Marmitek GB843 ユーザーズマニュアル

ページ / 32
GB843 
SAFETY WARNINGS 
• To prevent short circuits, this product should only be used inside and only in 
dry spaces. Do not expose the components to rain or moisture. Do not use the 
product close to a bath, swimming pool etc. 
• Do not expose the components of your systems to extremely high 
temperatures or bright light sources. 
• In case of improper usage or if you have altered and repaired the product 
yourself, all guarantees expire. Marmitek does not accept responsibility in the 
case of improper usage of the product or when the product is used for purposes 
other than specified. Marmitek does not accept responsibility for additional 
damage other than covered by the legal product responsibility. 
• This product is not a toy. Keep out of reach of children. 
• Keep batteries out of the reach of children. Dispose of batteries as chemical 
waste. Never use old and new batteries or different types of batteries together. 
Remove the batteries when you are not using the system for a longer period of 
time. Check the polarity (+/-) of the batteries when inserting them in the product. 
Wrong positioning can cause an explosion. 
• Automatic switching devices provide comfort, but can also be dangerous. They 
can surprise people or can ignite clothing hanging over an electric heat source. 
Please be careful and take appropriate measures to avoid accidents. 
 
GLASS BREAK SENSOR (GB843) 
The GB843 is an intelligent acoustic glass break sensor with an incorporated 
wireless transmitter. 
 
MOUNTING CONSIDERATIONS 
The GB843 acoustic sensor is 
omni-directional, providing 
360º coverage. The coverage 
is measured from the sensor to 
the point on the glass farthest 
from the sensor. The sensor 
can be mounted as close as 
1m from the glass. 
 
Sensor range: 
x  If mounting on the ceiling, the opposite wall or adjoining walls, the 
maximum range is 6m for plate, tempered, laminated and wired glass. 
For armor-coated glass, the maximum range is 3.65m. 
Minimum recommended glass size: 
0.3m x 0.6m 
Glass thickness:  
Plate: 2.4mm to 6.4mm 
Tempered: 3.2mm to 6.4mm 
x Wired: 
6.4mm 
Laminated: 3.2mm to 6.4mm 
Figure B.6: Acoustic Sensor Range Measurement  
(plate, tempered, laminated and wired glass)