... materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron, nodular cast iron and other ... (UM-4)batteryBattery indicator: low battery indicatorOperating conditions:0-+40°C(32°F-104°F),≤90%RHDimensions: 152x65x27mmweight: 185g(not including ...