Reliable online measurement of total available chlorine – with DULCOTEST sensors.
Total available chlorine is also known as "stabilised chlorine" and is used to prevent premature decomposition by sunlight in the disinfection of swimming pool water, particularly in outdoor pools. This mainly includes compounds such as derivatives of tri-chloro(iso)cyanuric acid. After it has been metered into the water to be treated, it forms free chlorine and also (iso)cyanuric acid containing chlorine. The sensor measures both compounds, which are designated as total available chlorine.
The innovative diaphragm-covered DULCOTEST sensor for total available chlorine CGE3 is optimised for controlling the disinfection of swimming pool water with derivatives of chloro(iso)cyanuric acid. The sensor can also be used simultaneously with in-line chlorine electrolysis processes without disturbance from the by-products generated.
Features and Benefits
- Sensor for total available chlorine, also suitable for the combination of in-line electrolysis with derivatives of chloro(iso)cyanuric acid
- Can also be used as a sensor for free chlorine without interference caused by the presence of cyanuric acid
- Precise, real-time amperometric measurement for efficient process control (short response time)
- Amperometric measuring eliminates interference caused by turbidity or colouration
- Stable zero point
- Integrated temperature compensation eliminates interference caused by influence of temperature
Field of application
The following list is a general representation of basically suitable applications for this product. Please contact your personal representative to discuss the use of the product in your individual application.
- Control of total available chlorine in swimming pools, especially outdoor pools.
Technical Details
Total available chlorine
- CGE 3-mA
- pH: 5.5 … 9.5
- Temperature: 41 … 113 °F (5 … 45 °C)
Sensor for total available and free chlorine CGE 3-mA
Sensor for total available chlorine, such as derivatives of chloro(iso)cyanuric acid, without disturbance when used in swimming pools where disinfection is provided by electrolysis processes. Also suitable for use as a sensor for free chlorine. For operation with controllers with 4-20 mA input
Your Benefits
- Measured variable: total available chlorine, for instance disinfectant with organic chlorine, such as derivatives of chloro(iso)cyanuric acid
- Measured variable: free chlorine without interference with the presence of cyanuric acid
- Gold electrode to prevent faults by products from electrolysis processes where the electrodes are immersed directly into the sample water (without diaphragm)
- Diaphragm-covered sensor (encapsulated) minimises faults caused by changing flow or substances in the water
- Hydrophilic diaphragm guarantees the permeability of chloro(iso)cyanuric acid derivatives towards the measuring electrodes
- The special reaction system of the electrolyte allows the total available chlorine to be determined and use at a high pH of up to 9.5
Measured variable | Free chlorine and total available chlorine: Total of organically bound chlorine (e.g. bound to cyanuric acid) and free chlorine |
Reference method | DPD1 |
pH-range | 5.5…9.5 |
Temperature | 41…113 °F (5…45 °C) |
Max. pressure | 44 psi |
Flow | DGMa, DLG III: 7.93 ... 15.85 gph (30 ... 60 l/h)
BAMa: 1.32 ... 26.42 gph (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 | total available chlorine and free chlorine as against combined chlorine (chloramines) |
Disinfection process | Disinfectants with organic chlorine, e.g. based on cyanuric acid, chlorine gas, hypochlorite, electrolysis |
Process integration | Bypass: open sample water outlet |
Sensor fitting | BAMa, DGMa, DLG III |
Controllers | D1C, DAC, AEGIS II, AEGIS X |
Typical applications | Swimming pool water; combined disinfection processes with chloro(iso)cyanuric acid derivatives and electrolysis. Water of a similar quality to potable water with a higher pH of up to 9.5. |
Resistance to | Surfactants, cyanuric acid |
Measuring principle, technology | Amperometric, 2 electrodes, diaphragm-covered |
| Measuring range | Order no. |
|---|
CGE 3-mA-2 ppm | 0.02…2.0 mg/l | 1047959 |
CGE 3-mA-10 ppm | 0.10…10.0 mg/l | 1047975 |
A mounting kit, order no. 815079, is required for initial fitting of the chlorine sensors in the in-line probe housing DLG III.
Sensor for total available and free chlorine CGE 3-CAN
Sensor for total available chlorine, such as derivatives of chloro(iso)cyanuric acid when used in swimming pools. Also suitable for use as a sensor for free chlorine. For use on controllers with CAN-bus connection
Your Benefits
- Measured variable: total available chlorine, for instance disinfectant with organic chlorine, such as derivatives of chloro(iso)cyanuric acid
- Measured variable: free chlorine without interference with the presence of cyanuric acid
- Gold electrode to prevent faults by products from electrolysis processes where the electrodes are immersed directly into the sample water (without diaphragm)
- Diaphragm-covered sensor (encapsulated) minimises faults caused by changing flow or substances in the water
- Hydrophilic diaphragm guarantees the permeability of chloro(iso)cyanuric acid derivatives towards the measuring electrodes
- The special reaction system of the electrolyte allows the total available chlorine to be determined and use at a high pH of up to 9.5
- Operation on the CAN-bus with all the associated benefits
Measured variable | Free chlorine and total available chlorine: Total of organically bound chlorine (e.g. bound to cyanuric acid) and free chlorine |
Reference method | DPD1 |
pH-range | 5.5…9.5 |
Temperature | 41…113 °F (5…45 °C) |
Max. pressure | 44 psi |
Flow | DGMa, DLG III: 7.93 ... 15.85 gph (30 ... 60 l/h)
BAMa: 1.32 ... 26.42 gph (5 ... 100 l/h) (depending on design) |
Supply voltage | Via CAN interface (11 – 30 V DC) |
Output signal | Uncalibrated, temperature compensated, electrically isolated |
Selectivity | total available chlorine and free chlorine as against combined chlorine (chloramines) |
Disinfection process | Disinfectants with organic chlorine, e.g. based on cyanuric acid, chlorine gas, hypochlorite, electrolysis |
Process integration | Bypass: open sample water outlet |
Sensor fitting | BAMa, DGMa, DLG III |
Controllers | DULCOMARIN 3, DULCOMARIN II with hardware before 06.02.2014 from software version 3027 or later, with hardware after 06.02.2014 from software version 3033 or later |
Typical applications | Swimming pool water, disinfection processes with chloro(iso)cyanuric acid derivatives and electrolysis. Water of a similar quality to potable water with a higher pH of up to 9.5. |
Resistance to | Surfactants, cyanuric acid |
Measuring principle, technology | Amperometric, 2 electrodes, diaphragm-covered |
| Measuring range | Order no. |
|---|
CGE 3-CAN-10 ppm | 0.01…10.0 mg/l | 1047977 |
A mounting kit, order no. 815079, is required for initial fitting of the chlorine sensors in the in-line probe housing DLG III.
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