Some of the early production units were shipped with address 0x00, which means they will resond to every request on the bus. Later ones are address 0x27.
We did some code GitHub - AmphenolAdvancedSensors/Novasensor at NPA-201
posted on github to change this.
The sensor address is paged, so only cchange once, and you will need control of the power line to get the sensor into command mode. And remember, it is 3.3V device, it really doesn't like 5V as I've found more than once when I forgot. Unlike some of our other sensors which are resilient.
Regards.