PH-303
Tenber PH-303 pH ORP Controller
Compact industrial pH/ORP controller with two isolated 4–20mA outputs. Confirm the electrode, temperature input and installation for the process.
View specifications →Industrial Water Quality Monitoring
Industrial pH & Conductivity Controllers for Water Treatment
Tenber supplies online pH, ORP and conductivity controllers for wastewater, RO water and process automation. Selected models support 4–20mA or RS485 Modbus integration.
CE CE certification documentation
4–20mA Selected model output options
RS485 Selected Modbus RTU options
CECE certification documentation
B2BApplication-based model selection
PLCSelected integration options
QuoteConfiguration-based quotation
Product Solutions
Industrial water-quality controllers and sensors
Choose a measurement category first, then review the featured models below. Final selection depends on the liquid, range, temperature, installation and signal requirements.
1
pH / ORP
Online pH and ORP measurement for wastewater, neutralization, dosing and process monitoring.
2
Conductivity
Conductivity, resistivity, TDS and salinity monitoring for RO and industrial process water.
3
Dissolved Oxygen
Online dissolved-oxygen measurement for aeration, biological treatment and process-water monitoring.
4
Sensors & Electrodes
pH, ORP, conductivity and dissolved-oxygen sensors selected with the controller and installation.
Featured Models
Three representative industrial instruments
Use these three current models as a starting point for selection, then confirm the sensor, output and installation for your application.
EC-703
Tenber EC-703 Industrial Conductivity Controller
Industrial conductivity controller for EC, TDS and resistivity monitoring with isolated 4–20mA and relay outputs. Confirm the sensor and range for the process.
View specifications →
EC-702
Tenber EC-702 Industrial Conductivity Controller
Industrial conductivity controller for conductivity, resistivity, salinity and TDS monitoring with isolated 4–20mA and RS485 Modbus RTU. Confirm the sensor and range for the process.
View specifications →Applications
Designed around real process conditions
Water Treatment
Wastewater, drinking water, reverse osmosis, dosing and environmental monitoring.
View application solutions →Industrial Processing
Chemical, power, pharmaceutical, food and beverage process control.
Review process applications →System Integration
Selected 4–20mA, relay and RS485 Modbus RTU options for compatible PLC and SCADA systems.
Discuss integration requirements →Need help selecting a model?
Tell us your liquid, range, temperature, installation and signal requirements.