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Zorn ZFG 3.1 Light Weight Deflectometer for Soils Testing (GPS optional)
Description
NEW LOWER PRICE – Still the Lowest Priced LWD in North America
Application ASTM E2835-11
The Zorn ZFG 3.1 is a dynamic plate bearing test system for measuring the bearing capacity (deflection & modulus) of subgrade/subsoils and unbound base layers. It is highly portable and easily carried around a construction site. The Zorn ZFG 3.1 provides a simple, cost effective answer to time consuming and expensive static plate load tests. The optional printer gives hard copy results in the field.
The Zorn ZFG 3.1 Light Weight Deflectometer includes:
- 300 mm loading plate
- Data Collector calculates & saves deflection measurements & calculates dynamic Modulus
- Power supply unit
- 10 kg drop weight
- PC Software for report writing
- Print out from SD card with optional printer
- SD card for data transfer to PC
- Hand held instrument control
- Aluminum case comes with optional printer
CALIBRATION
Calibration ensures the precise and correct functioning of the Light Weight Deflectometer. In addition, the standard-compliant construction and the function of all components from mechanics to measurement technology to the storage of the measurement data on their desired storage medium are checked and adjusted if necessary.
After successful calibration, a sticker with the stated validity of the calibration of one year is affixed to the load plate and drop weight.
How a calibration works as well as further details on the necessity can be found in the video next to the text.
Maryland SHA has just completed a research project FHWA Transportation Pooled Funding Study TPF 5-285 titled “Standardizing Lightweight Deflectometer Modulus Measurements for Compaction Quality Assurance.” Its final report and two-page summary have been posted on the Research Division’s website.
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