The residual chlorine analyzer is widely used in various industries such as drinking water treatment plants, drinking water distribution networks, swimming pools, water quality treatment engineering, sewage treatment, and water disinfection (with chlorine dioxide generators) to continuously monitor and control the residual chlorine and temperature values in aqueous solutions.

1、 Characteristics of residual chlorine monitoring instrument
2、 Technical parameters
instrument parameters |
Data indicators |
Parameter Description |
notes |
measuring range |
Residual chlorine: 0-20.00mg/L (ppm); Temperature: 0-50.0 ℃; |
Can be manually set |
Environmental temperature: -10~60 ℃; Relative humidity: not exceeding 90%; During the detection of residual chlorine analyzer, there should be no strong magnetic field interference in the surrounding area except for geomagnetic field, otherwise it may cause the instrument to lose sensitivity. |
resolution |
Residual chlorine: 0.001mg/L; Temperature: 0.1 ℃; |
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accuracy |
Residual chlorine: ± 1% F · S; Temperature: ± 0.3 ℃; |
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Corresponding time |
90% less than 90 seconds; |
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PH compensation range |
5~9pH; |
Manual pH compensation |
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Isolation current output |
0-10mA (load resistance<1.5K Ω); 4-20mA (load resistance<750 Ω); |
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Two sets of relay control contacts |
3A 240VAC, 6A 28VDC or 120VAC; |
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Instrument power supply |
220VAC ± 10%, 50 ± 1Hz, power ≤ 3W |
Depending on the actual situation on site |
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Instrument installation method |
Disk mounted (embedded); Installation hole size: 91 × 91mm |
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optional function |
RS485//RS232 communication interface connected to computer |
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External dimensions of the instrument |
96*96*130mm |
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Instrument weight |
0.6kg |
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Residual chlorine online analyzer: http://www.wxdct.cn/c_html_products/yulvzaixianjianceyi-315.html
enclosure:Application of residual chlorine online analyzer in automatic chlorination process