Hanna Instruments Free and Total Chlorine Portable Photometer with CAL Check – HI97711

The HI97711 is a high-tech portable photometer for measuring free and total chlorine in the water. This meter features an advanced optical system with a reference detector and narrow band interference filters for extremely fast and repeatable measurements.

  • There is no need to warm up before taking a measurement.
  • Step-by-step instructions are provided in tutorial mode.
  • Uses either powder or liquid reagents to save money.