How do you clean CL17?
What is the cleaning procedure for the CL17 colorimeter? The colorimeter measuring cell may collect sediment or develop a film growth on the inside walls. Cleaning with an acid solution and a cotton swab on a monthly basis is recommended.
What is chlorine analyzer?
Chlorine Analizer. ₹ 95,000/ Unit Get Latest Price. It is designed to monitor free chlorine (residual chlorine) in drinking water, industrial cooling and rinse water, wastewater or other fresh water samples containing chlorine in the range of 0.05-20 ppm Cl2 (High Range) or 0.01 to 5.00 Cl2 (Low Range).
How do you calibrate a CL17 chlorine analyzer?
1) Place a container of zero reference water above the analyzer with at least two feet of head and plumb the analyzer so the sample flow can be shut off and the zero reference water substituted. Let the analyzer run on the zero reference water for at least 10 minutes. 2) Key in the number 0 and then press the ZERO key.
How does a chlorine analyzer work?
The sensors work by separating the electrodes that perform the measurement from the sample, by a membrane. Inside the sensor, the dissolved chlorine meets the electrolyte which is at a low pH. This converts the majority of the OCl– to HOCl.
What does a chlorine meter measure?
Free Chlorine and Total Chlorine analyzers and controllers measure the free residual chlorine (OCl– and HOCl), and the total residual chlorine (free chlorine + combined chloramines).
How is free chlorine measured?
The two major types of instruments for the measurement of free chlorine are colorimetric tests and amperometric analyzers. There are two types of colorimetric tests. The manual test method is similar to a swimming pool test. The automated colorimetric test requires a sample system and reagents.
What is a good chlorine level for drinking water?
4 parts per million
Chlorine levels up to 4 milligrams per liter (mg/L or 4 parts per million (ppm)) are considered safe in drinking water .
How is chlorine measured in water?
The quickest and simplest method for testing for chlorine residual is the dpd (diethyl paraphenylene diamine) indicator test, using a comparator. A tablet of dpd is added to a sample of water, colouring it red. The stronger the colour, the higher the concentration of chlorine in the water.
Should I measure free chlorine or total chlorine?
In clean water, the amount of total chlorine can be used to determine the amount of free chlorine in the water since combined chlorine should be at zero. If, however, there is some combined chlorine in the water alongside free chlorine, the measurement of total chlorine is essentially useless.
At what level is chlorine harmful?
Chlorine levels up to 4 milligrams per liter (mg/L or 4 parts per million (ppm)) are considered safe in drinking water . At this level, harmful health effects are unlikely to occur.
Is the Hach Cl17 free chlorine analyzer still available?
Hach has transitioned the CL17 to the newly upgraded CL17sc, which delivers improved usability and performance. Hach will continue to support the legacy CL17 with service and parts. Dependable online analyzer for colorimetric DPD analysis of free chlorine, total chlorine, or permanganate in disinfection applications.
What are the outputs of a CL17 chlorine analyzer?
Recorder Outputs: One 0/4-20 mA with an output span programmable over any portion of the 0 to 5 mg/L range. Recommended load impedance 3.6 to 500 ohms, 130 V isolation from earth ground. What’s included?: CL17 Chlorine Analyser with 1 Month Supply of Free Chlorine Reagents, Maintenance kit, Installation Kit, and Manual.
What are the diagnostic features of the cl17sc?
The CL17sc is equipped with a comprehensive set of diagnostic features that help you prevent downtime. With a built-in flow meter, three-color status light, measurement cycle indicators, colorimeter window, and on-screen diagnostics menu you’ll spend less time identifying and fixing issues when they arise.
How often should maintenance be performed on cl17sc?
The CL17sc will operate unattended for 30 days and is compliant with US EPA regulation 40 CFR 141.74. Monthly routine maintenance for the CL17sc can be performed in a few minutes, including changing reagents and cleaning the colorimetric cell.