opm-1630
OPM-1630

Automatic UV Meter for Organic Contaminants

Automatic, contactless UV meter for determining organic contaminants.
Measuring Range: 0 - 2.5Abs

Application

This analyzer determines the amount of organic contaminants in the sample stream using UV absorption photometry. A control measurement with white light automatically accounts for and corrects water turbidity. The falling column measurement ensures that the sample stream does not come into contact with the measuring cell, providing long-lasting and stable measurements, as the measuring cell cannot become dirty. Simultaneously, it features a self-cleaning mechanism to prevent sludge in the device from distorting the measurement results. For known relationships, the analyzer monitor can also convert the output values into COD (chemical oxygen demand).
Additional Information: Functionality
The OPM-1630 uses two wavelengths to measure organic contaminants. It employs two highly stable light sources: UV and Visible Light (VIS). The UV lamp emits light in the range of 254nm, while the VIS lamp pulses at 660nm. The latter measures the turbidity of the sample stream. There are two ways to convert the measurements into COD values. The first is to manually establish the correlation between UV absorption and the COD analysis value. The second is to determine the correlation of the manually measured COD analysis value with the UV absorption value minus the VIS absorption value. This method allows for the elimination of the influence of dissolved solids in the sample stream.

Vorteile

Consistent Measurement Results Through a Measuring Cell Outside the Sample Stream

Steam-Resistant Construction

Patented Splash Guard for the Measuring Cell

Automatic Turbidity Correction
Output: Analog: 4 - 20mA, Alarm Contacts; Digital: RS-485, Memory Card

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