GF 3-9900.392 Signet Wall Mount Accessory Kit - The Wall Mount Accessory is a compact enclosure that works with the Signet 9900 Transmitter as well as other 1/4 DIN size instruments including the Signet 8900 Controller, ProcessPro and ProPoint instruments. It is equipped with a 1/4 DIN cutout at the front for the instrument (sold separately) and two 1/2" holes at the base for the conduit and sensor wiring. Mounting hardware and liquid tight connectors are included for a quick and easy installation.