pH and ORP Sensors PH4/OR4 Sensor Series

PH4/OR4 Sensor Series allows pH/ORP measurement under severe conditions, such as where the process fluid is heavily contaminated or contains sulfide. PH4/OR4 Sensor Series meets the simple apparatus requirements.

PH4P Polymer Electrolyte pH Sensor
PH4PT Polymer Electrolyte pH Sensor with RTD
 (resistance temperature detector)
OR4P Polymer Electrolyte ORP Sensor
PH4F HF-Resistant pH Sensor
PH4FT HF-Resistant pH Sensor with RTD
 (resistance temperature detector)
PH4C pH sensor for Chemical Process
PH4CT pH sensor for Chemical Process with RTD
 (resistance temperature detector)
OR4C ORP sensor for Chemical Process
PH4FE pH sensor for Fermentation

 

Polymer Electrolyte pH Sensor PH4P

PH4P Polymer Electrolyte pH Sensor 

  • Allows pH measurement under severe conditions, such as where the process fluid is heavily contaminated or contains sulfide.
  • With polymer used as the inner solution, the liquid junction is large (1.0 mm to 1.5 mm), and there are 2 single pores, which prevent clogging.

 

Specifications

Measuring range pH 2 to 14
Measuring temperature 0 to 110℃
Measuring pressure Atmospheric pressure to 1.6 MPa (Temperature 25℃)
Atmospheric pressure to 600 kPa (Temperature 100℃)
Internal electrolyte Polymer electrolyte including KCl
Resistance temperature detector None (Manual temperature compensation on the converter or transmitter) (Use adapter with temperature sensor SA405 for application where temperature varies)
Liquid junction Aperture form, 2 single pores
Head form S8 (Use cable for S8 or S7)
Wetted part material Body; Glass
O-ring; Fluororubber (FPM) or Perfluoroelastomer (FFKM)
Adapter; Stainless steel (SUS316), Polypropylene or Rigid polyvinyl chloride
Applicable holder Flow-through holder (PH8HF), Submersion holder (PH8HS)(An option adapter is needed, but not needed when using the adapter with temperature sensor SA405). Ultrasonic cleaning is not available. Use a holder with jet cleaning equipment when automatic cleaning is necessary.

Applications

  • the severe environment such as chemistry, the petrochemistry
  • The sugar manufacture, dye, industrial waste water, the paper manufacture
Polymer Electrolyte pH Sensor with RTD PH4PT

PH4PT Polymer Electrolyte pH Sensor with RTD (resistance temperature detector)

  • Allows pH measurement under severe conditions, such as where the process fluid is heavily contaminated or contains sulfide.
  • With polymer used as the inner solution, the liquid junction is large (1.0 mm to 1.5 mm), and there are 2 single pores, which prevent clogging.
  • The sensor signal is stable by the resistance temperature detector.

 

Specifications

Measuring range pH 2 to 14
Measuring temperature 0 to 110℃
Measuring pressure Atmospheric pressure to 1.6 MPa (Temperature 25℃)
Atmospheric pressure to 600 kPa (Temperature 100℃)
Internal electrolyte Polymer electrolyte including KCl
Resistance temperature detector Pt1000
Liquid junction Aperture form, 2 single pores
Head form VP6 (Use cable for VP6)
Wetted part material Body; Glass
O-ring; Fluororubber (FPM) or Perfluoroelastomer (FFKM)
Adapter; Stainless steel (SUS316), Polypropylene or Rigid polyvinyl chloride
Applicable holder Flow-through holder (PH8HF), Submersion holder (PH8HS)(An option adapter is needed). Ultrasonic cleaning is not available. Use a holder with jet cleaning equipment when automatic cleaning is necessary.

Applications

  • the severe environment such as chemistry, the petrochemistry
  • The sugar manufacture, dye, industrial waste water, the paper manufacture
Polymer Electrolyte ORP Sensor OR4P

OR4P Polymer Electrolyte ORP Sensor

  • Allows ORP measurement under severe conditions, such as where the process fluid is heavily contaminated or contains sulfide.
  • With polymer used as the inner solution, the liquid junction is large (1.0 mm to 1.5 mm), and there are 2 single pores, which prevent clogging.

 

Specifications

Measuring range -1500 to 1500 mV
Measuring temperature 0 to 110℃
Measuring pressure Atmospheric pressure to 1.6 MPa (Temperature 25℃)
Atmospheric pressure to 600 kPa (Temperature 100℃)
Internal electrolyte Polymer electrolyte including KCl
Resistance temperature detector None
Liquid junction Aperture form, 2 single pores
Head form S8 (Use cable for S8)
Wetted part material Body; Glass, platinum
O-ring; Fluororubber (FPM)
Adapter; Stainless steel (SUS316), Polypropylene or Rigid polyvinyl chloride
Applicable holder Flow-through holder (PH8HF), Submersion holder (PH8HS)(An option adapter is needed). Ultrasonic cleaning is not available. Use a holder with jet cleaning equipment when automatic cleaning is necessary.

Applications

  • the severe environment such as chemistry, the petrochemistry
  • The sugar manufacture, dye, industrial waste water, the paper manufacture
HF-Resistant pH Sensor PH4F

PH4F HF-Resistant pH Sensor

  • The special sensing membrane allows measurement of solutions or drainage containing hydrofluoric acid.
  • With polymer used as the inner solution, the liquid junction is large (1.0 mm to 1.5 mm), and there are 2 single pores, which prevent clogging.

 

Specifications

Measuring range pH 2 to 11
High limit of HF strength When pH2, maximum 500 ppm
When pH3, maximum 1000 ppm
When pH4, maximum 10000 ppm
When pH5 over, there is no high limit
Measuring temperature 0 to 80℃
Measuring pressure Atmospheric pressure to 1.6 MPa (Temperature 25℃)
Atmospheric pressure to 600 kPa (Temperature 100℃)
Internal electrolyte Polymer electrolyte including KCl
Resistance temperature detector None (Manual temperature compensation on the converter or transmitter) (Use adapter with temperature sensor SA405 for application where temperature varies)
Liquid junction Aperture form, 2 single pores
Head form S8 (Use cable for S8 or S7)
Wetted part material Body; Glass
O-ring; Fluororubber (FPM) or Perfluoroelastomer (FFKM)
Adapter; Stainless steel (SUS316), Polypropylene or Rigid polyvinyl chloride
Applicable holder Flow-through holder (PH8HF), Submersion holder (PH8HS)(An option adapter is needed, but not needed when using the adapter with temperature sensor SA405). Ultrasonic cleaning is not available. Use a holder with jet cleaning equipment when automatic cleaning is necessary.

Applications

  • the severe environment such as chemistry, the petrochemistry
  • The sugar manufacture, dye, industrial waste water, the paper manufacture
  • Solutions, drainage containing hydrofluoric acid
HF-Resistant pH Sensor with RTD PH4FT
 

PH4FT HF-Resistant pH Sensor with RTD (resistance temperature detector)

  • The special sensing membrane allows measurement of solutions or drainage containing hydrofluoric acid.
  • With polymer used as the inner solution, the liquid junction is large (1.0 mm to 1.5 mm), and there are 2 single pores, which prevent clogging.
  • pH sensor with RTD PH4FT is also available.

 

Specifications

Measuring range pH 2 to 11
High limit of HF strength When pH2, maximum 500 ppm
When pH3, maximum 1000 ppm
When pH4, maximum 10000 ppm
When pH5 over, there is no high limit
Measuring temperature 0 to 80℃
Measuring pressure Atmospheric pressure to 1.6 MPa (Temperature 25℃)
Atmospheric pressure to 600 kPa (Temperature 100℃)
Internal electrolyte Polymer electrolyte including KCl
Resistance temperature detector Pt1000
Liquid junction Aperture form, 2 single pores
Head form S8 (Use cable for S8)
Wetted part material Body; Glass
O-ring; Fluororubber (FPM) or Perfluoroelastomer (FFKM)
Adapter; Stainless steel (SUS316), Polypropylene or Rigid polyvinyl chloride
Applicable holder Flow-through holder (PH8HF), Submersion holder (PH8HS)(An option adapter is needed). Ultrasonic cleaning is not available. Use a holder with jet cleaning equipment when automatic cleaning is necessary.

Applications

  • the severe environment such as chemistry, the petrochemistry
  • The sugar manufacture, dye, industrial waste water, the paper manufacture
  • Solutions, drainage containing hydrofluoric acid
pH sensor for Chemical Process PH4C

PH4C pH sensor for Chemical Process

  • Extremely long life span for pH measurement in electrolytic process
  • With the pressurized inner solution, a pressure holder is not needed
  • The reference electrode is composed of silver ion trap which inhibits the generation of sulfide around the ceramic liquid junction.

 

Specifications

Measuring range pH 0 to 14
Measuring temperature 0 to 100℃
Measuring pressure Atmospheric pressure to 250 kPa (Depends on the inner pressure of the sensor)
Internal electrolyte Polymer electrolyte including KCl
Resistance temperature detector None
Liquid junction 1 ceramic junction
Head form S8 (Use cable for S8 or S7)
Wetted part material Body: Glass
O-ring: Ethylene Propylene Diene Rubber(EPDM), Perfluoroelastomer (FFKM)
Adapter; Stainless steel (SUS316), Polypropylene or Rigid polyvinyl chloride, Heat-resistant vinyl chloride or Titanium
Applicable holder Flow-through holder (PH8HF), Submersion holder (PH8HS)(An option adapter is needed, but not needed when using the adapter with temperature sensor SA405). Ultrasonic cleaning is not available. Use a holder with jet cleaning equipment when automatic cleaning is necessary.

Applications

  • Bioreactor, industrial process, down stream process
  • The measurement of soda electrolyte solution, the liquid including the organic solvent

 

PH4CT pH/ORP sensor for Chemical Process with RTD

PH4CT pH sensor for Chemical Process with RTD (resistance temperature detector)

  • Extremely long life span for pH measurement in electrolytic process.
  • With the pressurized inner solution, a pressure holder is not needed.
  • The reference electrode is composed of silver ion trap which inhibits the generation of sulfide around the ceramic liquid junction.
  • The sensor signal is stable by the resistance temperature detector.

 

Specifications

Measuring range pH 0 to 14
Measuring temperature 0 to 100℃
Measuring pressure Atmospheric pressure to 250kPa (Depends on the inner pressure of the sensor)
Internal electrolyte Polymer electrolyte including KCl
Resistance temperature detector Pt1000
Liquid junction 1 ceramic junction
Head form VP6 (Use cable for VP6)
Wetted part material Body: Glass
O-ring: Ethylene Propylene Diene Rubber(EPDM), Perfluoroelastomer (FFKM)
Adapter; Stainless steel (SUS316), Polypropylene or Rigid polyvinyl chloride, Heat-resistant vinyl chloride or titanium
Applicable holder Flow-through holder (PH8HF), Submersion holder (PH8HS)(An option adapter is needed). Ultrasonic cleaning is not available. Use a holder with jet cleaning equipment when automatic cleaning is necessary.

Applications

  • Bioreactor, industrial process, down stream process
  • The measurement of soda electrolyte solution, the liquid including the organic solvent

 

ORP sensor for Chemical Process OR4C

OR4C ORP sensor for Chemical Process

  • Extremely long life span for ORP measurement in electrolytic process
  • With the pressurized inner solution, a pressure holder is not needed
  • The reference electrode is composed of silver ion trap which inhibits the generation of sulfide around the ceramic liquid junction.

 

Specifications

Measuring range -1500 to 1500 mV
Measuring temperature 0 to 100℃
Measuring pressure Atmospheric pressure to 250 kPa (Depends on the inner pressure of the sensor)
Internal electrolyte Polymer electrolyte including KCl
Resistance temperature detector None
Liquid junction 1 ceramic junction
Head form S8 (Use cable for S8 or S7)
Wetted part material Body: Glass, platinum
O-ring: Ethylene Propylene Diene Rubber(EPDM)
Adapter; Stainless steel (SUS316), Polypropylene or Rigid polyvinyl chloride,
Heat-resistant vinyl chloride or titanium
Applicable holder Flow-through holder (PH8HF), Submersion holder (PH8HS)(An option adapter is needed). Ultrasonic cleaning is not available. Use a holder with jet cleaning equipment when automatic cleaning is necessary.

Applications

  • Bioreactor, industrial process, down stream process
  • The measurement of soda electrolyte solution, the liquid including the organic solvent
pH sensor for Fermentation PH4FE

PH4FE pH sensor for Fermentation

  • Inner solution can be refilled.
  • There are 2 pores of ceramic liquid junctions.
  • The reference electrode is composed of silver ion trap which inhibits the generation of sulfide around the ceramic liquid junction.

 

Specifications

Measuring range pH 0 to 12
Measuring temperature 0 to 105℃ (Sterilization temperature: maximum 130℃)
Measuring pressure Atmospheric pressure to 600 kPa
Internal electrolyte Viscous 3 M KCl-LR
Resistance temperature detector None (Manual temperature compensation on the converter or transmitter)
Liquid junction 3 ceramic junctions
Head form S7 (Use cable for S8 or S7)
Wetted part material Body; Glass
Applicable holder PH4FE cannot be used with PH8HF or PH8HS. When a holder is needed, consult sales personnel.

Applications

  • Industrial process, the mining industry, the paper manufacture, fermentation
Overview:

The lifetime of a pH sensor has a significant impact on the overall annual costs of a pH measuring loop. Optimizing four key factors will decrease these costs and optimize process control and overall plant efficiency.

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