Hardy Floor Scales User Manual download pdf (Page 21)

Hardy Floor Scales

Material

Substitution:

• When certified test weights are not available

you can use an accurately weighed material

instead.

• The material must be weighed on a second-

ary, calibrated scale and delivered to the site

of the primary floor scale for calibration.

• The secondary calibrated scale should be of

the same accuracy or greater and have a

capacity approximately equal to the primary

floor scale.

SCALE VERIFICATION Step 1. Get a test weight that is equal to 10% of

the full scale capacity.

Step 2. Place the test weight at Position #1 on the

platform. (See Fig. 10)

FIG. 10 SCALE VERIFICATION/POSITION #3

Step 3. Write down the weight for position #1.

Step 4. Place the weight at position #2.

Step 5. Write down the weight for position #2.

Step 6. Place the weight at position #3.

Step 7. Write down the weight for position #3.

Step 8. Place the weight at position #4.

Step 9. Write down the weight for position #4.

Step 10. Check all the readings. If all the readings

are within an acceptable tolerance, no re-

calibration is required.

Position #3

Position #4

Position #2

Position #1

Summing Box

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Hardy Floor Scales User Manual Page 21