Multi parameter swimming pool fluid analysis and regulating method and device

1. A method for determining values of multiple parameters in swimming-pool fluid, containing chlorine as a disinfectant agent, said method comprising the following steps:

a. sampling said swimming-pool fluid and obtaining a single spectrometric fingerprint of said swimming-pool fluid either in the visible band or the UV band by a spectroscopic device;

b. sampling said swimming-pool fluid and obtaining data from at least one additional sensor different from a spectrometric sensor, said at least one additional sensor selected from a pH sensor, an ORP sensor, a temperature sensor, an electrical conductivity sensor, a pressure sensor, ion-selective electrodes, a flow rate sensor, a free Chlorine sensor, a combined Chlorine sensor, a turbidity sensor, a Cyanuric sensor, an Alkalinity sensor, and a Salinity sensor, sending said spectrometric fingerprint and sensor data to a processing unit,

wherein the single spectrometric fingerprint and the data from the at least one additional sensor are taken at the same time;

c. analyzing signals generated by said spectroscopic sensor and by said at least one additional sensor via a Chemometric algorithm which includes at least one of the following multivariate calibration techniques, supervised multivariate classification techniques, unsupervised classification techniques, multivariate curve resolution, multivariate statistical process control (MSPC), and multiway methods to provide a swimming pool analysis report and obtain values of quality parameters from said analysis report, said parameters include at least one of a pH level, the concentration of Hypochlorite ions (OCl −1 ), and the concentration of Cyanuric acid in said swimming pool fluid,

wherein the analysis report is based on the single spectrometric fingerprint and the data from the at least one additional sensor.

2. The method of claim 1 , comprising applying at least one spectroscopic technique selected from: (a) ultra-violet-visible spectroscopy, (b) absorbance ultra-violet-visible spectroscopy, (c) fluorescence ultra-violet-visible spectroscopy, (d) near infrared spectroscopy, (e) absorbance near infrared spectroscopy, (f) fluorescence near infrared spectroscopy, (g) synchronous fluorescence spectroscopy, and (h) reflectance ultra-violet-visible spectroscopy to provide at least one of a pH level, concentration of Hypochlorite ions (OCl −1 ), and concentrations of Cyanuric acid.

3. The method of claim 1 , wherein said at least one additional sensor comprises a turbidity sensor and a temperature sensor.

4. The method of claim 1 , wherein said at least one additional sensor comprises a conductivity sensor and a temperature sensor.

5. The method of claim 1 , wherein said at least one additional sensor comprises a turbidity sensor and an electrical conductivity sensor.