These new steel tipped probes are epoxy sealed to increase water resistance. The steel tip also transfers temperature change faster which can be beneficial in setups where the probe is monitoring air temp like incubators.
12ft length.
This style temperature probe will work with:
Herpstat 1 Basic
Herpstat 1
Herpstat 2
Herpstat 4
Herpstat 6
Herpstat HP
Any Redline model
Also works with the following discontinued models:
Herpstat Intro or Intro+
Herpstat ND
Herpstat II
Herpstat Pro
Original model Herpstats with a serial number of 50102600 or greater.