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Pollution & Process Monitoring Ltd


Manufacture of anaylsers suitable for on line measurement of water and waste-water measuring TOC (Total Organic Carbon), Nitrification Inhibition (Toxicity)& Ammonia (ammoniacal-nitrogen). UK representative for WTW, DKK & HF Scientific. Single and multiple paparmeter measurement, on-line and field portable. Parameters include turbidity, MLSS, ammonium, phosphate, nitrate, pH, D0, conductivity, Oil on water, oil in water and UV absorption. Also distribute for JUM manufacturing portable and fixed FID (Flame Ionisation Detectors) suitable for gasseous emmissions monitoring of VOC's with heated furnaces and transfer lines


Mr Steve Tuck
Bourne Enterprise Centre, Borough Green,

TN15 8DG

Realtech Portable UVT monitor using UV254nm absorption

The measurement of UV transmission is widely deployed to verify the intensity of UV sterilisation processes depending upon the amount of dissolved chemical matter and the concentration of suspended solids.

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Realtech instruments are installed to control the UV sterilisation process to ensure the correct intensity of UV sterilisation is achieved according to strict regulations.

The on-line instrumentation must be performance checked and one approach is to regularly take spot samples for analysis on a calibrated portable device, so comparative date may be used to audit the control instrument.

The P200 portable UVT instrument is a compact, simple device allowing for discrete measurement of UV transmission at a frequency of 254nm.

The % transmission is affected by the amount of chemical contamination in particular organic species and the amount of suspended solids within the sample.

A discrete measurement may be performed within minutes on the P200 instrument allowing for rapid assessment of process control instruments. The instrument may be powered from the mains, a power outlet suitable for connection to a cigarette lighter or alternatively the P200 may be equipped with an internal battery, allowing for complete flexibility of use.

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