MIL-HDBK-1005/16
Table 19
Advantages and Disadvantages of Manual and
Automatic Sampling
Type
Advantages
Disadvantages
Manual
Low capital cost
Probability of increased
variability due to sample
handling
Compensate for various
Inconsistency in collection
situations
Note unusual conditions
Inefficient use of labor
No maintenance
Repetitious and monotonous
task for personnel
Can collect extra samples
in short time when
necessary
Automatic
Consistent samples
Considerable maintenance
for batteries and cleaning;
susceptible to plugging by
solids
Probability of decreased
Restricted in size to the
variability caused by
general specifications
sample handling
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