About Vicksberg Pentrometer (Proving Ring Type)
Specification:
Consists of a study handle under. Which is fixed a sensitive proving ring. An extension piece is fixed to the bottom of the proving ring and carries a detachable penetration cone at its tip. Proving ring capacity 100 kg (1kn) and 0.002mm dialgauge provided indicates the penetration load applied. An optical viewer is provided to facilitate reading the dial gauge by the operator. Simplified for single person operation. A calibration chart is provided for the proving ring. Instrument is complete in a wooden carrying case.
A Vicksburg penetrometer (proving ring type) hasa proving ring with a 100 kg (1 KN) capacitythat measures the penetration load applied to adetachable cone,indicating soil resistance.Key specifications include a sensitive proving ring, an extension piece with the cone, adial gaugefor readings (often 0.002 mm resolution), a calibration chart for the ring, and a wooden carrying case for transport and storage.
- Sturdy Handle:Provides leverage for pushing the instrument into the soil.
- Proving Ring:A sensitive, calibrated ring that deflects under load.
- Extension Piece:Connects the proving ring to the penetration cone and indicates the load applied.
- Detachable Cone:A standard 30-degree, right circular cone at the tip that penetrates the soil.
- Dial Gauge:A sensitive gauge that indicates the penetration load in units of 0.002 mm.
- Optical Viewer:Aids in reading the dial gauge accurately.
- Wooden Carrying Case:For portability and storage.
- Proving Ring Capacity:Typically 100 kg or 1 KN.
- Dial Gauge Resolution:0.002 mm.
- Cone Details:30-degree right circular cone.
- Operation:Designed for single-person operation and manual input.
- Calibration:A calibration chart is provided to ensure accurate readings from the proving ring.
The Vicksburg penetrometer measures the resistance of soil to penetration, providing a measure known as the "cone index".This helps assess soil strength and consistency.
Reliable Penetration Resistance MeasurementEngineered for accurate soil penetration resistance evaluation, the Vicksberg Pentrometer integrates a high-precision proving ring and dial gauge. The manual operation enables careful control of the test stroke and speed, ensuring consistent and repeatable soil strength data for lab and field environments.
Durable and Portable ConstructionWith its powder-coated mild steel and stainless steel parts, the pentrometer withstands rigorous use. The polished wooden carry case and compact design simplify transport between testing locations, making the equipment well-suited for soil labs, construction sites, and environmental studies.
Calibration and ComplianceEach unit comes with an integrated calibration certificate, confirming accuracy to 0.5% of reading. Compliance with IS: 2720 (Part 16) and ASTM D 1558 ensures reliability and acceptance for professional soil penetration and CBR tests across industry sectors.
FAQ's of Vicksberg Pentrometer (Proving Ring Type):
Q: How does the Vicksberg Pentrometer measure soil penetration resistance?
A: The pentrometer uses a manual penetration plunger and a high-accuracy proving ring, coupled with a dial gauge display. When pressed into a soil specimen, the dial gauge immediately indicates resistance force, allowing precise soil strength evaluation within a range of 0-30 kgf.
Q: What are the standard specimen size and capacity for this pentrometer?
A: The equipment accommodates a single soil specimen per test, measuring 38 mm in diameter and 76 mm in height. The instrument's maximum capacity is 30 kgf, suitable for CBR and similar soil penetration assessments.
Q: Where can the Vicksberg Pentrometer be used?
A: It is designed for use in laboratories, construction sites, and field investigations, thanks to its portable design and bench top mounting. It's a preferred instrument for soil testing professionals in India and internationally.
Q: When is calibration recommended for optimum accuracy?
A: Annual service and calibration are suggested to maintain the device's precision and compliance with IS and ASTM standards. Optional calibration services are available to ensure reliable results over the equipment's service life.
Q: What is the process for conducting a test using this instrument?
A: To perform a test, place the prepared soil specimen in the device, manually control the penetration rate using the handle, and observe the dial gauge for immediate readings. The instrument operates without electricity, relying on manual input and mechanical response.
Q: What benefits does using this pentrometer offer?
A: The pentrometer provides immediate, accurate soil strength readings, valuable for construction and geotechnical analysis. Its robust construction ensures longevity, and its compliance with recognized standards guarantees reliable results for professional applications.