The ornamental design for a rootcanalmeter, as shown and described.
1. Root canal meter
1.1 : Front
1.2 : Back
1.3 : Top
1.4 : Bottom
1.5 : Right
1.6 : Left
1.7 : Front perspective view 1
1.8 : Front perspective view 2
1.9 : Back perspective view 1
1.10 : Back perspective view 2
1.11 : Perspective view shown in an environment of use
1.12 : Perspective view shown in another environment of use
The article is equipment for measuring and displaying a root canal length of a tooth during root canal treatment which is a type of dental treatment methods; reproduction 1.12 shows the state in which the high-frequency treatment module is attached to the article, and the high-frequency treatment module is shown by means of broken lines and forms no part of the claimed design; the parts shown by means of broken lines in the reproductions are not part of the claimed design; the parts having oblique parallel lines in the reproductions 1.11 are transparent; the oblique parallel lines depict environment and form no part of the claim.