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Model EDJ-40C
Crack Meter |
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crack meter
can measure the change in width of a surface crack. It
consists of a graduated scale and a transparent acrylic
plate with a hairline cursor mark. When installed across
crack, the graduated scale and cursor move relative to
each other depending upon crack opening or closing.
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Specifications: |
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Range (mm) |
50, 100 |
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Resolution |
0.5 mm |
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Model EDJ-41M crack meter |
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EDJ-41M is used for monitoring of
cracks, joints and fissures. It consists of two
stainless steel round datum blocks that are installed on
either side of the opening. A digital inside caliper
with a resolution of 0.01 mm is used to measure the
distance between the grooves of the datum blocks.
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Model EDJ-40TJ
Triaxial Crack/Joint Meter |
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EDJ-40TJ used for
surface measurement consists of two-precision machined
elements attached to re-inforced bar anchor stems.
Measurement is made by anchoring the two element on
either side of joint/crack and accurately measuring the
distance between them over period of time with depth
gage of 50 mm range and 0.01 mm resolution.
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Specifications: |
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Range (mm) |
± 15 mm in X,
Y Z direction
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Resolution |
0.01 mm |
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Model EDJ-40V
Crack/Joint Meter |
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This crack/joint meter
is designed for surface installation and consists of
EDE-V05 vibrating wire displacement transducer fixed
between anchors, installed on opposite side of the
crack/joint as shown in figure.
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Specifications: |
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Refer to specifications of EDE-VXX
vibrating wire displacement sensor, for sensor
specifications |
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Model EDJ-50V
Vibrating Wire Joint Meter |
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EDJ-50V measures
movement between concrete blocks in a concrete dam and
is suitable for embedment applications. It consists of a
plastic housing with a stainless steel flange at one end
and a stainless steel socket at another end. A vibrating
wire displacement transducer inside the housing is
connected to the stainless steel flange and socket with
flexible joints to allow small lateral movement.
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Specifications: |
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Range (mm) |
15, 25, 50, specify |
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Accuracy |
0.2 % fs normal
0.1 % fs optional |
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Sensitivity |
0.02 % fs |
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Non-linearity
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1.0
% fs
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Temperature limit |
– 10 to 50° C |
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Model EDJ-40T Triaxial
Joint Meter
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The triaxial joint meters with three
EDE-VXX vibrating wire displacement sensors, flexible
joints and accessories is available for monitoring joint
movements in the X, Y & Z directions. A typical configuration using model EDE-V05 sensor is shown in the
picture.
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Specifications: |
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Refer to EDE-VXX vibrating wire
displacement sensor, for sensor specifications |
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