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PATROL – 201/PET/ 

 

PASSIVE INFRARED 

OPTOELECTRONIC 

INTRUSION DETECTOR  

WITH PET IMMUNITY  

UP TO 20 KG

 

 

INSTALLATION  

AND USER MANUAL 

 

 

 

 

 
 

www.gsncompany.com 

 

G.S.N. Electronic Company Ltd. 

 

Special features. 

 

 

 Hi – tech design 

 

 

 Automatic pulse count 

 

 Animal’s weight regulator  

 

 Optoelectronic switch relay 

 

 Hi-light immunity –  

    no less then 10000 Lux 

 

 Hermetically insulated  

    pyrosensor 

 

 Low temperature mode 

 

    of working

 

 

 Automatic temperature 

    compensation 

 

 High RFI & EMI immunity. 

 

 

Description. 

 

«PATROL-201/PET/» – passive 
infrared detector with dual element  
pyrosensor, was designed for  
use in electronic alarm and  
security systems

.

 

 

The detector is insensible to

 

animals with weight up to  
20 kg and height up to 1 meter. 

 

 

The usage of “Fresnel Technologies” 
company’s original, optical,  
lightproof lens, has allowed to  
create the detector, which is 
protected from false alarms,  
caused by a sunlight. 

 

 

 

 

Selecting mounting location. 

 

Choose a location where  
the detector will have a best view 
angle of the most possible intrusion 
sight. To gain maximum protection 
zone, it is recommended to place  
a detector on 

2.1 

meter height 

 

Attention! 

 

Avoid the following locations: 

 

 

Areas with rapid temperature 

changes. 

 

Areas with strong air flows 

 

On unstable or vibrating 

surface. 

 

Detector performance improves,  
if it's located in thermo stable and  
dynamically constant environment.

 

 

Mounting the detector. 

 

1. To remove the front cover, push 
the lower part of the case with a flat 
screwdriver 

 

2. Loosen the screw that holds  
the PCB and move it, down to  
the keyhole. Remove the PCB from 
the plastic case. 

 

3. Detector can be placed vertically 
or at a small angle (up to 10°). 

 

  

-  For vertical mount use the holes 
on the front side of the back cover. 

 

 -  Use a bracket for mounting the 
detector at an angle.  

 

4. For wires connection use  
the specially signed holes on  
the plastic case of the detector. 

 

5. Mount the back cover of  
the detector to the wall. 

 

6. Place the PCB back in the cover 
and fix the correct position  
with a screw. 

 

7. Connect the wires according to  
the scheme. 

 

+ 12V 

-

    TAMPER    RELAY

 

 

 

 

 

8. For vertical mount place  
the PCB in the 

"A"

 position. 

 

9. For mounting on a bracket  
place the PCB in the 

"B"

 position. 

 

10. Close the detector’s cover  
and fasten the screw.

 

 

Pulse count.

 

 

«PATROL-201/PET/» -automatically 
chooses and counts the levels of  
the entering impulses, according  
to the strength of the signals acting  
on the detector. 

 
 
 
 
 

 

Animal’s weight regulator. 

 

The given regulator adjusts  
the detector to the weight of  
the animal. 

 

 

 

               

20kg

15kg

10kg

5kg

 

 

Led indicator. 

 

        

OFF

ON

JP 2

LED

OFF

ON

JP 2

LED

 

 

Jumper's

 "ON" 

position – LED is 

activated and will light on in case  
of intrusion. 

 

Jumper's 

"OFF"

 position – LED is  

turned off.

 

 

 

 

 
 
 

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