The ornamental design for a waterqualityanalyzer, as shown and described.
FIG. 1 is a perspective view of a water quality analyzer.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a rear elevation view thereof.
FIG. 4 is a top plan view thereof.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a left side elevation view thereof.
FIG. 7 is a right side elevation view thereof.
FIG. 8 is a perspective view with the covers in an open position.
FIG. 9 is a front elevation view with the covers in an open position.
FIG. 10 is a rear elevation view with the covers in an open position.
FIG. 11 is a top plan view with the covers in an open position.
FIG. 12 is a bottom plan view with the covers in an open position.
FIG. 13 is a left side elevation view with the covers in an open position; and,
FIG. 14 is a right side elevation view with the covers in an open position.
The broken line showing of structural features is included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design.