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 ...
AE-700 Surface Resistance MeterAE-700 is an ultra wide-range, battery operated, portable instrument for measuring surface resistivity of virtually and flat surface
conforming to ASTM D-257 standard by using recommended ...