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Summary of Contents for MBA MLA1000
- Page 1 Operating Manual MLA1000 Conductivity meter for light oils Description Installation Operation...
- Page 2 +49 (0) 41 06 123 888-9 explosive atmospheres E-mail: info@mba-instruments.de Warranty notice Product characteristics and technical data presented in this document do not constitute warranty statements. © MBA Instruments GmbH. All rights reserved. Operating Manual MLA1000 Date 19/05/2021· © MBA Instruments GmbH...
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Page 3: Table Of Contents
Installing the probe again Troubleshooting 10.1 Signs of an unsafe operating condition 10.2 Sensor error – Indication of an error on the MLA1000 display 10.3 Fatal error – Indication of an error on the MLA1000 display 10.4 Remedying faults Technical data 11.1... -
Page 4: Safety Instructions
Pass on the documents to new owners. Safety instructions for use in potentially explosive atmospheres The MLA1000-A display unit and the MLA1000-S probe of meter types MZ, LZ and TZ operated in a potentially explosive atmosphere must bear the following markings:... -
Page 5: Designation Of The Meter Types According To Their Application
Meter types TX and TZ for temporary measurement The types TX and TZ can be easily installed to use this device for temporary measurements. If the location for the measurement changes, the MLA1000 TX and TZ must be completely installed before it is put into operation. -
Page 6: Mla1000-A Display Unit
Measuring range (5-2000 means: measuring range from 5 pS/m to 2000 pS/m) V0.95 5-2000 2.2.5 MLA1000-K probe cable The probe cable supplied is specially designed to meet the requirements of the MLA1000 meter. Only the probe cable supplied may be used. ... -
Page 7: Installation Of The Probes Of Meter Types Mz And Lz
Installation may only be carried out by persons who are familiar with the explosion protection regulations at the installation site. The equipment protection level (EPL) of the MLA1000-S and MLA1000-A must match the Ex zones of the installation site. ... -
Page 8: Installation Of Probe Tube In The Sliding Sleeve, Meter Type Mz
Before finally tightening the clamping screws, align the direction of the inlet and outlet holes on the probe with the flow direction (see section 3.3). Tighten the clamping screws to 35 Nm using a torque wrench. Carry out the electrical installation. Operating Manual MLA1000 Date 19/05/2021· © MBA Instruments GmbH... -
Page 9: Installation Of Probe Tube With Collar And Loose Flange, Meter Type Lz
The MLA1000 meter type TZ – additional requirements The display unit of the MLA1000-A type TZ is mounted on a tripod for transport the meter to the measuring site. At the measuring site following is mandatory: ... -
Page 10: Secure Display Unit With Mounting Plate
The display should be visible during operation (for checking the operating status). 4 through-holes are provided in the mounting plate for attachment (see Figure 7). MLA1000-A display unit Upper housing Lower housing (terminal box) Figure 7 Operating Manual MLA1000 Date 19/05/2021· © MBA Instruments GmbH... -
Page 11: Electrical Connection Of Meter Type Tx And Tz
Probe cable for MLA1000 TX The probe cable is already connected to the terminals on delivery of the MLA1000 meter type TX. Should it be necessary to replace the probe or probe cable, the terminal assignment diagram can be found in section 6. -
Page 12: Electrical Connection Of Meter Types Lz, Mz And Tz
Pull the probe cable through the cable gland (Figure 11, 4) and connect to the blue 4-pole terminal block (Figure 11, 5). Terminals of the probe cable 4-pole terminal block Terminal Colour coding of the probe cable brown black blue white Operating Manual MLA1000 Date 19/05/2021· © MBA Instruments GmbH... -
Page 13: Connecting The Measured Value Outputs
The real physical value is higher than the measuring range end value 24 mA (overflow). Supply voltage A fuse must be installed in the supply line for the MLA1000 supply voltage. Fuse rating: max. 5 A Connect the supply voltage as shown in the terminal diagram. ... -
Page 14: Operation
Operation The MLA1000 starts to operate as soon as the power supply is switched on. Signs of a safe operating condition The measurement liquid maintains the necessary operating conditions at the measuring probe. The display of the display unit shows measured values. -
Page 15: Changing The Measurement Location With Meter Types Tx And Tz
Notes on explosion protection for meter type TZ The plastic case is only for storage of the MLA1000. The case must not be brought into an Ex zone. The display unit is approved for use in ATEX zone 1. It must not be brought into ATEX zone 0. -
Page 16: Maintenance
Maintenance The MLA1000 has no wear or consumable parts. Nevertheless, the meter should be inspected at regular intervals. Carry out a visual inspection to check that no parts of the MLA1000 are damaged. Notes on explosion protection for maintenance ... -
Page 17: Cleaning The Measuring Probe
IMPORTANT: Risk of damage due to solvents Use only suitable cleaning agents. Other substances can damage the measuring probe. Installing the probe again Assemble measuring probe and installation tube again. Install the installation tube again. Operating Manual ·MLA1000 Date 19/05/2021 © MBA Instruments GmbH... -
Page 18: Troubleshooting
Troubleshooting The MLA1000 is designed for continuous, maintenance-free operation. The following description can help to quickly rectify a fault in the meter. 10.1 Signs of an unsafe operating condition The display of the display unit is blank. The display of the display unit shows a fault. -
Page 19: Remedying Faults
There is not exchange of the liquid to be measured at the Check the flow velocity and change, if necessary. probe. The measured values of the MLA1000 do not correspond to a The liquid was not homogeneously mixed. The sample The sample is not of the same liquid that was measured reference measurement in the laboratory. -
Page 20: Technical Data
IECEx BVS 21.0041 X Measuring probe: MLA1000-S ATEX marking: II 1G Ex ia IIB T4 Ga certificate BVS 14 ATEX E047 X IECEx marking Ex ia IIB T4 Ga certificate IECEx BVS 21.0014 X Operating Manual MLA1000 Date 19/05/2021· © MBA Instruments GmbH... -
Page 21: Information On Disposal
The display unit contains electronic components that can be removed and disposed of separately. The measuring probe contains electronic components that are joined inseparably to the probe body (plastic grouting compound). The conductor material of the probe cable could be recycled. Operating Manual ·MLA1000 Date 19/05/2021 © MBA Instruments GmbH... - Page 22 MLA1000 MBA Instruments GmbH Friedrich-List-Str. 3-7, 25451 Quickborn, Germany Tel. +49 4106/123 88-80 www.mba-instruments.de info@mba-instruments.de...
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