CONRAC is one of the leading manufacturers of displays for demanding industrial applications. The ID-Series of TFT-displays has been specially designed for 24 hour operation in harsh industrial surroundings. The very robust design guarantees reliable and durable operation in extreme conditions regarding temperature, vibration and shock. Furthermore, CONRAC offers a range of TFT-displays for safety relevant applications. These flat panel displays are equipped with a special integrated supervision function called Conrac Dynamic Memory Test (CDMT).