Yes, this is possible. The meter is compatible with Schrader (Auto) and Presta valves.

The Topeak SmartGauge D2 is suitable for checking tyre pressure, including tubeless tyres, due to its high accuracy and ability to measure pressures up to 17 bar or 250 psi. This digital pressure gauge can be used for various types of tyres, making it also compatible with racing bikes that use tubless systems.

probably not, as the paddle does not have one of the two valves Presta or Schrader (car valve or thin tyre valve). Paddles normally have completely different valves.

Bar and PSI