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Humboldt Proving Ring Cone Penetrometer with Probe and extension- Used

Humboldt Proving Ring Cone Penetrometer with Probe and extension- Used Archived listing photo
Starting price (see what it sold for on eBay ↗) $400.00 Buy It Now $560.00 as of Jun 29, 2026
Auction ended Final result not shown
Closed Sat · Jul 4, 2026
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Past Other Test Meters & Detectors auctions
Condition Used
Condition tiers New Used Refurbished Damaged Unspecified
Ships from ZIP 577**
srtechnician 445 ratings · 100.00% positive
Seller

Description

From the seller
Cone probe, lightly used. PRODUCT INFO. Cone Point: A 30° cone (1 sq. in.). penetrates the soil to quantify resistance. Correlation with Other Tests: It allows users to estimate California Bearing Ratio (CBR) values and correlate findings with standard laboratory or field compaction tests.

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