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HHNIULI 200g Balance Scale for Classroom, Laboratory Mechanical Tray Balance Scale Laboratory Teaching Tool Tray Balance with Tweezers and Various Weights for Laboratory

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$16.79

$ 7 .99 $7.99

In Stock

About this item

  • FEATURES: Suitable for science lab and classroom, it is an ideal teaching tool;( Before use,Please remove take out the black protective cover of the tray at both ends of the balance.)
  • HIGH CALIBRATION ACCURACY: Clamp the weight with tweezers to keep it clean and accurate, the weights are stored in the box for better protection of the weights so that the results are more accurate;
  • SPECIFICATION: 200g Maximum weighing,0.2g readability, weighing tray diameter 85mm;
  • PRODUCT SIZE: 7.80" L x 3.35" W x 5.79" H; it is easy to operate and carry;
  • OFFERING HELP: We care for every customer's feeling, if you need any help with laboratory tray balance equipment, please contact us.


Package size:
20.8cm*15.5cm*9cm
8.2 inch *6.1 inch *3.5inch
Weight: 645g /1.42lb


Package list:
1 * Tray Balance
1 * Tweezers
1 * Weight 5g
1 * Weight 10g
2 * Weight 20g
1 * Weight 50g
1 * Weight 100g


Instructions:
1.When using the balance, it should be placed on the flat workbench
2.Move the rider to the “0” point on the left end of the ruler: The pointer should be aligned with the center line of the header to obtain balance. Otherwise, the balance nut on the lever should be turned to adjust the balance
3.After the balance is adjusted, place the object to be weighed in the left tray, use tweezers to add weight from large to small in the right tray, try to put the item and weight in the center of the tray, when the weight is increased or decreased to the minimum mass, the weight is still unbalanced, the rider can be balanced. the mass of the object is equal to the sum of the mass of the weight and the mass of the rider.
4.After weighing, the rider should be returned to zero scale and the weight should be put back into the box


Esdras Oller
Reviewed in the United States on January 30, 2023
útil en la escuela, es para que los alumnos tengan oportunidad de acercarse a las medidas y pesos de los objetos en gramo básicamente.
melissa hummer
Reviewed in the United States on November 9, 2022
Nothing like what I expected. This scale is so small, and it will not balance. Even the plastic is messed up. Lesson with this one is you get what you pay for.
C. Reed
Reviewed in the United States on November 18, 2022
I have to say I was disappointed. I expected it to be a bit more substantial. The trays are very thin, light plastic, small :see Christmas lite bulb on tray. The trays sit on thin plastic X's. It is flimsy like an old 60's toy. All writing on front in Chinese. Base is metal,hollow and sounds hollow. It will be fine for a vignette at Halloween after I "age "it a bit and get new metal trays, if I can find small ones. Just good to age and use as a visual on a potion display.
Arpit Christian
Reviewed in the United States on August 22, 2021
Good teaching tool
Tim Foglesong
Reviewed in the United States on July 27, 2021
Way too small. Boasts to the ability to weigh 200g, it won’t even hold 10g. Total waste of money!
jerry savoian
Reviewed in the United States on June 19, 2021
Product is so cheaply made it i almost useless. I decided to keep it because a good one is way too expensive for what I am trying to do and hopefully it will get the job done.
AEB52
Reviewed in the United States on March 12, 2021
Easy to use, well made.
Andrew Harsch
Reviewed in the United States on January 28, 2021
do not waste your money. very cheap, made in China, did not come with tweezer or WEIGHTs, so not functional scale. poorly made, box was all mangled and partially open
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