Hello Marc,
The MPXx5004 family have a pressure range from 0 to 3.92kPa and not suitable for negative pressure readings as per the sensor can get damaged.
If you need to measure negative values of -2kPa or higher, we recommend the vacuum sensors below:
- MPXV7002 family with a pressure range of -2 to 2kPa
- MPXV7007DP differential and gauge pressure sensor with a pressure range of -7 to 7 kPa
- MPXV70025DP differential and gauge pressure sensor with a pressure range of -25 to 25kPa
I hope this information can be helpful.
Have a great day,
Paulina
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