Custom unit or volume selection, Menus – Ohaus GT Series Electronic Balance User Manual

Page 88

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49

MENUS

Custom Unit or Volume Selection

Custom Unit or Volume Selection

Custom Unit or Volume Selection

Custom Unit or Volume Selection

Custom Unit or Volume Selection

Custom Unit is enabled when Unit 3 under Unit Selection is selected. This feature can
be used to create your own custom weighing unit. It permits entering a conversion
factor which the balance will use to convert grams to the desired unit of measure.

Conversion

Weight

Weight

Factor

x

in

=

in

grams

custom unit

Conversion factors are expressed in scien-
tific notation and entered into the balance
in three parts:

a number between 0.1 and 1.999999
called the mantissa

a power of 10 called the exponent

a least significant digit (LSD)

SCIENTIFIC NOTATION

SCIENTIFIC NOTATION

SCIENTIFIC NOTATION

SCIENTIFIC NOTATION

SCIENTIFIC NOTATION

Number

Number

Number

Number

Number

Between

Between

Between

Between

Between

Conv.

Conv.

Conv.

Conv.

Conv.

0.1 and

0.1 and

0.1 and

0.1 and

0.1 and

Power

Power

Power

Power

Power

Man-

Man-

Man-

Man-

Man-

Factor

Factor

Factor

Factor

Factor

1.999999

1.999999

1.999999

1.999999

1.999999

of 10

of 10

of 10

of 10

of 10

tissa

tissa

tissa

tissa

tissa

Exp.

Exp.

Exp.

Exp.

Exp.

123.4

= .1234 x 1000 = .1234 x 10

3

12.34

= .1234 x 100 = .1234 x 10

2

1.234

= .1234 x

10 = .1234 x 10

1

.1234

= .1234 x

1

= .1234 x 10

0

.01234

= .1234 x

.1

= .1234 x 10

-1

.001234 = .1234 x .01 = .1234 x 10

-2

.000123 = .123

x .001 = .123

x 10

-3

EXPONENTS

EXPONENTS

EXPONENTS

EXPONENTS

EXPONENTS

E-3

Moves decimal point 3
places to the left.

E-2

Moves decimal point 2
places to the left.

E-1

Moves decimal point 1
place to the left.

E0

E0

E0

E0

E0

Leaves decimal point in

Leaves decimal point in

Leaves decimal point in

Leaves decimal point in

Leaves decimal point in
normal position.

normal position.

normal position.

normal position.

normal position.

E1

Moves decimal point 1
place to the right.

E2

Moves decimal point 2
places to the right.

E3

Moves decimal point 3
places to the right.

1. Access the

submenu under the Setup Options menu.

2.

.

3.

.

The mantissa of the current conver
sion is displayed. The mantissa of
the current conversion factor is dis
played. This is a number between
0.1 and 1.999999 with the first digit
flashing. For conversion factors
outside of this range, the exponent
will be used to move the decimal
point.

4.

changes first digit.

5.

.

next digit flashes.

6. Repeat steps 4 and 5, and set

value of all digits.

7.

to backup for errors.

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