Hanna Instruments HI701 / 701 – Free Chlorine Colorimeter – Checker® HC

Accurate chlorine testing made simple 💧⚡. The Hanna HI701 Free Chlorine Checker® HC bridges the gap between basic test kits and professional instruments, providing fast, digital results in a portable pocket size 🐠🔬.

Why You’ll Love It 🌟

• 📊 Digital readout removes guesswork from color charts
• ⚡ Accurate results with ±0.03 ppm ±3% of reading
• 🔋 Compact and portable handheld design
• 🧪 Perfect for freshwater and saltwater aquariums, tap water, and labs

Key Features

• Measurement range: 0.00 to 2.50 ppm free chlorine
• Resolution: 0.01 ppm
• Accuracy: ±0.03 ppm ±3% of reading
• Light source: LED @ 525 nm
• Detector: Silicon photocell
• Auto shut-off after 10 minutes

How to Use ⚙️

• Fill the cuvette with 10 mL of sample water
• Insert into the Checker and zero the instrument
• Add HI701-25 reagent packet, shake gently, and reinsert cuvette
• Press button for digital chlorine reading

What’s Included

• HI701 Checker® HC handheld colorimeter
• Sample cuvettes with caps (2)
• Starter reagent set for 6 tests
• 1.5V AAA battery
• Instruction manual

More Information

Shop Related Products

• HI701-25 Free Chlorine Reagent Refills – 25 Tests
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