An Extensometer is a geotechnical monitoring instrument that is designed to help civil engineers and geologists in the measurement of the deformation of the rock mass and adjacent or surrounding soil.
Encardio Rite, the world’s leading manufacturer and supplier of geotechnical instruments deal with Electrical, Magnetic, Digital, as well as, Mechanical Extensometers.
The advantages and impeccable features of Encardio Rite’s extensometers make them one of the best in the industry. These are:
EMA-11 measuring anchor, also known as rock bolt extensometer, is used to determine load exerted on rock bolts. It is a precision instrument designed to evaluate anchor system forces and their distribution within the length of the bolt and hence its safety and effectiveness.
The EDS-91 measures settlement or heave in foundations, embankments, fills, excavations etc. This magnetic settlement recorder is accurate, robust, lightweight and convenient to use.
The system consists of an access tube, magnet assemblies and a portable magnetic probe with a reed switch.
Model EDS-63U/D is a mechanical multipoint borehole extensometer that is economical, reliable and preferred to use at locations where access to the mouth of the borehole is easily available. The reading is taken manually with a micrometre depth gauge.
EDS-64U-D is a single point borehole extensometer that is preferred to use at locations where access to the mouth of the borehole is easily available. This borehole extensometer is suitable for a 50 mm borehole.
The Encardio Rite model EDS-71V/EDS-71M single point borehole extensometer is a precision instrument designed to help civil engineers and geologists in the measurement of deformation of rock mass and adjacent or surrounding soil. Together with anchor bolt load cells, it is essential equipment for investigation and monitoring of foundations, slopes & embankments and for studying the behaviour of rock around underground cavities, tunnels and mines.
EDS-70V/EDS-70P Borehole extensometer measures extension that takes place with the time in a bored hole or several bored holes in a rock mass. Together with anchor bolt load cell and tape extensometer, it is essential equipment for investigation & monitoring of foundations, slopes & embankments and for studying the behaviour of rock around underground cavities, tunnels and mines.
The EDS-92 soil extensometer is used for monitoring displacement between two surfaces that may shift with respect to each other. It is widely used for monitoring soil and rock movement in embankments and dams. The system contains a specially mounted model EDE-VXX vibrating wire displacement sensor, installed inside the protective tubing, fixed between two anchor beams with connecting rods.
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Rock Bolt Extensometer
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