Patents

IN287136: An automated dead weight force machine useful for calibrating strain gauge load cells

A low cost accurate dead weight force measurement machine capable of calibrating load cells of 2, 5, 10 kN capacity has been developed. The system uses a single central pin passing through the center of the weight each supported on individual support and provided with pneumatic actuators for loading and unloading of these weights. This enables to apply any selected weight to the test load cell irrespective of its position in the weight stack. Further, this provides an almost vibration free system giving stabilization of the machine in the fastest possible time. The calibration of the force transducer can be carried out in compression following any one of the internationally accepted calibration procedure to the highest possible accuracy requirement as per the standard.

Filing Date: 07-12-2006

Issue Date: 06-09-2017

Applicant: CSIR-National Physical Laboratory (CSIR-NPL), New Delhi

Patent No: IN287136

Application No: 2625DEL2006

Inventor(s): Kamlesh Kumar Jain, Hari Nandan Prasad Poddar, Raghunandan Prasad Singhal

IPC Classification: G01B21/00, G01G23/01, G01G3/14

Country: India

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