Advices for qualities and approval marks which should be fulfilled by an effective and high-quality anti marten device. Please, Compare the qualities of the devices you want to shop, before you decide.
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(1) The approval mark „e1“ is assigned by the vehicle Federal Office. The devices are checked by certified laboratory, the manufacturers or distributors are also certified to ISO and are controlled annually by the representative of the vehicle Federal Office.
(2) The devices must have a very low power consumption, so that with longer put down cars the battery does not become empty. Our devices have an extremely low power consumption. The M100N needs on average <2 mA and the device M115N <5 mA. This is less than the selfunloading of a standby auto-accumulator!
(3) Devices with a little higher power consumption should have an automatic disconnection if the battery loses too much capacity with very long durabilities. Our M115N switches off with an accumulator tension of approx. 11.5 V automatically. Most of the time the car can still be launched. If other anti marten devices do not switch off the car cannot be launched any more if the accumulator is empty. Our M100N has such a low power consumption that a disconnection is not necessary.
(4) The best acoustic expulsion of the marten is achieved with an ultrasound approx 20..24kHz. Our devices work with real ultrasound with a maximum power output of approx.> 100dB.
(5) Ultrasonic tones spread out like a light beam, that means straight as the light of a flashlight. High quality anti marten devices use ultrasonic calotte tweeter with a hemispherical-shaped membrane. This has the advantage that the ultrasonic clay not only forwards, but also radiates to the sides.
(6) Self-control: Good anti marten devices have a built-in self-control. The marten defence M100N has a permanent selfcheck built in. The light-emitting diode is only blinking when the loudspeaker is working. At the M115N the high voltage is controlled constantly on the contact plates. If the high voltage is disconnected the LED is not nighting up. By our controlling lights you have a reliable announcement that the marten's protection is still active. Though many devices from other manufacturers also have LED displays, however, these work regardless of the function of the devices. That means the LED's can still light up if the devices do not function at all (loudspeaker does not work, no high voltage). Then you have no control if your marten's protection still works.
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