Bosch ISN-SM-80 User Manual

Page of 4
 
Intrusion Alarm Systems | ISN-SM Seismic Detectors
ISN-SM Seismic Detectors
 
www.boschsecurity.com
 
 
 
 
 
 
 
 
u
24-hour surveillance of vault walls and doors, safes,
night safes, and automatic teller machines
u
Sensitivity settings using DIP switches
u
SENSTEC
®
 sensor and signal processing system
based on microcontrollers
u
Low-profile design
The following models belong to the ISN-SM series
seismic detectors:
Model
Features
ISN-SM-50
• 4 m operating radius on concrete
• 50 m
2
 monitoring area
ISN-SM-80
• 5 m operating radius on concrete
• 80 m
2
 monitoring area
Each seismic detector monitors objects and surfaces,
has a low-profile design, and can be installed
effortlessly, even in tight spaces. ISN-SM seismic
detectors are designed to monitor safes, night safes,
and automatic teller machines.
System overview
When cutting and drilling through materials such as
concrete, steel, or synthetic reinforcements,
deviations from the structures' normal vibration
pattern ensue. The SENSTEC sensor converts vibration
deviations into electrical signals. The digital
processing in the seismic detector analyzes the signals
and compares them to a frequency range typical of
tools used to break into safes, night safes etc. If the
signals fall within this frequency range, the seismic
detector transmits an alarm via a relay contact.
Functions
Detection
The seismic detector recognizes vibrations caused by
explosives and tools such as diamond-tipped drills,
mechanical and hydraulic rams, flame cutters, thermal
lances, or water jet cutters.
The SENSTEC sensor and the digital signal processing
monitor a narrow frequency range, thus offering
reliable detection. The seismic detector tolerates
environmental conditions such as air movement and
noise.
Sensitivity settings using DIP switches
The sensitivity settings are selected using DIP switch
settings. Select the appropriate sensitivity setting for
the application, the material, and the object, as well as
any interference present. The following settings are
available:
• Steel, 2.0 m
• Steel, 2.5 m
• Concrete, 4.0 m
• User mode, with SensTool