Humidity Probe (SpyderWeb Series)

Spyder Robotics offers this optional humidity probe, an accessory made specifically for the Herpstat SpyderWeb series of thermostats. Its 12-foot long cable is used to measure the humidity in your tank.  The cable is 12 feet long. Measures the humidity in your tank. Compatible with SpyderWeb series of Herpstats (see below). Can be used as a supplemental humidity probe or a replacement. This humidity probe is compatible with the SpyderWeb series units and standard models that have the following firmware version: All Herpstat 1 SpyderWeb All Herpstat 2 SpyderWeb All Herpstat 4 SpyderWeb Herpstat 1 (firmware 5.2 or greater) Herpstat 2 (firmware 5.1 output #1 only, 5.2 or greater works on both outputs.) Note: Redline 1/2 models flashed to firmware 5.2 or greater to work with this new humidity probe will deactivate the red led glow system. Herpstat 4 (firmware 5.0 or greater) Herpstat 6 (firmware 5.0 or greater) Note: To check firmware version on unit unplug it for ten seconds and plug