CALIBRATION CYCLE
The analyzer requires periodic performance verication to remain in calibration. The frequency
of performance verication depends on the operating and environmental conditions under
which the analyzer is used. Verify the analyzer's performance at least once a year using the
performance tests contained in this manual.
CALCULATION SHEET AND PERFORMANCE TEST RECORD
The Calculation Sheet and Performance Test Record tables are provided in Chapter 3 and
Chapter 4.
Calculation Sheet
Use the calculation sheet as an aid for recording raw measurement data and calculating the
performance test results. Calculation sheet entries are provided only for performance tests in
which calculations are required to obtain the test results.
Performance Test Record
The performance test record lists all test points, acceptable test limits, and measurement
uncertainties (if applicable). The measurement uncertainty shows how accurately the
analyzer's specications are measured and depends on the test equipment used. The listed
measurement uncertainties are valid only when the recommended equipment is used.
How to Use
The following procedure is recommended when using the calculation sheet and the
performance test record:
1. Make extra copies of the calculation sheet and the performance test record.
2. Follow the performance test procedure and record the measured data in the specied
column in the calculation sheet. For tests where no calculation sheet entry spaces are
provided, record the measured values directly in the performance test record.
3. Calculate the test result using the appropriate equation given in the calculation sheet.
Record the test results in the Test Result column in the calculation sheet.
4. When appropriate, copy the test results from the calculation sheet to the performance test
record.
5. Keep the performance test record for tracking gradual changes in test results over long
periods of time.
1-4 General Information
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