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The balance in literal form is an equal arm beam scale. If you close your eyes, you can probably imagine the single brass beam with a shallow cup hanging from each end. The concept is so simple that it did not really require an ‘inventor,’ it more likely represents a ‘discovery,’ like fire, or the wheel. 

 

Dating back to approximately 5000 BCE, the simple equal-arm balance served as the starting point for science, discovery, and trade. For 7000 years, this scale design remains one of the most accurate of instruments even though it works on the simplest principle of mechanics.

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Interning with Lab Scales

Sep 27, 2013 10:17:15 AM

John and Maria were both interning for the summer. It was a terrific position that would look great on their resumes. The people they worked for had a sense of humor, so you had to think about some of the requests they made. The humor made the internship fun.

 

One day they were told to bring a scale to another room. No other directions were given. John took off running, but Maria remembered other challenges they had been given. So, she stayed and asked a key question. Maria asked what the scale would be used for. She was told they needed a scale that would measure in gram, ounces, and pounds. That didn't narrow things down since the BA303, BTA200, and the AG500 are all capable of weighing in those 3 units of measure as well as others units.

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Jane the Intern and Her Washdown Scale

Sep 20, 2013 1:09:58 PM

A short story about Jane and her Washdown Scale:


Growing up on the Florida Gulf Coast, Jane fell in love with the water. More specifically, she fell in love with what lived in the water. Her house sat just a couple hundred feet away from the inland waterway where she would spend her afternoons after school tapping on the dock to communicate with the more curious of the wild dolphins that called this area home.


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“I think it is a sad reflection on our civilization that while we can and do measure the temperature in the atmosphere of Venus, we do not know what goes on inside our soufflés.”             -Nicholas Kurti                  

 

 In 1992, a cooking teacher named Elizabeth Cawdry Thomas saw fit to disrupt a regular discussion among scientists by introducing a cook’s perspective. These scientists had been meeting every year in Erice, Italy, to discuss the physics and chemistry of cooking. Elizabeth, who was married into the culture of scientists, recruited many of these very scientists, and a group of experienced cooks, to expand upon these discussions by forming the “Workshop on Molecular and Physical Gastronomy.”


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Finding the Right Precision Scales

Sep 5, 2013 2:35:51 PM

Digital Scale News gives nine criteria for purchasing precision scales. They state most buyers do not know what features they need, so they purchase the wrong scale. We encourage you to analyze what you need, review this list, and check out everything Torbal has to offer in order to help you find the perfect scale for your application.

 

The first of the criteria DSN focuses on includes design. Let's face it, many of us choose appliances based on how they look. While some may choose their precision scale this way, we suggest factors such as color remain your lowest priority.

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The best weighing scales depends on the application for which they will be used. Industries, commercial businesses, and laboratories need scales designed differently for the respective tasks that each requires. Which scales can weigh the best relies upon knowing how each scale operates differently and why their measurements are better suited for the specific application.

 

Application of Scales

 

Scales are used to accurately measure the weight of certain objects. These objects can be raw materials for manufacture, reagents for chemical reactions, or products to determine final shipping weights.

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Many people may relate scales and balances to perform the same task. Each one puts out a measurement and provides some idea as to the weight or mass of an object, but these measurements are vastly different. It is important to understand the difference between scales and balances so that proper measurements can be observed.

 

Scales

 

Scales measure the weight of an object related to gravity. What this means is that the measurement a scale makes is not in grams but Newtons. A Newton is the mass of object multiplied by the force of gravity.

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Three Common Types of Balances

Aug 15, 2013 12:31:11 PM

Balances are different from scales in that they have a single bar resting on a pivot with two identically weighted platforms on either end of the bar. When you place a weight of known value on one platform, and another object of unknown weight on the other. To find the exact weight of the unknown, you simply adjust the amount of weight on the known side of the balance. This makes it sound like there is only one type of balance, but there are more than just one. There are actually three types of balances: the equal arm balance, the unequal arm balance, and the spring balance.

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The many types of scales

Aug 8, 2013 9:31:51 AM

There are several types of scales available for weight measurement. Some of the most common types of scales are bench scales, pocket scales, industrial scales, jewelry scales, laboratory scales, bathroom scales, baby scales, and animal scales. Each type of scale is designed with a particular purpose in mind. For instance, jewelry scales are designed to weigh things in the carat unit, which you can't do with a laboratory scale.

 

Bench scales are the most common type of scale used in the home and work place. They are suitable for weighing mail, food portioning, and anything else you might need. Their range is generally between grams and 300kg. Postal scales generally have the ability to also use the ounces and pounds units.

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How to Use Digital Scales

Aug 1, 2013 4:14:21 PM

Scales may seem like complicated devices. Indeed, the more finely tuned they are to pick up minute differences in weight, the more complicated the machines are. However, even the most delicate scale is not complicated to use.


There are a few considerations to keep in mind when you set up your scale for the first time. First, you must place it so the top surface is level. If the top surface isn't level, the readings may be difficult to obtain or not accurate if they are obtained easily. Leveling the scale is very much like making sure a picture is level, but possibly easier since there is a built in level. This level is usually found on the back of the scale, and looks and just like a level you'd get at your hardware store. The principle is the exact same, too. To make sure your balance is on a level surface, just look at the bubble in the middle. It should be right on the middle, or as close to it as possible. If it isn't, adjust the height of the legs until the bubble is as close to the center of the circle as you can get it.


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