Before you start, remember to match the numbers on the

Back of the Balance

Bottom of the Pan

Bottom of the Swing

To zero the balance:

Push riders all the way to the left

Turn the dial to zero

Turn the knob at the left

To line up the pointers on the right

Place the object on the pan. Finding the

Mass

Move the riders making sure they sit in the notches

Turn the knob

Until the pointers

line up

1. Count the marks to the

RIGHT of the zero line.

2. Numbered marks are grams.

3. Small hash marks are tenths (.1) of grams

This balance shows 4 grams

This balance shows 7 tenths or .7 g.

So far we have:

4.7 grams

The top scale measures hundredths (.01) of grams

When the zero mark is

between tenth marks on the dial, you then read the

hundredths scale.

Which mark on the hundredths scale

Makes the best straight line with a mark on the dial?

You must look straight on at the dial

to match lines correctly. These two marks seem joined the

best to make a straight

line.

Count from the zero line on the top scale to find

how many hundredths

.01

.02

.03

.04

.05

.06

This scale shows:

.06 g

Add all the values together

for the mass.

.06

.7

4

4.76

This dial shows:

4.76 g

That’s it!

Now you can read a

Dial-a-Gram Balance!

Oh wait -- don’t forget to add any riders you moved. hundred

stens

(this is set at 50 g)Back to the

beginningBack to

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