Although Teledyne manufactures over 160 sensor
more popular versions for diving are the K-1D
(See note below), R17D, and, the
An overview of
their full range of diving sensors
are listed here.
The differences I'm aware of between the
and the R22D
are that the R22D comes with gold plated contacts and three pin Molex
connectors while the R17D comes with nickel
plated contacts and a mono-plug connector.
NOTE: It should be noted at this date,
3/05, that the the K-1D is available
although I noticed that only the K1 is listed in the above
documentation and that currently there is not technical PFD file
available. The difference between the K-1 and K-1D being that the
has a hydrophobic membrane.