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Vertical Inclinometer

VDIS 500

Long Term Stability

Structural Health Monitoring


These are ideally suited to long-term, precise monitoring of the position of a borehole over its entire length. By making a series of readings over time, it is also possible to monitor the rate of movement.

These are ideally suited to long-term, precise monitoring of the position of a borehole over its entire length. By making a series of readings over time, it is also possible to monitor the rate of movement.

The components of the inclinometer are a plastic casing with four longitudinal grooves cut in the inside wall, and a probe that is lowered down the casing on an electrical cable with graduated depth markings.

The probe contains two mutually aligned accelerometers, to measure the tilt of the probe in mutually perpendicular directions. The probe is also equipped with a pair of wheels that run in the grooves in the casing and maintain the rotational stability of the probe.

Typical applications include:

  • Detecting zones of movement and establish whether movement is constant, accelerating, or responding to remedial measures.
  • Checking that deformations are within design limits, that struts and anchors are performing as expected, and that adjacent buildings are not affected by ground movements.
  • Verifying stability of dams, dam abutments, and upstream slopes during and after impoundment.


Click the link below to download the brochure, for more information about this product contact us.

Download VDIS-500 Catalog (English)


 

Sensor Specification

Applied Sensor

2-Accelerometer

Measuring Range

 ±30° , ±15°

Resolution

0.005 mm / 5m

Rating output

±5.00VDC

Nonlinearity

±0.02% FSR

Repeatability

±0.01% FSR

Temperature coefficient

Less than 0.002% FSR/ ℃

Sensitivity

1.0 ±0.001

Temperature range

-20∼50 ℃

System Specification

Wheel base

500 mm

System accuracy

±2 mm / 25m

Minimum radius curve

R 4.5 m (Data reading)

Dimension

ф27 × 660 mm

Weight

2.0 kg

Material

Special stainless steel

Waterproof

1000 cm H2O (more on request)

Accessories

Aluminum caring case

Control cable

Minimum radius curve

R 120 mm

Out diameter

ф 8mm

Cable

0.35 mm2 × 6C

Material of cable

Polyurethane rubber

Weight

About 8.5kg / 50m

Cable Length

50 to 500 m (On request)