CHAPTER 4 - TESTING
Explorer
®
Series Service Manual 51 Ohaus Corporation www.ohaus.com
Procedure:
1. Set AZT (Auto Zero Tracking) to off. This setting is located in Menu - Balance Setup - AZT
menu.
2. Place the test weight in the center of the Weighing Pan.
3. Tare the balance.
4. Move the weight to location A and record the reading (when stability indicator comes on).
5. Move the weight to location B and record the reading.
6. Move the weight to location C and record the reading.
7. Move the weight to location D and record the reading.
8. Maximum allowable change in displayed weight readings for each of the four positions can be
found in Specifications Tables (Chapter 1). If this maximum is exceeded verify the test
conditions and retest the balance. If there is no improvement the load-cell must be replaced.
Note: In high resolution balances (Class I) it may be necessary to zero or tare between each
location.
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