Handheld Digital Light Meter LX1330B Illuminance Meter Measuring 200000 Lux, High Accuracy and Rapid Response. The LX1330B can measure from 0 up to 200,000 lux
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 ...