... delivery 5 touch-screen controller Touch-screen temperature and humidity testing machine Features:Graceful appearance, circularly shaped body, surface treated with mist ... C:-20°C D:-40°C E:-50°C F:-60°C G:-Humidity range20%~98%R.H.(10%-98%R ... switch, fuses, failure warning system accessoriesRecorder (optional), watching window, 50mm testing hole, PL internal bulbs,partition plate, dry and wet ball ...