Arizona MAX-5000XL ユーザーズマニュアル

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Page 70 of 92 

 
Periodic checks of the system are recommended to verify proper system operation.  
These periodic checks will satisfy some quality assurance requirements as specified in 
your quality assurance/control policy.  A log is recommended, either hand written or 
computer managed, which will record the weight test results, sodium tartrate test results, 
and retained samples’ results.  Shifts in results that are out of range can be quickly 
detected and the appropriate corrections made. 
 
For maximum accuracy, let the system warm up until the balance is temperature stable 
before performing any testing 

(See section “6.1 Balance Temperature Stability” on page 

64). 
 
 

The weight test, as described in the section beginning on page 22, simulates moisture 
loss with the removal of one of two known weights.  This test may be used as part of your 
control verification program: 



  At the interval established by your quality assurance/control program; 



  Any time the unit is moved, the power switched off, the instrument is jarred or 

bumped; and/or 



  If there is any concern about the accuracy of the instrument.