Nonvolatile Residue Monitor (NRM)

• The NRM is the only instrument available that conforms to the ASTM ˇ§Standard Test Method for On-Line Measurement of Residue After Evaporation of High-Purity Waterˇ¨, designation D5544-99.
• Detects contaminants missed by TOC monitors, particle counters, on-line silica monitors.
• Detects dissolved inorganic material including both dissolved and colloidal silica.
• Monitors mixed-bed ion-exchange break-through in UPW system.
• Performs filter testing with colloidal silica challenges.

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