A client uses a Reverse Osmosis water purification system from Millipore, display reads 18.2 M Ohm/cm. If the client wants to double check or QC this water after it comes out from the Millipore system, does it make sense to use a water quality meter for verification?
For example, something like this:
HANNA Water Quality Meter, EC and Resistivity

For example, something like this:
HANNA Water Quality Meter, EC and Resistivity