MODEL 6180 VERTICAL IN-PLACE INCLINOMETER SYSTEM
| INTRODUCTION |
1
1.
INTRODUCTION
The
GEOKON
Model 6180 Vertical In-Place Inclinometer (IPI) System enables
long-term monitoring of deformations in structures such as dams,
embankments, foundation walls, and similar applications. The basic principle of
operation uses MEMS accelerometers to measure static tilt at specified depths
in a casing installed in the structure being studied. The instrument is designed to
be installed in standard grooved inclinometer casing, which is installed in the
borehole. Monitoring by the instrument allows for very precise measurement of
changes in the borehole profile.
Each sensor is comprised of an addressable Micro-Electro-Mechanical Systems
(MEMS) device inside a sealed stainless steel housing. The device measures the
"A" and "B" axes of the borehole. Each sensor also contains a digital temperature
sensor for reading temperatures.
The sensors are mechanically joined with quick-connect ball joints, which allow
for unimpeded relative movement between sensors and accommodate any
spiraling of the casing. Electrically, sensors are connected to each other with
four-wire bus cable and molded waterproof connectors.
Each sensor is individually serialized and calibrated. A calibration sheet for each
sensor is provided, showing the relationship between sensor output and
inclination.
Data is collected by connecting the IPI string to a readout device (PC,
datalogger, SCADA system, etc.) via a customer-specified readout cable.
