SAKATA DENKI
Wireless Sensor
For Geotechnical Engineering
Underground Wireless Communication Technology
Sakata Denki has been developing and selling a wide variety of sensors and monitoring
systems for geotechnical engineering and environmental engineering since 1952.
We have original products using unique new technology.
They are Wireless Sensors with the Underground Wireless Communication Technology.
We will give you high reliability and great convenience.
Sensor
Data Logger
and Battery
Earth Pressure Cell
Antenna
Pressure
Vessel
for Landfill
for borehole
Pore Water
Pressure Cell
for Landfill
for borehole
Settlement meter
Inclinometer
Transmission Unit
Receiver
(Portable type)
Receiving Unit
Subsidence measurement
system of the sea bottom
2-17-20, Yagisawa, Nishitokyo-shi, Tokyo, 202-0022, Japan
Phone: +81(0) 424-64-3711 Fax: +81(0) 424-64-3773
E-Mail: eigyou@sakatadenki.co.jp URL: http://www.sakatadenki.co.jp/
Applications
Dam Monitoring System
Dam Control Office
•Optical fiber
•Mobile phone
•Radio Equipment
Etc.
Receiver
Wireless Sensor
(Settlement meter)
Wireless Sensor
(Pore Water Pressure Cell)
Wireless Sensor
(Earth Pressure Cell)
Inspection Gallery
Receiver
Merit of Wireless Sensors.
• Perfect cut-off of water
• No weak point
• No influence of lightning
• Avoid to missing data due to a cable damage
• Low placement cost
• No cable cost
Photo: Installation of sensor
Settlement Measurement
Transmission Antenna
Controller
Receiving Antenna
Measured Data
Command
Fill
Transmission
Unit
Settlement
Sensor Transmission Receiving
Antenna
Antenna
Settlement plate
Cable
→ Block the dredger passage
→ The cable is broken down
Photo: Installation of sensor
These problems are solved by this system.
2005.09-N0018