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.
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