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Summary of Contents for MBA MLA1000
- Page 1 Operating Instructions MLA1000 Conductivity Meter for Flowing Light Oil Description Installation Operation...
- Page 3 Warranty information The stated product characteristics and technical data do Warning levels/signal words not constitute warranty declarations. WARNING © MBA Instruments GmbH. All rights reserved. Hazard situation for people that could result in serious injuries or death. CAUTION Glossary Hazard that could result in less serious or minor injuries ATEX Atmosphères explosibles: Abbreviation for...
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Page 4: Table Of Contents
Cleaning the measuring probe ..............................22 Reinstalling the measuring probe............................22 Troubleshooting ......................................23 If the MLA1000 does not function at all ..........................23 If the measurement readings are obviously incorrect......................23 Appendix ........................................24 Technical data ..................................24 8.1.1... -
Page 5: Safety Instructions
► Only use measuring probes and probe cables that have been approved by the manufacturer for the intended measuring liquid. ► Only put the MLA1000 into operation when the entire housing and all the cable glands have been correctly sealed. -
Page 6: Responsibilities Of The User
Only allow installation and use by specialist technicians ► Make sure that the MLA1000 is only installed and used by specialist technicians who, on account of their specialist training and knowledge and their familiarity with the applicable regulations, are able to assess the work assigned to them and recognise any hazards. -
Page 7: Product Description
Zone 0 hazardous areas. ● The MLA1000-A display unit (→ p.9, section 2.3.2) is certified for use in Zone 1 hazardous areas. Numbers of the type examination certificates → p.24, section 8.2 MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments... -
Page 8: Operating Principle
MLA1000 Continuous Conductivity Measurement Operating principle ● The measuring probe of the MLA1000 is installed in the container through which the measuring liquid flows (e.g. a piping system). The measuring liquid must meet certain requirements (→ p.11, section 3.1.1). ●... -
Page 9: Options
– with securing chain – for the display unit Mounting bracket – for the immersion pipe Sliding sleeve – as sluice for the immersion pipe Ball valve MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 10: Scope Of Delivery
Certificate of conformity ● Type examination certificate BVS 14 ATEX E047 X (for MLA1000-S probe) ● Type examination certificate BVS 14 ATEX E026 X (for MLA1000-A display unit) ● Operating instructions ● If delivery includes a ball valve: Directions for use from the manufacturer of the ball valve ●... -
Page 11: Installation Of The Measuring Probe
As required: Install auxiliary devices for the measuring probe. disassembling the probe while the piping system is in operation (sliding sleeve[1], ball valve[1]). [1] Optional (→ p.9, section 2.3.4). MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 12: Preparing The Piping System
► Set the marker arrow on the immersion pipe so that it points in the direction of flow for the measuring probe (→ Fig. 2). Fig. 2 Marker arrow for the direction of flow 1 Marker arrow 2 Outlet 3 Direction of flow MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... - Page 13 Affix the immersion pipe in this position. Connecting the probe cable ► Connect the probe cable. Secure the plug connector with the coupling nut on the connector. Fig. 3 Installed measuring probe MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH...
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Page 14: Installation Of The Display Unit
► Affix the mounting bracket with the unit on the immersion pipe (→ p.13, section 3.3). Fig. 4 MLA1000-A display unit 1089 pS/m 1089 pS/m 20.1 °C °C V0.95 5-2000 1 Top housing 2 Bottom housing (terminal box) MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 15: Connecting The Potential Equalisation
The top housing of the display unit does not need to be opened. It may only be opened by authorised technicians for repair purposes. ► Leave the top housing closed. MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 16: Installing The Cables
The cable glands are subject to approval for explosion-endangered areas. ► Only use cable materials with a suitable outside diameter. ► If the MLA1000 is being used in an explosion-endangered area: Do not replace the cable glands with cable glands of a different type. Otherwise the certification for explosion-endangered areas will become void and there will be a risk of explosion in such areas. -
Page 17: Connecting The Supply Voltage
Apply suitable adhesive to the threads and sealing surfaces. ► Tightly close the display unit housing. Otherwise there could be a risk of explosion. MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 18: Operation
● The flow velocity of the measuring liquid at the measuring probe must be between 0.2 and 7 m/s. ● The measuring liquid temperature must be between -20 and +60 °C. Otherwise the measurement readings will not be reliable. MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 19: Malfunction Screens
► Shut down and disconnect the MLA1000 and then put it back into operation. ► If that does not help: Clean the measuring probe (→ p.22, section 6.3). ► If that does not help: Notify the manufacturer. MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 20: Maintenance
Removing the immersion pipe (with measuring probe) ● The MLA1000 does not have to be shut down for this work. ● If the MLA1000 remains in operation, the measuring function can be tested using simple means (→ section 6.2). CAUTION: Possible danger to health If the measuring liquid could represent a health risk: ►... -
Page 21: Cleaning The Measuring Probe
► Do not use damaged measuring probes in explosion-endangered areas. Reinstalling the measuring probe Reassemble the measuring probe and immersion pipe (→ p.22, section 6.4). Reinstall the immersion pipe (→ p.13, section 3.3). MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 22: Troubleshooting
The measuring probe is defective. ► Test the measuring function (→ p.21, section 6.2). ► Check the probe cable. The probe cable is damaged. ► Check the probe cable connections. MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 23: Appendix
II 1G Ex ia IIB T4 Ga Display unit Type examination certificate: BVS 14 ATEX E026 X Identification marking: II 2(1)G Ex de [ia Ga] IIB T4 Gb MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... -
Page 24: 8.3 Disposal Information
The measuring probe contains electronic components that are inseparably connected to the probe body (plastic cast moulding). ● The conductor material of the probe cable could be recycled. MLA1000 · Operating Instruction · 8011607 V 1.0 · © MBA Instruments GmbH... - Page 25 Index Connecting cable Marker arrow ............13 - 14 – suitable cable material .......... 24 Measuring liquid – installation instructions .......... 17 – requirements at the installation location ....11 – suitable liquids ............7 Scope of application ............. 7 Application restrictions ..........
- Page 26 MLA1000 Continuous Conductivity Measurement 011607 (1.0) · 2019-10 MLA1000 MBA Instruments GmbH Friedrich-List-Str. 3-7, 25451 Quickborn, Germany Phone +49 4106/123 88-80 info@mba-instruments.de...
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