PROBLEM TO BE SOLVED: To notify easily and instantly a specific user such as an owner of the intake of ingesta ingested by a pet.SOLUTION: A tableware 2 for a pet has a tableware body for storing ingesta for the pet, and allowing the pet to ingest the ingesta therefrom, a weight detection section 8 for detecting the weight of the ingesta stored in the tableware body, and a beacon device 9. The beacon device 9 includes a processing section 93 for calculating the intake of the ingesta ingested by the pet on the basis of a detected weight by the weight detection section 8, and a transmission section 94 for transmitting a beacon signal including the intake calculated by the processing section 93 and beacon identification information 92a.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】ペットが摂取した飲食物の摂取量を、飼い主等の特定のユーザに、容易にかつ即時に通知できるようにする。【解決手段】ペット用飲食器2は、ペット用の飲食物を収容し、ペットが飲食物を飲食するための飲食器本体と、飲食器本体に収容された飲食物の重量を検知する重量検知部8と、ビーコン装置9とを有する。ビーコン装置9は、重量検知部8の検知重量に基づいてペットが摂取した飲食物の摂取量を算出する処理部93、及び、処理部93が算出した摂取量とビーコン識別情報92aを含んだビーコン信号を送信する送信部94を備える。【選択図】図3