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AZI Customer Service 800-528-7411 or 602-470-1414 Page 64 of 92
6. SAMPLE PREPARATION, TESTING AND ANALYSIS
6.1. Balance Temperature Stability
The force balance in the MAX 5000XL is most accurate in a stable temperature
environment. To maintain a constant balance temperature, whether the instrument is
testing or idling, the instrument heats the balance at initial power-up and maintains the
balance temperature at all times.
The balance temperature stability icon is
in the lower left corner of the LCD when
viewing the main screen. It is a triangle
with a line on top. A horizontal line
indicates that the balance is temperature
stable. A tilted line (as shown in the
picture) indicates that the balance
temperature is changing.
Upon first power up, the instrument may
take 2 hours to stabilize the balance at an
elevated temperature. If the instrument is
toggled off and back on, the new balance
warmup period may be 20 minutes to 1
hour. All Computrac Moisture Analyzers are recommended to be left turned on when not
in use, so the balance warmup should not affect throughput after the initial stabilization
period.
The first ashing test after a power up may increase the balance temperature slightly, and
the warmup message may be displayed again for up to 1 hour after the first test. The
message generally goes away while the instrument is cooling down and before it is ready
for the next test.
Generally, balance calibration and low moisture/solids/ash testing (<1%) should be
delayed until the balance temperature stabilization is complete, as indicated by the
temperature stable icon .