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Nootropics Depot always suggests using a reliable milligram scale for measuring powder doses as scoops are highly unreliable for measurement. Nootropic and natural extract powders have different densities and therefore generally shouldn't be measured using a scoop.
| Power Down: | Automatic Off After 3 Minutes / Button |
| Operating Temperature: | 10-35°C (50-95°F) |
| LCD Display: | 5 Bit LCD Display |
| Backlight: | Blue Backlight |
| Power Source: | 2x AAA Batteries (Included) |
| Dimensions: | 88mm x 100mm x 30mm (3.46in x 3.94in x 1.18in) |
| Scale Weight: | 106g (3.70oz, 0.24lbs) |
| Weighing Pan Dimensions: | 34mm x 34mm x 5mm (1.34in x 1.34in x 0.20in) |
| Weighing Pan Material | Stainless Steel |
| Buttons: | Tare, Mode, Off, On |
| Power Alert: | Automatic Battery Low Notification |
| Weighing Unit Options: | g / oz / ozt / dwt / ct / gn |
The terms accuracy, precision, capacity, and resolution are important concepts when talking about the properties of a scale. Although the terms have distinct meanings, many times people confuse them with one another. When an object is placed on a scale, the scale responds by displaying a measurement of that object's weight. The confidence in knowing how close the displayed weight is to the actual weight depends entirely on the accuracy, precision, and resolution of the scale at a given weight. Let's look at each one individually.
The resolution of a scale is the smallest increment in measured weight that can be displayed on the scale. The NDS-201 is a milligram scale. Therefore, the smallest unit the scale can display is 1mg. This is also the amount the scale increments or decrements by when weighing. The NDS-201 cannot measure fractions of a milligram. To measure fractions of a milligram, you would need to move to a 0.1mg or 0.01mg precision balance, and those run into the thousands of dollars per scale.
The accuracy of a scale is how close the value of an object's displayed weight is to the object's actual weight. If a scale indicates that a 10 gram weight weighs 10.005 or 9.995, then the scale is accurate to within 0.05% at 10 grams, or a 5mg deviation. This is the maximum amount the scale would deviate from the actual weight value of an object at that specific weight. This accuracy of a scale is different at various weights as well. This is due to the resolution of the scale affecting how close it can get the displayed weight to the actual weight of an object. Since a milligram scale has a 1mg resolution, and you cannot display fractions of a milligram, the accuracy of the displayed weight will be lower at lower weight values. Let's say we are measuring 50mg instead of 10 grams. If we wanted an accuracy of 0.05% at 50mg, the scale would need to have a resolution of 0.001mg, or one microgram. This is an incredibly tight tolerance, and microgram scales run tens of thousands of dollars to achieve that resolution. So that accuracy level is impossible at the 50mg level on a milligram scale. If you weigh a 50mg weight and get a value of 48mg or 52mg, then your scale is accurate to within 4% at 50mg, or a 2mg deviation. What this means from a practical standpoint is that your milligram scale gets more accurate the more weight you put on it.
The precision of a scale is the measure of repeatability of an object's displayed weight for multiple weighings of the same object. Essentially, precision is the deviation or fluctuation of the measured weight of a single object across multiple instances of weighing on the same scale. If you weigh a 10 gram object 5 times, and you get 10.005, 10.001, 9.995, 9.999, and 10.000, your precision is 0.05%. This is because the maximum value of deviation (5 milligrams) from the average of all the weights (10 grams) is 0.05%. Think of precision as a measure of how much a scale's weight display will fluctuate from one time to the next.
Finally, capacity is the largest weight the scale is capable of weighing. The NDS-201 has a capacity of 20 grams. This means that the maximum weight of an object you can put onto the scale is 20g. Not only is that the maximum it can accurately weigh, but it can also damage the mechanism of the scale by going over that maximum capacity.
Please click here to view or download the Nootropics Depot NDS-201 Milligram Scale Manual
Your NDS-201 scale from Nootropics Depot comes with a lifetime warranty from manufacturing defects and for operational quality. All scales are tested for proper function at Nootropics Depot facilities before sale. This is to ensure you do not get a faulty unit. However, if your scale arrives in poor functioning order, please reach out to Nootropics Depot support at support@nootropicsdepot.com within 10 days to receive a replacement without additional shipping costs. The lifetime warranty does not cover loss, damage, or misuse. Please read the manual to understand its capabilities and limitations, and only use the NDS-201 scale within the bounds of those operational capacities. If you feel your scale is not working properly due to a manufacturing defect outside of the 10 day initial window, please reach out to the Nootropics Depot support team. You will need to ship the scale back to ND’s facility to be inspected. Nootropics Depot does NOT cover the shipping costs for shipping the unit back to us outside of the initial 10 day window, but will cover the cost of shipping the replacement unit back to you if the inspection determines the scale has not been improperly handled or damaged. Nootropics Depot does offer an extended warranty for damage. If you have purchased this coverage, you will be allowed a maximum of two (2) replacements related to damage/improper use. Nootropics Depot does NOT cover shipping costs of replacements due to damage/misuse.
Nootropics Depot does offer an optional extended warranty for damage. If you choose to purchase this coverage, you will be allowed a maximum of two (2) replacements related to incidental damage/improper use. Nootropics Depot does NOT cover shipping costs of replacements due to damage/misuse.
I purchased this scale about 4 years ago. It is very accurate & also well built. In fact I'm ordering a new one today just because after pushing it thousands of times, the "tare" button doesn't work anymore. I figured I'd just get a new one before another button dies on me. For a $30 scale, I'd say I definitely got my money's worth & I'm here buying another one if that tells you anything.
I ordered to Poland (Europe) It took 12 days from order confirmation to pick up at the post office! The scale had a slight inaccuracy, probably due to the long trip, but it was very easy according to the instructions to calibrate. Packaging very cool - closed with a magnet, everything neatly arranged. My only question is what is the hole in the upper right year for?
Nothing special than any other similar available sacles in the market. Works well. Has a separate button to turn off.
excellent scale, highly would purchase again
this scale is highly acerate
Does the job. Can repeatedly measure within 2 mg. Thats more than I could ask for for the price. The tools and case it comes with are also a bonus.
It's really good scale, pretty accurate compared to a different one I had purchased. Definitely recommend
It was my first time buying a scale and I am happy I bought it. Helpful purchase. Helped me to finally start using bulk powder supplements
Good form factor. It seems to have no span control, to adjust calibration, only tare (which is actually its zero, electronically), so when I noticed that it was no longer linear I ordered another, they're cheap. If it does have a span control I'd appreciate being told how to adjust it. I guess I'll be buying another, soon.
Scale works great. A must have for anyone buying powder.
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