OHAUS Valor 1000W, Service Manual

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CHAPTER 4 TESTING
Valor
™ 1000W Series Service Manual
4-1 Ohaus Corporation www.ohaus.com
4.1 TESTING
Before and after servicing a Valor 1000W scale, an operational test and various performance
tests should be made to confirm that the scale meets specifications. Turn the scale on and
allow it to warm up for at least one hour before performing these tests.
NOTE:
Make sure the test area is free from drafts and that the scale rests on a level and
vibration-free surface.
4.1.1 TEST MASSES REQUIRED
The masses required to test the Ohaus Valor 1000W scales must meet the requirements of
ASTM Class 4 or OIML F2 Tolerance. The mass values are listed in Table 4-1.
TABLE 4-1. TEST MASS VALUES
Model Weight (g)
V11PW3X 500, 1000, 2000, 3000
V11PW6X 1500, 3000, 4500, 6000
V11PW15X 3000, 4000, 9000, 11000, 15000
V11PW30X 6000, 8000, 15000, 22000, 30000
4.2
Operational Test
1. Connect a functioning Power Adapter to the scale power receptacle located on the
bottom of the scale.
2. Plug the Power Cord into a suitable power source, or power the scale on using
battery power. (Assure that the battery is charged beforehand.)
4.3 Segment Display Test
Turn the scale on, and ensure that all segments are enabled and displayed briefly. The
scale
’s model number appears next, followed by a software revision number. This is a
Segment Display Test. (See Figure 4-1.)
Figure 4-1. Segment Display