Digital Scientific Scales for Precise, Accurate Weighing
The online resource Sciencing explains that scientific weight scales "are used to measure the weight and mass of many different kinds of solids, liquids or powders." When you select a scientific scale two crucial factors to keep in mind are precision and accuracy, and there is an important difference.
In Selection Tips for Precision Digital Scales, we explain a $5,000 wristwatch may be precise, but if the hands are set wrong it does not show the accurate time. More to our point for considering a scientific scale, repeatedly placing a test weight on a digital scale may show the same result on the readout, meaning the scale is precise. But if the test weight and the readout differ, there is an accuracy problem.
The post also defines other important features to guide your selection criteria when purchasing a scientific scale.
Scientific Scales for Accurate, Precise Weighing from Milligrams to Kilograms
Weight accuracy - that is, exactly how accurate is the weight of an item - is of critical importance across businesses ranging from compounding pharmaceuticals to calculating the weight of construction products delivered to or shipped from the loading dock.
The accuracy of a weighing instrument is also critical in more mundane applications such as weighing and shipping packages and products to insure that both buyer and seller are "getting what they paid for." This can be expressed in terms of weight or, by the use of counting scales to determine the number of, for example, nuts or bolts in a box.
Tovatech offers a broad range of scientific scales and analytical balances briefly described below.
In addition to selection tips referenced above we also call attention to the importance of calibrating digital scales on a regular basis.
We invite you to browse our line of scientific scale products, then contact our digital experts for recommendations and assistance in making the right selection.
And don't forget to download a copy of our Buyer’s Guide to Digital Scales for helpful information on choosing the correct weighing instrument.
Capable of weighing to within the sub-milligram range such as 0.1mg or in the case of semi-micro balances within 0.01mg readability, which is the number you see on the display. Upper weighing capacity is limited for analytical balances, depending on the models. Weighing pans are enclosed to protect them from dust and stray air currents that can affect accuracy.
Higher weighing capacities and weighing ranges from readings in milligrams (0.001g) to a capacity of 31,000g, depending on models. Most models have open weighing pans; others are enclosed for draft protection. Some models can be fitted with draft shields.
Also known as parcel scales and packaging scales, used for heavier weighing tasks. Readability varies depending on the weighing capacity. As an example, a 3kg maximum weight scale might have a readability of 0.01g while a 300kg scale might have a readability of 100g.
Popular for receiving docks and warehouses to check the weight of merchandise as it is unloaded or relocated using an overhead crane. Tovatech’s HCN digital hanging scales have stainless steel housings and an IP65 rating to protect against ingress of dust and moisture. They feature front and rear weight displays and a weight holding function.
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