Analogue probes

Since the start of its activities 55 years ago, a significant part of PONSEL R&D budget has been dedicated to the continuous improvement of its sensors offer in order to meet the needs of a wide spectrum of application fields : laboratories, industrial processes, waste or drinking water treatment plants, natural surface or underground waters, fish farming, and so on.

pH PONSEL probe
Universal pH probe on the total range : 0 to 14 pH.

The probe is composed of :

· One "glass electrode" formed by a very thin bulb of glass sensitive to the pH and welded with the extremity of a crystal tube. The electric resistance of this probe is about 10 000 Mégahoms.
A removable polyethylene strainer protects the pH glass.

· One "reference electrode" (type Ag/AgCl) with plasticized electrolyte saturated with KCL "PLASTOGEL"®.
 
 

ORP probe
The sensor is composed of :

- A "Platinum electrode" made of a Platinum thread welded to the extremity of a crystal tube. A removable polyethylene strainer protects the activate part of the electrode.

- A "reference electrode" Ag/AgCl type with an electrolyte coated with plastic saturated with KCI "PLASTOGEL"®
The "PLASTOGEL"® electrolyte is directly in contact with the environment without capillary or porous interposition. There is no risk of reference blocking or defusing.
 
 

Dissolved Oxygen probe
The Dissolved Oxygen sensor is a Clark type sensor based on the measurement of the current generated by an electrochemical reaction
 
 

Inductive Conductivity probe
CTZ-S10 sensor based on electromagnetic induction
(0-350 mS/cm) tailored for measurements in very dirty industrial mediums ( ex : chemical surface treatments)
 
 
 

Suspended Solid MES probe
The MES PONSEL probe is an optical sensor based on the Infra-Red optical absorption allowing to obtain a direct reading in g/l.

It exists a version with an automatic cleaning system (with the aid of a scraping piston).
 
 

Turbidity probe
Optical sensor based on the same principle than the Suspended Solid probe (MES PONSEL probe), this Turbidity probe allows to follow Turbidity of a water in mg/l or NTU.

It exists a version with an automatic cleaning system (with a scraping piston).
 
 
 

Nephelometric Turbidity probe
The Nephelometric Turbidity PONSEL sensor uses 2 signals (90 and 180°) which are traited by ratiometry and the transmitted light (180°C) is the reference.

Variations of the transmitted and diffused (90°) lights are the same, measurements are independents from the fluctuations of the emissive source of light and the colour of the water.
 
 

Sludge blanket detection probe
Process : IR optical absorption (950nm), pulsed emission
(frequency 10 Hz) and regulated.


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