12 years instrument development manufacturer.

  • Products Details

Since established, Shenzhen Wanyi Technology Co., Ltd. has placed a great deal of emphasis on new product development.Negative oxygen ion detector, radiation detector, nuclear radiation sensor probe, online water quality monitoring system, water quality monitoring sensor, gas detector, outdoor air quality monitoring system, which is recently developed by us, will be officially sold at very competitive prices. High-end technologies are used to manufacture KNF-102HA water salinity sensor.The product can play out its greatest effect in the field(s) of Other Test Instruments. Guided by market forces,Shenzhen Wanyi Technology Co., Ltd. will use a comprehensive range of measures to enhance our strength. For example, we will invest heavily in the R&D project and keep developing new products so as to lead the market trend.

Warranty:1 yearCustomized support:OEM, ODM, OBM
Place of Origin:ShenzhenBrand Name:KAINAFU
Measuring range:0-100.00pptResolution:0.01ppt
temperature range:0-60.0℃Temperature resolution:0.1℃
Precision:<1.5% F.S. or 2% of reading, whichever is smallerData compensation:Default 25.0℃ compensation temperature, 2%/℃ adjustable
Data output:RS485 interface*1powered by:12 VDC
Usage:Used for all kinds of water salinity measurementsize:Diameter 25mm*135mm (length)

Product Description

   The salinity digital sensor designed by our company for aquaculture, river sewage, seawater salinity, environmental protection engineering and other industries can be used to measure the change of salinity value in the aqueous system. It has a standard RS485 Modbus RTU protocol interface function and can communicate with the host computer remotely.

KNF-102HA  water salinity sensor

Technical index

Measurement type Salinity in water Measuring range




temperature range


Temperature resolution


sensor type 4-pole sensor
Precision <1.5% F.S. or 2% of reading, whichever is smaller Data compensation Default 25.0℃ compensation temperature, 2%/℃ adjustable
communication method RS485 interface*1 powered by 12 VDC
Protocol Standard MODBUS-RTU protocol Power consumption

30mA @12 VDC

size Diameter 25mm*135mm (length)    


KNF-102HA  water salinity sensorKNF-102HA  water salinity sensorKNF-102HA  water salinity sensorKNF-102HA  water salinity sensorKNF-102HA  water salinity sensor

Packaging & Shipping

 KNF-102HA  water salinity sensorKNF-102HA  water salinity sensor

Company Information

 Shenzhen Kainafu Technology Co., Ltd. is a high-tech and environmentally friendly technology enterprise integrating R&D, sales, after-sales and technical consulting. Composed of 16 senior engineers with many years of market application experience and maintenance experience, Shenzhen Canafor Technology Co., Ltd. has passed ISO9001 and ISO14001 system certification, and has a number of patents such as water quality monitoring cloud platform software and system design.

KNF-102HA  water salinity sensorKNF-102HA  water salinity sensorKNF-102HA  water salinity sensor

Our Services

 * Standardized workshop and calibration process
* Professional quality inspection of 4-12 employees
* Fast delivery, free technical assistance
* Warranty 1 year


What price can I get?

 We usually quote within 12 hours after receiving your inquiry. If you are very anxious to get the price, please let us know in your email so that we can contact and communicate in time.

 How can I get samples to check the quality of your products?

 fter confirming the price, you can request samples to check the quality of our products. As long as you can afford the express freight, we will provide you with samples.

What is your business scope?

 We mainly produce and sell air quality and water quality instruments, such as water quality sensors, water quality online monitoring equipment, air anion detectors, radiation detectors, gas detectors and some of our agents. Welcome to consult

What is your delivery time and warranty period?

Within 5-7 working days after payment is confirmed, customized products need to be discussed in detail, and the warranty period is one year

Basic Information
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Have a professional after-sales team to respond to you 24 hours a day. We are committed to producing the best quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.

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