Flag
Sample
Balance Beam
Tare
loop
“A”
loop
“B”
loop
9
SAMPLE POSITIONS
There are three fine metal loops attached to the balance beam (see Figure 6). Samples and
counterweights are suspended from these by means of stirrups and pans. The sample
suspensions are referred to as A, B and TARE loops. The A and TARE loops are equidistant from
the pivot point of the beam. The A sample loop is at the end of the forward facing beam and has a
maximum capacity of 1.5 grams. The TARE loop is at the opposite end of the beam and also has
a maximum capacity of 1.5 grams. The B loop is 1/5th the distance from the pivot point as
compared to the A loop. It is for sample loads up to 3.5 grams. This A and B loop information is
needed for selecting the proper RANGE.
Figure 6: Balance Beam
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