summary
SC3 Type a crack monitoring and early warning instrument is specially designed for wall cracks、Monitoring and early warning instrument for surface cracks， Ultra low power design， The built-in battery can work independently for a long time。A long way to go，Free setting of warning value。 Live voice broadcast，Real time data display。 a large capacity memory、High precision real time clock，It can store massive historical data，Support the attendance record of inspectors。 Built in horn with adjustable power， Support local direct early warning，With audio output interface，External power amplifier can be connected。Built in radio frequency，It can drive the wireless alarm within several kilometers、Complete wireless data download、Data collection and wireless remote transmission to data center，Support single point installation and multi-point early warning strategy。 Extensible human detection function, intelligent perception of human entry and display of real-time data、Broadcast danger voice prompt。 Support dual axis tilt function expansion，It is used to monitor the settlement of inclined wall or surface cracks。SC3 Low power consumption and maintenance free、Small size, easy to install、Various functions、Unattended and many other characteristics，It can be widely used in group measurement and prevention of geological disasters、Professional monitoring、Public safety warning tips、Geotechnical engineering safety monitoring and other fields。
Product matching：
Main equipment*1（Including data line、power cord）
Fixed head、Install the bolts*1set
Main characteristics：
Dimensions： 120mm*65mm*48mm（ long*wide*thick） Protection level： IP64、 IP66 Power Supply： Two sections AA Battery（ 5 No. 2 battery） ， ≥2 year Lithium battery（ 1 Festival or 2 section） ， ≥5 year
Due to transportation reasons, the battery will not be shipped power waste： Standby：lower than 3uA，lower than 5uA（With wireless wake-up function） Real time data display：lower than 20mA early warning： 300mA range： 20mm/50mm/100mm/200mm accuracy： 0.1% Early warning mode： （Intermittent warning） Equipment self warning（ After the detection of human body） External power amplifier warning Wireless warning for several kilometers Ultra long range mobile network warning（Mobile terminal or data center） data storage ： 8M storage space ，Can store no less than25 Ten thousand historical data，Support wireless data download、number Data download of word interface。 Real time clock： 3ppm，The annual maximum timing error shall not exceed2 minute（It can be modified wirelessly） Warning volume： Optional 1W~3W Sound source： 105 Decibels~111 Decibels distance 1 rice： 87 Decibels~93 Decibels working temperature ： -40~85℃
application area
Group measurement and prevention of geological disasters
Professional monitoring of geological hazards
Safety warning in dangerous area
Structural crack monitoring and prediction（bridge、dam、Slope protection, etc）
Deformation data recorder
Early warning of illegal intrusion
