Municipal Drinking Water
Clean Drinking Water
Municipal Water Treatment - NSF 61 Certified
Halogen Systems has found a better way to monitor chlorine in drinking water:
Our new 5-parameter sensor uses 3-electrodes for amperometric chlorine for accurate measurements. It is NSF61 Certified and can be installed directly in a pipe. Halogen’s sensor is unlike any other chlorine sensing equipment available today, like the Hach CL-17.
This versatile sensor can be installed into a flow cell, directly in a pipe, or even immersed in a tank or channel. Our style chlorine sensor provides a simple installation and a low cost of operation.
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Our Analyzer Measures
- Free or Total Chlorine
- Easy Install
- Installed directly in wet tap valve, side stream, or immersion.
- Submersible Immersion mounting options
- Can be over one hundred feet from monitor or SCADA input
- The display connects to up 5 sensors
- Connects directly into a SCADA (Supervisory Control and Data Acquisition) system using Modbus RTU.
- 24VDC or 90 to 240 VAC operation
Our Chlorine Sensors Unique Features:
- Low maintenance – self-cleaning.
- No reagents
- Flow independent – not affected by pressure fluctuations or flow changes.
- No membranes or electrolyte
- No waste stream required
- Low drift – calibration stable for many months
- Factory calibrated.
Amperometric Chlorine Analyzer - low maintenance
Flow Independent Measurement
Our Chlorine sensor is unaffected by flow velocity changes from 0 to 12 f/s. (HSI 06, 2020). This sensor style has an integrated pump, which uses a long-life brushless motor to deliver a fixed velocity across the electrodes, creating flow independence. The high-velocity flow across the electrodes improves sensitivity and Signal to Noise Ratio.
Ease Of Service
A Wet Tap installation method enables direct insertion into a distribution pipe. The highly integrated design reduces the electronics cost and size while increasing reliability.
Self-Cleaning Amperometric Chlorine Sensor
An electrochemical cleaning method resists polarization and adsorption of organics. Cleaning beads continuously clean the sensor keeping the electrode surfaces, including the pH sensor, free from buildup of hardness and biofouling. Solid metal electrodes last the life of the system.
These features combine to enable long intervals between calibration. In freshwater tests, calibrations were stable for more than three months.
Reduced Cost of Ownership
Direct Pipe Insertion Amperometric
Old Technology Amperometric
Not Affected by Flow
No Waste stream
High Pressure pH Sensor
Includes pH Compensation
Calibration or service (months)
6 to 12
Water cost* **
Halogen Savings Annually
* $900 acre/foot water cost (MWD 2018)
**500 mL DPD water Flow Rate (69,204 gallons per year)
***Reagent cost $61.29 per package
Better Information & Additional Parameters
This multiparameter sensor measures four other parameters in a single compact package. These measurements provide the utility with information far beyond the free chlorine level. There is no need for recalibration under changing water conditions.
Discrete sensor systems with a similar number of parameters often cost five or six times as much.
All these parameters mentioned below get transmitted via the Modbus communication protocol. An optional local Display is available for viewing parameters, troubleshooting, and calibration.
Amperometric Free or Total Chlorine
Free chlorine is measured every 45 seconds. The readings are pH, temperature and conductivity compensated.
Integrated pH Sensor
Compare the two-year life of our chlorine sensor versus the industry average of six months on wear parts. For example, the sensor cartridge, an integral part of the sensor, is continually cleaned with our unique cleaning system. Also, our unique pH sensor can tolerate pressures up to 200 PSI and does not need frequent calibration.
Oxidation Reduction Potential (ORP)
Measuring ORP in drinking water is another significant indicator of possible contamination or piping failure. This unique method of measuring ORP keeps the electrodes clean.
Integrated Conductivity Sensor
Changes in conductivity to water utilities are necessary to monitor as they can indicate contamination, a pollution event, or other problems.
Types of Install
MUNICIPAL Water Chlorine Sensor Application
The sidestream version of our chlorine sensor adds flexibility. Sidestream installation allows for a temporary or permanent because it requires only a small water flow of 0 to 0.5 GPH for operation.
In Tank Installation
Since the sensor does not require any water flow, this allows for a tank installation.
Our chlorine sensor also allows for an open channel installation with a boom.
Several power options are available.
- 120V AC
- 24 VDC power from a SCADA system
- Remote power, battery, and solar panel
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