- +86 571 8501 2111
- fpi-online@fpi-inc.com
- 459 Qianmo Road, Distretto di Binjiang, Hangzhou, Cina
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The residual chlorine online sensor is an online constant-voltage type sensor. It features a built-in flow stabilization cell that effectively eliminates the impact of flow rate on sensor performance. Equipped with integrated temperature and pH sensors, it supports automatic compensation for water temperature and pH. The sensor adopts an RS485 interface and standard Modbus protocol for easy integration.
A constant potential is applied between the measuring and reference electrodes to form a micro-current measurement system consisting of two platinum electrodes (working and counter electrodes) and a reference electrode. Hypochlorous acid undergoes redox reactions on the surface of the working electrode, generating a current signal. The residual chlorine concentration is calculated based on the relationship between current intensity and chlorine concentration. Meanwhile, the system measures the water temperature and pH, and performs signal compensation to obtain an accurate residual chlorine concentration in the water.
| Modello del prodotto | FCl-200 | ||
| Principio di funzionamento | Constant voltage glass electrode method | ||
| Measurement factors | Cloro residuo | pH | temperature |
| Campo di misura | (0-20) mg/L | 0~14 | (0~50)℃ |
| Accuratezza della misurazione | ±10%； When the concentration is less than 0.5mg/L± 0.05mg/L | <0,1pH | 0.1℃ |
| pH compensation range | 6~9 | ||
| Limite di rilevamento | 0,02mg/L | ||
| risoluzione | 0,01 mg/L | ||
| Response time | ≤10s | ||
| Interfaccia di comunicazione | RS485, protocollo standard Modbus | ||
| Dimensioni: | （250*203*165）mm | ||
| Materiale | Electrode: platinum ring glass; Detection cell: acrylic | ||
| Tensione di esercizio | 24V DC | ||
| MTBF | ≥ 1440 ore/ora | ||
| power consumption | 0.3w | ||
| Minimum flow rate | 0.5-1.2L/min | ||
| Metodo di pulizia: | Compressed air/raw water recoil | ||
| Periodo di calibrazione | 1 month | ||
| Ambiente di lavoro | (0~50)℃ | ||
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