Handheld appts. for densitometric and colorimetric reflectometry

摘要

The housing (1) of the appts. carries a measuring head (2) and an electronic computer input system (6) with one or more click buttons (5). On the outside a readily accessible trackball (4) or a rocking switch is provided which is capable of being tilted in any direction. A socket (8) connected to the computer input system is linked to an electronic interface (7) for data transmission to a computer. A display panel (3) is mounted on top of the appts. with keys (9) for the measuring equipment.