Re:A tool I use in my drybag refrigeration process!

Today I received the model RT817E thermometer/hygrometer that Char-Woody suggested. It came with a 10 foot sensor wire and I wondered whether I needed the wire or could just place the unit in the frig. So I emailed ThermoWorks for advice. You know what? My phone rang in 3 minutes and the gentleman answered my questions but more importantly explained the reasoning for using the sensor wire. The unit itself only has a range of 32 to 122°, but using the wire the range is -58° to 158°. What a great service!