| Accuracy | ± 5% or ± 0.04 mg/L (whichever is greater) from 0 - 5 mg/L Cl₂ ± 10% from 5 - 10 mg/L Cl₂ |
| Air Purge | Optional with 3/8-inch quick-connect fitting and tubing; 0.003 m3/min at 1.38 bar (20 psig) maximum |
| Alerts | Low and high chlorine. Dirty cell. Low and high sample flow. |
| Certifications | CE compliant with: EN 61326-1, CISPR 11, EN 50581 ACMA RCM South Korea KC Certificate North America: FCC Supplier’s Declaration of Conformance, IEC/EN 60529, ICES-003 |
| Controller Compatibility | SC200, SC1000, SC4500. All controllers sold separately |
| Cycle Time | 2.5 minutes |
| Dimensions (H x W x D) | 342 mm x 329 mm x 177 mm |
| Drain | ½-inch ID flexible hose |
| Enclosure Rating | IP66 |
| Inlet | ¼-inch OD polyethylene tube, quick-disconnect fitting |
| Inlet Pressure | 0.3 - 5.2 bar (4.5 - 75 psig) supplied to Y-strainer 0.1 - 0.3 bar (1.5 - 5 psig) supplied to analyzer |
| Installation Kit | Pressure Regulator Installation Kit |
| Interferences | Other oxidizing agents such as bromide, chlorine dioxide, permanganate, and ozone will cause a positive interference. Hardness must not exceed 1,000 mg/L CaCO₃. |
| Light Source | LED, measurement at 510 nm, 1 cm light pathlength |
| Lower Limit of Detection (LOD) | 0.03 mg/L |
| Mounting | Wall mount |
| Operating Humidity | 0 - 90% relative humidity, non-condensing |
| Operating Temperature Range | 5 - 40 °C (41 - 104 °F) |
| Parameter | Chlorine, free; Chlorine, total residual |
| Power Requirements (Voltage) | 12 VDC, 400 mA maximum (supplied by the controller) |
| Range | 0 -10 mg/L Cl₂ |
| Reagent Consumption | 0.5 L of buffer solution and 0.5 L of indicator solution in 31 days |
| Sample Flow Rate | 60 - 200 mL/min through the instrument |
| Sample Requirements | Y-strainer filtration with 40-mesh screen or higher |
| Sample Temperature | 5 - 40 °C (41 - 104 °F) |
| Warranty | 12 months |
| Weight | 4.1 kg (9.0 lbs.) |
| What's included? | CL17sc Chlorine Analyser with Pressure Regulator Installation Kit, and User Manual. User provides screws and/or anchors for mounting. Hach SC Controller and Reagents are not included, they are sold separately. |
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Hach Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Hach.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Hach for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Hach Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Hach.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Hach for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Hach Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Hach.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Hach for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Hach Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Hach.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Hach for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
