# hx710b air pressure (0-40kpa) sensor module

i m using a pressure sensor purchase from amazon.co.in

HX710B AIR PRESSURE (0-40KPA) SENSOR MODULE

what is meaning of one reading: -0.1 | average: -0.1

also what is the unit of pressure?

code used from this wesite
https://www.electroschematics.com/pressure-sensor-guide/

reading: HX710B Demo with HX711 Library
Initializing the scale
Before setting up the scale:
read: 1994116
read average: 1993976
get value: 1993847.00
get units: 1993831.0
After setting up the scale:
read: 1993845
read average: 1993843
get value: -76.00
get units: -0.1
Readings:
one reading: -0.1 | average: -0.1
one reading: 0.0 | average: 0.0
one reading: 0.1 | average: 0.1
one reading: 0.1 | average: 0.1
one reading: 0.1 | average: 0.1
one reading: 0.1 | average: 0.1
one reading: 0.1 | average: 0.1
one reading: 0.1 | average: 0.1

Post code, not pictures of code.

The SI unit of pressure is the Pascal - the clue is in " (0-40kPa) sensor module"