HX710B Air Pressure (0-40KPA) Sensor Module
This HX710B air pressure sensor module uses a high-precision AD sampling chip, adopts a 0-40KPa air pressure sensor, can connect a 2.5mm hose, can detect water level, and other air pressure. Featured by Sharvi Electronics This air pressure module uses a high-precision AD sampling chip, adopts a 0-40KPa air pressure sensor, can connect 2.5mm hose, can detect water level and other air pressure, voltage 3.3V-5V, compact size, using 5k resistance bridge above The sensor, the specific pressure value needs to be calculated by ourselves.
 
Features/Specs:
Model: HX710B
Interface Type: Serial
Data Output Rate: 10 SPS/80SPS
Operating Current:1.5mA
Operating Temperature Range: -40 to 85°C
Gain: 32/64/128
Two Selectable Differential Input Channels.
On-Chip Active Low Noise PGA.
Selectable Gain of 32,64 and 128.
On-Chip Power Supply Regulator For Load Cell and ADC Analog Power Supply.
On-Chip Power-ON-Reset
Simple Digital Control And Serial Interface.
Voltage: 3.3-5V
Pressure: 0-40KPa
This module adopts high precision AD sampling chip and 0-40KPa air pressure sensor. And it can connect 2.5mm soft tube and detect the water level and other air pressure
Adopt 5K ohm resistor bridge sensor, and specific air pressure value needs calculating.
 
Resources: 
1. Datasheet/Guide
2. Interfacing HX710 Differential ADC with Arduino