Water-i.d. comparators provide you with access to professional water analysis. While these
comparators are also, like Pooltesters, visual measurement devices, the arrangement of the
measured colour to the scale – and the determination of the measurement value – is much
more precise with comparators because the measurement is compared on a rotating colour
scale (colour disc). there are no measurement results “between” individual colour scales.
ergonomic design and high quality materials also simplify measurements. By using the
adapter that is supplied with each comparator, the sample path-length can be extended and
additional ranges can be measured.