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Pulling Test

 

At present, the most accepted method for evaluating the safety and stability of trees is the pulling test. It involves applying a bending load on the trunk via a cable attached to the tree. The method can be used either to assess the uprooting stability of the tree, or to establish the risk of trunk breakage.

 

Remark: there are overlaps among the equipments needed for DynaRoot and Pulling test. If you order both of them at the same time you can ask for a switchable Dual Elastometer Unit and High Precision Inclination and Deformation Recorders.

 

Usage Instruction

  1. Attach the cable to the trunk in the crown of the tree, as high as possible.
  2. Choose an anchor point in the appropriate direction, about 10 to 15 m from the tree.
  3. Set up the winch and ropes according to the guide.
  4. Install the load cell.
  5. Install the inclinometer sensors.
  6. Install the extensiometer sensors.
  7. Connect all sensors to the central unit.
  8. Switch on the units, and press “Tara” on the load cell.
  9. Start the Pulling Test software.
  10. Start measurement by loading the cable slowly and evenly using the winch.


Feature

Feature

Pulling test - inclino

  • Inclinometer (1 or 2 pcs.)
  • Base plate with ball head
  • Battery box, 9V rechargeable battery
  • Battery charger
  • Central unit
  • Force meter and display
  • Serial cables connecting sensors and central unit
  • Software on CD
  • User's manual
  • Pulling device (optional)

Pulling test - elasto (extension package)

  • 2 elastometers in quick mounting house
  • Dual elastometer box
  • Screw and screwdriver
  • Batteries and battery charger
  • Serial cables connecting dual elastometer box and central unit

Spesification

Spesification

Cable and winch

Cable length 20 m

Winch 1.6 or 3.2 metric ton

Load cell

Calibrated yes

Cable-mounted yes

Capacity 5 T

External display Rinstrum

Connection to central unit RS232

Sampling rate 1 Hz

Hex key 6mm

Powered by 4 AA size rechargeable batteries

Inclinometers

Sensor ST-015

Measurement range ±2 degrees

Resolution 0.001 degree

Temperature compensated yes

Sampling rate 10 Hz

Power source 9V battery

Weather proof, IP65 yes, IP65

Extensiometers

Type LVDT

Dimensions 30x30x270 mm

Span 250 mm

Sampling rate 1 Hz

Resolution 0.3 μm

Power source 2 pcs. of 9 V batteries

 

 

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NEWSLETTER

 

TESTIMONIALS

B2TKS

B2TKS
Sangat jarang perusahaan seperti ini di Indonesia!  Mereka terus-menerus mengikuti perkembangan inovasi engineering test & measurement, “nyambung” berdiskusi teknis dan berpengalaman, memiliki visi pengembangan teknologi pengukuran, pengujian, inspeksi dan monitoring.(Dr.-Ing. Ir. May Isnan - NDT Specialist B2TKS-BPPT)

Chevron

Chevron
Tim kerja Alat Uji dapat diandalkan. Sangat bagus dalam implementasi di lapangan. Secara umum kami puas dengan services nya!(Andre - HSE Chevron)

BPPT

BPPT
Saya baru sekali ini bertemu perusahaan engineering yang eksis seperti ini di Indonesia.  Sangat terbantu dengan solusi yang diberikan, sangat memuaskan!(Muksin Saleh, ST., MT - Fuel Conversion and Pollution Control Specialist, B2TE - BPPT)

BALITBANG

BALITBANG
Sistem monitoring yang disuplai oleh Alat Uji adalah yang tertinggi ratingnya sampai dengan saat ini dibandingkan sistem lain yang pernah kami miliki, Dengan sistem monitoring dari Alat Uji, Pengujian kami jadi lebih terkontrol karena ada visualisasi di sistemnya. (Gatot Sukmara - Badan Penelitian dan Pengembangan, Departemen Pekerjaan Umum)

 
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