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1) replacing o-rings, 2) replacing gaskets – Yokogawa SC72 Personal Handheld Conductivity Meter User Manual

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IM 12D03D02-01E

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5. Handling of the SC72 Personal Conductivity Meter

(1) Replacing O-rings

O-ring

Install the O-ring on the cylindrical flat part as shown in the figure.

F050501.EPS

(2) Replacing gaskets

Gasket

Raised part

SC72 meter top

Install the gasket with its raised part facing downwards on the groove of th meter case.
Gaskets are symmetrical (on the right and left, and on the front and rear).

F050502.EPS