Ohaus NBF1A2 Navigator Balances - Manual (Page 37)

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4.10 Custom Unit
Custom Unit is enabled when Custom Unit Setup under Units Menu is turned ON. 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 scientific notation and entered
into the balance in three parts:
•
a factor between 0.1 and 1.99999
•
a power of 10 called the exponent
•
a least significant digit (LSD)
SCIENTIFIC NOTATION
Number
Between
Conv. 0.1 and Power Factor
Factor 1.99999 of 10 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
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 Leaves decimal point
in 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.
Procedure
• Press the Setup button.
• Press button until CUSTOM is displayed.
• Press Enter button to save setting, FACTOR is
displayed.
• Press Enter button, The factor of the current conver-
sion factor is displayed. This is a number between
0.1 and 1.99999 with the first digit flashing. For con-
version factors outside of this range, the exponent
will be used to move the decimal point.
• Press buttons to change values, press
buttons to advance to next digit and enter a 6 digit
number for the conversion factor.
• Press Enter button, EXP (exponent) is displayed.
• Press Enter button, 0 (exponent) is displayed.
• Press or button and select exponent value
either -3, -2, -1, 0, 1, 2, or 3.