Hach-Lange 5330 User Manual [en, de, es, fr, it]

pH

53 30

pH

53 30

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KCl 3M

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

Protective cap.

1

Schutzkappe.

Tapón protector.

Bouchon protecteur.

Tappo protettore.

Tampa protetora.

S8 connector.

2

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.

Reference element.

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Referenzelement.

Elemento de referencia.

Élément de référence.

Elemento di riferimento.

Elemento de referência.

Internal diaphragm.

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Internes Diaphragma

Diafragma: interno.

Diaphragme interne.

Diaframma interno.

Diafragma interno.

Gel electrolyte.

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Elektrolytgel.

Electrolito gel.

Électrolyte gel.

Elettrolita gel.

Eletrólito em gel.

Diaphragm: 3 ceramics.

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Diaphragma: 3 Keramikelemente.

Diafragma: 3 cerámicos.

Diaphragme: 3 céramiques.

Diaframma: 3 ceramici.

Diafragma: 3 cerâmicos.

Sensitive glass membrane.

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Sensitive Glasmembran.

Membrana sensible.

Membrane sensible.

Membrana sensibile.

Membrana sensível de vidro.

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 30

Introduction

The 53 30 is a pH electrode with a large
ring diaphragm of porous PTFE.
Low maintenance electrode, as it does not
require monitoring of electrolyte level.

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
by shaking the electrode as a clinical ther­mometer.

Installation

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

See Housing instruction manual.

In some cases the electrode is installed,
with the help of sockets and adapters,
directly onto pipes.
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 recovers

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

. They can be removed

.

.

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.

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GB

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

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.
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 100 °C
Max. pressure 5 bar
Reference element cartridge
Diaphragm ring of porous PTFE
Electrolyte gel
Body material glass
Thread PG 13,5
Connector S8

Min. immersion
depth

12 mm

Applications

Waste water, galvanising industry, osmosis
processes, demineralized water, dirty or
viscous samples , etc.

CERTIFICATE OF QUALITY

The attached electrode 53 30 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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