# Bar02 wrong reading

**URL:** <https://discuss.bluerobotics.com/t/bar02-wrong-reading/7133>\
**Category:** Blue Robotics Products\
**Created:** [March 31, 2020, 2:59pm UTC](https://discuss.bluerobotics.com/t/bar02-wrong-reading/7133 "2020-03-31T14:59:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![MalisC](https://avatars.discourse-cdn.com/v4/letter/m/71e660/32.png) [@MalisC](https://discuss.bluerobotics.com/u/MalisC)\
**Post date:** [March 31, 2020, 2:59pm UTC](https://discuss.bluerobotics.com/t/bar02-wrong-reading/7133/1 "2020-03-31T14:59:41Z")

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Hi,  
EDIT:  
I received a bar30 that’s why. problem solved.

Just got a bar02 sensor, and testing it with my arduino using this sketch [Guide to Using the Bar02 with an Arduino](https://bluerobotics.com/learn/guide-to-using-the-bar02-with-an-arduino/)  
I get the following readings in the air, and the same in the water.  
(Please not that I didn’t connect a level shifter, but used the 3.3V Vcc pin to power the sensor).

Pressure: 49.00 mbar  
Temperature: 29.71 deg C  
Depth: -9.86 m  
Altitude: 19410.15 m above mean sea level  
Pressure: 49.00 mbar  
Temperature: 29.71 deg C  
Depth: -9.86 m  
Altitude: 19410.15 m above mean sea level  
Pressure: 49.00 mbar  
Temperature: 29.72 deg C  
Depth: -9.86 m  
Altitude: 19410.15 m above mean sea level  
Pressure: 49.00 mbar  
Temperature: 29.71 deg C  
Depth: -9.86 m  
Altitude: 19410.15 m above mean sea level

Does that makes sense?

Best regards,

Malis