Personal meter timing device

摘要: A portable timing device designed for use in conjunction with metered machinery, the contained within a compact case clip on back side, allowing to be fastened an article of clothing or like. The further includes means store and dispense plurality coins meter, external actuation by which appropriate time interval is programmed. An electrical circuit enclosed case, powered rechargeable battery connected solar energy collection recharging it. programs times selected interval, emits audible warning signal when ten minutes, five minutes no remains interval.