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8

ba15360e03

10/2014

Aging

K 500 / K 800

Recommended accessories

Calibration line of a potassium ion sensitive 
electrode

Description

Model

Order no.

Exchange membrane cap for 
potassium electrode K 500

K 500/AT

106622

Exchange membrane cap for 
potassium combination electrode 
K 800

K 800/AT

106672

Reference electrode for
potassium electrode K 500

R 503/P*
R 503/D**

106570
106571

Bridge electrolyte

ELY/BR/503/K

106577

ISA sample conditioning solution for 
K

measurement

ISA/K

106580

Standard solution 10 g/L potassium

ES/K

120210

*

Pin plug

**

Banana plug

10-fache Konzentrationsänderung

Meßkettenspannung

10-fold concentration change

Electromotive force

1

0.1

10

100 1000

~58

mV

mg/l K

+

10

10

10

10

mol/l K

+

10

-5

-3

-2

-1

-4

Summary of Contents for K 500 BNC

Page 1: ...OPERATING MANUAL ba15360e03 10 2014 K 500 DIN K 500 BNC K 800 DIN K 800 BNC POTASSIUM ION SENSITIVE ELECTRODE...

Page 2: ...f the present operating manual can be found on the Internet under www WTW com It is also available in other languages Copyright 2014 WTW GmbH Reprinting even as excerpts is only allowed with the expli...

Page 3: ...3 View 1 Connection head with connection cable 2 Shaft 3 Exchange membrane cap 4 PVC membrane 5 O ring 6 Inner junctions 7 Exterior junctions 8 Storage vessel for K 800 9 Protective cap for K 500 1 2...

Page 4: ...orage vessel 2 Fill ELY BR 503 K bridge electrolyte into the filling opening so that the inner junctions are covered with bridge electrolyte 3 Rinse the combination electrode with deionized water 4 Wi...

Page 5: ...he meter The ion sensitive elec trode is sufficiently conditioned when the measured value no longer changes considerably under otherwise constant conditions temperature composition of the solution Min...

Page 6: ...erning sample prep aration and measuring procedures WTW provides a large number of appli cation reports for various applications Response times The response time depends on the concentration range It...

Page 7: ...ectrode The cable might be damaged Storage Between two measurements Condition the electrode in standard solution Overnight K 500 Rinse the electrode with deionized water and store it in a dry place K...

Page 8: ...ination electrode K 800 K 800 AT 106672 Reference electrode for potassium electrode K 500 R 503 P R 503 D 106570 106571 Bridge electrolyte ELY BR 503 K 106577 ISA sample conditioning solution for K me...

Page 9: ...rolyte Junctions encrusted Leave the bridge electrolyte to react on the junctions for some hours until the crusts have dissolved Cable broken Exchange the electrode Cause Remedy Conditioning time too...

Page 10: ...ature range Membrane resis tance Length Diameter Cable length Plug DIN plug or BNC plug depending on design 0 04 39 000 mg l K 1 x 10 6 1 mol L K 2 2 12 see INTERFERENCES 0 40 C 50 M K 500 170 mm incl...

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