Details

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The Hanna HI97106 Chemical Oxygen Demand (COD) Portable Photometer is a rugged, lab-grade instrument designed for field or bench testing of water and wastewater. Here's a complete overview:

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⚙️ Core Features

• Waterproof & durable: Sealed optical system within an IP67-rated floating case—ideal for outdoor conditions 

• High-precision optics: Dual LEDs (420 nm for low range; 610 nm for mid/high/ultra-high) with narrow-band (±1 nm) interference filters and silicon photocell detector 

• Consistent readings: Positive-lock vial system ensures exact positioning for repeatability 

• User guidance: Integrated tutorial walks through sample prep and reagent use 

• Performance verification: CAL Check™ function with NIST-traceable cuvettes confirms instrument accuracy on-site 

• Auto data logging: Stores up to 200 measurements, with auto-off after inactivity to save power
  
   

  Range	Scale (as O₂)	Resolution	Accuracy
  LR	0–150 mg/L	1 mg/L	±5 mg/L or ±4 % at 25 °C
  MR	0–1,500 mg/L	1 mg/L	±15 mg/L or ±4 % at 25 °C
  HR	0–15,000 mg/L	1 mg/L	±150 mg/L or ±2 % at 25 °C
  UHR	0–60.0 g/L	0.1 g/L	±0.5 g/L ±3 % at 25 °C