Air Data Tester
PS131b - Aircraft Development Industries cc (ADI)
The Model PS131b is identical to the PS131bII except that it is housed in a 19 inch U2 rack mount enclosure. This is suitable for equipment racks in a workshop environment. Like the PS131bII it is an advanced Air Data - Pitot Static Tester, which is a completely digital, microprocessor-controlled device using all solid state transducers and components.