The Hanna HI97711 is a portable photometer that measures free and total chlorine in water from 0.00 to 5.00 mg/L (ppm) using an adaptation of the EPA DPD Method 330.5 — delivering lab-quality accuracy in a rugged, easy-to-use handheld.

Key features

• Advanced optical system with an LED light source, 8 nm narrowband interference filter, reference detector, and focusing lens for fast, repeatable readings (±0.03 mg/L ±3%)
• IP67 waterproof and buoyant housing; no warm-up time before measuring
• CAL Check performance verification, on-screen Tutorial Mode, reaction timer, and GLP data recall
• Automatically logs the last 50 readings; runs on 3 AA batteries with auto-off
• Accepts either powder or cost-saving liquid reagents

What's included: HI97711 photometer, sample cuvettes with caps, DPD reagent starter, 3 AA batteries, instrument quality certificate, and instruction manual.

Applications: drinking water, swimming pools and spas, wastewater and disinfection monitoring, food processing, and cooling water.

Find chlorine reagents, CAL Check standards, cuvettes, and spares in our Hanna Accessories & Parts collection.

Estimated shipping weight: 1.5 lb.