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Dräger Polytron Ex Скачать руководство пользователя страница 10

Installing Transmitters Polytron Ex resp. Ex R

Page 10 of 40

9023744 - 3rd edition - October 2005

Mounting of the Transmitter Polytron Ex R

●

Mount at an accessible place

●

Observe maximum length of 10 m of the pre-conditioned connection cable bet-
ween sensing head SE Ex and transmitter Polytron Ex R.

●

Mount with four screws through the housing
or

●

by means of the mounting brackets.

Mounting the Sensing Head SE Ex

●

Mount with four screws through the housing.

— Further information concerning installation see installation sheet which is coming

with each sensing head SE Ex.

00523

7

4

4_1

.eps

00623

7

4

4_1

.eps

68

45

4,5

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9
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Содержание Polytron Ex

Страница 1: ...9023744 3rd edition October 2005 Page 1 of 40 D Polytron Transmitter Ex and Ex R Instructions for Use 00123744_1 eps...

Страница 2: ...between Transmitter and Central Unit 11 3 Wire Connection 11 4 Wire Connection 12 Connection between Transmitter Polytron Ex R and Sensing Head SE Ex 13 Installing Ex sensor in the Transmitter 13 Adju...

Страница 3: ...on Ex and Ex R 24 Ex sensors 25 Ex sensor PR M 25 Ex sensor LC M 25 Sensing Heads SE Ex 26 Dimensions 26 Measuring other gases and vapours 27 Transmitter Ex Ex R 28 Sensing Head SE Ex 29 Design and Mo...

Страница 4: ...cording to the national or European regulations on electrical equipment in potentially explosive atmospheres may be used only under the conditions speci ed here Modi cations of components or the use o...

Страница 5: ...g range of 0 to 99 or 0 to 9 9 LEL can be realized Remark The measuring range 0 to 9 9 LEL is displayed without a decimal point as an integer value between 0 and 99 The sensing head SE Ex PR M ET resp...

Страница 6: ...e point of detection are well accessible for the user Transmitter Polytron Ex with Ex sensor PR M Transmitter Polytron Ex with Ex sensor LC M Transmitter Polytron Ex R with remote sensing head SE Ex t...

Страница 7: ...olytron Ex R The transmitter Polytron Ex R is intended to be used for the detection of ammable gases and vapours under atmospheric conditions The sensing head is connected to an inseparably connected...

Страница 8: ...e for use with the following gases and vapours as regards the measurement function for explosion protection Methane propane hydrogen n butane ethene ethylene dimethylether acetone ammonia gasoline 065...

Страница 9: ...cated above a possible leak or at the highest points at which major concentrations of gas may be found In case of gases and vapours with a density greater than that of air the sensing head resp transm...

Страница 10: ...e pre conditioned connection cable bet ween sensing head SE Ex and transmitter Polytron Ex R Mount with four screws through the housing or by means of the mounting brackets Mounting the Sensing Head S...

Страница 11: ...over and fix it with the screws Observe the tightness of the rubber gasket Complete installation by fixing the cover of the transmitter with four screws and observe tightness 3 Wire Connection The cab...

Страница 12: ...itter terminals K1 and K3 must not exceed 20 Ohms The sum total of the input resistance of the central controller and the line resistances of both cores for the connection to the transmitter terminals...

Страница 13: ...he ex approval Installing Ex sensor in the Transmitter 1 Loosen hexagon socket head bolts on upper side and remove upper section 2 Unscrew bayonet ring remove cover plate 3 Remove Ex sensor from packa...

Страница 14: ...t points Switch on power supply 5 Using potentiometer adjust voltage at the test points for 270 mA 891 mV for 276 mA 911 mV 4 Disconnect voltmeter 6 Screw upper section onto housing using the hexagon...

Страница 15: ...ses or vapours present or with calibration adapter Supply clean air at a rate of approx 0 5 L min via the calibration adapter 2 Wait for the display to stabilize max 3 minutes Set potentiometer such t...

Страница 16: ...sensor must be replaced refer to page 22 Following Completion of Calibration 1 Set sliding switch to position 0 normal 2 Use special key to close flap in front of adjusters Calibrating Transmitter Po...

Страница 17: ...ng in LEL For calibration with solvent vapours use can be made of the calibration chamber see Order List page 31 in which a specified amount of solvent is evaporated so as to obtain for example 50 LEL...

Страница 18: ...mended calibration gas con centration s table below at a flow rate of approx 0 5 L min via the calibration adapter The calibration gas must be a mixture of the gas component to be monitored in air Mix...

Страница 19: ...9023744 3rd edition October 2005 Page 19 of 40 Start Up Following Completion of Test 1 Set sliding switch to position 0 normal Use special key to close flap in front of adjusters 02823744_1 eps 1...

Страница 20: ...List order no 68 10 537 This simply presses into place in the opening in front of the sensor sintered metal disc and locks in position The dust lter has virtually no adverse effect on sensor response...

Страница 21: ...as warning system not exceeding a time interval of six months Check the zero adjustment and sensitivity calibration see page 15 to page 17 In particular it is important to check the condition of the s...

Страница 22: ...cally safe The transmitter must be calibrated following sensor replacement see page 15 Allow 10 minutes for new Ex sensor to warm up Transmitter Polytron Ex R Use only Dr ger Sensors resp sensing head...

Страница 23: ...ause Remedy No Display Cable faulty Check cable to central controller Transmitter resp sensing head can no longer be calibrated Ex sensor faulty or poisoned Replace Ex sensor page 22 Measurement curre...

Страница 24: ...l conditions during operation 40 o C to 65 o C 2 700 to 1300 hPa in hazardous areas 800 to 1100 hPa 10 to 95 r h 2 The readability of the LC display might be affected at temperatures below 20 o C duri...

Страница 25: ...y D 23560 L beck Germany Type Ex sensor PR M II 2G EEx d IIC T6 T5 T4 T3 DMT 97 ATEX E001X C0158 year of manufacturing by serial number 1 1 The year of manufacturing is coded by the third capital lett...

Страница 26: ...r of manufacturing by serial number 1 1 The year of manufacturing is coded by the third capital letter of the serial number on the type plate S 2002 T 2003 U 2004 W 2005 X 2006 Y 2007 Z 2008 A 2009 B...

Страница 27: ...methylether CH3OCH3 3 0 4 2 Ethanol C2H5OH 3 3 4 0 99 51 55 Ethene ethylene C2H4 2 7 5 2 Ethyl acetate CH3COOC2H5 2 1 4 0 99 67 72 Ethylene oxide C2H4O 2 6 3 0 51 36 41 2 n hexane C6H14 1 2 4 0 99 67...

Страница 28: ...Technical Data Page 28 of 40 9023744 3rd edition October 2005 Transmitter Ex Ex R 106 mm 82 mm 152 mm 03823744_1 eps...

Страница 29: ...9023744 3rd edition October 2005 Page 29 of 40 Technical Data Sensing Head SE Ex 45 mm 68 mm 03923744_1 eps...

Страница 30: ...t pellistor The oxygen required for combustion is obtained from the monitored air The detector element is additionally heated by the resultant heat of reaction This heat in turn cau ses a change in th...

Страница 31: ...ge 0 to 99 LEL 68 09 758 Sensing head SE Ex LC M measuring range 0 to 9 9 LEL 68 10 486 Accessories Cable gland 7 to 12 mm for second connecting cable 83 16 563 Dust lter 2 packing qty 10 2 Not tested...

Страница 32: ...EC Type Examination Certi cate BVS 03 ATEX E 160 X Page 32 of 40 9023744 3rd edition October 2005 EC Type Examination Certi cate BVS 03 ATEX E 160 X...

Страница 33: ...9023744 3rd edition October 2005 Page 33 of 40 EC Type Examination Certi cate BVS 03 ATEX E 160 X...

Страница 34: ...Page 34 of 40 9023744 3rd edition October 2005...

Страница 35: ...9023744 3rd edition October 2005 Page 35 of 40 EC Type Examination Certi cate BVS 03 ATEX E 160 X...

Страница 36: ...Declaration of Conformity Page 36 of 40 9023744 3rd edition October 2005 Declaration of Conformity...

Страница 37: ...alibration gas concentration 15 17 18 Catalyst poisons 8 CE marking 24 Central controller 5 Completion of Calibration 16 17 Completion of Test 19 Connection between Transmitter and Central Unit 11 Con...

Страница 38: ...ts 9 10 One man calibration 5 Operating voltage 24 Operational parameters 25 26 Operational Use 20 Order List 31 Power consumption 24 Power supply circuit 25 Principle of Operation 30 Resolution 24 Sa...

Страница 39: ...lytron Ex R with sensing head SE Ex LC M 6 Transmitter Polytron Ex R with sensing head SE Ex PR M ET 6 Transmitter with measurement function for explosion protection according to 94 9 EC 8 Ventilation...

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