December 10, 2014

Calibrating Sensors Using a DPD Kit

You probably know that most chlorine, ozone and chlorine dioxide analyzers are calibrated using hand held DPD kits but did you know that… …DPD can’t tell you when you have no residual? …errors on DPD performance can be up to ± 100%? …a significant number of service calls received by Pi relate to poor calibration?…

Read more

POSTED BY

July 1, 2014

ppm Chlorine vs. ORP measurement

You probably know that some instruments use ORP to control chlorine dosing and others use ppm chlorine sensors but did you know that… …ORP over about 3ppm won’t work? …swimming pools in the USA use ORP and in Europe use ppm chlorine sensors? …the ORP of towns water can vary a great deal? In the USA…

Read more

POSTED BY

March 11, 2014

UV254 Analyzers

You probably know that UV254 analyzers are used to determine the power needed by UV disinfection systems to satisfactorily disinfect water but did you know that… …UV254 analyzers are a fantastic surrogate for TOC analyzers at a fraction of the cost to buy and own? …UV254 monitors are fabulous THM and disinfection by product predictors?…

Read more

POSTED BY

January 14, 2002

How To Make The Most of Particle Counters

You probably know that Particle Counters are really expensive, complex to run, give out too much information and have to be sent-off for re-calibration? NO LONGER! Particle Counter technology has come on in leaps and bounds in the last few years! Did you know that… …the price per point can often be even lower than…

Read more

POSTED BY