DC Voltage Input pH Controllers

Microprocessor-based pH/ORP Controller -- ORCN-37
from OMEGA Engineering, Inc.

This new microprocessor-based family of pH, ORP and pH/ORP panel mounted controller is designed for a wide variety of environmental monitoring applications. The units features automatic or manual temperature compensation of pH, two 5 amp mechanical relays and a choice of a scalable 4 to 20 mA, or 0... [See More]

  • Type: DC Voltage Inputs
  • Control: Limit
  • Controller Type: pH / ORP
  • Form Factor: Chassis
pH & ORP Controller -- WDP410
from Iwaki America and Walchem, IWAKI America Inc

The WPH410/420 Series pH/ORP on-line process controllers are designed for a broad range of industrial, commercial, and municipal water treatment applications. WPH controllers are easily configured to accurately measure pH or mV (ORP) values from Walchem ’s WEL and WDS differential combination... [See More]

  • Type: DC Voltage Inputs
  • Control: Limit
  • Controller Type: pH / ORP
  • Features: Multi-Function
High Accuracy Process Controller -- 900 Series
from Florite International, Inc.

The 900 Series is an economic one loop microcomputer-based instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs.  Other 900 Series features include .005% high accuracy PID, batch, and dose control functions. Additionally, the 900 Series encompasses... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Switch / Relay Input; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; Screw Terminal
  • Control: Limit; Linear; Feedforward; PID
  • Controller Type: Laboratory; pH / ORP
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
pH Controller -- PHCN-961 / PHCN-962
from OMEGA Engineering, Inc.

The PHCN-961/962 series of pH controller and transmitter provides a reliable method of monitoring and controlling pH in water treatment, electrolytic water cleaning, chemical industry, food process, cleaning water or wastewater treatment, and neutralization processes. The controllers standard... [See More]

  • Type: DC Voltage Inputs
  • Control: Limit
  • Controller Type: pH / ORP
  • Form Factor: Chassis
WebMaster® One -- WMB8
from Iwaki America and Walchem, IWAKI America Inc

WebMasterONE is the most powerful, affordable, online analytical process controller the water treatment world has ever seen! The simple, intuitive programming makes it easy to configure your WebMasterONE to control multiple cooling towers, boilers, closed loops, waste streams or virtually any water... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation (optional feature); Frequency Inputs; Serial / Digital Input; Ethernet, Modbus TCP/IP
  • Control: Limit; PID; Other; Flow Based / Timer
  • Controller Type: pH / ORP
  • Features: Multi-Function; Datalogger
Intelligent Integrated Instrument System -- Model 990
from Florite International, Inc.

The Florite Model 990X is an innovative, technically superior, high quality and reliable microcomputer-based controller suitable for any commercial or industrial application. The instruments user configurable screw-terminal channels enable any mix of up to eight inputs and or outputs regardless of... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Switch / Relay Input; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; Screw Terminal, DA15
  • Control: Limit; Linear; Feedforward; PID
  • Controller Type: Laboratory; pH / ORP
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
pH/ORP/Conductivity Controller -- PHUCN610
from OMEGA Engineering, Inc.

The PHUCN600 Series multi-parameter controller is a microprocessor-based controller capable of measuring one of the following parameters, pH, ORP, or conductivity. When shipped from the factory, the PHUCN600 Series is not set to measure any one parameter.When the PHUCN600 Series is powered up for... [See More]

  • Type: DC Voltage Inputs
  • Control: Limit
  • Controller Type: pH / ORP
  • Features: Rate Indication/ Control
WebMaster® One -- WMT8
from Iwaki America and Walchem, IWAKI America Inc

WebMasterONE is the most powerful, affordable, online analytical process controller the water treatment world has ever seen! The simple, intuitive programming makes it easy to configure your WebMasterONE to control multiple cooling towers, boilers, closed loops, waste streams or virtually any water... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation (optional feature); Frequency Inputs; Serial / Digital Input; Ethernet, Modbus TCP/IP
  • Control: Limit; PID; Other; Flow Based / Timer
  • Controller Type: pH / ORP
  • Features: Multi-Function; Datalogger