AlpHa Measurement Solutions |
Oxidation-Reduction Potential (ORP) in Ballast Water Treatment
ORP in Ballast Water Treatment
Ballast water is the most common way for ships to adjust the way the vessel floats and is balanced in transit. The proper treatment of ballast water is critical to safeguard local environments. The purpose of this treatment is to mitigate the introduction of non-native organisms including fish, plant life, and microscopic organisms.
For ballast water treatment, an oxidation-reduction potential (ORP or REDOX) sensor is used to monitor the disinfection process (or reaction) by chlorine or other oxidants still in process. ORP measurements allow adjustments in chlorine production to save power or improve performance. Because ballast water is a closed or controlled system, ORP is a method to employ versus other measurements that may be specific to chlorine.
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For ballast water treatment, an oxidation-reduction potential (ORP or REDOX) sensor is used to monitor the disinfection process (or reaction) by chlorine or other oxidants still in process. ORP measurements allow adjustments in chlorine production to save power or improve performance. Because ballast water is a closed or controlled system, ORP is a method to employ versus other measurements that may be specific to chlorine.
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- Full Range: -1999 to +1999 mV (meter dependent)
- Accuracy: ±0.1 mV (meter dependent)
- Temperature Range: -5 to 135°C
- Warranty: 12 Months
- Form Factor
- 12 mm
- Cartridge
- Process Body
- Custom Options Available
- Housing Material Options
- PVC / CPVC
- Ryton® (PPS)
- ABS
- Epoxy
- Polycarbonate
- Kynar® (PVDF)
- Polyethylene
- PEEK
- Teflon™ (PTFE)
- Ultem® (PEI)
- Glass
- Metal
- Stainless Steel
- Other Metals Available
- Metal
- 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
- Reference System
- Ag / AgCl
- Differential
- Custom Options Available
- Reference Junction Options
- Double Junction
- Single Junction
- Custom Options Available
- Reference Junction Material / Design
- Porous Plastic (PTFE / HDPE / PP)
- Ceramic Pin / Annular / Disc
- Fiber / Pellon
- Sleeve Junction / Free Flow (liquid / liquid or ground glass joint)
- Open Aperture
- Solid State
- Custom Options Available
- Solution Ground
- Integrated in Thermowell
- Integrated in Body Housing
- Stand-alone
- Custom Options Available
- Reference Electrolyte
- Sealed
- Soft Gel
- Solid Gel
- Refillable
- Liquid
- Soft Gel
- Custom Options Available
- Sealed
- ORP Sensor Shape
- Disc
- Single Band
- Double Band
- Pin
- ORP Sensor Material
- Platinum
- Gold
- Silver
- Custom Options Available
- Integrated Insertions
- 3/4" NPT
- 1/2" NPT
- 1" NPT
- PG 13.5
- Custom Options Available
- Analog
- Millivolts
- 4 – 20 mA
- 0 – 5 V
- 0 – 10 V
- Custom Options Available
- Custom options available with preamp capabilities
- Digital
- RS-485 MODBUS RTU
- Custom Options Available
- Connectors
- Integrated Connectors (detachable or cableless)
- S7
- S8
- Integrated BNC
- Variopin
- Custom Options Available
- Connectors with Cables (including temperature)
- BNC
- DIN
- MOLEX
- Mil-spec
- 2.5 mm / 3.5 mm phono
- RCA
- Spade Lugs
- Tinned Leads
- LEMO
- Circular connectors
- Any commercially available connectors and custom options available
- Integrated Connectors (detachable or cableless)
