Ask for a sample or a small pilot. Availability, minimum quantity and sample charges depend on the selected model.
Price & delivery
Range, interface, accessories, quantity and destination affect the quote. Stock, lead time, freight, taxes and delivery terms need confirmation.
Warranty & support
Coverage, duration, exclusions and the fault-assessment process are confirmed for the quoted model before order.
Certificates & documents
Tell us the destination and required standard. We check the exact model, document revision and available evidence; a family listing is not certification.
Public documents describe this product family and selection options. Wiring, register maps and compliance documents must match the model and version selected for your order.
Water & Utilities Hardware Catalog PDF · English · 388 KiB File revision: 2026-07-22 · 82cac85fcd00
Need documents for engineering or purchasing?
Choose what you need. We first identify the model and revision, then confirm which documents can be supplied. The request does not imply that every document is available.
Public now
Public selection guidance and model-selection catalogue
Check for the selected model
Exact-model datasheet · Wiring / pinout · Register map, protocol or sample data · Model-specific certificates · Calibration and measurement evidence · Dimensions / installation drawing
Customer platform or an agreed third-party service
How the model is selected
The written quotation ties the site requirement to one reviewed hardware configuration.
Site requirement
Application, medium, mounting and environment
Hardware configuration
Signal, protocol, power and enclosure
Quote confirmation
Model, quantity, certificates and delivery
Remote integration context
Sensors, interfaces, enclosure, power and mounting are confirmed against the actual project before quotation.
Choose the probe type from the medium, pressure and temperature
The four mechanical families do not share the same wetted materials or service limits.
Type A uses an ABS body with graphite electrodes and is reviewed to 0.8 MPa. Type B uses nylon fibre with 316 stainless steel; Type C uses nylon fibre with graphite. Types B and C are reviewed to 1.0 MPa.
Type D uses 316L and PEEK wetted materials, supports the reviewed high-temperature configuration and is reviewed to 2.0 MPa. Confirm whether the installation uses the Type D two-wire 4-20 mA option or the standard simultaneous-output configuration.
Select a documented range. Types A/B/C support 0-2000, 0-5000, 0-10000 or 0-20000 µS/cm; Type C also supports reviewed custom ranges. Type D supports 0-50, 0-500, 0-10000 or 0-20000 µS/cm.
Show 4 more reviewed selection notes
Install the conductivity cell where it remains wetted and where bubbles do not collect across the measurement opening. Confirm immersion depth or NPT3/4 process geometry before release.
The probe is not maintenance-free: deposits, oil, biofilm and scale change the cell response. Define cleaning access, inspection frequency and the reference solution or comparison method.
IP68 applies to the probe. Cable entries, junctions, controllers and enclosures require their own environmental protection.
A matching manual documents calculated TDS and salinity data, but the direct measurement is EC. Confirm the ordered firmware/register set, conversion, units, temperature basis and acceptance method before using either derived value.
Model-selection reference
Water & Utilities Hardware Catalog
Compare equipment options in this catalog section.
Select Type A, B, C or D from the water chemistry, wetted material, process pressure, temperature, installation connection and required EC range.
Choose the documented range before release. Type A/B/C cover 0-2000 to 0-20000 µS/cm; Type D also provides the reviewed 0-50 and 0-500 µS/cm low-range options.
Use the standard simultaneous 4-20 mA and RS485 Modbus RTU outputs, or deliberately select the separate Type D two-wire 4-20 mA configuration.
Place the measurement opening where it remains wetted and bubbles do not collect. Confirm immersion depth or NPT3/4 process geometry.
Show 2 more selection checks
Define cleaning access, inspection frequency and the reference solution or comparison method. Deposits, oil, biofilm and scale change the cell response.
Treat EC as the direct measurement. The matching manual documents calculated TDS and salinity data, but the ordered register set, conversion, units, temperature basis and acceptance method must be confirmed before use.
Compatible with
PLC, RTU or analyzer inputs accepting 4-20 mA and RS485 Modbus RTU
Immersion brackets or NPT3/4 process connections selected for the probe family
Water-quality controllers and telemetry gateways using the reviewed register map
Freshwater, wastewater or process installations whose material, pressure and temperature limits match the selected type
Typical package
Type A, B, C or D conductivity probe selected for medium, range, pressure and temperature
Reviewed 5 m default cable or a project-specific cable length
Optional 1 m immersion bracket or matching NPT3/4 process hardware
Compatible PLC, RTU, analyzer or gateway with analog and/or RS485 input
Cleaning, calibration and acceptance-reading plan for the process
Applications
Instruments, enclosure, power and mounting are selected for the actual tank, well, reservoir or pump station.
This probe family measures online electrical conductivity in water and compatible process media. Select Type A, B, C or D from the wetted material, pressure, temperature, connection and range. The standard three- or four-wire configurations provide 4-20 mA and RS485 Modbus RTU simultaneously; the Type D two-wire 4-20 mA option is a separate configuration. Conductivity is the direct measured property. A matching manual documents calculated TDS and salinity data on applicable configurations, but availability, units, conversion and temperature basis must be confirmed before those derived values are used.
Freshwater, aquaculture and surface-water conductivity trend monitoring
Wastewater and process-water monitoring after wetted-material and fouling review
Pipe or tank installations using simultaneous analog and Modbus signals
Higher-temperature or higher-pressure service using the selected Type D configuration
Start with water chemistry, wetted-material compatibility, process pressure, temperature, connection and range. Type A is ABS/graphite to 0.8 MPa, Types B and C are nylon-fibre constructions to 1.0 MPa, and Type D uses 316L/PEEK for the reviewed higher-temperature and 2.0 MPa service.
Are 4-20 mA and RS485 Modbus RTU available at the same time?
Yes on the reviewed standard three- or four-wire configurations. Type D also has a separate two-wire 4-20 mA option with a 22-28 VDC supply requirement, so the wiring version is fixed in the quotation.
Which conductivity ranges are supported?
Types A, B and C support 0-2000, 0-5000, 0-10000 or 0-20000 µS/cm, with reviewed custom ranges on Type C. Type D supports 0-50, 0-500, 0-10000 or 0-20000 µS/cm. Accuracy is ±1% FS and resolution is 0.01 mS/cm.
Does this sensor provide TDS or salinity values?
The direct measurement is electrical conductivity. A matching manual documents calculated TDS and salinity data on applicable configurations, but the ordered firmware/register set, units, conversion, temperature basis and comparison method must be confirmed before those derived values are used.
What installation and maintenance details should be provided?
Provide immersion or pipe geometry, NPT3/4 connection needs, pressure, temperature, cable length, flow, bubble risk, likely deposits and cleaning access. Include the calibration or comparison method and the receiving PLC, RTU or analyzer.
What should I provide when requesting a quote for the Water Conductivity (EC) Sensor?
Water or process medium, expected normal / upset conductivity and units; Required Type A / B / C / D material, range, pressure and temperature; Immersion depth or NPT3/4 process connection, flow and bubble risk; Simultaneous 4-20 mA / RS485 or Type D two-wire output, receiving PLC / RTU / analyzer and supply
Where can I compare available model options?
Open the Water & Utilities Hardware Catalog linked on this page. Use it to compare equipment options before requesting a configuration.
Will it work with my existing system?
Compatibility is reviewed against your field signals, protocols and upstream platform. Typical pairings include PLC, RTU or analyzer inputs accepting 4-20 mA and RS485 Modbus RTU, Immersion brackets or NPT3/4 process connections selected for the probe family, Water-quality controllers and telemetry gateways using the reviewed register map.
Product-family reference. Final ordered model and specifications are confirmed in the written quotation.
