1、 Product Introduction

The HD-SA70 online salinity sensor is a digital salinity sensor specially produced by our company to serve the construction of the Internet of Things in China. This sensor has a protection level of IP68 and uses high-quality cables that can be directly inserted into the tested medium. It can be widely used in various complex working environments such as chemical, metallurgical, pharmaceutical, food, aquaculture, and environmental water treatment.

2、 Functional Features

(1) Seawater/high salinity water/various water supplies/industrial water treatment

(2) Signal output: RS-485 (Modbus/RTU digital signal)

(3) Easy to connect to third-party devices such as PLCs, DCS, industrial control computers, general-purpose controllers, paperless recording instruments, or touch screens.

(4) Immersion installation with 3/4'NPT thread (pipe thread) for easy installation in pipelines and tanks.

(5) IP68 protection level.

3、 Technical parameters

※ Range and Resolution 0~70PSU 0.1

※ Accuracy ± 1.5% F.S

※ Working temperature 0-65 ℃

※ Work pressure ＜ 0.6MPa

※ Power supply 12VDC~24VDC ± 10%

※ Signal output RS-485 (Modbus/RTU)

※ Wetting material ABS (default)/PVDF/PVC (customizable)

※ Installation method: Immersion installation, 3/4 'NPT pipe thread

※ Cable length of 5 meters, other lengths can be customized

※ Temperature compensation automatic temperature compensation (Pt1000)

※ Calibration method two-point calibration

※ Power consumption<0.5W

※ Protection level IP68

4、 External dimensions