Using an adapter plate, you can install an
Indigo500 transmitter to replace a Vaisala 330 Series Transmitter in the exact same
Attach the adapter plate to the mounting holes using 4 screws and 4 wall plugs.
Open the 2 hex screws on the cover of the transmitter using a 4-mm Allen key.
Open the transmitter cover.
Attach the transmitter to the adapter plate using 2 × 14-mm screws and a 5-mm Allen
key. Place nylon washers under the screws to protect the surface of the transmitter.