Online pH Controller 96*96
This Online pH Controller 96*96 is a panel-mounted industrial water quality controller designed for standard 96×96mm installation size. It realizes real-time online monitoring and automatic control of pH / ORP values, with high-definition display, upper and lower limit alarm, relay control output, and standard communication interface.
Adopting high-precision measurement circuit and strong anti-interference design, it supports 4–20mA analog output and optional RS485 Modbus-RTU communication. Widely used in water treatment, wastewater, aquaculture, food, pharmaceutical and chemical process water automatic dosing control.
panel size online pH controller 96*96 panel size online pH controller is a high-precision industrial water quality monitoring and control meter. It is compatible with pH and ORP electrodes, real-time monitoring water pH value and redox potential. Built-in automatic temperature compensation, high/low limit relay control, 4-20mA analog output and RS485 communication optional. 96×96 standard square panel, easy cabinet mounting, widely used for water treatment dosing and process control. is a high-precision industrial water quality monitoring and control meter. It is compatible with pH and ORP electrodes, real-time monitoring water pH value and redox potential. Built-in automatic temperature compensation, high/low limit relay control, 4-20mA analog output and RS485 communication optional. 96×96 standard square panel, easy cabinet mounting, widely used for water treatment dosing and process control.


Product Features
• 128×64 dot matrix LCD, supports Chinese/English switching, IP65 protection
• Simplified menu design with graphical interface for easy operation
• Hardware/software anti-interference design for complex industrial environments
• Global power supply 85~260VAC (18~36VDC customizable)
• RS-485 communication with MODBUS-RTU protocol
• Dual-mode PH/ORP measurement
• Compatible with antimony electrodes for hydrofluoric acid environments
Applications
Chemical & pharmaceutical industry, environmental & water treatment, power & energy, food & beverage processing, metallurgy & electroplating, laboratory & research, remote monitoring & automation


Key Advantages for Specific Scenarios
• IP65 Protection + Wide Power Input: Suitable for humid, dusty, or voltage-fluctuating environments (e.g., mines, outdoor).
• Dual Relay Control: Directly drives pumps/valves for dosing, alarms, or equipment control.
• Isolated RS485: Resists electromagnetic interference for stable long-distance communication.
Typical Use Cases
• ORP automatic control system in electroplating plants
• Online pH monitoring for fermentation tanks in pharmaceutical facilities
• Intelligent chlorine dosing in municipal wastewater treatment plants

Technical Parameters
|
Category |
Parameter |
Specification |
|
|
pH Measurement |
Range |
-2.00~16.00 pH |
|
|
Resolution |
0.01 pH |
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|
Accuracy |
±0.01 pH |
||
|
Input Impedance |
≥10¹² Ω |
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|
ORP Measurement |
Range |
-2000~2000 mV |
|
|
Resolution |
1 mV |
||
|
Accuracy |
±1 mV |
||
|
Temperature |
Range |
-10.0~130.0℃ |
|
|
Resolution |
0.1℃ |
||
|
Accuracy |
±0.3℃ |
||
|
Input |
PT1000 or NTC10KΩ |
||
|
Compensation |
Auto/Manual |
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|
Current Output |
Type |
Dual 4~20 mA (adjustable range) |
|
|
Accuracy |
±1% F.S. |
||
|
Load |
<500 Ω |
||
|
Relay Control |
Function Relay |
1 (configurable for cleaning/alarm) |
|
|
Switch Relays |
2 SPST Relays |
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|
Load Capacity |
2.5A 230VAC |
||
|
Data Transmission |
Interface |
RS485 (isolated, 2500Vrms) |
|
|
Protocol |
MODBUS-RTU (bidirectional) |
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|
General |
Power Supply |
85~260VAC or 18~36VDC (selectable upon order) |
|
|
Operating Temp. |
0~60℃ |
||
|
Operating Humidity |
<90% RH |
||
|
Protection |
IP65 |
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|
Mounting |
Panel Mount |
||
|
Dimensions (H×W×D) |
108×108×132 mm |
||
|
Cutout Size |
92.5×92.5 mm (positive tolerance) |
Product Application










