Related Manuals for VWR LCO304
Summary of Contents for VWR LCO304
- Page 1 LCO304 Handheld conductivity measuring device Operating manual European catalogue number: EU connection: 663-0349 Version: 1.0 Issued: 07.01.2019...
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Page 2: Table Of Contents
Qualified personnel.......................... 9 Description ............................ 10 Scope of delivery .......................... 10 Job description............................ 10 The product at a glance ........................ 11 The LCO304 ............................ 11 Display elements .......................... 11 Operating elements .......................... 11 Bases for measurement ........................ 13 Conductivity principles ........................ 13 Conductivity measurement ......................... - Page 3 Table of contents 8.2.4 Adjustment of the measuring input ..................... 20 8.2.5 Configuring parameters of the adjustment menu................ 21 Error and system messages...................... 24 Disposal............................. 25 Technical data........................... 26 Service ............................... 27 12.1 Online resources.......................... 27 12.2 Sales partners............................. 28 B-H87.0.02.DB201-1.0 3 / 29...
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Page 4: Legal Address Of The Manufacturer
1 | Legal address of the manufacturer LCO304 1 Legal address of the manufacturer VWR International bvba Researchpark Haasrode 2020 Geldenaaksebaan 464 B-3001 Leuven Phone: + 32 16 385011 http://be.vwr.com 4 / 29 B-H87.0.02.DB201-1.0... -
Page 5: About This Documentation
VWR guarantees that this product will remain free from material and production de- fects for a period of two (2) years from the time of delivery. If there is a defect, VWR shall decide on its own discretion whether to repair or replace the product free of charge or to provide the customer with a refund of the purchase price of the product, insofar as it is sent back during the warranty period. -
Page 6: Correctness Of Content
2 | About this documentation LCO304 2.5 Correctness of content The contents of this document were checked for corrected and are subject to a con- tinuous correction and updating process. This does not rule out potential errors. In the event that errors are discovered or in case of suggestions for improvement, please in- form us immediately via the indicated contact information in order to help us make this document even more user-friendly. - Page 7 LCO304 About this documentation | 2 NOTE For information about the software version, press and hold the ON button to switch on the product for longer than 5 seconds. The series is shown in the main display and the software version of the product is shown in the secondary display.
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Page 8: Safety
3 | Safety LCO304 3 Safety 3.1 Explanation of safety symbols DANGER This symbol warns of imminent danger which can result in death, severe bodily injury, or severe property damage in case of non-observance. CAUTION This symbol warns of potential dangers or harmful situations which can cause damage to the device or to the environment in case of non-observance. -
Page 9: Intended Use
LCO304 Safety | 3 CAUTION Erratic behaviour! On suspicion that the product can no longer be operated without danger, it must be decommissioned and prevented from recommissioning with appropriate labelling. The safety of the user can be impaired by the device if, for example, if it shows visible damage, it no longer works as specified or if it was stored for an extended period of time under unsuitable conditions. -
Page 10: Description
4 | Description LCO304 4 Description 4.1 Scope of delivery Please check to ensure the completeness of the product after opening the package. You should find the following components: – Quick reference guide – Handheld measuring device, ready for operation, including batteries –... -
Page 11: The Product At A Glance
LCO304 The product at a glance | 5 5 The product at a glance 5.1 The LCO304 LCD Display LCO304 LCO304 5.2 Display elements Display Battery indicator Evaluation of the battery status Unit display Display of units, if applicable, with unstable symbol... - Page 12 5 | The product at a glance LCO304 Function key Press briefly Freeze measurement Return to measurement display Call up next parameter Long press, 2s Open menu, frozen measurement is displayed Close menu, changes are saved 12 / 29 B-H87.0.02.DB201-1.0...
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Page 13: Bases For Measurement
LCO304 Bases for measurement | 6 6 Bases for measurement 6.1 Conductivity principles Conductivity γ Conductivity describes the capability of a material to conduct electrical current. It is also the inverse of specific resistance. The conductance is the inverse of the meas- ured resistance R. -
Page 14: Calibration / Adjustment Of The Measuring Cell
6 | Bases for measurement LCO304 2-pole measuring cell 4-pole measuring cell 2-pole stainless steel measuring cell for low conductivities <100µS, e.g. pure and purest water, boiler water, osmosis and filter technology 6.4.2 Calibration / adjustment of the measuring cell In harsh applications and due to ageing processes, the cell constant of measuring cells changes. - Page 15 LCO304 Bases for measurement | 6 = value is entered in the Configuration menu in parameter TLIN. = conductivity at Temperature 1 = conductivity at Temperature 2 B-H87.0.02.DB201-1.0 15 / 29...
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Page 16: Maintenance
7 | Maintenance LCO304 7 Maintenance 7.1 Operating and maintenance notices NOTE The product and conductivity measuring cell must be handled with care and used in accordance with the technical data. Do not throw or strike. NOTE If the product is stored at a temperature above 50 °C, or is not used for an extended period of time, the batteries must be removed. - Page 17 LCO304 Maintenance | 7 CAUTION Damage! If the batteries have different charge levels, leaks and thus damage to the product can occur. – Use new, high-quality batteries! – Do not use different types of batteries! – Remove depleted batteries and dispose of them at a suitable collection point!
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Page 18: Operation
8 | Operation LCO304 8 Operation 8.1 Commissioning 8.1.1 Explanation Description The product is switched on with the On/Off button. It may be necessary to configure the product after switching on. See Configuration [} p. 18]. Prerequisite – Sufficiently full batteries are inserted in the product. -
Page 19: Configuring Parameters Of The Configuration Menu
LCO304 Operation | 8 3. By briefly pressing the Function key, you can scroll through the parameters. Select the parameter you would like to configure. 4. When you have selected the desired parameter, change the parameter to the de- sired value with the Up button and the Down button. -
Page 20: Adjustment Of The Measuring Input
8 | Operation LCO304 Compensation coefficient TL,N Temperature compensation coefficient in %/K 0.300 .. 3.000 Reference temperature for temperature compensation TREF 25 °( Reference temperature 25 °C or 77 °F 20 °( Reference temperature 20 °C or 68 °F Shut-off time... -
Page 21: Configuring Parameters Of The Adjustment Menu
LCO304 Operation | 8 The standard settings of the zero point value and the gradient value of the temperat- ure input is 0.00. The standard setting of the gradient value of the conductivity value is 1.000. It signals that no correction is made. - Page 22 8 | Operation LCO304 T.SL No gradient correction 0.00 Gradient correction in % -5.00 .. 5.00 Gradient correction for the conductivity value T.SL 1.000 No gradient correction 0.800 .. 1.200 Multiplier for the gradient correction Formula Zero point correction: Displayed value = measured value – T.OF Gradient correction °C:...
- Page 23 LCO304 Operation | 8 NOTE If the product is switched off without saving the configuration, the last save value is re- produced on the next start-up of the product. B-H87.0.02.DB201-1.0 23 / 29...
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Page 24: Error And System Messages
9 | Error and system messages LCO304 9 Error and system messages Display Meaning Possible causes Remedy Range switching or Measuring cell de- Wait for the transient effect ---- measured value un- fect of the controller stable Contamination or air... -
Page 25: Disposal
LCO304 Disposal | 10 10 Disposal NOTE This product bears the "recycle batteries" symbol. It means that this product must not be disposed of with household waste. Instead, it is your responsibility to dispose of the product correctly at the end of its service life by dropping it off at an authorised dis- posal facility which collects the product separately for recycling. -
Page 26: Technical Data
11 | Technical data LCO304 11 Technical data Measuring range Conductivity 0.000 .. 2.000 µS/cm 0.00 .. 20.00 µS/cm 0.0 .. 100.0 S/cm Specific resistance 10.0 .. 200.0 kΩ/cm 0.010 .. 2.000 MΩ/cm 0.01 .. 20.00 MΩ/cm Salinity Temperature -5.0 .. +105.0 °C (23.0 .. +221.0 °F) – the conductivity measur- ing cells can be exposed temporarily to temperatures of up to 100 °C and permanently to temperatures of up to 80 °C. -
Page 27: Service
– VWR online catalogue and information about accessories and compatible products – Additional product information and special offers Contact If you require information or technical support, please contact your VWR sales centre or visit our website: www.vwr.com. B-H87.0.02.DB201-1.0 27 / 29... -
Page 28: Sales Partners
Veetee Business Park Pražská 442 CZ - 281 67 Stříbrná Skalice Ireland / Northern Ireland Spain Tel.: +420 321 570 321 VWR International Ltd / VWR International VWR International Eurolab S.L. Email: info.cz@vwr.com (Northern Ireland) Ltd C/ Tecnología 5-17 Orion Business Campus... - Page 29 LCO304 Service | 12 France Netherlands Great Britain VWR International S.A.S. VWR International B.V. VWR International Ltd Le Périgares – Bâtiment B Postbus 8198 Customer Service Centre 201, rue Carnot 1005 AD Amsterdam Hunter Boulevard 94126 Fontenay-sous-Bois cedex Tel.: +31 020 4808 400 Magna Park Tel.: 0 825 02 30 30* (national)