Cooling Tower Conductivity Controller -- WCT400
from Iwaki America and Walchem, IWAKI America Inc

The WCT400/410 Cooling Tower Controllers represent the latest in technological and innovative advancements from Walchem. All of the standard features you ’d expect from a conventional cooling tower controller are included, plus optional simple-to-use information management tools that enable... [See More]

  • Control: Limit; PID
  • Features: Multi-Function; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Controller Type: pH / ORP
  • Form Factor: Chassis
M300 Dual-Channel, User-Configurable for pH, Oxygen or Conductivity
from Mettler-Toledo Process Analytics

The M300 Series dual-channel transmitters for pH/ORP, oxygen and conductivity measurements combines robustness with ease of use. Its versatility and solid measurement performance makes it the ideal choice for light industrial applications. The M300 transmitter is designed for comfortable operation:... [See More]

  • Control: PID
  • Features: Multi-Function; Rate Indication/ Control
  • Controller Type: pH / ORP
  • Form Factor: Chassis
Chemical Metering System -- PHP-190 Series
from OMEGA Engineering, Inc.

The PHP-190 Series of chemical metering systems are unique instruments that combine a pulse frequency controller with a diaphragm-type pump in one compact unit. In the control mode, deviations from setpoint are converted to pulses which vary the stroke rate of the metering pump. As the setpoint is... [See More]

  • Control: Limit; PID
  • Features: Rate Indication/ Control
  • Controller Type: pH / ORP
  • Form Factor: Stand-Alone
High Accuracy Process Controller -- 900 Series
from Florite International, Inc.

General high performance universal process controller [See More]

  • Control: Limit; Linear; Feedforward; PID
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Controller Type: Laboratory; pH / ORP
  • Form Factor: Board (optional feature); Chassis; Rack; Stand-Alone; Wall Mount
Indicator/Controller -- AQUIS 500 AS
from JUMO Process Control, Inc.

The AQUIS 500 AS transmitter / analyzer is made for use with sensors providing a standard signal output of (0)4 to 20mA. Thus, one instrument can be used to measure and control such diverse analytical variables as chlorine, ozone, and hydrogen peroxide, as well as level and indeed any variable... [See More]

  • Control: Limit; PID
  • Features: Multi-Function
  • Controller Type: pH / ORP
  • Form Factor: Chassis