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Operating manual

LWT-110

Conductivity measuring device

Permanently connected stainless steel 2-pole
measuring cell

Waterproof

Precise and fast

Содержание LWT-110

Страница 1: ...Operating manual EN LWT 110 Conductivity measuring device Permanently connected stainless steel 2 pole measuring cell Waterproof Precise and fast...

Страница 2: ...t 12 6 1 Conductivity principles 12 6 2 Conductivity measurement 12 6 3 Measurement of specific resistance 12 6 4 Electrodes measuring cell 12 6 4 1 Design and selection 12 6 4 2 Calibration adjustmen...

Страница 3: ...Table of contents B H87 0 02 DB214 1 0 3 26 9 Error and system messages 23 10 Disposal 24 11 Technical data 25 12 Service 26 12 1 Manufacturer 26...

Страница 4: ...egal address of the manufacturer LWT 110 4 26 B H87 0 02 DB214 1 0 1 Legal address of the manufacturer Conrad Electronic SE Klaus Conrad Str 1 D 92240 Hirschau http www conrad com WEEE reg no DE 28001...

Страница 5: ...king safely and efficiently with the product In addition to the quick reference guide with all relevant legal and safety content in hard copy this document is a detailed reference option for the produ...

Страница 6: ...nical controls Product functions Product labels Cross reference p 5 Foot notes 2 5 Further information Software version of the product V1 3 or later For the exact product name refer to the type plate...

Страница 7: ...ons 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 a...

Страница 8: ...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 25 3 4 Intended use The product is designed for measuring the condu...

Страница 9: ...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...

Страница 10: ...for 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 measurem...

Страница 11: ...a glance 5 B H87 0 02 DB214 1 0 11 26 Function key Press briefly Freeze measurement Return to measurement display Call up next parameter Long press 2s Open menu frozen measurement is displayed Close...

Страница 12: ...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...

Страница 13: ...ature The normal operating temperature for this is 25 C 6 5 1 NLF temperature compensation according to EN 27888 For most applications such as fish husbandry applications and measurement of sur face w...

Страница 14: ...6 Bases for measurement LWT 110 14 26 B H87 0 02 DB214 1 0 LFT1 conductivity at Temperature 2...

Страница 15: ...This is only necessary for normal use See Adjust ment of the measuring input p 19 7 2 Battery 7 2 1 Battery indicator If the empty frame in the battery display blinks the batteries are depleted and m...

Страница 16: ...e batteries Prerequisites The product is switched off Instruction 1 Unscrews the Phillips screws and remove the cover 2 Carefully replace the two Mignon AA batteries Ensure that the polarity is correc...

Страница 17: ...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...

Страница 18: ...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...

Страница 19: ...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 configura...

Страница 20: ...on Call up menu Hold Release Outcome of an action The Configuration menu is closed after the last parameter NOTE If the product is switched off without saving the configuration the last save value is...

Страница 21: ...nt 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 setpoint gradient correction display gradient correction T OF 1 100 T SL 37 0 C 36 6 C 0 2 1 100 0 54...

Страница 22: ...8 Operation LWT 110 22 26 B H87 0 02 DB214 1 0...

Страница 23: ...e 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...

Страница 24: ...se take it to a municipal collection point where it will be transported to a dis posal company in accordance with requirements of hazardous goods laws Otherwise return it to us freight prepaid We will...

Страница 25: ...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 t...

Страница 26: ...Manufacturer If you have any questions please do not hesitate to contact us Contact VOLTCRAFT Distributed by Conrad Electronic SE Klaus Conrad Str 1 92240 Hirschau Germany Tel 49 9604 40 87 87 Fax 49...