APPLICATION DECISIONS
Engineering logic for the measurement point
Separate clean water, raw water, wastewater, sludge and chemical dosing duties. Record conductivity, suspended solids, fibres, grease, bubbles, foam, sediment, coating and cleaning practice. A submerged level sensor sees hydrostatic head and depends on liquid density and venting; a non-contact radar needs a suitable mounting zone and echo path. Open-channel measurement requires the primary structure and hydraulic conditions, not just a distance sensor mounted above water.
For closed-pipe flow, provide minimum, normal and maximum rates, pipe internal diameter, material and lining, orientation, full-pipe condition, upstream fittings and available pressure loss. Conductive-water service may permit electromagnetic measurement after liner, electrode and grounding review. Entrained air, partially filled pipes, deposits and distorted profiles can affect results. Pump cycling and night-flow conditions should be included because the lowest operating point may control usable sizing.
Site conditions shape reliability and maintenance. State flooding risk, burial, condensation, sunlight, lightning environment, cable distance, power, telemetry and access for cleaning or calibration. Wastewater points may need removable mounting or isolation because buildup is expected. Any ingress, hazardous-gas or environmental approval must match the proposed configuration and installation. Final documents should show sensor location, range, materials, output, enclosure and commissioning checks.
Measurement and engineering factors
- Water and solids condition
- Identify clean, raw, treated or wastewater service plus conductivity, solids, fibres, grease, bubbles, foam, sediment and chemicals.
- Hydraulic range
- Provide minimum, normal and peak flow or level, pump cycles, surcharge, empty condition and credible flooding or overflow.
- Geometry and installation
- Define pipe, channel, weir, flume, wet well or tank dimensions, mounting, straight runs, internals and access.
- Site environment
- State submergence, condensation, sunlight, flooding, lightning exposure, cable route, power and communications.
- Maintenance and evidence
- Describe cleaning, removal, isolation and calibration plans and list drawings, ingress or area documents required for the configuration.
Application scenarios for review
- Wet-well and storage-tank level measurement where foam, turbulence, sediment, pump operation and mounting geometry are known.
- Water-distribution or treatment-pipe flow where conductivity, full-pipe condition, low flow and upstream disturbances are documented.
- Sludge, chemical-dosing and aeration systems where coating, bubbles, pulsation, materials and maintenance access are reviewed.
Limitations and confirmation points
- Partially filled pipes, heavy entrained air, changing sludge properties and uncontrolled buildup can invalidate a standard closed-pipe or hydrostatic assumption.
- This guide does not establish regulatory reporting, custody, ingress or hazardous-area compliance without the required application design and current evidence.
APPLICATION RFQ
Information to send for application review
- Water or wastewater service and composition
- Conductivity, solids, bubbles, foam and coating
- Minimum, normal and peak level or flow
- Pipe, tank, wet-well or channel dimensions
- Pump cycle and upstream disturbances
- Mounting, submergence and flood conditions
- Wetted materials and cleaning method
- Power, output, telemetry and cable distance
- Environmental or area requirements
- Quantity and required drawings or records
PRODUCT FAMILIES
Related measurement categories
APPLICATION FAQ
Frequently asked questions
What information is needed for wet-well level selection?
Provide well dimensions, minimum and maximum level, pump start and stop points, inlet location, turbulence, foam, sediment, grease, condensation and possible flooding. Show the available mounting point, stilling tube or cable route and state whether the sensor can be removed safely for cleaning. Add liquid density if hydrostatic measurement is considered. Final range, dead zone, materials, venting and environmental protection must be verified for the proposed configuration.
When can an electromagnetic flow meter be considered for water service?
It can be evaluated when the liquid conductivity is within the proposed meter’s documented conditions and the pipe can remain full at the measurement section. Review liner and electrode compatibility, grounding, pipe material, minimum flow, bubbles, solids, deposits, straight runs and upstream valves or pumps. Provide actual pipe dimensions and flow range for sizing. The principle is not suitable for gases, steam or a non-conductive fluid simply because the application is located at a water plant.
How should outdoor and flood-prone installations be specified?
Describe normal exposure, direct sunlight, condensation, washdown, temporary or continuous submergence, flood level, ambient range, lightning environment and cable distance. Define where junctions, barriers, power supplies and telemetry equipment will be installed. Ask for the enclosure and cable-entry documents applicable to the exact device and accessories. A general ingress label should not replace installation details, connector sealing, vent management or a site grounding and surge-protection plan.