Hach DR300 Pocket Colorimeter for Free and Total Chlorine


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Optional Bluetooth connectivity allows you to safely transfer measurement data to Claros – Hach’s Water Intelligence System – reducing errors and saving time by eliminating manual data entry.

Rugged, waterproof (IP67) design withstands whatever conditions you encounter in the field (drops, extreme temperatures, rain and dirt) and still delivers years of dependable, accurate measurements.

Simple, intuitive operation reduces potential manual error, ensuring accurate measurement data you can trust, time after time. Larger display with improved backlight makes reading measurements in all conditions even easier.

Parameter Chlorine - Free + Total
Low Range 0.02 - 2.00 mg/L Cl
High Range 0.1 - 8.0 mg/L Cl
Measurement Method DPD
Includes Carrying case, batteries, sample cells, manual, Hach Communication Dongle


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