CALIBRATION OF ELECTRONIC WEIGHING EQUIPMENT

Standard calibration of weighing equipment (covered by accreditation) is estimating the terror of the weighing equipment in maximally 5 measuring points and the terror of eccentricity. Additionally, it is possible to perform the dispersion of the readings for 50 % load and 100 % load and evaluation for compatibility with regulations included in Decree of Ministry of Economy, Work and Social Policy" from 3rd of October 200, on requirements which go for non-automatic weighing equipment (Dz. U. Nr 183, poz.1791), Norm PN EN 45501:1999 "Metrological Requirements for Non-automatic Weighing Equipment " and Directive of European Council 90/384/EEC " Metrological Requirements for Non-automatic Weighing Equipment ".

Full range of calibration of weighing equipment is presented on below table:

Measuring tool:	Measuring range	Best measuring possibility
1. Non-automatic electronic weighing equipment:
a) analytical balances	from 1 mg to 400 g	0,6 d
b) laboratory, technical and industrial scales and balances	from 1 mg to 3000 kg	0,6 d
b) laboratory, technical and industrial scales and balances	from 1kg to 60 000 kg	0,1 d gdy d 0,5 e
c) weighbridges*		0,1 d
2. Electronic, dynamic checkweighers*	from 1 g to 50 kg	static - 0,6 d
2. Electronic, dynamic checkweighers*	from 1 g to 50 kg	dynamic - 1 d

*) no accreditation.

d - reading unit
e - verifying unit

See:
- example of results from calibration certificate

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