Another great place to shop for Precision Balance Scale products is Amazon. They have more than just books!
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Fast Weigh MS-500-BLK Digital Pocket Scale, 500 by 0.1 G
List Price: $11.95
Sale Price: $4.50
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Introducing the M-Series from Fast Weigh Scales! This hip little scale is one of the hottest and most economical scales on the market today! The removable cover keeps the scale protected when not in use and also doubles as an expansion tray...
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American Weigh Signature Series Black Digital Pocket Scale, 1000 by 0.1 grams
List Price: $17.95
Sale Price: $6.99
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Product FeaturesDurable and compact digital pocket scale for easy portabilityWeighs items up to 1000 grams in 0.1 gram incrementsEasy-to-read, backlit LCD display; intuitive, flip-open lid protects the smooth, stainless-steel weighing surfacePowered by 2 AAA batteries, a set of which comes includedBacked by a 10-year warranty Amazon...
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My Weigh XL-550 Talking Bathroom Scale
Sale Price: $37.50
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The My Weigh XL-550 Digital Talking Scale has a 550 pound capacity with a 0.2 pound resolution and also weighs in kilograms (200 kilograms x 0.1 kilogram). This scale has a large weighing platform and easy to read display, as well as a talking feature...
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Weight Watcher Scale by Conair WW39 Digital Glass Scale
List Price: $29.99
Sale Price: $23.34
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ENGINEERED TO THE HIGHEST PRECISION STANDARDSSAFETY TEMPERED GLASS 12" X 13.5" PLATFORMOVERSIZED EASY TO READ 1.5" DIGITAL DISPLAY DISPLAYS WEIGHT IN 0.1 LBS OR 50 G INCREMENTS WEIGHT CAPACITY: 330 LBS OR 150 KGLARGE HIGH STRENGTH IMPACT RESISTANT GLASS PLATFORMTAP-ON SCALE ACTIVATOR INCLUDES LIFETIME LITHIUM BATTERYCONTEMPORARY GLASS & SILVER FINISHUPC : 074108094315Shipping Dimensions : 14...
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Ohaus AV4101 Adventurer Pro Balance
List Price: $1,438.36
Sale Price: $767.55
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Capacity: 4100 gReadability: 0.1 gRepeatability (Std. Dev.): 0.1 gLinearity: +/- 0.2 gTare range: To capacity by subtractionStabilization time: 2 secondsPower Requirements: AC Adapter (included) or (4) "AA" batteries (not included)Calibration: Digital with External WeightOhaus AV4101 Adventurer Pro BalanceDetails:The Ohaus Adventurer Pro is the latest in the Adventurer line of Precision Balances...
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Ohaus Ranger RC3RS Counting Legal Trade Scale
Sale Price: $873.60
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Capacity (metric): 3000 gReadability (metric): 0.1 gTare Range: To full scale capacityPower Requirements: Internal, hardwired AC includedCalibration: Span Calibration: 0 %, 20 % to 100 % of capacityDisplay: Backlit LCD with 7 digits 0...
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Ohaus AV8101C Adventurer Pro Balance
Sale Price: $549.95
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Capacity: 8100 gReadability: 0.1 gRepeatability (Std. Dev.): 0.1 gLinearity: +/- 0.2 gTare range: To capacity by subtractionStabilization time: 3 secondsPower Requirements: AC Adapter (included)Calibration: Digital Internal and Digital with external weightOhaus AV8101C Adventurer Pro BalanceDetails:The Ohaus Adventurer Pro is the latest in the Adventurer line of Precision Balances...
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American Weigh Black Blade Digital Pocket Scale, 1000 by 0.1 G
List Price: $22.95
Sale Price: $6.99
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Product FeaturesHandy digital pocket scale includes a retractable backlit display, making the most of space-saving efficiencyWeighs up to 1000 grams in 0.1 gram increments; easy to use with a 3-key operationComes bundled with 2 sizes of expansion trays, including extra-largeIncluded carrying pouch holds everything, so taking it on the go is easyCovered by a 10-year warranty; powered by 2 AAA batteries, which come included Amazon...
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Here are some more information for Precision Balance Scale:

The Varieties of Floor Scales
Weighing scales are instruments used to measure the mass or weight of an object. Scales differ in size, capacity, model and price, catering to the customers’ needs and budget. It can be analogue or digital. Analogue scales are said to be more accurate and can withstand tough environmental conditions. Digital ones are much modern since they are powered by electricity, and they give fast and accurate measurements up to 0.1 gram. However, most digital scales are fragile and only work well in dry environments.
There are also digital scales not that sensitive and fragile like bathroom scales, clinical or hospital scales as well as baby scales. This is so long as you don’t exceed the maximum weight capacity.
In choosing a scale for any industry, be sure to consider the maximum weight capacity, low profile design for easy operation, easy handling features, durability, good protection for internal parts and the safety as well as adjustable parts.
Here are some scales you can choose from:
Balance Scales
It is very typical in a science laboratory setup. It comes in either platform style or top load electronic balances. The platforms are usually made of stainless steel and have a molded protective cover that gives added protection and increases the life of the balance.
These balances have simple operating designs and come in very handy. There are some specifically made for weighing hazardous reagents. Explosion-proof scales are much expensive as compared to simple top load balances.
A balance electronic scale is a combined mechanical and electrical technology, so fragile and can easily be damaged by overload. Though this type gives accurate and precise measurements, it also has high repair costs. Prices of the balances range from $132.00 to $3475.00
Retail Scales
This is commonly used in the food industry. It may come in dial forms, much economical and is easy to clean. Most of these are computing scales that works very accurately. It measures the price per unit, the total price of the product, and may even generate a tag. It often has a sealed calibration to avoid tampering. This type of scale ranges from $199.00 to $1150.00.
Spring Scales
Measurement is done by suspending the object and getting the displacement of the spring. This scale is not as accurate and precise because of two important variable factors, the gravitational force and the temperature. The electrical version of a spring scale is the strain gauge scale. The weight is measured by a length-sensitive and electrically resistant material called the strain gauge.
Since the elasticity of the spring changes with temperature and the force of gravity changes with the place, it is always advised that spring scales be calibrated at the location where it will be used. Demonstration spring scales ideal for classroom demonstrations are sold for as low as $3.34 while those used for commercial purposes can range from $39.00 to $100.00.
Industrial Scales
This is the scale that handles most of the heaviest jobs in the worst environmental conditions. It includes the simplest type, the bench scale, the moderate floor scale and the toughest hydraulic scale or the crane scale. These scales are made of semi steel, stainless steel and cast. These materials make the scale withstand dry, wet, chemical, and even wash down areas.
Bench scales work the same way as a retail scale. It also computes, weighs and counts. Floor scales, on the other hand, are those installed in floors with or without ramps. The material of a floor scale depends on the environment where it will be installed. Floor scales made of stainless steel and are hermetically sealed are well suited for wash down locations like food processing plants and chemical industries. Those intended to be stalled in a dry environment are usually made of mild steel.
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Is this accuracy or precision?
We are doing a lab where we take an object and measure it with 5 scales. For example, weighing an eraser with 5 beam balances. We are trying to find uncertainty. All the answers we get are very close to each other with a difference of .1 or .2 Are we measuring precision or accuracy?
Precision concerns how closely bunched your results are. If they are closely bunched then they are precise. If they are widely spread then they are imprecise.
Accuracy concerns how close your average value is to the true value. If your average is close to the true value then your results are accurate. If your average is far from the true value then your results are inaccurate.
You say your results are very close to each other - this suggests they are precise. Whether they are accurate depends on whether the eraser actually weighs close to your mean answer. The fact that your results are precise suggests good experimental technique and your data is also likely to be accurate. It could however be precise and inaccurate if there is a source of systematic error.
Great Impact Debates
by Staff Writers for Astrobiology Magazine Moffett Field CA (SPX) Mar 03, 2010 Don Yeomans: As mentioned in last week's debate, an asteroid or comet larger than a kilometer colliding with the Earth would be a very rare event.
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