Clean Water Conditions
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Sample Point Guidelines: Sampling point selection is dependent on the unique conditions of each installation. Consider these factors when deciding where to locate the sampling point: 1. It is desirable to have the system measure the residual chlorine existing in the water after the chlorine has been in the water for a specified period of time (lag time). 2. In any chlorination system, the total lag time is calculated as the elapsed time after the water is injected with chlorine up to the point when the water enters the sample flow cell of the FX-1000p-B Chlorine Analyzer. The FX-1000p-B Bufferless Chlorine Analyzer can measure only the residual chlorine actually reaching its sample flow cell. The sampling point should always be close to the sample flow cell so that the residual chlorine in the water sample at that point is essentially the same as that in the water going through the flow cell. This is most important for installations where the lag time is relatively short. |
| Sample Line: When installing the sample line into the process pipe use brass or plastic fittings as they are less likely to corrode that iron fittings. A sample valve upstream of the sample flow cell inlet tubing is required. We suggest using a metering ball valve, needle valve or globe valve. Ensure that the water sample line is capable of delivering a continuous flow between 150 and 1000 ml per minute to the sample valve at approximately 15 psi. If pressure exceeds 50 psi, use an auxiliary water pressure reducing valve. If necessary, increase the flow to the sample flow cell to reduce the water sample transport time. |
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Sample Specifications
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Clean Water Conditions
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| For drinking water and other clean water applications, here are suggested way's to plumb your chlorine analyzer. | |
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| Click Image to open PDF File | |
Reservoirs
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| Here is a suggested way to plumb a reservoir application (closed body of water). Some reservoir applications are wet wells, swimming pools, large body of water, etc. | |
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| Click Image to open PDF File | |
Non-Continuous Sample Operations
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| Applications were the sample to the FX-1000p-B in non-continuous, meaning no flow conditions from time to time. Example, industrial processes (night time plant shuts down, well system, etc. | |
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| Click Image to open PDF File | |
Carbon Filter (use for zeroing analyzer)
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| Installing a carbon: The FX-1000p requires a unchlorinated water sample to zero the analyzer. If turning off the chlorination system is not possible to obtain an unchlorinated water sample, a carbon filter should be used. | |
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| Click Image to open PDF File | |
