Ionode IJ-I Iodide User Manual

Ij - i, Intermediate junction series, Operators manual

Operators Manual

Short-Form

Warranty

IJ electrodes have a 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. Electrodes with broken stems, connectors or

cables are not covered by warranty.

Electrode life may be reduced in chemically aggressive or

abrasive samples and at high temperatures.

Visit www.ionode.com for more information.

User maintenance and troubleshooting

Intermediate Junction Series

Symptom Possible cause

Remedy

Drift

Junction blocked Remove and clean sleeve

Membrane unclean

or contaminated

Remove sleeve. Gently

polish membrane with

P1200 “Wet & Dry”

Noisy

Poor connection

to meter

Check connection

Junction not

immersed fully

Lower electrode into

solution below junction

Insufficient

electrolyte or

bubble

Refill electrolyte

Inaccurate

readings

or poor

reproduc-

ibility

Contaminated

standard(s)

Make up fresh calibration

standards and recalibrate

Improperly made

standards

Recalibrate using freshly

made standards

Contamination

from electrolyte

Use 1M potassium nitrate

in sleeve

Temperature

differences between

calibration and

sample

measurement

Ensure calibration and

sample measurements

are done at the same

temperature

No ISA used

Add ISA

Sensitivity to light Perform calibration and

measurements in dark

beakers or away from

bright light

Parameter

Operating Range

Concentration range

0.01 to 130,000 mg/L

Temperature range

0 – 60ºC

pH range

2-12 pH

Reference Type

Double Junction Ag/AgCl/refillable

Sensor materials

Polycrystalline solid state

membrane

Body and sleeve

Polypropylene/PEEK

Overall length

150mm

Barrel diameter

12mm

Cable length

1m standard, longer to order.

Maximum 20m

Connector

BNC standard, others on request

Images are illustrative only.

IJ-

IODIDE

ION SELECTIVE

ELECTRODE

GOOD CHEMISTRY