Additel ADT 686 Advanced Digital Pressure Gauges, with wireless remote connectivity, microprocessor technology, state of-the-art silicon pressure sensors and optional onboard storage capacity, these attractive and fully temperature compensated gauges will provide the performance, durability and reliability you’ve come to expect from genuine Additel products. The all new modern menu structure and control interface bring a new and refreshing experience to pressure calibration work – a completely new way of interfacing with the ADT686 makes it a real pleasure to use.