Values

1x250 ml XS Redox/ORP 200 mV ± 5mV / 25°C with N.I.S.T certificate (dark bottle)

1x250 ml XS Redox/ORP 475 mV ± 5mV / 25°C with N.I.S.T certificate (dark bottle)

1x500 ml XS Redox/ORP 475 mV ± 5mV / 25°C with N.I.S.T certificate

1x5Lt XS Redox/ORP 650 mV ± 5mV / 25°C with N.I.S.T certificate (Politainer Cubibox)