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Conductivity Sensors in Ballast Water Treatment
Conductivity Sensors in Ballast Water Treatment
In the measurement of salt water, conductivity is a key parameter for quantifying the salinity of the water. Salinity, similar to total dissolved solids (TDS), validates the expected salts present in the water. Applicable to rules and regulations, during ballast water treatment ships may intake and exchange water with varying levels of salinity. Having an awareness of the conductivity allows operators to manage exchange methods that ensure protection of the water environment where ballast water is released. When chlorine is generated by electrolysis, the ballast water is conditioned to kill unwanted organisms. Understanding the conductivity (salinity or TDS), is important to know for performance, power, and treatment adjustments. AlpHa has conductivity sensor solutions uniquely tailored to ballast water treatment systems, including continuous (process) monitoring sensors and laboratory/field electrodes.
Conductivity Sensor Capabilities
- Full Range: 0.055 µS/cm to 1,000 mS/cm
- Temperature Range: -5 to 200°C
- Custom Mechanical Assemblies Available
- Warranty: 12 Months
Configuration Options
- Technology
- Contacting
- 2 Cell
- 4 Cell
- 3 Cell
- Inductive
- Toroidal
- Contacting
- Cell Constant (K value) for Contacting
- 0.01
- 0.1
- 0.3
- 0.45
- 1
- 10
- Custom Options Available
- Form Factor
- 12 mm / 16 mm (lab / field style)
- Process Body
- Contacting
- Toroidal
- Cartridge
- Custom Options Available
- Housing Material Options
- Glass
- Metal
- Stainless Steel
- Other Metals Available
- PVC / CPVC
- Ryton® (PPS)
- ABS
- Epoxy
- Kynar® (PVDF)
- Polyethylene
- PEEK
- Teflon™ (PTFE)
- Ultem® (PEI)
- Thermistor Options
- PT100 (type A & B)
- PT1000
- 10 kohm
- 30 kohm
- 100 kohm
- Any commercially available thermistors and custom options
- Common temperature accuracy is ±0.3°C and can vary based on thermistor option chosen
- Conductivity Sensor Shape
- Plate
- Pin / Pad
- Band
- Bullseye
- Rod / Tube
- Custom Options Available
- Conductivity Sensor Material
- Platinum
- Graphite / Carbon
- Stainless Steel
- Titanium
- Custom Options Available
- Integrated Insertions
- 3/4" NPT
- 1" NPT
- 1/2" NPT
- PG 13.5
- Custom Options Available
Communication and Connection Options
- Analog
- 4 – 20 mA
- 0 – 5 V
- 0 – 10 V
- Siemens / Ohms
- Custom Options Available
- Digital
- RS-485 MODBUS RTU
- Custom Options Available
- Connectors
- Integrated Connectors (detachable or cableless)
- Variopin
- 4 / 6 Military (F4 / F6)
- BNC
- S7
- S8
- Custom Options Available
- Connectors with Cables (including temperature)
- BNC
- DIN
- MOLEX
- Tinned Leads
- Mil-spec
- 2.5 mm / 3.5 mm phono
- RCA
- Spade Lugs
- LEMO
- Circular Connectors
- Any commercially available connectors and custom options
- Integrated Connectors (detachable or cableless)
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