Petal breakstrength meter overview. (A) The petal breakstrength meter consists of a petal gripper, a sensor, electronic circuit and personal computer. (B) Close up of sensor showing 5 cm aluminum bar attached to sensor cantilever. Petal gripper is attached to the distal end of lever with a piece of braided wire. (C-E) Petal gripper (SMD grabber with 1 mm pieces of 20 gauge insulation glued to tips) in use. (C) Petal gripper is opened. (D) Grabbing onto a flower petal that is still attached to flower. (E) After pulling on the inflorescence, petal detaches from receptacle and remains in the jaws of petal gripper. (F) Assembled electronic circuit housed in an ABS plastic enclosure (lid removed).