

Description
The EDJ-50V is designed to measure movement between joints of concrete blocks in a concrete dam and is suitable for embedment applications. It consists of a plastic housing with a stainless steel flange on one end and a stainless steel socket on the other. A vibrating wire displacement transducer inside the housing is connected to the stainless steel flange and the socket with flexible joints to allow small lateral movement.
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Instrument Name
Joint meter
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Sensor Type
Vibrating wire
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Construction
Suitable for embedment installation in concrete mass, uniaxial
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Application
To monitor crack or joint opening within concrete mass
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Parameter
Crack/joint
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Range
15, 25, 50 mm; specify
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Key Testing / Calibration
Thermal cycling (-20 to +80°C), Thermal variation data, accuracy test
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Key Feature/Advantage
Useful for installation at inaccessible locations
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Protection (Waterproofing)
IP-68, water resistant up to 40 mwc
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Dimension (mm)
Depends on range
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