Different tasks require different load cell accuracy. For example, when building materials are weighed, such as cement and gravel, it is rarely necessary to be accurate to grams. For store pricing and high-precision batching systems, grams and micrograms are a must.
Different applications select different weighing sensors
Different tasks require different load cell accuracy. For example, when building materials are weighed, such as cement and gravel, it is rarely necessary to be accurate to grams. For store pricing and high-precision batching systems, grams and micrograms are a must.
Internationally recognized accuracy grades OIML R60 provides valuable information for selecting the right sensor for a specific application. All HBM load cells are classified and tested according to the OIML R60 standard.
The HBM sensor uses strain technology. These load cells are extremely cost effective, longer life and precision. In addition, the space they need is very small and easy to install.
The main accuracy classes for HBM load cells are C3, C3MR and C6. It is critical that the load cell meets specified grade standards, such as linear and temperature performance.
Typical applications Different applications require load cells of different accuracy levels. An overview of typical applications is shown in the chart, with accuracy levels from lowest to highest.
Low-precision D1 and C2 load cells can be used in simple building materials scales for weighing sand, cement and water.
Adding a suitable proportion of building material additives to building materials is essential. In this way, special building material scales require C3 precision load cells for the mixing of sand and gravel.
However, price scales or filling equipment require a higher level of load cell. Gram or microgram is a must in many cases. Such applications often require a C3 to C6 precision load cell.
Currently, load cells for special price scales or checkweighers are generally C6 accurate. Most current dynamic sorting scales require high-precision monitoring of the food weighing process. Food packaging is a typical application.
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