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REVERSE PENDULUM (Reverse plumb line)

 VPR-60
 
Dam deflection measuring apparatus


This apparatus is used to measure the horizontal displacement of the foundation from the relative deformation amount of the dam bottom and foundation baserock for the purpose of safe administration of a dam after completion.

Displacement of X, Y and Z is outputted by 4 - 20 mA.
Monitoring of output by control data processing apparatus is possible.
Calibration is done easily by a special calibrator.
Specifications
Power supply AC100V(100VA)
Transducing method X. Y: Image processing, Z: Laser range finder
Measuring point 3 points of X.Y.Z.
Measuring range X,Y:Z:60mm
Measuring accuracy ±1%
Resolution 0.03mm
Output 4 - 20 mA DC (permissible load resistance 500Ω or less)
External dimensions of the measuring apparatus body W750D750H1600
External dimensions of the control box W400D500H200
External dimensions
of the oil tank
ø650H285
Accessories XY calibrator: 1 unit, Z calibrator: 1 unit
Voltage converter
Power supply AC100V(100VA)
Number of circuits 3 circuits
Input-input impedance 4 - 20mA/250Ω (7 P connectors)
Output 1 - 5V (7 P connectors)
Adjustment range Adjustment from the front panel, Zero: -5 to 5%, Span 95 to 105%
Check terminal Check by the terminal base of the back panel.
External dimensions W480D312H199
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