CHAPTER 4 TESTING
Ohaus Corporation www.ohaus.com 30 Navigator Series Service Manual
4.5.3 Linearity Test
This test is used to determine the linearity of the unit throughout its operating range. The masses
used to perform this test can be utility masses.
NOTE:
The scale must pass the Precision and Repeatability Tests, and be calibrated before the
Linearity Test may be performed.
TABLE 4-4 LINEARITY TEST MASSES
NOTE: All masses are nominal values. Be certain to use the same reference mass throughout the
procedure.
2. Place the test mass on the Scale, record the weight and remove.
3. Place Load 1 on the Scale and press TARE.
4. Place the test mass on the Scale, record the weight and remove.
5. Place Load 2 on the Scale and press TARE.
6. Place the test mass on the Scale, record the weight and remove.
7. Place Load 3 on the Scale and press TARE.
8. Place the test mass on the Scale and record the weight.
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