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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
Water soluble substances
Grease & Oil
Heavy grease & Oil
Lime and hydroxide coatings
Please Note: Since the EC500 does not have a refillable pH 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.
Cleaning Solution
Deionized water
Warm water and household
detergent
Alcohol
10% acetic acid
12
Instructions
Soak or scrub with a soft
brush. Recondition in 4 or 7
buffer for 1 hour.
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.
Maximum of 5 minute soak,
scrub with a soft brush. Rinse
thoroughly with DI water,
recondition in 4 or 7 buffer for
1 hour.
Soak until coating dissolved,
maximum of 5 minutes. Rinse
thoroughly with DI water,
recondition in 4 or 7 buffer for
1 hour.
EC500-en-US_v2.9 7/20
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