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Amtek Critter Gitter Technical Information

  • Notes:
    A. When the battery is getting low, the Critter Gitter chirps to let you know it is soon to stop working.
    B. Moisure causes the same chirping. If the device gets wet or if the humidity is high (in the 80% range), the electronics get wet.
    The units can be dried out and they will continue working if they haven't been shorted by the moisture.
    C. Some people have mistakenly thought the Critter Gitter will trigger from leaves blowing in the wind.
    Our tests have not found that to be true BUT, if the Critter Gitter moves, it will trigger. You can verify this by holding it in your hand pointing away from you and it will only take a slight movement of your hand to trigger it. Be sure to mount your units on something solid that cannot move in the wind.

    The Critter Gitter uses 1 - 9 volt battery
  • Recommended battery: 9 volt alkaline
  • Rechargable batteries usually provide less than 9 volts
  • Operating voltage: 17 volts DC to 3.5 volts DC.
  • Higher voltage increases range, sensitivity, and loudness
  • At 3.5 volts the range is about 10 feet, it takes a large body to trigger it, and the volume is very low
  • Normal 9 volt sensitivity range: 40 feet
  • Note1: The test results seen here are from my personal testing and are not factory specifications.
    Note2: when operated over 9 volts, the Critter Gitter may start sound and continue without stopping
    When that occurs, simply turn the Critter Gitter off and back on to allow a normal reset to occur.

    When operated with a battery eliminator, if wired backwards it does not work. If it is wired backwards for a sort time, the device will work when wired properly.

    Click HERE for Battery Eliminator wiring instructions for the Weatherproof Critter Gitter.
    Click HERE for Battery Eliminator wiring instructions for the Weatherproof Critter Gitter Upgrade shell.

    Voltage Regulator
    The voltage regulator is needed for something like a car battery powering the Critter Gitters. It regulates the high current provided by those batteries for normal operation. (Higher voltages are not a problem but high current supplies are).
    Click here for instructions.