| 1. | Segment timer may use to record pressent year , month , date , display pressent time , and with four - segment alarm function , alarm circlate in the sequence of time from first segment to forth segment alarm point it is display intuitional , clocking accuracy , alarm reliable , with clock keep function while key off function 采用先进的微处理器进行智能控制,主要适用于供热供暖制冷等热能系统中,对热水过热蒸汽饱和蒸汽氯化钙水或其它制热制冷介质中的热能进行高精度的积算与控制。 |