Summary of Contents for MBA Instruments MLA 900
- Page 1 Operating Instructions Title MLA 900 Conductivity meter for light petroleum products Operation Maintenance Approvals...
- Page 2 NOTICE Hazard or unsafe practice which could result in property damage. Information symbols Important technical information for this product Nice to know Supplementary information Link to information at another place Operating Instructions 8011381 V2.0 © MBA Instruments GmbH...
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Page 3: Table Of Contents
..........35 MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... - Page 4 C o n t en t s MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 5: For Your Own Safety
For your own safety … MLA 900 For your own safety … General safety Essential safety notes MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... -
Page 6: General Safety In Hazardous Locations
The most important safety rules are: VORSICHT: Risk of wrong measurements 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:... -
Page 7: Notes On Application
Notes on application MLA 900 Notes on application Designated use Application restrictions Official approval MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... -
Page 8: Approved Use
The MLA 900 is designed as a measuring instrument for outside use. 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. -
Page 9: Regulations And Standards Fulfilled
»constantly or for longer periods«; for example, in tank facilities. – Zone 1 covers areas in which a dangerous explosive atmosphere »occasionally« occurs; for example, in the vicinity of refuelling nozzles. MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... -
Page 10: Approval For The Mla 900
The MLA 900 is approved for use in hazardous locations in which inflammable gases, vapours or mists may occur (EEx ia IIB T6). The MLA 900 measuring probe is approved for use in Zone 0, the display unit for use in Zone 1. -
Page 11: Preparing For Operation
Preparing for operation MLA 900 Preparing for operation Supplied parts Assembly MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... -
Page 12: Supply Schedule
Keep the transport box even if you do not wish to use it when operating the ● MLA 900. It may be useful as a shipping packaging. List of spare parts → S. 30, §5.3 ● MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... -
Page 13: Assembly
Preparing for operation Assembly The MLA 900 consists of four instrument components (measuring probe, display unit, ground clamp, probe cables). – Note: These components will only conform to the technical safety regulations for the petroleum industry when used as an assembled unit. - Page 14 Preparing for operation MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 15: Handling
Handling MLA 900 Handling Instrument display Performance test Measuring procedure MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... - Page 16 Anzeige: 1000 cu + 10 cu CAUTION: Do NOT change battery ACHTUNG: Batteriewechsel darf NICHT within the explosive areas! im EX-Bereich vorgenommen werden! temperature light conductivity measured measured sensor Temperature Conductivity MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 17: Display Unit
4.1.2 Switching on: Open the cover flap of the display unit. ➝ The MLA 900 automatically starts up when the light sensor is exposed to light. Switching off: Close the cover flap. ➝ When the flap is closed, the MLA 900 automatically shuts off. - Page 18 EX-Bereich vorgenommen werden! Temperature Conductivity battery conductivity measured measuring range is almost spent is lower than 50 pS/m overflow – or – (conductivity measured is greater than 1999 pS/m fault MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 19: Fault/Limit Value Displays
Measuring probe is badly contaminated or Clean and dry the measuring probe moist (splashed with water). (→ S. 27, §5.1). Carry out a performance test (→ S. 21, MLA 900 is damaged. §4.3). MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... - Page 20 Anzeige: 1000 cu + 10 cu PTB02ATEX2201X CAUTION: Do NOT change battery ACHTUNG: Batteriewechsel darf NICHT max. within the explosive areas! im EX-Bereich vorgenommen werden! MLA 900 Temperature Conductivity MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 21: Performance Test
Check basic condition 2 Open the cover flap of the display unit in order to switch on the MLA 900. Let the measuring probe hang free in the air. ➝ The conductivity value measured should then read …... - Page 22 1000 cu + 10 cu Anzeige: 1000 cu + 10 cu CAUTION: Do NOT change battery ACHTUNG: Batteriewechsel darf NICHT within the explosive areas! im EX-Bereich vorgenommen werden! Temperature Conductivity MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 23: Measuring Procedure
Finishing the measurement 1 Switch off the MLA 900: Close the cover flap of the display unit. 2 Remove the measuring probe: Pull in the measuring probe carefully out of the liquid container (recommendation: wipe the probe cable when pulling out and dry with a soft cloth). -
Page 24: Measures In The Event Of A Fault/Damage
(→ S. 21, §4.3). Check the mechanical condition of the measuring probe. If the MLA 900 is faulty of damaged: send both the display unit and the measuring probe to the manufacturer's factory for repair (detailed information → S. 13, §3.2). -
Page 25: Maintenance
Maintenance MLA 900 Maintenance Cleaning Battery replacement Spare parts MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... - Page 26 Maintenance Bild 7 Surfaces of the measuring probe sensitive to contamination Nr.: 930XXX PTB02ATEX2201X MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 27: Cleaning
Use only solvents which cannot attack the enclosure or the print on the display unit (→ S. 8, §2.1.2). VORSICHT: Risk by damage parts If the display unit enclosure has been attacked by solvents: Do not put the MLA 900 into operation. MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... - Page 28 Maintenance Figure 8: Changing the battery MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 29: Battery
Note in a suitable place when the battery was last replaced. Replacing the battery WARNUNG: Risks in explosion-hazardous locations When using the MLA 900 in hazardous locations, use only batteries of the original type (→ S. 30, §5.3). ⊗ Never open the enclosure inside a hazardous location. -
Page 30: Spare Parts
If only the measuring probe or the display unit has become unusable or has been lost, you can send the remaining part to the manufacturer's factory and have this made back into a complete MLA 900. MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... -
Page 31: Storage, Transport
Storage, transport MLA 900 Storage, transport Storage Shipping notes MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... -
Page 32: Correct Storage
Storage, transport Correct storage Please observe these instructions if the MLA 900 is to be taken out of service for more than 3 months: Remove the battery (→ S. 29, §5.2). Keep all the components stored in a dry place at room temperature (15 … 20 °C/ 59 …... -
Page 33: Shipping For Repair
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 or a representative. MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... - Page 34 Storage, transport MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
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Page 35: Approval Certificate
Approval certificate MLA 900 Approval certificate MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH... - Page 36 Approval certificate Bild 9 European approval certificate, page 1 of 2 MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
- Page 37 Approval certificate Bild 10 Certificate of the European approval, page 2 of 2 MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
- Page 38 EN (European Standards) ....9 European Standards ......9 MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
- Page 39 Zone 0, Zone 1 ......9 MLA 900 Operating Instructions V 2.0 8011381 © MBA Instruments GmbH...
- Page 40 8011381 ( 2.0) · 2010-06 MLA 900 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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