For approx. 50 measurements with glass cuvettes.
For fresh water and salt water.
Range of values: < 0.01; 0.025; 0.,05; 0,1; 0.2; 0.4; 0.6; 0.8; 1.0 mg/l. Colour scale with 9 colours from yellow to pink.
Laboratory comparator system for compensating the intrinsic colour of water.
Includes a syringe for simple measurement of the amount of water.