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EZ Series COD Analyzers

The EZ Series Online Analyzers offer multiple options to monitor Chemical Oxygen Demand (COD) in water. Typical applications are wastewater and surface water.

The EZ7000 Series COD Analyzers are single-parameter titrators. There is a choice between two disgestion methods.

Dichromate method:
- EZ7000 standard measuring range: 5 - 100 mg/L O2
- EZ7001 standard measuring range: 40 - 500 mg/L O2
- EZ7002 standard measuring range: 60 - 1,000 mg/L O2
- EZ7003 standard measuring range: 80 - 1,500 mg/L O2
- EZ7004 standard measuring range: 100 - 10,000 mg/L O2

Permanganate method:
- EZ7050 standard measuring range: 0 - 20 mg/L O2
- EZ7051 standard measuring range: 20 - 200 mg/L O2

Options for all analyzers include:
- Calibration to 25% or 50% of standard range
- Multiple stream analysis (1-8 streams) reducing cost per sampling point
- Analog and/or digital outputs for communication

Some applications may require the use of a sampling/filtration or an external dilution system for sample preconditioning. For this option please check the EZ9000 Sample preconditioning page.

Use the filters in the table below to find your COD Analyzer. Need support or a different configuration? Please contact us.
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