The Fluke 9040 is effective for measuring phase rotation in all areas where three phase supplies are used to feed motors, drives and electrical systems. It allows rapid determination of phase sequence and ideally suited ...
A2000-ET Sound & Light Alarm Hygro-thermometer เครื่องวัดอุณหภูมิและความชื้น alarming thermo-hygrometer measures temperature and humidity with various levels of high precisions and sound&light alarming capability. Large ...