proving ring

proving ring

[′prüv·iŋ ‚riŋ]
(design engineering)
A ring used for calibrating test machines; the diameter of the ring changes when a force is applied along a diameter.
References in periodicals archive ?
Tenders are invited for Supply of digital proving ring
Typical examples are mechanical systems, such as the micrometer screw and precisely machined contact points that are integrated within proving ring transducers, and electrical voltage-ratio measuring instruments supplied by customers for connection to strain gauge load cells.
Temperature: 1450C, Proving Ring 200 ton, Standard Flow table test apparatus for testing workability of fresh concrete,
Tenders are invited for Calibration Of Proving Ring And Load Cell
Tenders are invited for Direct Shear Apparatus Having Proving Ring System Of 10Kn
Limited Tenders are invited for Supply Of Digital Proving Ring
Tenders are invited for Proving Ring Capacity 50Kn/5T With Calibrated Dial Gauge For Erc Mk-Iii-For Dial Gauge:-Accuracy 0.
Tenders are invited for Plunger Dial Gauge For 50 Kn Proving Ring Reading 0.
Tenders are invited for Compression Type Proving Ring Of 10 Tonne Capacity Duly Calibrated With Traceable To Nabl.
Tenders are invited for Tensile Testing Machine 2500N Capacity With Grips And Proving Rings.
Tenders are invited for supply of Sand formers-50mm and 70mm size Software,Triaxial Cells-50 mm & 70 mm diameter,Dial gauges and proving rings
compaction apparatus , Proving rings , Glass ware, Auto level and staff , Rapid moisture meter , Post Hole Auger with extensions, Measuring tape, spatula, glassware, porcelain dish, pestle mortar, Standard Proctor Density Test Apparatus with rammer, Electronic/digital balance 1 kg with the least count of 0.