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Consultation Hotline:
Address: No. 336, Heping Avenue, Wuchang District, Wuhan City
Message InquirypH Sensor for Surface Water, Drinking Water, and Wastewater Treatment
Technical Features:
● An internationally advanced annular large-cross-section Teflon diaphragm is adopted, ensuring a stable liquid junction for the Sensor.
● Strong anti-interference capability, resistant to fouling and clogging, and long service life.
● The reference system is filled with a polymeric polymer, making it easy to use and eliminating the need to replenish the electrolyte.
● The Sensor responds quickly (it can reach 95% of the measured value in a few seconds).
● The Sensor is suitable for various highly polluted media and can prevent S 2- , NH 4+ , CN - Interference
● Measurement range: 0–14 pH; temperature: 0–110°C
● Withstand voltage: 0.6 MPa; Zero potential: E 0 =7 pH
● Temperature-compensating resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, etc.
ASPSA3121 Series
As shown in the figure:
● 3/4 NPT threaded connection for secure and reliable sealing
● Can be installed in a flow-through or submerged configuration
● The sensor is with fixed cable, the length can be customized according to user requirements
● Measurement range: 0–14 pH; Zero potential: E 0 =7 pH; Temperature range: 0–110°C
● Pressure resistance: 0.6 MPa
● Dimensions: ∅28×165mm or other dimensions
● Outer tube material: PPS plastic
● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.
Model Selection:
● General wastewater treatment:
PCA2121 Combination Sensor, No Temperature Compensation
ASPSA3121 Combination Sensor with Thermistor (Please specify the temperature resistance value when ordering)
ASPSA3121D Digital Sensor with RS485 Output, No Calibration Required, Plug and Play
● Media containing severe pollutants such as S 2- , NH 4+ , CN - :
PCB2121 Combination Sensor, No Temperature Compensation
ASPSB3121 Combination Sensor with Thermistor (Please specify the temperature resistance value when ordering)
ASPSB3121D Digital Sensor with RS485 Output, No Calibration Required, Plug and Play
ASPSA3151 Series
As shown in the figure:
● 3/4 NPT threaded connection for secure and reliable sealing
● Can be installed in a flow-through or submerged configuration
● The sensor is with VP connector, easy installation and replacement
● Measurement range: 0–14 pH; Zero potential: E 0 =7 pH; Temperature range: 0–110°C
● Pressure resistance: 0.6 MPa
● Dimensions: ∅28×165mm or other dimensions
● Outer tube material: PPS plastic
● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.
Model Selection:
● General wastewater treatment:
ASPSA3151 Combination Sensor with Thermistor (Please specify the temperature resistance value when ordering)
ASPSA3151D Digital Sensor with RS485 Output, No Calibration Required, Plug and Play
● Media containing severe pollutants such as S 2- , NH 4+ , CN - :
ASPSB3151 Combination Sensor with Thermistor (Please specify the temperature resistance value when ordering)
ASPSB3151D Digital Sensor with RS485 Output, No Calibration Required, Plug and Play
ASPSA2801 Series
As shown in the figure:
● The Sensor can be directly matched with various domestic or imported pH meters.
● 3/4 NPT threaded connection for top and bottom mounting, ensuring secure and reliable sealing
● Planar Sensor, Not Easy to Break
● Can be installed in a flow-through or submerged configuration.
● The Sensor comes with a VP connector or a fixed wire, and the wire length can be adjusted according to user requirements.
● Measurement range: 0–14 pH; Zero potential: E 0 =7 pH; Temperature range: 0–110°C
● Pressure resistance: 0.6 MPa
● Dimensions: ∅28×165mm or other dimensions
● Outer tube material: PPS plastic
● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.
Model Selection:
● General wastewater treatment:
ASPSA2801 Dual-composite planar Sensor with fixed wire
ASPSA3801 Three-component planar Sensor with fixed lead wire (please specify the resistance value at the time of ordering)
ASPSA3801D Intelligent Sensor with RS485 Output, No Calibration Required, Plug and Play
ASPSA3851 Three-composite planar Sensor with VP head (please specify the temperature resistance size when ordering)
ASPSA3851D Smart Sensor with RS485 Output, No Calibration Required, Plug and Play
● Contains S 2- , NH 4+ , CN - For highly contaminated media:
ASPSB2801 Dual-composite planar Sensor with fixed lead
ASPSB3801 Three-composite planar Sensor with fixed lead wire (please specify the temperature resistance value when ordering)
ASPSB3801D Intelligent Sensor with RS485 Output, No Calibration Required, Plug and Play
ASPSB3851 Triple-composite Sensor with VP Head (Please specify the temperature resistance size when ordering)
ASPSB3851D Intelligent Sensor with RS485 Output, No Calibration Required, Plug and Play
ASPA3151 Series
As shown in the figure:
● PG13.5 threaded mounting, internationally recognized standard
● VP connector, easy installation and replacement
● Measurement range: 0–14 pH; Zero potential: E 0 =7 pH; Temperature range: 0–110°C
● Pressure resistance: 0.6 MPa
● Dimensions: ∅12×120mm, 225mm, or other sizes
● Outer tube material: glass
● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.
Model Selection:
● General wastewater treatment:
ASPA3151 Combination Sensor with Thermistor (Please specify the temperature resistance value when ordering)
ASPA3151D Digital Sensor with RS485 Output, No Calibration Required, Plug and Play
● Media containing severe pollutants such as S 2- , NH 4+ , CN - :
ASPB3151 Combination Sensor with Thermistor (Please specify the temperature resistance value when ordering)
ASPB3151D Digital Sensor with RS485 Output, No Calibration Required, Plug and Play
ASPA2121 Series
As shown in the figure:
● S8 connector, PG13.5 threaded mounting
● Measurement range: 0–14 pH; Zero potential: E 0 =7 pH; Temperature range: 0–110°C
● Pressure resistance: 0.6 MPa
● Dimensions: ∅12×120mm, 225mm, or other sizes
● Outer tube material: glass
Model Selection:
● General wastewater treatment:
ASPA2121
● Media containing severe pollutants such as S 2- , NH 4+ , CN - :
ASPB2121
ASPA2111 Series
As shown in the figure:
● PG13.5 threaded mounting, internationally recognized standard
● The sensor is with fixed cable, the length can be adjusted according to user requirements
● Measurement range: 0–14 pH; Zero potential: E 0 =7 pH; Temperature range: 0–110°C
● Pressure resistance: 0.6 MPa
● Dimensions: ∅12×120mm, 225mm, or other sizes
● Outer tube material: glass
● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.
Model Selection:
● General wastewater treatment:
ASPA2111 Combination Sensor
ASPA3111 Combination Sensor with Thermistor (Please specify the temperature resistance value when ordering)
ASPA3111D Digital Sensor with RS485 Output, No Calibration Required, Plug and Play
● Media containing severe pollutants such as S 2- , NH 4+ , CN -:
ASPB2111 Combination Sensor
ASPB3111 Combination Sensor with Thermistor (Please specify the temperature resistance value when ordering)
ASPB3111D Digital Sensor with RS485 Output, No Calibration Required, Plug and Play
ASPA2101 Series
As shown in the figure:
● The Sensor is with fixed cable, the length can be adjusted according to user requirements
● Measurement range: 0–14 pH; Zero potential: E 0 =7 pH; Temperature range: 0–110°C
● Pressure resistance: 0.6 MPa
● Dimensions: ∅12×120mm, 225mm, or other sizes
● Outer tube material: glass
● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.
Model Selection:
● General wastewater treatment:
ASPA2101 Dual Composite Sensor
ASPA3101 Triple-composite Sensor (Please specify the temperature resistance value when ordering)
● Contains S 2- , NH 4+ , CN - Media with severe contamination:
ASPB2101 Dual Composite Sensor
ASPB3101 Triple-composite Sensor (Please specify the resistance value at the time of order)
ASPA2181 Series
As shown in the figure:
● S7 connector, easy to install and replace the sensor
● Measurement range: 0–14 pH; Zero potential: E 0 =7 pH; Temperature range: 0–110°C
● Pressure resistance: 0.6 MPa
● Dimensions: ∅12×120mm, 225mm, or other sizes
● Outer tube material: glass
Model Selection:
● General wastewater treatment:
ASPA2181
● Media containing severe pollutants such as S 2- , NH 4+ , CN -:
ASPB2181
National Sales Hotline: 24/7
Address: No. 336, Heping Avenue, Wuchang District, Wuhan City
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