The present invention relates to a health-monitoring device for measuring bloodor tissue indicators and a strip cassette suitable for use in connection withthe device. The device comprises a body (6) having a first opening (5) and a secondopening (4), a piercing means (7) having a piercing head and connected to the body,the piercing means being arranged to extend from the first opening of the bodyand being cockable and further releasable for piercing the skin with the piercinghead, and a space (17) arranged in connection with the body, into which space anumber of sensor strips (12) can be arranged so that the strips can be brought outfrom the body one at a time. According to the invention the device comprises a shutter(1) functionally connected to the body, the shutter being arranged to tightlyclose the first and second openings of the body in its first position and whichcan be moved to the second position for allowing one sensor strip to be pushed fromthe first opening of the body into sampling position and for exposing the firstand second openings of the body. With the invention an easy to use, easily portableand small device for repeated measurement of blood indicators can be produced.