Conductivity sensors don’t “physically or electronically” vary significantly over time. The temperature compensation resistor is the only item that has a variable value in the sensor itself. Everything else is a straight ahead mechanical arrangement (Red and Black wires connect…
Paddlewheel Flow Meter Installation Guide
The Lakewood Instruments paddle wheel flow meter is a simple & reliable meter for make-up water applications. View our guide for tips for proper installation.
Troubleshooting Flow Switch Cooling Tower Issues
Have you ever arrived at a customer site and noticed something wasn’t quite right? Maybe the controller says the system conductivity is well above your set point but the blowdown valve is closed. That doesn’t make sense. Or maybe the…
Troubleshooting Boiler Conductivity Sensors
The main cause of boiler sensor failure is steam exposure. Our SR2 series sensors, both Standard and Harsh Duty, are not designed for a steam environment. When a boiler plumbing set-up is not optimized, damage to the sensor can be…
Troubleshooting 2-Electrode Conductivity Sensors
Cooling tower sensors come in either 2 electrode or 4 electrode versions. The 2-electrode sensors are used on the model 140,1575e, and newer Nexsys controllers. They were also used on the old 100 series (101,111,151,161) and some pre-2000 series controllers.…