... prompt delivery 5 touch-screen controller Touch-screen temperature and humidity testing machine Features:Graceful appearance, circularly shaped body, ... °C;±3.0%R.H.Control Accuracy/Temperature stabicity of Temperature and Humidity±0.3°C;±2.5% ... -humidity and over-temperature protection switch, fuses, failure warning system accessoriesRecorder (optional), watching window, 50mm testing hole, PL internal ...