Highlights

• Works in conjunction with Celestron’s Smart DewHeater Controllers to allow “smart” control of third-party dew heaters
• Regulates heating bands or straps to conserve power by only delivering enough heat to the optics to prevent dew
• Sealed tip positioned under the heating band or strap provides accurate temperature readings

Take the guesswork out ofusing third-partyheating bandsor strapsand increase your power efficiencywiththe Celestron Thermistor for Smart DewHeater Controllers. This accessory allows theSmart DewHeater Controller(sold separately) to deliverjust the right amountwarmth forto yourtelescope‘s correctorto prevent dew without wasting battery. 6′ cable length accommodates a wide variety of configurations.

How it works

Connecttheheating band toyourtelescope and place the Thermistor’s sealedprobetip under the heating band.Plugeach cable intoitscorresponding port of the Smart DewHeater Controller.

NOTE:This thermistor is not required if you are using a Celestron Dew Heater Ringbecausethe ring alreadycontainsa built-in thermistor.

Enhance your setup

We also recommend adding a dew shield to your setup. While not mandatory, a shield will cut down on the amount of power the your dew heater needs to keep the optics clear.