Reliable online measurement of ozone – with DULCOTEST sensors.
To monitor or control clear water, for instance in the disinfection of potable water, there is the tried-and-tested standard ozone Significantly less environmentally harmful by-products result from the generation and use of ozone ... more in the glossary sensor type OZE3 mA. The innovative sensor type OZR1 can be used in polluted waters, e.g. raw water for potable water generation, cooling water and wastewater. When monitoring for the absence of ozone Significantly less environmentally harmful by-products result from the generation and use of ozone ... more in the glossary, the active carbon filters indicate that ozone Significantly less environmentally harmful by-products result from the generation and use of ozone ... more in the glossary is getting through.
Your benefits
- Two application-optimised sensor types available
- Precise, real-time amperometric measurement for efficient process control (short response time)
- Amperometric measuring eliminates interference caused by turbidity or colouration
- Integrated temperature compensation eliminates interference caused by influence of temperature
- Diaphragm-covered electrodes for reduced dependence on flow, cross-sensitivities, substances in water and film-forming media
- Diaphragm-covered measuring electrodes embedded in an electrolyte ensure long service life. This maintains optimum measuring conditions regardless of process conditions
Technical Details
- pH range: 4.0 … 11.0 Stability range of ozone
- Temperature 5 … 40 ºC
- Pressure max. 1.0 bar
- Flow 30 … 60 l/h (in DGM or DLG III)
- Supply voltage 16 … 24 V DC (two-wire)
- Output signal 4 … 20 mA
Ozone sensor OZE 3-mA
Standard sensor for measuring ozone in clear water. For operation on controllers with 4-20 mA input
Your Benefits
- Measured variable: Ozone, without cross-sensitivity to chlorine, hydrogen peroxide
- Diaphragm-covered sensor (encapsulated) minimises faults caused by changing flow or ingredients in the water
Measured variable | Ozone (O3) |
Reference method | DPD4 |
pH-range | 4.0…11.0 |
Cross sensitivity | Chlorine dioxide |
Temperature | 5…40 °C |
Max. pressure | 1.0 bar |
Flow | DGMa, DLG III: 20...60 l/h
BAMa: 5...100 l/h (depending on design) |
Supply voltage | 16...24 V DC (2-wire) |
Output signal | 4-20 mA ≈ measuring range, temperature-compensated, uncalibrated, not electrically isolated |
Selectivity | Ozone as against free chlorine, combined chlorine, hydrogen peroxide |
Process integration | Bypass: open sample water outlet |
Sensor fitting | BAMa, DGMa, DLG III |
Controllers | D1C |
Typical applications | Potable water and swimming pool water. |
Resistance to | Salts, acids, alkalis. Not surfactants |
Measuring principle, technology | Amperometric, 2 electrodes, diaphragm-covered |
| Measuring range | Order no. |
|---|
OZE 3-mA | 0.02…2.0 mg/l | 792957 |
Note: A mounting kit (order no. 815079) is required for initial fitting of the ozone sensors in the in-line probe housing DLG III.
Ozone sensor OZR 1-mA
Sensor for measuring and monitoring the absence of ozone, also suitable for use in contaminated water. For operation on controllers with 4-20 mA input
Your Benefits
- Measured variable: Ozone, without cross-sensitivity to chlorine, hydrogen peroxide
- Diaphragm-covered sensor (encapsulated) minimises faults caused by changing flow or ingredients in the water
- Suitable also for monitoring the absence of ozone (rupture monitoring on filters) and for discontinuous ozone treatment processes
- Resistance to films of dirt by pore-free diaphragm
Measured variable | Ozone (O3) |
Reference method | DPD4 |
pH-range | 4.0…11.0 |
Cross sensitivity | chlorine dioxide, peracetic acid, bromine, bromamine |
Temperature | 5…40 °C |
Max. pressure | 1.0 bar |
Flow | DGMa, DLG III: 30...60 l/h
BAMa: 5...100 l/h (depending on design) |
Supply voltage | 16...24 V DC (2-wire) |
Output signal | 4-20 mA ≈ measuring range, temperature-compensated, uncalibrated, not electrically isolated |
Response time t90 after 1 month with 0.00 ppm ozone | <210 s |
Selectivity | Non-selective |
Process integration | Bypass: open sample water outlet |
Sensor fitting | BAMa, DGMa, DLG III |
Controllers | D1C |
Typical applications | Potable water, swimming pool water, process, service or cooling water, monitoring the ozone breakdown of filters. |
Resistance to | Salts, acids, alkalis, surfactants, dirt films |
Measuring principle, technology | Amperometric, 2 electrodes, diaphragm-covered |
| Measuring range | Order no. |
|---|
OZR 1-mA-0.5 ppm | 0.01…0.5 mg/l | 1118883 |
OZR 1-mA-2 ppm | 0.02…2.0 mg/l | 1051647 |
OZR 1-mA-10 ppm | 0.1…10.0 mg/l | 1118925 |
Note: A mounting kit (order no. 815079) is required for initial fitting of the ozone sensors in the in-line probe housing DLG III.
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