Graduated measuring ranges 0.05 – 100 mg/l
Accurate measurement of fluoride with DULCOTEST® sensors in the monitoring of potable water and waste water, suitable for pH values up to 9.5.
Reliable online measurement of fluoride – with DULCOTEST® sensors
In some countries fluoride is monitored when potable water is fluoridised, but also generally during the treatment of industrial waste water.
Our product line of DULCOTEST® fluoride sensors provides two types of sensor, optimised for these applications.
The sensor consists of a fluoride transducer, the connectable transducer of a reference electrode and a separate temperature measuring unit. The sensor is based on the potentiometric measuring principle with the help of an ion-selective electrode (ISE) and a reference electrode.
The measuring point is available fully mounted on our measuring and control system DULCOTROL® with the sensor fitting and controller DULCOMETER®diaLog DACa.
Your benefits
- Precise, real-time potentiometric measurement for efficient process control (short response time)
- Can be used up to a pH of 9.5
- Selective LaF3 crystal eliminates faults caused by cross sensitivities
- Rapid external temperature compensation eliminates faults caused by influence of temperature
- Potentiometric principle prevents faults caused by flow changes
- Potentiometric measuring principle enables quick commissioning
Field of application
- Monitoring of fluoride in potable water. In some countries it is standard practice to add fluoride to drinking water to prevent tooth decay.
- Monitoring discharger limit values in industrial waste water, e.g. in the semiconductor industry
Technical Details
- pH value: 5.5…9.5
- Temperature: 1…35 °C
- Pressure: max. 6 bar, 3 bar (30 °C)
Fluoride Sensor FLEP 010-SE / FLEP 0100-SE
Highly selective, online fluoride sensor, optimised for the fluoridation of potable water and monitoring of waste water with a pH of up to 9.5
Your benefits
- Highly selective measurement of fluoride by LaF3 single crystal silicon
- Unique pH range of up to pH 9.5 by optimisation of the electrolyte
- Two measuring ranges available: 0.05 -10 ppm for potable water; 0.5 -100 ppm for waste water
| Measured variable | Fluoride ion concentration |
| Reference method | Photometrically (Photometer DT2C) |
| Measuring range |
With measuring transducer FPV1: 0.05...10 mg/l With measuring transducer FP100V1: 0.5...100 mg/l |
| pH range | 5.5 … 9.5 |
| Temperature | 1 … 35 °C |
| Max. pressure | 7.0 bar, (no pressure surges) |
| Min. conductivity | 100 µS/cm |
| Shaft diameter | 12.0 mm |
| Fitting length | 120 mm |
| Thread | PG 13.5 |
| Electrical connection | SN6 plug-in head |
| Enclosure rating | IP 65 |
| Installation | Bypass: open outlet or return of the sample water into the process line, inline: direct installation into the pipework; fixed or replaceable (replaceable fitting), tank, channel: Immersion in the immersion tube |
| Intake flow | 10…200 l/h |
| Flow | 20 l/h (recommended) |
| Response time T95 max. | 30 s (for conc. > 0.5 ppm) |
| Shelf life | 6 months |
| In-line probe fitting | Bypass fitting DLG IV |
| Measuring and control equipment | D1C, DAC, DULCOMARIN® |
| Typical applications | Monitoring the fluoridation of potable water in waterworksWaste water |
| Resistance to | Disinfectant, solids content (turbid types of water) |
| Measuring principle, technology | Direct potentiometric measurement, 2 electrodes, gel electrolyte, ceramic diaphragm, separate temperature measurement for temperature compensation needed |
- Reviews
- Can't see what you want ?
This is the product you are interested in but you need a different specification then contact us on