In order for bluebot to measure flow properly, it must be tightly clamped to the pipe. The clamp on bluebot was designed to do this. The key is to assure the sensor pads, which are slightly sticky, are firmly pressed against a clean pipe. A good strong press once clamped on is all that is needed.
If you would like to speak to a member of the bluebot team, simply navigate to Settings > Support from within the app and choose your preferred method of communication. Otherwise, you can email firstname.lastname@example.org