Precision Weighing Inspection for Equipment Calibration and Accuracy Verification

1.Precision Weighing Inspection is a critical process for evaluating and maintaining the performance of weighing equipment. Unlike standard weighing, this inspection focuses on the systematic verification of

a scale's accuracy, repeatability, and linearity to ensure it meets stringent technical and regulatory standards. This is a fundamental requirement for laboratories, quality control departments, and any industry where exact measurements are non-negotiable.

2.The Core of the Process

The primary goal is to determine if a scale's measurements are consistently correct over its entire range. This is achieved through a structured procedure that includes:

2. 1 Equipment Calibration: This is the foundational step where a technician adjusts the scale's internal settings to align its measurements with a known standard. Calibration is performed using certified, traceable reference weights (also known as test weights). The scale is adjusted to read the exact value of these weights at multiple points, correcting for any mechanical or electronic drift. Calibration is not just a check; it's a corrective action that brings the equipment back into its specified performance.

2. 2 Accuracy Verification: After calibration, accuracy verification confirms that the scale is now functioning correctly. This is done by weighing a different set of certified weights—not the ones used for calibration—and comparing the scale's displayed value to the known mass of the weights. A passing result confirms that the scale can provide a true measurement.

2.3 Repeatability and Reproducibility (R&R) Testing: This test measures the scale's ability to provide the same result under the same conditions. It involves weighing the same item multiple times to check for variations. A high degree of repeatability is crucial for processes that rely on consistent measurements. This test also helps identify random errors caused by environmental factors or mechanical issues.

Specifications:

SMARTWEIGH INSTRUMENT CO.,LTD , established over 15 years, which is one of the largest manufacturers and exporter in China. Our workshop occupy 20,000 square meters and located in a very convenient and beautiful city, Changzhou, it is close to Shanghai and only take one hour by high speed railway.

  Our company have advanced production equipments like Bending machine, pre-arch machine, shearing machine, qutomatic welder, automatic welding robot, plasama cutting machine, and baking paiting room, to help us increase the product quality and  production productivity  Our company also have the senior technician team and design team. Many products have been applied  patents. 

  Under the advanced test equipement, technical workers and rich experice, we manufactured high qualified truck cales, platform scales, bench scales, crane scales, highway axle scales, as well as spare parts like indicators and loadcells. We have exported to RUSSIA, KSA, USA, UK, HOLLAND, SPAIN, ITALY etc many different kind of countries, our good quality and timely delivery has attracted over 200 long term distrbutors all over the world.

Our yearly export collection amount keep about 5000,000 to 10000,000 USD, among of this, our project for the foreign railway, highway and government is the majority. By the way, We can supply both ODM and OEM design also.

  Our company havs been awarded ISO 9001, CE, SGS, OIML cetificate for our products, all weighing scales are 

pre-calibrated before shipping, We deicated to the spirit of " Quality come first forveve and technology detemines the productivity"since extablished, and we have benifited from it and quietly brilliant for over 15 years.

More and more wonders and brilliant future will be made be by SMARTWEIGH!