Sper Scientific 850055 pH Meter - Advanced - Manual (Page 28)

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MAINTENANCE
To expose the new unused fiber portion:
1. Use tweezers to pull out the fiber junction and expose
the new unused portion.
2. Cut the clogged fiber and expose the new portion.
ORP Probe
Before using, remove the soaking bottle (see pH Probe
section), soak the probe in distilled water, and rinse.
Gently dry the sensing element.
Probe Testing
1. Connect the ORP probe to the meter via the BNC
connector.