Decagon MPS-6 Water Potential Sensor

I have a couple of these.

It seems Decagon was bought and the product renamed to TEROS 21.

mps-6_manual.pdf

https://edaphic.com.au/wp-content/uploads/2020/03/TEROS21_Manual_January-2019.pdf

• Shield / Bare: Ground
• White: Power, 3.6V to 15V
• Red: Signal

• Serial (UART) or SDI-12.
• 1200 baud, 8N1.
• 0 - 3.6V levels, active low
• Sends a reading automatically ~40mS after power applied.

Data format: <water potential in kilopascals> <temperature in C>\r