Langry
Langry SJY-800B & SJY-1000B Penetration Strength Tester
Nail penetration depth converted to compressive strength. The quick non destructive check on mortar and concrete.

Model SJY-800B / SJY-1000B
Langry SJY-800B & SJY-1000B Penetration Strength Tester
A penetration tester drives a measuring nail into the surface and reads the depth, and the depth correlates to compressive strength through a standardised curve. The SJY-800B is the mortar unit and the SJY-1000B the concrete one, both light enough to work overhead and both with a lever afterburner design that saves the operator's arm.
- Models
- SJY-800B mortar, SJY-1000B concrete
- Nail diameter
- 3.5 mm, and 3.10 mm on the 1000B
- Working stroke
- 20 plus or minus 0.10 mm
- Penetration force
- SJY-800B 800 plus or minus 8 N, SJY-1000B 1000 plus or minus 10 N
- Measuring nail length
- 40 mm, and 35.00 mm on the 1000B
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