EC500-en-GB_v2.6 10/14
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Cleaning Recommendations
When cleaning the probe, take care not to scratch or damage the sensing surface or the platinized
electrode surfaces.
Contaminant Cleaning Solution Instructions
Water soluble substances Deionized water Soak or scrub with a soft brush.
Recondition in 4 or 7 buffer for
1 hour.
Grease & Oil Warm water and household
detergent
Soak or scrub with a soft brush,
maximum of 10 minutes. Rinse
thoroughly with DI water,
recondition in 4 or 7 buffer for 1
hour.
Heavy grease & Oil Alcohol Maximum of 5 minute soak,
scrub with a soft brush. Rinse
thoroughly with DI water,
recondition in 4 or 7 buffer for 1
hour.
Lime and hydroxide coatings 10% acetic acid Soak until coating dissolved,
maximum of 5 minutes. . Rinse
thoroughly with DI water,
recondition in 4 or 7 buffer for 1
hour.
Please Note: Since the EC500 does not have a refillable reference electrolyte chamber, it is important
not to soak the electrode in the above solutions for more than the recommended times. To do so may
cause a reference potential shift, which will cause degradation in performance or failure.
