Hanna HI97701 Free Chlorine Portable Photometer – 0.00 to 5.00 mg/LThe Hanna HI97701 is a rugged, IP67 waterproof portable photometer dedicated exclusively to measuring Free Chlorine. Utilizing the EPA approved DPD colorimetric method, it delivers precise readings from 0. 00 to 5. 00 mg L (ppm). Equipped with a proprietary LED optical system, an 8 nm narrowband interference filter, and CAL Check validation, it is the standard QA tool for verifying municipal drinking water safety and food processing sanitation.

Industrial maintenance measurement

Probe: HI12883 pH/EC/TDS probe with 1 m cable

For large farmhouses

or need to attach the HI922 Autosampler

conical glass tip

Torque Settings: 15+1

Parameter: Total Chlorine as Cl₂

High Viscosity Handling: Easily transfers thick industrial fluids up to 15

Suitable for routine light-duty use

Automatic or manual dosing mode selection

ensuring you are not fumbling with valve caps in the dark

and quality control teams that monitor pH during testing of mash