Fairbanks 2800 Series Intrinsically Safe Instrument - Manual (Page 25)

Section 2: Operation
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2.3.3. GROSS WEIGHING
1. Press the key to select Gross as indicated by the legend.
2. With the platform empty, press the key.
─ The display indicates ZERO .
─ The Center-of-Zero ( CZ ) legend appears.
3. Place the object to be weighed on the scale platform.
─ The weight of the object displays.
─ The instrument is only able to measure the weight on the platform.
─ The instrument can not tell if the weight is from the object to be weighed or
from some other objects left on the platform.
─ The operator must tell the scale when there is nothing on the platform to
weighed by pressing the key.
─ The instrument will assign whatever weight happens to be on the platform a
zero weight value.
─ Starting with an empty platform is not required.
─ The key sets the display to "
0 ", regardless of what is on the platform.
─ Weighing in the Gross mode consists of pressing the key and
placing a weight on the platform.
─ The display shows the Gross Weight of the object.
─ The instrument understands Gross Weight as the total weight placed on the
platform after the key is pressed.
2.3.4. TARE WEIGHTS
Tare weight is operator-defined. There are two methods to input a tare weight value.
Keypad Tare Entry
Assign the tare weight value using the numeric keypad, then press the
key. The instrument will change to the Net Weighing mode, and display the Gross
Weight less the Keypad Tare weight entry.