Hach-Lange 5364 User Manual [en, de, es, fr, it]

pH

53 64

pH

53 64

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KCl 3M

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Key points. Hauptteile.
Puntos clave. Points clé.
Punti chiave. Pontos chaves.

Protective cap.

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Schutzkappe.

Tapón protector.

Bouchon protecteur.

Tappo protettore.

Tampa protetora.

S8 connector.

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S8-Stecker.

Conector S8.

Connecteur S8.

Connettore S8.

Conector S8.

PG 13.5 thread.

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Montagegewinde PG 13,5.

Rosca de sujeción PG 13,5.

Filetage PG 13,5.

Filettatura PG 13,5.

Rosca de fixação PG 13,5.

Pressure compensator.

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Druckkompensator.

Compensador de presión.

Compensateur de pression.

Compesatore di pressione.

Compensador de pressão.

Reference element.

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Referenzelement.

Elemento de referencia.

Élément de référence.

Elemento di riferimento.

Elemento de referência.

Solid electrolyte.

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Festelektrolyt.

Electrolito sólido.

Électrolyte solide.

Elettrolita solido.

Eletrólito sólido.

Diaphragm: open, 2 lateral.

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Diaphragma: 2 seitliche Öffnungen.

Diafragma: abierto, 2 laterales.

Diaphragme: ouvert, 2 latérales.

Diaframma: aperto, 2 laterali.

Diafragma: aberto, 2 laterais.

Sensitive glass membrane.

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Sensitive Glasmembran.

Membrana sensible.

Membrane sensible.

Membrana sensibile.

Membrana sensível.

Storage protector.

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Lagerungsschutz.

Protector de almacenamiento.

Tube protecteur de stockage.

Protettore per la conservazione.

Protetor para armazenamento.

(EU Directive 2002/96/EC)

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pH electrode 53 64

Introduction

The 53 64 is a low maintenance pH elec-
trode for extremely difficult media.

SAFETY NOTE
Before use with hazardous substanc­es, find out about the relevant haz­ards, protective measures, and what
to do in an emergency.

Electrode preparation

• Remove the storage protector

• Verify that there are not air bubbles

inside the membrane . They can be
removed by shaking the electrode as a
clinical thermometer.

Installation

In immersion, insertion, flotation housings,
etc. with PG 13,5 thread.

See Housing instruction manual.

Cable. They are connected to coaxial
cables with an AS9 connector.

Calibration

See pH-meter instruction manual.

Measurements. Recommendations

See pH-meter instruction manual.
Ensure that the electrode’s specifications
are adapted to the process.
Sample must cover the diaphragm .

Maintenance

• Deposits forming on the electrodes,

caused by continual exposure of the sen­sors to a dirty or contaminated medium, is
one of the most frequent causes of prob­lems when measuring pH. When possible
it’s recommended to use a housing with
automatic sensor cleaning system.

• When an electrode gets contaminated,

the simple rinsing with distilled water is
not suffi cient. The most suitable clean­ing solution is one which acts in a more
selective way over the contamination
(look for regeneration solutions).

• Re-hydration. A “dry” electrode re-

covers by immersing it in in diluted HCl
solution for several hours. It is recom­mended to read the information sup­plied with the electrode’s regenerating
solutions.

.

Troubleshooting

... the meter always shows the same pH

value.
Short circuit in the electrode or cable.

Substitute the cable or the elec­trode.

... shifting of pH values.

Reference system contamination.

Replace the electrode

... unstable reading.

Diaphragm blockage.

Clean, regenerate, replace the elec­trode.

... impossible to perform calibration.
... very slow response.

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GB

Dirt on the diaphragm or the mem­brane.
De-hydrated membrane.
Electrode ageing or wear.

Clean, regenerate, replace the elec­trode.

Storage

The connector should be protected from
humidity by the protective cap .
Place the electrode in the storage protec­tor with KCl 3M.

Life of an electrode

The average life expectancy of a pH pro­cess electrode oscillates between 6 or 12
months, depending on the working con­ditions (in standard applications).
Electrodes exposed to high temperatures
do not last as long. Very alkaline mediums
also reduces the life span of electrodes.

If an electrode has too short life span,
less than three months, ask us about it.
Probably there is a more suitable elec­trode for the application.

Specifications

Measuring range 0 to 14 pH
Operating temp. 0 to 130 °C
Max. pressure 6 bar
Reference element cartridge
Diaphragm open, 2 lateral
Electrolyte solid
Body material glass
Thread PG 13,5
Connector S8

Min. immersion depth

15 mm

Applications

Samples with dyes, pigments and colour­ings. Fermentation. Sugar industry. Sam­ples with oil. Organic solvents.
Resistant to sterilisation with steam and
in autoclave.
Resistant to CIP processes
.

CERTIFICATE OF QUALITY

The attached electrode 53 64 has passed
the quality test and follows the next speci­fications:

• Asymmetry potential < ± 15 mV.

• Sensitivity, pH 4 to 7 (at 25 ˚C) > 98%.

• Response time, pH 4 to 7 < 20 s.

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