PH-303
Tenber PH-303 pH ORP Controller
Compact industrial pH/ORP controller with two isolated 4–20mA outputs and Pt1000 or NTC10K temperature compensation for water treatment and process monitoring.
View specifications →Industrial Water Quality Monitoring
Industrial Water Quality Instruments for Continuous Process Monitoring
Tenber supplies online pH, ORP, conductivity, dissolved oxygen and multi-parameter instruments for water treatment and industrial process monitoring.
CE CE certification documentation
4–20mA Selected model output options
RS485 Selected Modbus RTU options
CECE certification
B2BApplication-led 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 Controllers
Online pH and ORP measurement for wastewater, neutralization, dosing and process monitoring.
View category →2
Conductivity Meters
Conductivity, resistivity, TDS and salinity monitoring for RO and industrial process water.
View category →3
Dissolved Oxygen
Online dissolved-oxygen measurement for aeration, biological treatment and process-water monitoring.
View category →4
Sensors & Electrodes
pH, ORP, conductivity and dissolved-oxygen sensors selected with the controller and installation.
View category →Featured Models
Three representative industrial instruments
Use these three core models as a starting point for selection, then confirm the sensor, output and installation for your application.
ECS-7301
Tenber ECS-7301 Conductivity Meter
Industrial conductivity meter for EC, resistivity, salinity and TDS measurement with dual 4–20mA and RS485 Modbus RTU outputs.
View specifications →
DOS-5301
Tenber DOS-5301 Dissolved Oxygen Controller
Online dissolved oxygen controller with temperature compensation, dual isolated 4–20mA outputs and RS485 Modbus RTU.
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?
Send your liquid type, range, temperature, pressure and signal requirements.