set SPE VOL and adjust the flow to the fresh air value fig 1 item F e hold down the release key until the displayed concentration has settled at a stable value permissible tolerances with test gases Gas tolerance Methane CH 97 103 vol Carbon dioxide CO 97 103 vol Oxygen O 0 5 0 5 vol Hydrogen sulphide H S 36 44 ppm Carbon monoxide CO 37 43 ppm Ammonia NH 47 53 ppm If display values are outside these tolerances the pertinent sensor must be readjusted cf section 7 Adjustment menu 37 6 Info menu 6 Info menu 6 1 Menu structure INFO V2 1 V JUSTAGE H2S H2S 02 02 CH4 CO2 CH4 CO2 SVOL 0 PPM 2000 PPM 0 VOL 20 9 VOL 0 VOL 100 VOL 100 VOL SGAZ INS OK EXIT gt MEM
43. sure and flow meter release key and connection hoses Pressure cylinders for testing and adjusting display sensitivity various test gas concentrations in 0 4 2 0 10 0 litre steel cylinders at pressures of 100 150 bar 2 Safety 2 Safety 2 1 Safety notes CAUTION Please note that when the SR2 DO is in measuring operation the gas sample is released into the ambient air through its outlet Special care must be taken to ensure that this does not produce an explosive or toxic gas mixture especially during use in confined spaces It may therefore be necessary to use a gas warning device to monitor the air We recommend the Ex Tec Combi CAUTION Always use original SEWERIN accessories with the SR2 DO CAUTION Always use a probe hose with a hydrophobic filter CAUTION Do not operate outside the permissible temperature range of 10 C to 40 C 17 2 Safety 18 CAUTION The SR2 DO may not be recharged in an area that is exposed to the danger of explosion CAUTION Use the test gases only in well ventilated areas as some concentrations exceed the pertinent MAK values CAUTION The SR2 DO satisfies the limits of the EMV regulation When using it near mobile radio equipment please also observe the instructions in their manuals 31 Measuring operation Instrument description Note 3 Measuring operation Fold out the illustration inside the front cover Item description 1 al
44. t e can be used where there is a danger of explosion 1 6 Probes 1 SR2 DO system Floater probe for measuring concentrations in shafts floater with intake orifice and hose connection Divisible manual probe for measuring concentrations in containers or at inaccessible locations grip with extension and hose connector overall length 900 mm Flexible manual probes for measuring concentrations in containers or at inaccessible locations grip with flexible probe tip and hose overall lengths 360 mm or 660 mm Gas detection probe for measuring concentrations in probe holes with a rigid rubber cone to seal off the probe hole and 2 different probe tips length 245 mm or 345 mm Probe hose to connect the warning device and the probe with hydrophobic filter for moisture protection in lengths 1m 2m 6m 15 1 SR2 DO system 1 7 16 Test equipment The following accessories are available for monitoring and testing the pump performance and sensitivity of the SR2 DO not shown Test set SPE VOL for mobile and in vehicle use with connection for SEWERIN test gas bottles flow meter manometer release key and connection hose Test gas bottles for testing and adjusting display sensitivity various test gas concentrations in 1 litre bottles at pressures of about 12 bar Test set SPE2 for non mobile use in the workshop with connections for several SEWERIN pressure cylinders pres
45. ter about 4 minutes pump on off Operating instructions SR2 DO 103952 19 11 2004 V2 1 For your safety This product may only be operated by appropriately trained persons who are familiar with the relevant operating manual It may only be used for its designated purpose i e for industrial and commercial use Repair work may only be carried out by specialists or by persons who have undergone appropriate training Any alterations or modifications to the product require the prior approval of Hermann Sewerin GmbH In the event of unauthorised alterations to the product the manufacturer accepts no liability for damage Only Hermann Sewerin GmbH accessories may be used with the product Only spare parts approved by us may be used for repairs Hermann Sewerin GmbH accepis 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 exten ded by the foregoing We reserve the right to make changes in the context of continued technical development In addition to these instructions please comply with generally applicable safety and accident prevention regulations Symbols used CAUTION This symbol warns of dangers that may threaten the safety of the user or maty damage or destroy the product Note This symbol flags information and hints extending beyond the actual operation of the product Co
46. u item cf section 8 Memory menu e the cursor up key brings you to the next display e you are now in the SYSTEM menu item cf section 9 System menu e the cursor up key brings you to the next display 6 Info menu N e you are now in the EXIT menu item e ihere are now 2 ways of continuing to navigate through the menu structure e pressing the cursor up key returns you to the adjustment menu item cf menu structure e briefly pressing the on off key leaves the menu structure and the instrument switches to measuring operation 41 7 Adjustment menu 7 Adjustment menu 7 1 Menu structure JUSTAGE H2S 0 PPM H2S 2000 PPM O2 0 VOL O2 20 9 VOL CH4 CO2 0 VOL CH4 100 S SVOL co2 100 VOL SVOL GAZ INS OK EXIT gt The illustration shows the adjustment menu of a H S O CH CO sensor equipped instrument nx Note Volume and style of the menu items in the adjustment menu depend on number and type of sensors built in to your instrument you are in the adjustment menu item mn LA VT JK p 0 U DU q e briefly pressing the on off key brings you to the adjustment menu 42 7 Adjustment menu 7 2 Setting the H S sensor nx Note The pump always runs during adjustment of the H S sensor Preparation the instrument hose connects the outlet of the test set to the instrument
47. ument with a connection socket for the plug in power pack or a vehicle adapter 230 V plug in power pack to connect the HS charging adapter to a 230 volt mains supply 12 V vehicle adapter to connect the HS charging adapter to a 12 volt vehicle battery 24 V vehicle adapter to connect the HS charging adapter to a 24 volt vehicle battery 1 5 1 SR2 DO system Carrying equipment TRIANGEL carrying system a quick and easy way of carrying the instrument consisting of a carrying strap and neck pad Ne sh I front view side view back view CROSS STRAP carrying system a comfortable way to carry the instrument for longer periods consisting of 2 carrying straps crossed at the back N front view side view back view 13 1 SR2 DO system 14 VT SR case lockable system case with aluminium frame e foam lining with compartments the instrument can be charged in the case e operating manual compartment e dimensions excluding handle 710 x 180 x 420 mm W x H x D VT SR universal case not shown e semi rigid system case e foam lining with compartments e compartment for operating manual e dimensions excluding handle 540 x 130 x 400mm WxHxD VT SR case not shown leather case with viewing window and openings for instrument connections 4 lugs to attach the TRIANGEL or CROSS STRAP carrying systems e Velcro fastening strap for attachment to the bel

SR2 - D O

Contents

Download Pdf Manuals

Related Search

Related Contents