Digital Length Comparator This equipment is designed for precise measurement of length variations in cement and mortar specimens of different sizes, commonly used for expansion, shrinkage, and deformation studies. Due to varying specimen lengths, reference rods are not supplied as standard and must be ordered separately. A detailed specification table is available to assist in […]
This equipment is designed for precise measurement of length variations in cement and mortar specimens of different sizes, commonly used for expansion, shrinkage, and deformation studies. Due to varying specimen lengths, reference rods are not supplied as standard and must be ordered separately. A detailed specification table is available to assist in selecting the appropriate reference rods quickly and accurately.
The apparatus features a rigid two-column steel frame that ensures excellent stability during measurements. An adjustable top anvil allows the instrument to accommodate specimens of varying lengths with ease.
A high-precision digital gauge (12.5 mm range × 0.001 mm resolution) provides accurate and repeatable readings. The compact and robust design makes it suitable for routine laboratory use.
Technical Specifications:
Applicable Standards:
ASTM C490, UNI 8147, UNI 8148, UNI 8520:22, UNI 6687, EN 1367-4, EN 12617-4, EN 12808-4, EN 680 ASTM C151

IS, ASTM, ISO, BS & EN compliant instruments. NABL-aligned calibration certificates on request.
Our engineers specify the right instrument for your test standard, lab setup and budget.
Annual maintenance contracts, on-site calibration and installation. Lifetime technical support.
Fast, safe dispatch from our Vasai warehouse. Instruments packed to transit standards.
Vasai-based ISO 9001:2015 certified manufacturer and supplier of precision testing equipment for civil engineering, NDT, pharmaceutical and paper industries. Our instruments are trusted by government testing laboratories, NABL-accredited facilities, infrastructure contractors and research institutions across India. Learn about us →
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