Sensors and Monitors for a Rover

Hi,

Looking for some help to find few monitors and sensors for a Rover project.

  1. Has any one used this type of liquid flow sensor?

Gravity: G1/2” Liquid Flow Sensor - DFRobot.

Thinking of using this to monitor pesticide use.

  1. My Rover Drive System uses a 48V Battery and then I use Buck converters to reduce voltage down to 24V, 12V and 5V for various electronic products used in the Rover.

As the main battery source is 48V, trying to figure out the best way to monitor the 48V voltage and current remotely inside mission planner. Any suggestions?

May be used Mauch power module? are there any other alternatives?

Thanks for your help.