1. Triple-Beam Balance
How-to Guide

2. Storing the Triple Beam Balance
Store the Triple Beam Balance with the largest rider (100 g) all the way to the RIGHT.

3. Carrying the Triple Beam Balance
Always carry with TWO HANDS - one on each end of the base. Hold it close to yourself and walk carefully.

4. Zeroing the Triple Beam Balance
1. Be sure that there is nothing on the pan and that the riders are all the way to the LEFT.

5. Zeroing the Triple Beam Balance
2a. If the needle is UP, turn the zero adjustment knob clockwise (turn the top toward you)...
2b. If the needle is DOWN, turn the zero adjustment knob counterclockwise (turn the top away from you)...

6. Zeroing the Triple Beam Balance
...until the needle is pointing directly in line with the balance marker. The balance is now Zeroed.

7. Massing a small object on the Triple Beam Balance
1. Be sure the balance is zeroed.
2. Place the object to be massed on the pan

8. Massing a small object on the Triple Beam Balance
3. Move the 100 g rider all the way to the right so that the needle is DOWN.

9. Massing a small object on the Triple Beam Balance
4. Move the 100 g rider back to the left, one notch at a time, until the needle is UP.

10. Massing a small object on the Triple Beam Balance
5. Move the 10 g rider all the way to the right so that the needle is DOWN.

11. Massing a small object on the Triple Beam Balance
6. Move the 10 g rider back to the left, one notch at a time, until the needle is UP.

12. Massing a small object on the Triple Beam Balance
7. Move the 1 g rider all the way to the right so that the needle is DOWN.

13. Massing a small object on the Triple Beam Balance
8. Move the 1 g rider back to the left until the needle is even with the balance marker.

14. Massing a small object on the Triple Beam Balance
9. Read the masses of the three riders and add them together.

15. Massing a small object on the Triple Beam Balance
10. Note that the 1g scale is divided into 0.1g increments.
Estimate to one more decimal place (0.01g).

16. Massing a large object on the Triple-Beam Balance
1. If the object on the pan has so much mass that all the riders are not enough to balance it, there are extra masses that can be added to the triple-beam balance.

17. Massing a large object on the Triple-Beam Balance
2. These extra masses are equivalent to 500g or 1 kg and can be hung from tabs at the right end of the beams (near the needle).

18. Massing a large object on the Triple-Beam Balance
3. Continue massing as you would with a small object.

19. Massing a large object on the Triple-Beam Balance
Read the masses displayed on the beams as usual, but add on the mass represented by the extra masses. In the example shown, the extra masses total 1000g.

20. End