Measure
Start with the parameter, process location and condition that need to be observed.
Online Dosing and E-Sense
Measure the system. Connect the feed decision.
Connect measurement, controller logic and chemical feed to the process point they are designed to control.
Online dosing fundamentals
A dosing system is a connected measurement-to-injection chain.
A useful online dosing system connects the process measurement, sensor signal, controller decision, chemical tank, metering pump, injection point and operating verification.
This workspace explains that architecture. It does not determine a controller model, set point or chemical-feed rate without a system-specific review.
Signal
Connect the sensor and its installation to the controller input.
Decide
Review controller logic, alarms and response in the context of the process.
Deliver
Keep chemical tank, pump and injection arrangement connected to the selected control logic.
Inject
Confirm the actual injection point and downstream process zone.
Verify
Use operating observations and trend data to support technical follow-up.
Controller selection, programming, calibration and chemical-feed decisions require the current system assessment and approved technical documentation.
Existing interactive system visual
Online dosing and control architecture
Select a controller or click a visible control-system component.
Online dosing workspace
Choose a control-system area. Then review the equipment context.
The workspace connects controller families to their measurement, control and dosing architecture. It is not a stand-alone model-selection tool.
The measurement point determines the control conversation.
A controller is only as useful as the process signal it receives. Measurement review begins with the required parameter, process location, installation and available operating context.
- Process condition
- Measurement point
- Sensor signal
- Controller input
Confirm first
- Required parameter
- Process-line location
- Sensor installation context
- Existing controller interface
Conductivity control begins with the correct operating question.
A conductivity controller is reviewed with the intended process decision, the measurement location, controller logic and the downstream response it is expected to support.
A measured value only becomes useful when it is connected to a verified operating action.
pH and ORP control depend on sensor and process context.
pH and ORP controller review connects the selected parameter to sensor location, controller configuration, chemical-feed architecture and operating procedure.
Review context
- Required process parameter
- Sensor and installation arrangement
- Controller response logic
- Chemical-feed and verification route
Controller decisions need an agreed process response.
The controller, any alarm or interlock, and the resulting chemical-feed decision are reviewed as one operational architecture.
- Signal
- Controller logic
- Operating response
- Chemical delivery
- Verification
E-Sense level controllers are reviewed against the required control architecture.
The E-Sense Level 2, Level 3 and Level 4 Controller references are considered against the number and type of control requirements, the process arrangement and verified technical documentation.
Confirm
- Required process inputs
- Controller-function requirement
- Existing system architecture
- Dosing and alarm response
An alarm should lead to a defined operating response.
Alarm and control logic are reviewed with the responsible team, current site procedure and the equipment chain they are intended to protect.
Controller configuration should follow the process and approved site procedure.
The tank-to-injection route is part of the system design.
Chemical storage, metering pump, tubing, valves, injection point and the downstream process should be considered as a connected delivery route.
- Chemical tank
- Metering pump
- Delivery line
- Injection point
- Process line
Pump selection belongs with the chemical and control route.
A dosing-pump discussion is connected to the chemical, selected process line, controller logic, delivery path and the operational context it serves.
Review context
- Chemical-feed route
- Tank and pump arrangement
- Control signal and response
- Injection-point configuration
The injection point must be confirmed against the process.
The intended treatment point, mixing conditions, line geometry and downstream process context are reviewed before an injection arrangement is finalised.
A dosing skid does not define the process point on its own.
A controlled system is verified in operation.
The measurement-to-injection chain remains valuable when commissioning, operating observations, trend data and technical follow-up are kept connected.
Keep visible
- Calibration and commissioning context
- Controller observations
- Chemical-feed operation
- Trend or event review
- Technical follow-up
Commission the whole chain, not only the controller.
System verification considers the sensor, controller, tank, pump, delivery line, injection point and the process condition being monitored.
- Verify measurement
- Verify logic
- Verify delivery route
- Verify process response
Trend information supports a technical conversation.
Where available, operating records can help relate current controller behaviour to the water system, chemical programme and the action taken on site.
Remote visibility supports review; it does not replace site operating responsibility.
System-first review
Which part of the dosing architecture are you reviewing?
Use the system question to open the relevant technical area. These routes do not choose a controller model or operating set point automatically.
Diagnostic pathway
- Define process question
- Confirm measurement
- Review controller logic
- Review delivery route
- Verify operation
Online dosing assessment
The right controller discussion starts with the full equipment chain.
A responsible dosing-system review brings measurement, control logic, chemical delivery, injection point, operating procedure and verification into one system assessment.
A. Process and measurement
- Required parameter
- Process location
- Sensor and installation context
- Current observation needs
B. Controller and logic
- Controller-function requirement
- Signal and response
- Alarm or interlock context
- Current site procedure
C. Chemical delivery
- Tank and pump route
- Delivery line and valves
- Injection-point context
- Downstream process condition
D. Verification
- Commissioning context
- Calibration and maintenance information
- Trend or event records where available
- Technical documentation
| Potential condition | Primary technical area | Assessment focus |
|---|---|---|
| Measurement question | Measurement and Signals | Confirm parameter, location and sensor context. |
| Controller selection question | Control Logic | Confirm required inputs, logic and response. |
| Chemical-feed question | Chemical Delivery | Confirm tank, pump, line and injection arrangement. |
| Installation verification | Connected Operation | Confirm the complete measurement-to-injection chain. |
| Data or trend review | Connected Operation | Relate records to the actual system and operating procedure. |
This is an educational system framework, not an automatic controller-selection or dosing recommendation engine.
Monitoring and verification
Keep signal, decision, delivery and follow-up connected.
The information available for review depends on the installed system, current operating procedure and verified controller capability.
Signal
- Parameter and measurement point
- Sensor condition and installation
- Available readings
Decision
- Controller logic
- Alarm or interlock context
- Responsible operating response
Delivery
- Tank, pump and line route
- Injection-point condition
- Downstream process context
Follow-up
- Commissioning evidence
- Trend review where available
- Maintenance information
- Technical follow-up
Connected operating loop
- Measure
- Interpret
- Control
- Dose
- Verify
- Review
Approved controller references
Six online dosing controller references, linked to their control context.
Each item below is part of the approved public Online Dosing Systems architecture. Technical datasheet requests remain connected to the intended water system and control requirement.
E-Sense Level 2 Controller
Controller architecture review for the intended system.
Request technical information →E-Sense Level 3 Controller
Controller architecture review for the intended system.
Request technical information →E-Sense Level 4 Controller
Controller architecture review for the intended system.
Request technical information →Conductivity Controller
Conductivity-measurement and response context.
Request technical information →pH Controller
pH-measurement and chemical-feed context.
Request technical information →ORP Controller
ORP-measurement and chemical-feed context.
Request technical information →Technical documentation
Request Online Dosing Technical Information
Technical information is requested against the intended controller, process signal and water-system context.
Technical FAQ
Questions, answered with system context.
What is an online dosing system?
It is a connected measurement, control and chemical-delivery architecture built around the relevant process condition.
Can a controller be selected without reviewing the process?
Controller suitability depends on the required measurement, control logic, equipment chain and intended operating response.
Why is the injection point important?
The injection point connects the chemical-delivery system to the process zone where the treatment is intended to act.
What do pH, ORP and conductivity controls have in common?
Each requires a verified signal, suitable controller logic and a response linked to the actual process and operating procedure.
Does remote visibility replace operating checks?
No. It may support technical review, but site operating responsibility and procedure remain essential.
What information supports a dosing-system review?
Useful context includes the target process, measurement requirement, equipment arrangement, chemical-feed route and available operating information.
Technical assessment
Build the dosing system around the process decision it must support.
Share the intended water system, required measurement, existing equipment and operating objective for an application-led dosing-system review.