Chlorine Measurement from Sensorex
September 18, 2011
The FCLA 7000 eXact photometer from Sensorex, Garden Grove, CA, provides field spot testing and fixed sensor calibration support for the company's FCL400 Series free chlorine sensor and CLD400 Series chlorine dioxide sensor. The photometer uses a 525 nm LED light source to measure free chlorine from 0–11 ppm or chlorine dioxide at 0–6.5 ppm with photometric precision of ±0.1/0.01%T and transmission range of 100–0.00%T. The EPA-compliant device comes with 1000 test strips to perform free chlorine tests at 0–6 ppm; it can also use the company's HR strips to test from 6–11 ppm or an additional glycine strip to bind chlorine for chlorine dioxide measurement.
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