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MBA Instruments MLA 900, Руководство по эксплуатации

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Preparing for operation

MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH

11

MLA 900

3

Preparing for operation

Supplied parts

Assembly

Содержание MLA 900

Страница 1: ...Operating Instructions Operation Maintenance Approvals MLA 900 Conductivity meter for light petroleum products Title ...

Страница 2: ...roduct names used in this document may also be trademarks and are only used for identification purpose MBA Instruments GmbH All rights reserved Warning symbols Warning levels signal words GEFAHR Immediate hazard which will result in serious injury or death WARNUNG Risk or hazardous situation which could result in serious injury or death VORSICHT Hazard or unsafe practice which may result in minor ...

Страница 3: ...operation 11 3 1 Supply schedule 12 3 2 Assembly 13 4 Handling 15 4 1 Display unit 17 4 1 1 Handling 17 4 1 2 Switching on and off 17 4 1 3 Measuring value displays 17 4 2 Fault limit value displays 19 4 3 Performance test 21 4 4 Measuring procedure 23 4 5 Measures in the event of a fault damage 24 5 Maintenance 25 5 1 Cleaning 27 5 1 1 Cleaning the probe cable 27 5 1 2 Cleaning the measuring prob...

Страница 4: ...Contents 4 MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH ...

Страница 5: ...For your own safety MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH 5 MLA 900 1 For your own safety General safety Essential safety notes ...

Страница 6: ...ese operating instructions VORSICHT Risk of wrong measurements b Before using the MLA 900 carry out a performance test S 21 4 3 always to be done outside of the hazardous locations WARNUNG Hazard when potential equalisation is missing b Before the measuring probe is lowered into the liquid container Safely connect the ground clamp of the display unit with the liquid container potential equalisatio...

Страница 7: ...Notes on application MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH 7 MLA 900 2 Notes on application Designated use Application restrictions Official approval ...

Страница 8: ...designed as a measuring instrument for outside use b Use the MLA 900 at an ambient temperature of 20 C 60 C 4 140 F Outside this temperature range it can no longer be guaranteed that the instrument will function correctly 2 1 2 Application restrictions The MLA 900 may only be used to measure the conductivity and temperature of petroleum products such as petrol kerosene and oils greases Other liqui...

Страница 9: ...a reaction continues independently after ignition An explosive atmosphere contains explosive mixtures of gases vapours mists or dusts with air including usual admixtures for example humidity under atmospheric conditions Atmospheric conditions are here defined as total pressures of 0 8 to 1 1 bar and gas mixture temperatures of from 20 C to 60 C A dangerous explosive atmosphere occurs when in the e...

Страница 10: ... 900 is intended exclusively for mobile use at different locations The measuring probe of the MLA 900 is approved for use in containers for inflammable liquids Hazardous Location Zone 0 The display unit of the MLA 900 may only be used in Hazardous Location Zone 1 The measuring probe may only be used in such liquids against which the materials of which it is made offer adequate chemical resistance ...

Страница 11: ...Preparing for operation MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH 11 MLA 900 3 Preparing for operation Supplied parts Assembly ...

Страница 12: ...aks Damaged cables must not be used in hazardous locations b Never buckle the probe cable and do not bend the cables too far b At temperatures below 0 C 32 F treat the probe cable with particular care because the cable sheath may become brittle at these temperatures Avoid tight bending risk of breakage Keep the transport box even if you do not wish to use it when operating the MLA 900 It may be us...

Страница 13: ... on it Probe cables b Connect the display unit to the measuring probe with one of the probe cables supplied Choose the cable length which is the best for the application Ground clamp b Make sure that the ground clamp is firmly attached to the display unit threaded connections cable lugs b Do not start up the MLA 900 if this is not sure Bild 2 Connecting the probe cable You can also connect the pro...

Страница 14: ...14 MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH Preparing for operation ...

Страница 15: ...Handling MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH 15 MLA 900 4 Handling Instrument display Performance test Measuring procedure ...

Страница 16: ...the serial number of the probe to to red button display 1000 cu 10 cu CAUTION Do NOT change battery within the explosive areas Nach Gebrauch Deckel schlie en Funktionstest Seriennummer der Sonde an roten Testpunkt halten Anzeige 1000 cu 10 cu ACHTUNG Batteriewechsel darf NICHT im EX Bereich vorgenommen werden temperature measured light sensor ON OFF conductivity measured ...

Страница 17: ...ys b Watch out for fault and limit value indications S 19 4 2 If you put the display unit down while measuring make sure that it is standing securely because it might be pulled down by the weight of the measuring probe or even fall into the liquid container WARNUNG Risks by wrong use b In hazardous locations the display unit may only be operated within Zone 1 b Before the measuring probe is introd...

Страница 18: ...button display 1000 cu 10 cu CAUTION Do NOT change battery within the explosive areas Nach Gebrauch Deckel schlie en Funktionstest Seriennummer der Sonde an roten Testpunkt halten Anzeige 1000 cu 10 cu ACHTUNG Batteriewechsel darf NICHT im EX Bereich vorgenommen werden BAT BAT conductivity measured is lower than 50 pS m or fault battery is almost spent measuring range overflow conductivity measure...

Страница 19: ...t Meaning Measures instructions The probe cable is broken b Carry out a performance test S 21 4 3 b If unsuccessful change the probe cable Then carry out another performance test Measuring probe is badly contaminated or moist splashed with water b Clean and dry the measuring probe S 27 5 1 WARNUNG Risk by damaged cable b Do not operate the instrument in hazardous locations if the probe cable is da...

Страница 20: ... Function test Press the serial number of the probe to to red button display 1000 cu 10 cu CAUTION Do NOT change battery within the explosive areas Nach Gebrauch Deckel schlie en Funktionstest Seriennummer der Sonde an roten Testpunkt halten Anzeige 1000 cu 10 cu ACHTUNG Batteriewechsel darf NICHT im EX Bereich vorgenommen werden min max Nr 930XXX PTB02ATEX2201X ...

Страница 21: ...ayed carefully clean the measuring probe S 27 5 1 b If a value below 2 pS m is displayed check the battery S 29 5 2 Check measuring function 3 Hold the surface of the measuring probe with the company logo close to the red disc on the display unit The MLA 900 should display 1000 pS m 10 pS m b If the value is not between 990 and 1010 pS m check the battery S 29 5 2 VORSICHT Risk of wrong measuremen...

Страница 22: ...e cover after use Function test Press the serial number of the probe to to red button display 1000 cu 10 cu CAUTION Do NOT change battery within the explosive areas Nach Gebrauch Deckel schlie en Funktionstest Seriennummer der Sonde an roten Testpunkt halten Anzeige 1000 cu 10 cu ACHTUNG Batteriewechsel darf NICHT im EX Bereich vorgenommen werden ...

Страница 23: ...ach it to the underside of the display unit 1 Measuring probe safely connected to the probe cable So that the measuring probe won t get lost in the liquid container 2 Cylinder of the measuring probe tightly screwed on Otherwise wrong measurements and or faults could occur S 19 4 2 3 Measuring probe sufficiently clean Contamination results in wrong measuring results cleaning S 27 5 1 4 Connection o...

Страница 24: ... component is detected the MLA 900 must not be taken into a hazardous location If the MLA 900 is faulty or damaged b Mark the instrument clearly as faulty for example using a sticker b Make sure that the MLA 900 is no longer used in hazardous locations WARNUNG Risk caused by damaged measuring probe If the cylinder of the measuring probe is deformed for example partly dented the conductivity measur...

Страница 25: ...Maintenance MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH 25 MLA 900 5 Maintenance Cleaning Battery replacement Spare parts ...

Страница 26: ...26 MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH Maintenance Bild 7 Surfaces of the measuring probe sensitive to contamination Nr 930XXX PTB02ATEX2201X ...

Страница 27: ...rm any cleaning works only outside hazardous locations If you are not able to detach the cylinder by hand try using the two pins on the underside of the display unit which fit into the cylinder face VORSICHT Damage risk Do not fix the measuring probe s body or cylinder in a vice The pressure from the vice could burst the plastic material in the probe body Deformations in the cylinder will cause wr...

Страница 28: ...28 MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH Maintenance Figure 8 Changing the battery ...

Страница 29: ...ert the new battery and connect the battery cable 6 Screw the enclosure back together Make sure that the enclosure seal is correctly positioned that no cables are pinched 7 Carry out a performance test S 21 4 3 Caution for safety reasons make this first performance test after battery replacement outside hazardous locations HINWEIS Risk of damage by leaking battery Caustic liquid could escape from ...

Страница 30: ...9 permanent magnet disc on display unit used for performance test 4039227 seal seal for display unit enclosure 4038445 transport case Display unit and measuring probe have been individually adapted in the factory If you connect a different probe the measuring accuracy cannot be guaranteed b Only connect the measuring probe to the display unit with the identical serial number on it If only the meas...

Страница 31: ...Storage transport MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH 31 MLA 900 6 Storage transport Storage Shipping notes ...

Страница 32: ... probe cable and the cable with the ground clamp carefully onto the cable bracket of the display unit Attach the measuring probe and the ground clamp in the brackets of the display unit b Protect the display unit Protect the display unit against condensation humidity and splashing b Packing Stow the MLA 900 in transport case supplied b Observe the admissible storage and transport temperature 6 1 b...

Страница 33: ... operating conditions The name of the our representative who is informed about the problem or with whom you have arranged transport to the workshop The contact person in your company who can answer any questions that may arise This will help to bring your instrument quickly back to perfect operation Please add the information even if your matter has already been discussed with our customer service...

Страница 34: ...34 MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH Storage transport ...

Страница 35: ...Approval certificate MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH 35 MLA 900 7 Approval certificate ...

Страница 36: ...36 MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH Approval certificate Bild 9 European approval certificate page 1 of 2 ...

Страница 37: ...Approval certificate MLA 900 Operating Instructions V2 0 8011381 MBA Instruments GmbH 37 Bild 10 Certificate of the European approval page 2 of 2 ...

Страница 38: ... performance test 21 spare parts 30 switching on off 17 Displays 17 fault 19 limit value 19 E EEx ia IIB T6 10 EIZulBergV 9 ElexV 9 10 EN European Standards 9 European Standards 9 F Fault consequences 24 Fault displays 19 G Ground terminal handling during measurement 23 spare part 30 testing 13 H Handling 15 Hazardous areas 9 I Information symbols 2 Intrinsically safety 9 L Limit value 19 M Mainte...

Страница 39: ...ns 9 S Seal for display unit 30 Shipping 32 Signal words 2 Spare parts 30 Storage 31 32 Supply schedule 12 Switching on off 17 Symbols explanation 2 T Temperature display 17 during operation 8 for storage transport 32 Transport 31 32 W Warning symbols warning levels 2 Z Zone 0 Zone 1 9 ...

Страница 40: ...MLA 900 8011381 2 0 2010 06 MBA Instruments GmbH Friedrich List Str 7 D 25451 Quickborn Germany Telefon 49 0 41 06 123 888 0 Fax 49 0 41 06 123 888 9 www mba instruments de info mba instruments de ...

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