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March 9, 2009

Jewelry scales

As you may know, determine the size and value of various gems stones and precious metals requires the use of a precision digital scale.

Unfortunately – the biggest mistake that most precision scale buyers make is they simply do NOT know which digital scale features they need for their application.

In order to make your precision scale selection FAST & Successful, we have provided you with the following “Precision Scale Checklist”. Simply use this check list to determine which scale features you need for your special application.

1) Design
2) Weighing Units (g, ozt, ct, grains, dwt, oz)
3) Capacity vs. Accuracy
4) Size & Portability
5) TARE Feature
6) Calibration
7) Battery and/or 110V power
8) Manufacturers’ Warranty
9) Price
DESIGN
Precision scales are available in a variety of designs (i.e. styles and colors). However, for most applications, you should consider style and color a LOWER priority.

WEIGHING UNITS (g, ozt, ct, grains, dwt, oz)
Most precision scales offer the following weighing units: Grams and Ounces. Some precision scales also offer the weighing units of Carats – ct (used for stones & gems) Troy Ounces – dwt (used for some precious metals) and Grains – gn (used for gunpowder).

In addition, if you are looking to weigh in MILLIGRAMS – mg, you will find most scale only display in grams and 0.001g = 1mg or 0.01g = 10mg.

You will also see the term TCW, which means “Total Carat Weight”. The term TCW refers to the TOTAL weight of ALL stones in one (1) piece of jewelry or pair of earrings.

Before you select your precision scale, make sure that it has the weighing units you need for your special application. In addition, make sure it meets your capacity and accuracy needs.

SPECIAL NOTE: You can also CLICK HERE to use an On-line Conversion Calculator to convert various weighting units, such as grams to grains or grams to carats, etc.

CAPACITY vs. ACCURACY
Before you purchase any scale, you will need to answer the following two (2) questions:

a) What is the maximum amount that you will ever need to weigh (i.e. 10g, 200dwt, 250ct, etc.)?

b) What is the minimum increment (i.e. smallest amount) you will measure (i.e. 1g or 0.01g, 0.05ct, etc.)?

As you may have discovered, there is generally a direct relation between capacity and accuracy. The higher the accuracy of a scale, the scale will generally have a lower capacity. If you are looking for a digital scale with a high capacity and a high accuracy, this will most likely be very expensive.

Due to the lower prices, most gem stone collectors use a CARAT scale with an accuracy of 0.05ct (0.01g) and a capacity of 250ct or 500ct (50g or 100g). However, most professional dealers or collectors will use a CARAT scale with an accuracy of 0.01ct (0.001g) and capacities from 250ct to 1500ct (50g to 300g).

Once you have determined this information, you will simply need to select a precision scale that meets your capacity and accuracy requirements.

SIZE & PORTABILITY
One of the higher priorities you should note is the scale’s dimensions. In fact, a question you will need to ask yourself…

Will you be carrying your precision scale to different locations or will it stay at one location?

Of course, if you need to bring your scale with you to various locations, then you should select a scale that is compact & portable (i.e. pocket scale or mini scale). However, if you are placing your scale on a bench/table, then you may want to select a different sized precision scale.

In addition – your precision scale’s platform size will be directly related to its portability and should also be based on the size of the items to be weighed. However, as you will read in the next section – you may be able to increase the size your precision scale’s platform by using the Tare Feature.

TARE FEATURE
Most digital precision scales have a valuable feature called TARE. This feature simply removes the weight of any item placed on the platform. You can use this feature to increase the size of the platform and/or place items in a container, and then obtain the exact weight of the items in the container.

Platform Example: If you need to weigh an item that will not stay on your precision scale’s platform, you may be able to increase the platform size by placing a flat item – such as a plastic plate – that is larger than the platform and pushing the TARE button. This will remove the weight of the plate and you will now have a larger weighing platform.

Container Example: Place your container (i.e. bowl, cup, etc.) on the scale’s platform that will hold the item(s), and then push the TARE button. Your scale’s display will reset to 0 by subtracting the weight of the container. Then simply place the item(s) in the container and your scale will display the actual weight of the item(s) in the container.

In addition – if you need to weight more items in the same container, you can simply keep pressing the Tare button to reset the scale’s display to zero and then add the next item.

CALIBRATION
In addition, most precision scales offer a calibration feature that will enable you to keep your scale running at peak performance and accuracy.

If the precision scale you select offers an optional calibration weight, we highly recommend that you purchase this accessory to keep your precision scale accurate.

BATTERY and/or 110V POWER
The majority of precision scales are powered by battery(s) – only a few are 110V Power – some units offer both options. Of course, the battery powered scales will be more portable.

In addition, since precision digital scales only use a small amount of power and most units have auto shut off, the batteries will keep going and going and going.

MANUFACTURERS’ WARRANTY
You will discover most manufacturers offer at least a one (1) year warranty. In addition, you will find some who offers 2-5 year warranties.

SPECIAL NOTICE: We highly recommend you AVOID any scale manufacturer that offers a so-called “lifetime warranty”. We have discovered that most of these companies require a substantial fee for processing your warranty claims.

As you know, common sense says… “If it sounds too good to be true – it probably is”.

In addition, you should always use extreme care while operating or transporting your scale. Dropping your precision scale will most likely render it useless or cause enough damage to affect its accuracy. This type of damage will also void most manufacturers’ warranties.

PRICE
Use your checklist to determine what scale features are most important to YOU. The price of your precision scale will be directly related to the features you select. The GOOD NEWS is that you will find that most consumer scales will be priced under $99 (USD) and precision bench scales can cost $1000′s.

Now that you have completed your “Precision Scale Checklist”, you will be able to avoid making any mistakes when selecting the BEST digital precision scale for your special application!

Diet Scales

you are watching what you eat, then it makes perfect sense to use a digital scale to monitor the amount of food you consume. Keeping track of the portion size of your food items will enable you to design a diet program that will be successful.

In addition, many diet cookbooks are utilizing a scale to measure each ingredient to ensure precise measurements and to produce accurate results – guaranteed!

Here a couple of examples:

EXAMPLE #1: Shave four medium sized carrots vs. 200 grams of carrot shavings

How “long and wide” are medium carrots?

EXAMPLE #2: 3 rounded T. vs. 75 grams

Did you know that the abbreviation for tablespoon is T. in some cookbooks and tbsp. in other books? Would you have added 3 rounded teaspoons for the abbreviation T.? How much is in a “rounded” teaspoon anyways?

As you can see, not only will you achieve substantially more accurate recipes using the weight of each ingredient, you will also eliminate any confusion during measurement.

If you are searching for a diet scale that provides additional information on the exact nutritional levels of the food you eat, such as carbohydrates, calories, fat, sodium, etc., than you should click here to read the information regarding Nutritional Scales.

In order to make your diet scale selection FAST & Successful – we have provided you with the following “Diet Scale Checklist”:

1) Design
2) Digital or Manual
3) Capacity vs. Accuracy
4) AC/DC – Battery and/or 110V
5) Spill Protection
6) Weighing Units (lb, oz, kg, g)
7) TARE Feature
8) Removable Platform
9) Manufacturers’ Warranty
10) Price

DESIGN & SIZE
Diet scales are available in a wide variety of styles, colors, and sizes to match your décor. Most diet scales are fairly small; however, they will vary a little in size. In addition, some more unique designs may have limited features/functions. Since scales are not a major kitchen appliance, you will discover that most designs are fairly simple and functional.

DIGITAL or MANUAL
Since digital scales are extremely accurate and low cost, you will discover that most diet scales are digital. If accuracy is not important and STYLE is, you may find some manual scales will have unique design characteristics (i.e. balance, hanging, and spring scales). Of course, we highly recommend you purchase a digital diet scale for higher accuracy and better results!

CAPACITY vs. ACCURACY
Before you purchase any scale, you will need to answer the following two (2) questions:

a) What is the maximum amount that you will ever need to weigh (i.e. 2lb, 5lb, or 10lb)?
b) What is the minimum increment (i.e. smallest amount) you will measure (i.e. 1g or 0.5oz.)?

Once you have determined this information, you will simply need to select a scale that meets your capacity and accuracy requirements.

BATTERY and/or 110V POWER
Digital scales are powered by either battery or 110V Power and some units offer both options. The battery operated scales will be more portable. However, the 110V scales will eliminate the use of batteries.

Since digital diet scales are usually small, you will find that most diet scales will operate via battery power. Since digital scales only use a small amount of power and most units have auto shut off, the batteries will keep going and going…

SPILL PROTECTION
Unfortunately, in the diet your scale will probably become the victim of a liquid or powder spill. If you decide to purchase a digital scale, we recommend that you purchase a unit with a sealed LCD display and user buttons. This spill protection will prevent the scale from short circuiting and voiding most manufactures warranties. Please note your diet scale does not need to be waterproof.

WEIGHING UNITS (lb, oz, kg, g)
Many diet scales offer both weighing units – pounds/ounces and kilogram/grams. However, you need to make sure that the scale has the weighing units you need.

TARE FEATURE
The tare feature allows you to measure the exact weight of a product in a container. This is a valuable feature if you need to weigh a liquid or powder ingredient. This feature is ONLY available on electronic digital diet scales.

Here is an example of how to use the TARE feature:

Example: Place the “container” that will hold the ingredient on the scale’s platform, then push the Tare button. Your scale’s display will reset to 0 by subtracting the weight of the container. Now, simply place the ingredient in the container and your scale will display its actual weight.

If you need to add more ingredients, just keep pressing the Tare button to clear the scale’s display and then add the next ingredient.

REMOVEABLE PLATFORM
If you have ever spilled something when cooking, you may wish to purchase a scale with a removable platform. Some scales offer a removable Stainless Steel or glass platform, which also allows the user to place food items directly on the platform. Not only is it sanitary, but it allows for FAST & EASY clean-up.

MANUFACTURER’S WARRANTY
You will discover most manufacturers offer at least a one (1) year warranty. In addition – you will find some who offer 2-5 year warranties.

SPECIAL NOTICE: We highly recommend you AVOID any scale manufacturer that offers a so-called “lifetime warranty”. We have discovered that most of these companies require a substantial fee for processing your warranty claims.

As you know, common sense says… “If it sounds too good to be true – it probably is”.

PRICE
Use your checklist to determine what diet scale features are most important to YOU. The price of your kitchen scale will be directly related to the features you select. The GOOD NEWS is that you will find that most consumer diet scales will be priced under $99 (USD).

Now that you have completed your “Diet Scale Checklist”, you will be able to avoid making any mistakes when selecting the BEST scale for your special application!

Mistakes when buying counting scales

The BIGGEST mistake digital counting scale buyers make is selecting a scale solely based on a scale’s capacity.

Example: Jim & Jane distribute electronic components. They want to count twelve (12) separate inventory bin locations. Each bin location contains 500-1200 units.

Jim and Jane determined that each component’s unit weight ranges from 0.5 – 7.0 grams (0.001 – 0.015 pounds). In addition, the “total weight” of each inventory bin for these items ranges from 23-27 kilograms (50-60 pounds).

In order to save time counting their entire inventory, Jim & Jane select a 66lb-30K capacity digital counting scale. Since the heaviest “total weight” of any of their inventory bins was 27K (60lb.), they would only need to weigh/count each inventory item once.

After receiving their scale, they counted their inventory. However, they soon discovered that the inventory count for the lighter items was not 100% accurate. They assumed that their parts counting scale was defective.

Unfortunately, the scale was NOT defective, but rather Jim & Jane selected the wrong counting scale based on their need for an accurate count.

Selecting a digital counting scale solely based on its capacity will generally result in a lower count accuracy. This is because with most digital scales, there is a DIRECT relationship between CAPACITY and ACCURACY.

“The higher the capacity – the lower the accuracy”

OR

“The higher the accuracy – the lower the capacity”

Example: A 60 pound capacity scale might be accurate to 1/100 ounce, but a 6 pound scale will be accurate to 1/1000 ounce. As you can see, the 60 pound scale has 10 TIMES the capacity of the 6 pounds scale. However, the 6 pound scale is 10 TIMES more accurate.

Of course there are a few exceptions to this rule. However, you will usually pay a substantially higher price to obtain a scale that offers both “high capacity and high accuracy”.

Please note that if you are going to weigh a variety of items with different unit weights and you decide to select a counting scale based more on capacity than accuracy, then you must understand that your accuracy will be lower on the lighter items.

This is why – if possible – we highly recommend you select a counting scale based on its accuracy. The scale’s accuracy should be based on the “average unit weight” of your item(s).

If you are unsure of the uniformity of each item’s unit weight – then you should perform a sample test. Checking an item’s unit weight for uniformity is very important to ensure the highest accuracy count possible.

To perform a sample test, simply select a random number (at least 5+) of units, weigh each unit, and record the exact weight of each sample unit. Be sure to check the unit weight of each sample by using a highly accurate digital scale – such as a 0.1 gram scale.

If you discover that the weight of each unit varies slightly, then you must determine the AVERAGE unit weight (i.e. the total weight of all items divided by the number of units weighed).

Based on your sample test results per unit, you should purchase a scale with a “minimum accuracy” that is equal to or greater than the AVERAGE unit weight of one (1) item. This will ensure you will achieve the highest counting accuracy.

Example: If your test sample was 10 widgets – which weighed between 0.9g to 1.1g and the average overall weight was 1.0g – then you would purchase a scale with a minimum accuracy of one (1) gram.

Please note that you will never achieve a 100% perfect count if your item’s unit weight varies slightly from unit to unit. However, since using a counting scale will save you a substantial amount of time versus hand counting, a negligible counting error is generally acceptable.

In addition, depending on a counting scale’s features such as the number of preset counting keys, AC/DC power options, accuracy, capacity, etc., you may also discover a wider range of prices.

Although certain features may offer some unique benefits, selecting the correct scale that will provide you with an accurate count should be your top priority!

Digital Scales types

Postal Scale – A shipping scale, postage scale, and postal scale all fall in this category. They are great for use in your home or small business so that you can save time by not even having to travel to the post office but can just cozy up to one of the best digital scales on the market.
Kitchen Scale – as a leader in commercial and consumer digital scales, Digital Scale Depot.com carries digital scales starting out as low at $14.95 for a basic dial scale, ranging to the highest quality precision scale.
Bathroom Scale – not only the standard weight scale, but also body fat scales and the standard bath scale to keep you aware, not only of your weight, but also your health. Who could have thought that your new digital scale could be a personal trainer as well. These digital scales will do it all for you.Digital Kitchen Scales
Digital Pocket Scale – high quality digital scales that can be carried with you no matter where you go. These digital scales can be invaluable for the investor or rare coin or jem collector.
Precision Scale – these digital scales can be used in your home or for a business or lab whenever precision is necessary. These include laboratory balance scales, gram scales, and even a variety of classy dial scale.
Counting Scale – highly versatile digital scales series. It can be used in a variety of instances especially good for counting inventory for your small or medium business. Choose from three different capacities. These digital scales can double as an all purpose scale as well.

Digital Scales for every purpose and for every need. You have always wanted a digital scale.

Ever wonder why digital scales have become so popular? The truth is that technology has increased so rapidly that digital scales have now become much more accurate and reliable than the normal dial scale. For this reason, we feel extremely confident that you will be choosing your favorite scale for this site.

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