Ionode IJ pH User Manual download pdf

Warranty

IJ electrodes have a pro-rata warranty of 12 months from

date of purchase. Any electrode found to be faulty due to

manufacture within this time will be replaced.

Ionode reserves the right to limit or modify product warranty

if it is deemed that the electrode has been used in unsuitable

applications.

IJ electrodes have an expected lifetime of 2-4 years in ideal

samples at room temperature. This may be reduced in

chemically aggressive or abrasive samples and at high

temperatures.

Please visit www.ionode.com.au to register your purchase as

soon as you receive your electrode.

User maintenance and troubleshooting

Intermediate Junction Series

Short-Form

Operators Manual

Download a detailed manual at

www.ionode.com.au

IJ44A

pH electrodes

Symptom Possible cause Remedy

Drift Junction blocked Remove sleeve. Clean

glass stem and sleeve

Membrane not

clean

Remove sleeve.

Clean glass membrane

Membrane aged/

damaged

Allow longer measuring

time or replace

Temperature

changes

Stabilise temperature

Noisy Bubble in

membrane

Flick electrode

downward

Poor connection Check connection

Junction not

immersed fully

Lower electrode into

solution below junction

Insufﬁ cient

electrolyte

Reﬁ ll electrolyte

Low Slope

(<95%)

Contaminated

buffers

Replace buffers

Membrane not

clean

Clean membrane

Membrane aged Allow more time for

stabilisation, or replace

Electrode

polarised

Isolate sample

electrically

Slow

Response

Membrane not

clean

Clean membrane

Membrane aged Allow more time for

stabilisation, or replace

Incorrect

Reading

after Cal

Junction blocked

or unclean

Clean junction

Reads pH7

all Buffers

Electrical short Check connector

Internal short Replace electrode

Reads

pH4-5 all

Buffers

Membrane or

stem cracked

Replace electrode

Large

Offset

(>0.5pH)

Insufﬁ cient sleeve

electrolyte

Reﬁ ll electrolyte

Junction blocked/

unclean

Clean junction

Electrode

polarised

Isolate sample

electrically

Parameter Operating Range

pH range 0-14 pH (C glass) 0-12 pH (A glass)

Zero potential point pH 7.0 ± 0.5

Temperature range 0 – 60ºC

Reference type Double Junction Ag/AgCl/sat KCl

Body and sleeve Polypropylene

Overall length 150mm

Barrel diameter 12mm

Cable length 1m standard, longer to order.

Maximum 20m

Connector BNC standard, others on request

1 2

Summary of Contents

Page 1 - Operators Manual

WarrantyIJ electrodes have a pro-rata warranty of 12 months from date of purchase. Any electrode found to be faulty due to manufacture within this tim

Page 2

Calibration • Turn on the pH meter and connect the pH electrode and temperature sensor (if available).• Remove the wetting cap from the electrode and

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Ionode IJ pH User Manual

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Summary of Contents

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