© Measurand 2008

Above, Left: SAA on reel, with stainless braid over-covering; inset shows snug fit of joint in 27mm (1") transparent casing, when axial compression is applied.

Middle: SAA being inserted into 27mm (1" 'Trade' dimension) casing (PVC electrical conduit).

Right: Earth Station with antenna and solar panel (Cabinet also contains non-Measurand equipment).

Left: PODs for monitoring civil structures.

Center: FAA for shallow soils and smaller scales.

Right: Some components of an Earth Station.

Clockwise from Upper Left: Retaining wall at San Diego site (courtesy CALTRANS), Borehole near retaining wall (Courtesy CALTRANS), Electrical conduit, San Diego (Courtesy CALTRANS), SAA being inserted in 27 mm (1" 'Trade' dimension) PVC in Minnesota (Courtesy MNDOT), Horizontal installation under abutment in New York for monitoring settlement (Courtesy NYSDOT).

Above, Clockwise from Upper Left: 3D colored surface view in SAA3D Viewer, Excerpt from report on long-term stability of 1.5 mm (0.006"), based on wireless field data, and Alarm panel from SAA3D software.

Above, Left: SAAR Installation at Shaker Table, Japan (Courtesy NIED Earthquake Research Institute).

Right: SAAR Installation in Shaker Table, New York (Courtesy NEES U. At Buffalo).

Above: SAA can be bent 45 degrees at joints. Standard segment lengths include 305 mm (1') and 500 mm (19.6"). Each segment has multiple MEMS gravity and vibration sensors; every eighth segment also contains a microprocessor and temperature sensor.

Above, Left: 3D View of multiple SAARs in SAARecorder.

Right: Fourier Transform view of vibration spectrum in SAARecorder.

Above: Geotechnical Elevation for site with three SAAFs in Minnesota.

Above, Clockwise from Bottom, Left: SAA at construction site in Toronto,(Courtesy Monir), SAA in NY State (Courtesny NYSDOT), SAA at construction site in Massachusetts, Horizontal and Vertical SAAs at Ijkdijk project in Netherlands (Courtesy Deltares), FAA for volcanic-soil  monitoring in Japan.

Installation and Device Images