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+86 18062109704

Email: yqzhu@nengshi.com

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Conductivity, TDS, and Salinity Sensor

Technical Features:

● Conductivity Sensor Made of Stainless Steel or Titanium Steel

● Measurement range: 0–2000 mS/cm

● Temperature: 0–150°C

● Pressure range: 1.0 MPa

● Sensor constants of 0.01, 0.1, 1.0, 10, and 25 are optional.

● The Sensor has stable performance and a long service life.

Contact for consultation

ASD Series

As shown in the figure:

● VP connector, making it easy to install and replace the Sensor

● 3/4 NPT or 1/2 NPT threads available

● Temperature compensation resistors: 10 kΩ, PT100, PT1000, 2.252 kΩ, 22 kΩ, etc.

Model Selection:

Model	ASD-0.01	ASD-0.01D	ASD-0.1	ASD-0.1D	ASD-1	ASD-1D
Does it have RS485 output?	No	Yes	No	Yes	No	Yes
Constant	0.01		0.1		1
Conductivity range (μS/cm)	0-20		0-200		0-2000
Temperature (℃)	0–130°C
Pressure (MPa)	1.0
Outer pipe material	Stainless steel
Dimensions (mm)	Φ13x70 or other sizes

ASDS Series

As shown in the figure:

● The Sensor can be directly matched with various domestic or imported conductivity, salinity, or TDS meters.

● Fixed wire connection

● 3/4 NPT or 1/2 NPT threads available

● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.

Model Selection:

Model	ASDS-0.01	ASDS-0.01D	ASDS-0.1	ASDS-0.1D	ASDS-1	ASDS-1D
Does it have RS485 output?	No	Yes	No	Yes	No	Yes
Constant	0.01		0.1		1
Conductivity range (μS/cm)	0-20		0-200		0-2000
Temperature (℃)	0–130°C
Pressure (MPa)	1.0
Outer pipe material	Stainless steel
Dimensions (mm)	Φ13x70 or other sizes

ASDH Series

As shown in the figure:

● The Sensor can be directly matched with various domestic or imported conductivity, salinity, or TDS meters.

● Fixed wire connection

● 3/4 NPT or 1/2 NPT threads available

● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.

Model Selection:

Model	ASDH-0.01	ASDH-0.01D	ASDH-0.1	ASDH-0.1D	ASDH-1	ASDH-1D
Does it have RS485 output?	No	Yes	No	Yes	No	Yes
Parameters	0.01		0.1		1
Conductivity range (μS/cm)	0-20		0-200		0-2000
Temperature (℃)	0–80℃
Pressure (MPa)	1.0
Outer pipe material	Stainless steel
Dimensions (mm)	Φ13×70 or other dimensions

ASDSS Series

As shown in the figure:

● The Sensor can be directly matched with various domestic or imported conductivity, salinity, or TDS meters.

● Fixed wire connection, or VP plug optional

● 3/4 NPT male and female threads

● Measuring elements: graphite, stainless steel

● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.

Model Selection:

Model	ASDSS8077-1	ASDSS8077-1D
Does it have RS485 output?	No	Yes
Constant	1	1
Conductivity measurement range (μS/cm)	0-20000	0-20000
TDS measurement range (mg/L)	100-10,000	100-10,000
Salinity range (ppt)	0-10	0-100
Temperature Range (℃)	0–100°C
Withstand Voltage (MPa)	0.6
Outer pipe material	PPS plastic
Dimensions (mm)	Φ28×165

ASD-25 Series

As shown in the figure:

● The pH and alkalinity concentration Sensor can be directly matched with various domestic or imported pH and alkalinity concentration instruments.

● 3/4 NPT thread, 1 NPT thread, or other threads

● Temperature compensation: PT100, PT1000, 10K, etc.

● Measurement range: 0–500 mS/cm

● Temperature range: 0–80°C; pressure rating: 1.0 MPa

● Outer tube material: PTFE plastic

● Fixed cable or VP connector; wire length as per customer requirements.

Model Selection:

ASD-25 Constant K=25

ASD-50 Constant K=50

ASDGY Series

As shown in the figure:

● Inductive Conductivity Sensor

● The Sensor can be directly matched with various domestic or imported conductivity, salinity, or TDS meters.

● Fixed wire connection

● 3/4 NPT or 1 NPT optional

● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.

Model Selection:

Model	ASDGY-200	ASDGY-500	ASDGY-1000	ASDGY-2000
Conductivity measurement range (mS/cm)	0-200	0-500	0-1000	0-2000
Temperature Range (℃)	0–150°C
Withstand Voltage (MPa)	1.0
Outer pipe material	PP or PFA

Model selection for smart Sensors with RS485:

Model	ASDGY-200D	ASDGY-500D	ASDGY-1000D	ASDGY-2000D
Conductivity measurement range (mS/cm)	0-200	0-500	0-1000	0-2000
Temperature Range (℃)	0–150°C
Withstand Voltage (MPa)	1.0
Appearance and Material	PP or PFA

ASDKG Series

As shown in the figure:

● The Sensor can be directly matched with various domestic or imported conductivity, salinity, or TDS meters.

● Fixed wire connection, or VP plug optional

● Clamp-on conductivity electrode

● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.

Model Selection:

Model	ASDKG-0.01	ASDKG-0.01D	ASDKG-0.1	ASDKG-0.1D	ASDKG-1	ASDKG-1D
Does it have RS485 output?	No	Yes	No	Yes	No	Yes
Constant	0.01		0.1		1
Conductivity range (μS/cm)	0-20		0-200		0-2000
Temperature (℃)	0–130°C
Pressure (MPa)	1.0
Outer pipe material	Stainless steel
Dimensions (mm)	Φ13×70 or other dimensions

ASDS-T Series

As shown in the figure:

● The Sensor can be directly matched with various domestic or imported conductivity, salinity, or TDS meters.

● Fixed wire connection, or VP plug optional

● 3/4 NPT male and female threads

● Titanium steel material

● Temperature compensation resistors: PT100, PT1000, 2.252 kΩ, 10 kΩ, 22 kΩ, etc.

Model Selection:

Model	ASDS-T-0.01	ASDS-T-0.01D	ASDS-T-0.1	ASDS-T-0.1D	ASDS-T-1	ASDS-T-1D
Does it have RS485 output?	No	Yes	No	Yes	No	Yes
Constant	0.01		0.1		1
Conductivity range (μS/cm)	0-20		0-200		0-2000	0-2000
Temperature (℃)	0–130°C
Pressure (MPa)	1.0
Outer pipe material	Stainless steel
Dimensions (mm)	Φ13x70 or other sizes