Industrial Digital PH Controller

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Online residual chlorine/pH Controller LH-CL650, suitable for industrial, laboratory, or another water testing.

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Hangzhou Lohand Biological Technology Co.,Ltd

Zhejiang, China

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                                                            Product Name
                                                            Industry online residual chlorine/pH controller
                                                        
                                                            Measure range & Accuracy
                                                            0-14 (pH)    ±0.02pH
                                                        
                                                            Hole size
                                                            91x91mm
                                                        
                                                            Weight
                                                            0.9KG
                                                        
                                                            Hypochloric acid
                                                            0-20ppm    ±0.01mg/L
                                                        
                                                            Residual chlorine
                                                            0-10ppm    ±0.01mg/L
                                                        
                                                            Resolution
                                                            0.01pH, 0.01mg/L(residual chlorine),0.001mg/L(HOCL)
                                                        
                                                            Input Resistance
                                                            ≥1x10 ¹²Ω
                                                        
                                                            Temp Compensation
                                                            Manual / Auto temperature compensation
                                                        
                                                            Communication
                                                            RS485, standard Modbus
                                                        
                                                            Signal output
                                                            4-20mA output, Maximum loop 750Ω, 0.01%FS
                                                        
                                                            Power supply
                                                            220V AC 10%,50/60Hzz
                                                        
                                                            Size
                                                            96x96x115mm

Industrial wastewater

Pure water

Circulating water

Food wastewater treatment

Desulfurization pickling

Wastewater treatment

Glass carving process

Electroplating wastewater

Printing

Dyeing

Electronic semiconductor

Chemical

Pharmaceutical

1. The large LCD display, English menu operation.

2. Multi-parameter display at the same time: the value of residual chlorine, pH, temperature, output current, alarm points, etc. Intuitive and easy to read, and alarm for range overrun.
3. Screen displays alarm status and is accompanied by a switch ON / OFF signal output
4. Automatic Temperature Compensation: Automatic 0℃ to 60℃
5. Communication function (optional): RS-485 communication interface(MODBUS protocol is partially compatible), 4 to 20 mA current output corresponding to the DO value can be set freely.
6. Notepad: can store 50 measurements, and the user can record measurement data.
7. Hysteresis amount can be set freely to avoid frequent switching relay action
8. Watchdog function: to ensure that the instrument will not crash
9. Core devices from famous foreign brands
10. Restore the factory settings. Power-down protection> 10 years