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Hochspannungsplättchen, die im Motorraum des 
Autos an bissgefährdete Stellen montiert werden.  
High-voltage contact plates which are installed in the 
motor room at bite endangered places. 

 

Schalter am Armaturenbrett 
(Nur auf Wunsch, liegt nicht bei) 
Switch at the instrument panel  
(Only when desired, not included)

 

Autoakku 12 V= 
Car accumulator 12 V= 

 

Schalter Motorhaube 
(Nur auf Wunsch, liegt nicht bei) 
Switch engine hood (Only when desired, 
not included) 
 
 

Masse (Fahrzeugchassis) 
Mass (car chassis) 

 

08018OM 

Masse (Fahrzeugchassis), das Kabel mit Öse  

Mass (vehicle chassis), the cable with the eye  

Klemme 15 / terminal 15 

 

Sicherung 0,5 A / Fuse 0,5 A 

 

Use as directed: 

To chase away martens and other wild animals from the engine compartment of vehicles by means of electric shock and aggressive and pulsating ultrasonic frequencies.   

Disposal: 

This device may not be disposed of with the household waste. It has to be delivered to collecting points where television sets, computers, etc. are collected and disposed of (please ask your 

local authority or municipal authorities for these collecting points for electronic waste).  

Assembly instructions: 

Please take the fuse of the device out of the fuse holder during assembly. The basic instrument has to be mounted at a dry spot in the car where it will not get too hot (not directly near to 

the exhaust manifold or other especially hot places) and from where the ultrasonic sounds may spread well in the engine compartment. The positive cable with built-in fuse holder has to be 

connected to "+ 12 V". The earth cable is to be connected with the vehicle earth or "- 12 V". The cable towards terminal 15 should be connected to terminal 15 of the electrical system. This 

terminal can usually either be found at the ignition lock or at the Euro plug of the car radio. If the cable "terminal 15" is properly connected, the marten defence is only switched on if the 

motor is not running (the car is being parked).  If you cannot find terminal 15, please choose another contact at the ignition lock which is switched to „negative“ when the car is being parked 

and is switched to „positive“ when the motor is running. The connection of the cable "to terminal 15" ensures that the marten defence is only switched on when the car is being parked 

(there is no risk that the marten will get into the car when the car is running). 

Note:

 

If you do not connect the cable at the module "to terminal 15" at all, the marten defence is switched on constantly.  

Ultrasonic sounds spread as light, there are „shadows“ behind obstacles  (no ultrasonic sounds). That’s why the loudspeaker in the device should radiate to the spots which are at risk of 

being bitten (within the cone of radiation of  approx. 150 degrees). 

The high-voltage cable has to be laid in the engine compartment in such a manner that the contact plates can be mounted at spots which are at risk of being bitten. The high-voltage cable 

should not directly run along very hot parts of the motor (e.g. exhaust manifold) (the cable insulation might melt).  

The high-voltage plates are either fixed with a screw in the engine compartment of the car or with binders at the cable harnesses or tubes of the car.  

Important: The high-voltage contact plates have to be mounted in such a manner that the bare contact plates are > 10 mm away from other alive contacts in the car. Furthermore, the bare 

contact surface of the contact plates should neither touch any other parts of the car (risk of short circuits). Explanation: Plastics (e.g. tubes) consisting of an electrically conductive plastic are 

often used in cars for shielding reasons. These plastics would then short-circuit the high-voltage of the contact plates against earth. When fixing the small contact plates with a metal screw, 

please make sure that the screw head does not touch the high-voltage metallic surface on the contact plates (risk of short circuit).  

It is also important that the contact plates will not get wet. A water film between the vehicle earth and contact plates will also cause a short-circuit.  

Please stick the enclosed yellow warning sticker “Attention! High-Voltage!” in a well visible place close to the high-voltage plates (e.g. on the air filter). 

Setting into operation: 

The fuse that was removed from the fuse holder before assembly is mounted again. If everything has been properly connected and the vehicle is in parking position, the high-voltage at the 

contact plates builds up and the small light-emitting diode at the module starts flashing (approx. every 5...12 sec.) When setting into operation for the first time, it may take up to 5 minutes 

until the LED starts flashing after switching on.  

Check list for trouble shooting: 

1) Measuring again: is the operating voltage 12 V (DC voltage, car battery) between the conne 12 V and earth (- 12 V)? 

2) Measuring again: isn’t there either any voltage against earth or is there a connection to earth (negative) at the cable to terminal 15? The device will not work if there is a positive voltage 

(measured against vehicle earth) at the cable to terminal 15. 

3) The contact plates must be mounted freely and may not have any connection with other parts of the vehicle (risk of short circuits).  

Warning concerning maintenance work: 

After disconnecting the device, the high-voltage may still be present at the contact plates for max. 3 min. The built-in charging capacitor needs this time to discharge. Before carrying out any 

maintenance work, please wait for this time after disconnecting (remove the fuse).   

If you don’t want to wait, you may induce a short circuit after disconnecting through a short term cable coupling (approx. 1...3 sec.) between one of the high-voltage plates and the vehicle 

earth which discharges the high-voltage charging capacitor immediately and makes the plates voltage-free. 

The high-voltage is not dangerous to men (merely a very weak current flows). If, however, one is very jumpy or particularly at risk of going into shock, there is a certain risk.  

General information: 

Before installing the marten defence, please clean the engine compartment of your vehicle as well as the paving where you park your car regularly (e.g. carport) thoroughly. Martens mark 

their territory with scent marks and may get very aggressive if they smell scent marks from another marten in their territory.  

Our marten defences with high-voltage contact plates and aggressive ultrasonic sounds are very effective for beating back martens. Nevertheless, we do not guarantee that the martens will 

actually be chased away in 100 % of all cases! 

Technical data: 

Operating voltage: 12...15 V= (car battery) 
Average power consumption: < 5 mA 
Automatic shutoff: if the battery voltage decreases to < 11.5 V (± 5 %)  
Output voltage: approx. 200...300 V = 
Ultrasonic frequency: approx. 22 kHz ± 10 % 
Acoustic pressure: max. approx. 100 dB ± 15 % 
Angle of radiation ultrasonics: approx. 150 degree 
Loudspeaker: special ceramic piezoelectric loudspeaker with spherical membrane of aluminium 
Temperature range: approx. - 40...+ 80 degree C 
Functional display: flashing LED (approx. every 5...12 sec.) 
Dimensions basic instrument: approx. 46 x 73 x 145 mm (H x W x D) 
Cable length high-voltage cable: 2 x approx. 1.9 m (± 10 %) 
Fuse in the fuse holder: 500 mA  
High-voltage contact plates: 6 pieces, approx. 40 x 40 x 1.5 mm each 
Cable for terminal 15: If this cable is connected with „positive“, the marten defence disconnects. The marten defence switches on if it is connected with negative or does not receive any signal. 

Kemo Germany # 08-018 / M115N / KV030 mit Aufkleber 

Ser.-Nr.: 08018OM / E.-Nr.: e1  034071 

http://www.kemo-electronic.eu 

P:Module/M115N/M115N-08-018/OM 

2/4 

GB 

Summary of Contents for Marten Defence

Page 1: ...abel zu Klemme 15 eine Plusspannung gegen Fahrzeugmasse gemessen liegt 3 Die Kontaktplatten müssen frei montiert sein und dürfen keine Verbindung zu anderen Fahrzeugteilen haben Kurzschlussgefahr Gefahrenhinweis bei Wartungsarbeiten Nach dem Abschalten des Gerätes kann die Hochspannung noch max 3 Min an den Kon taktplatten vorhanden sein Diese Zeit braucht der eingebaute Ladekondensator für die En...

Page 2: ...When fixing the small contact plates with a metal screw please make sure that the screw head does not touch the high voltage metallic surface on the contact plates risk of short circuit It is also important that the contact plates will not get wet A water film between the vehicle earth and contact plates will also cause a short circuit Please stick the enclosed yellow warning sticker Attention Hig...

Page 3: ...partition équilibrée des ultrasons dans le compartiment moteur Le câble positif connecté au porte fusible doit être relié à la borne positive 12 V le câble de mise à la masse est quant à lui relié à la masse du véhicule ou à la borne négative 12 V Le câble prévu à cet effet doit être relié à la borne 15 du réseau électrique de votre véhicule Cette borne se situe en général sur la prise de contact ...

Page 4: ...e akumulatora spadnie poniżej 11 5 V 5 Napięcie wyjściowe ok 200 300 V Częstotliwość ultradźwięków ok 22 kHz 10 Ciśnienie akustyczne maks ok 100 dB 15 Kąt rozchodzenia się ultradźwięków ok 150 stopni Głośnik specjalny ceramiczny głośnik piezoelektryczny z aluminiową kulistą membraną Zakres temperatur ok 40 80 0 C Wskaźnik optyczny funkcji migająca dioda LED co około 5 12 sekund Wymiary urządzenia ...

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