some brief about Anti Power theft alarm
it will help for govt same time user also,
Power transformer anti-theft alarm system
Features
it is suitable for 10KV power distribution network transformer and transmission lines, municipal lamp of security line,
can monitor the three-phase distribution voltage-absent alarm and phase operation,
configuration octuple cable input alarm (can use shaking or transformer winding etc. Various sensors)
can have three short messages and three voice dialing alarming number, can use ordinary mobile sources, but also through artificial sources to recieve alarm.
Electronic map shows, with a strong network alarm functions,
can set parameters through wireless digital keyboard in local or remote host by telephone sets,
can set the time of reporting system on time in everyday by yourself;
Painted aluminum casting totally-sealing shell, waterproof properties is good, suitable for outdoor installation,
the system have interruption of power supply protection function, when working power were damaged or because other reasons, the power to work remains to backup power, it will automatically be charging,
when the back-up battery voltage is low tension ,can use message to alarm.
Technical indicators
method of communication: industrial 900/1800MHz GSM module
warning method: the GSM Chinese text messages and voice dialing
alarm response time: less than 8 seconds (GSM network signal normal)
stand by power:less than 0.6 W
siren volume： more than 110 decibels
network connection mode: Y shape, three-phase four-wire system
The rated operating voltage： AC220V
Single-phase minimum work voltage ：AC110V
Single-phase the highest voltage ： AC270V
insurance tube maximum capacity: 3A
backup battery: DC12V / 1.2 AH (lead-acid battery)
DC12V / 1AH nimh batteries (optional)
voltag of Warning battery: DC10.5 V battery voltage
Battery that automatically closed voltage
C10V
preventing electromagnetic interference: IEC55022
insulation class: B level
protective level: IP55
working environment: temperature - 10 ° ~ + 55 deg c
Humidity:More than 95% without condensation.
apperance:the aluminum casting, seal
size:220×150×105（mm）
A ruler inch: 22 x 150 x 105 (mm)
info refered by
http://imexbbpower-transformer-anti-thef...650453.htm
