OHAUS Valor 7000 Service Manual

Also see for Valor 7000 series: Instruction manual Instruction manual Instruction manual Instruction manual User guide

CHAPTER 4 TESTINGValor™ 7000 Series Service Manual 4-3 Ohaus Corporation www.ohaus.com4.4.2 Repeatability TestRepeatability is the Standard Deviation of a set of similar weight readings.Requirements:– To perform this test a single mass must be used for all readings.– The test mass should be approximately ½ of the capacity of the instrument.– Wear gloves when handling the mass.Before starting a repeatability test, set up the instrument as follows:Set Up:Follow the steps in Appendix A, Section A-2, Setup and Calibration.Record Settings:Zero Tracking Setting = ____________Displayed Units = ____________Mass Used = ____________TEST PROCEDURE:1. Zero the instrument, if it does not read zero.2. Using a test mass approximately half the capacity of the instrument, place the mass onthe center of platform. Record the reading on the worksheet provided.3. Remove the mass from the platform.4. Repeat this test starting at Step 1 until you record a total of ten readingsFill in the worksheet (Table 4-2) with the ten (10) readings.