Dwyer Controllers & Timers
Dwyer conductivity and timer controllers are reliable, easy-to-use solutions for conductivity and water quality control or timer-based control in a wide range of industrial and commercial applications. Designed for measurement and regulation of conductivity, Dwyer conductivity meters accurately monitor water chemistry and can directly control chemical dosing equipment and other outputs. With many integrated features including switching and alarm output options, Dwyer conductivity controllers require very little setup or adjustment. They can be trusted for trouble-free conductivity measurement and automation year after year with excellent accuracy and consistency.
Dwyer timer controllers are compact industrial control timers that can automate equipment based on adjustable delay, cycling and duration timing. The timers feature easy-to-set delay and repeat, on/off time settings for direct automatic operation of pumps, solenoids, valves, feeders or other process control components. These cycle timers help automate and standardize purge, dosing, sampling and operation cycles. Their rugged construction supports use in harsh or wet environments, while their electronic reliability reduces downtime and maintenance.
FAQs
What do Dwyer conductivity and timer controllers do?
Dwyer conductivity and timer controllers measure the conductivity of liquids to monitor water quality and automatically control processes such as blowdown, chemical dosing, or system purging while also offering integrated timing functionality for interval-based automation.
Where are Dwyer conductivity controllers commonly used?
These controllers are widely used in boilers, cooling towers, wastewater systems, commercial water treatment, and industrial process applications where maintaining proper conductivity levels is critical for efficiency, safety, and equipment longevity.
What makes Dwyer conductivity and timer controllers reliable for industrial systems?
Dwyer designs these controllers with durable electronics, stable measurement technology, user-friendly calibration, and rugged housings, ensuring dependable performance even in demanding environments where continuous monitoring is required.
Are Dwyer conductivity controllers easy to integrate with existing equipment?
Yes, Dwyer controllers typically include straightforward wiring options, clear display interfaces, and standard relay outputs that make them compatible with pumps, valves, solenoids, and other automation equipment.
How do I choose the right Dwyer conductivity or timer controller?
Selection depends on your required measurement range, process temperature, installation environment, relay output needs, and whether your system requires single-setpoint control, simultaneous conductivity monitoring, or integrated timed cycle control.
Analog and Digital Control Signals: The Basics
Digital Signals
Digital signals are represented in either a true or false. There is no gray area with digital signals. An example of this might be a light switch. A light switch is either on or off. Another example of this might be a motor that is running or not running. Digital signals can be generated with both AC and DC circuits with varying voltages, currents and resistance. Some practical examples of using digital signals in an industrial environment might be if a pump is running or not running or a whether a valve is open or closed.
Analog Signals
Analog signals convey information in the form of a range. A light switch might be on or off as a digital signal, but a dimmer switch would be an analog signal. It can be on or off, but it can also be somewhere in between. A practical example of using analog signals in an industrial environment would be if there is a need to measure the level of a tank; whether it's full, empty or somewhere in between. Analog signals can take many different forms with some of the more common being a 4 to 20 milliamp signal or a 0 to 5 or 0 to 10 volt signal.
Communication
Communication in a device can either be sent or received. Whether that data is sent or received depends on the type of information. Is there a need to monitor the status of something? If so, an input needs to be received about that information. Is there a need to control something? If so, an output needs to be sent about what needs to occur. Receiving inputs and setting outputs are both things that can be accomplished by using both digital and analog signal types. Therefore, the signals are referred to as analog outputs (AO), analog inputs (AI), digital inputs (DI) or digital outputs (DO).