Lab Mechanical Balance Scale Double Pan Balance Scale Balance Tray Table Mechanical Balance Scale for Laboratory School

Lab Mechanical Balance Scale Double Pan Balance Scale Balance Tray Table Mechanical Balance Scale for Laboratory School Package size: 20.8cm x 15.5cm x 9cm 8.2 inch x 6.1 inch x 3.5inch Weight: 1.2lb Package list: 1 x Tray Balance 1 x Tweezers 1 x Weight 5g 1 x Weight 10g 2 x Weight 20g 1 x Weight 50g 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 Kindly note: Due to lighting effect, displayer ‘s lightness and manual measurement there could be some slight different in the color and size between the photo and the actual item. Hope you understanding!