Patent · US Expired

Weight simulation calibration rig and method

US6278067A · kind A · utility

3Cited by
13References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 18, 1999
Grant dateAug 21, 2001
Priority date
Expiry dateAug 18, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01G23/01
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In a calibration rig for a weighing machine and a method of using the calibration rig, the weighing machine having a load cell including a transducer and headwork connected to the load cell, the calibration rig having a calibration load cell including a low capacity transducer with the excitation voltage and signal connections arranged for connection to the headwork and a potentiometer. The fixed terminations of the potentiometer are connected to respective signal connections and the wiper connection of the potentiometer is connected to one excitation supply terminal via a series resistor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.