เครื่องวัดความชื้น ไม้ วัสดุก่อสร้าง Moisture Meter MO-210 Bargraph and Digital Display Pocket Moisture Meter Use on wall board, sheet rock, cardboard, plaster, concrete, and mortar Replaceable threaded measurement ...
Built for detecting the presence of all common refrigerants and ideal for use with air-conditioning units and cooling systems, the Extech RD300 is a must-have for any refrigerant application.