VWR 663-0349 Operating Manual Download Page 20

8 | Operation

LCO304

20 / 29

B-H87.0.02.DB201-1.0

Compensation coefficient

TL,N

0.300 .. 3.000

Temperature compensation coefficient in %/K

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

POFF

OFF

No automatic shut-off

15 30 60 120 240

Automatic shut-off after a selected time in minutes,
during which no buttons have been pressed

Backlighting

L,TE

OFF

Backlighting deactivated

15 30 60 120 240

Automatic shut-off of the backlighting after a selec-
ted time in seconds, during which no buttons have
been pressed

ON

No automatic shut-off of the backlighting

Temperature unit

UN,T

°

(

Temperature display in °C

°

F

Temperature display in °F

Factory settings

IN,T

NO

Use current configuration

YES

Reset product to factory settings. 

IN,T DONE

 appears

in the display

Outcome of an action

The changed value is saved and the 

Configuration

 menu is closed. 

STOR

 appears in

the display. If necessary, the product is restarted automatically in order to adopt the
changed values.

 NOTE

The configuration is closed if no button is pressed for 2 minutes. Any changes made
up to that point are not saved. 

C.END

 appears in the display.

8.2.4 Adjustment of the measuring input

Description

The temperature input can be adjusted with the zero point correction and the gradient
correction. If an adjustment is made, you change the pre-adjusted factory settings.
This is signalled with the 

T.OF

T.SL

 or 

S(L

 display text when the product is switched on.

Summary of Contents for 663-0349

Page 1: ...EN LCO304 Handheld conductivity measuring device Operating manual European catalogue number EU connection 663 0349 Version 1 0 Issued 07 01 2019...

Page 2: ...1 The LCO304 11 5 2 Display elements 11 5 3 Operating elements 11 6 Bases for measurement 13 6 1 Conductivity principles 13 6 2 Conductivity measurement 13 6 3 Measurement of specific resistance 13 6...

Page 3: ...1 0 3 29 8 2 4 Adjustment of the measuring input 20 8 2 5 Configuring parameters of the adjustment menu 21 9 Error and system messages 24 10 Disposal 25 11 Technical data 26 12 Service 27 12 1 Online...

Page 4: ...ess of the manufacturer LCO304 4 29 B H87 0 02 DB201 1 0 1 Legal address of the manufacturer VWR International bvba Researchpark Haasrode 2020 Geldenaaksebaan 464 B 3001 Leuven Phone 32 16 385011 http...

Page 5: ...om 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 c...

Page 6: ...r each step Instruction Tasks to be carried out by the personnel user are represented as numbered instruc tions Adhere to the sequence of the specified instructions Representation Shows an illustrativ...

Page 7: ...1 0 7 29 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 versio...

Page 8: ...ns and the device specific safety instructions for this document are observed If these notices are disregarded personal injury or death as well as property damage can occur DANGER Incorrect area of ap...

Page 9: ...teries are avoided as a result NOTE This product does not belong in children s hands For this purpose also refer to 2 Technical data 26 3 4 Intended use The product is designed for measuring the condu...

Page 10: ...ty in a compact ergonomic housing Additional impressive features include the dust proof and waterproof design in accord ance with IP 65 67 and the 3 line illuminated display which offers overhead disp...

Page 11: ...or the value shown in the main display If applicable alternating with the temperature compensation NOTE The unit display shows a rotating circle segment in the first position as long as the measuremen...

Page 12: ...nce LCO304 12 29 B H87 0 02 DB201 1 0 Function key Press briefly Freeze measurement Return to measurement display Call up next parameter Long press 2s Open menu frozen measurement is displayed Close m...

Page 13: ...the gradient correction Range 1 2 3 0 000 to 2 000 S cm 0 00 to 20 00 S cm 0 0 to 100 0 S cm With the automatic range selection the range with the best resolution is selected auto matically 6 3 Measu...

Page 14: ...pens ation the solution is calculated back to a uniform temperature in order to compare it independently of the temperature The normal operating temperature for this is 25 C 6 5 1 NLF temperature comp...

Page 15: ...LCO304 Bases for measurement 6 B H87 0 02 DB201 1 0 15 29 TKlin value is entered in the Configuration menu in parameter TLIN LFT1 conductivity at Temperature 1 LFT1 conductivity at Temperature 2...

Page 16: ...d conductivity measuring cell The highest system precision can be achieved in this manner If de sired a gradient correction can be carried out for the product in order to further optim ise the accurac...

Page 17: ...ed the product could be damaged or the protection from moisture could be diminished Description Proceed as follows to replace the batteries Prerequisites The product is switched off Instruction 1 Unsc...

Page 18: ...rection of the conductivity measur ing cell was made The product is now ready for measurement NOTE The device is calibrated at the factory and ready for measurement The offset and gradient correction...

Page 19: ...nfiguration the last save value is re produced on the next start up of the product 8 2 3 Configuring parameters of the configuration menu Description The following representation shows the available p...

Page 20: ...ature unit UN T Temperature display in C F Temperature display in F Factory settings IN T NO Use current configuration YES Reset product to factory settings IN T DONE appears in the display Outcome of...

Page 21: ...ameter change the parameter to the de sired value with the Up button and the Down button 5 In order to save the new parameter value press and hold the Function key for longer than 1 second Representat...

Page 22: ...2 C Display in ice water setpoint T OF 0 0 C Display in water bath 36 6 C Display in water bath setpoint T SL 37 0 C T OF display zero point correction setpoint zero point T OF 0 2 C 0 0 C 0 2 C T SL...

Page 23: ...LCO304 Operation 8 B H87 0 02 DB201 1 0 23 29 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...

Page 24: ...pressed Battery depleted System error Product is defective Battery depleted Error in the product Product is defective Replace battery Send in for repair BAT Battery depleted Battery depleted Replace...

Page 25: ...for recycling It is also your re sponsibility to decontaminate the equipment in the event of biological chemical and or radioactive pollution in order to avoid putting any persons assigned with the di...

Page 26: ...W H mm and weight 108 54 28 mm without measuring cell or kink protection 210 g incl battery and measuring cell Operating conditions 20 to 50 C 0 to 95 r h temporarily 100 r h Storage temperature 20 to...

Page 27: ...ite at www vwr com All contact information of the technical customer service VWR online catalogue and information about accessories and compatible products Additional product information and special o...

Page 28: ...Tel 36 52 521 130 Email info hu vwr com India VWR Lab Products Private Limited No 139 BDA Industrial Suburb 6th Main Tumkur Road Peenya Post Bangalore India 560058 Tel 91 80 28078400 Email vwr_india v...

Page 29: ...ail info fr vwr com 0 18 TTC min Netherlands VWR International B V Postbus 8198 1005 AD Amsterdam Tel 31 020 4808 400 Email info nl vwr com Norway VWR International AS Haavard Martinsens vei 30 0978 O...

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