Is the Pulse Meter water resistant or waterproof?

The Bluelab Pulse Meter is water resistant.

This means it will has been designed with greenhouse and open field in mind so it will not be damaged in rain, under sprinklers, if dropped in a puddle and quickly picked up, or washing under a normal tap. Any high pressure washing or submerging of the Pulse in solution is not covered under warranty and may damage the unit.