Campbell Scientific PST3/PST8 Pump and Slug Test System - Manual (Page 7)

SECTION 1. HARDWARE
FIGURE 1-6. Test Configuration Switches
Method of Recording Data
Recording Time
If Elapsed Time has been selected it can be recorded as:
Water Level Reference
DELTA
Time and water level are recorded whenev-
er the level changes by a specified delta
value. The USER selects the delta value.
Default is 0.25 (feet or meters). See Sec. 4
for details.
ELAPSED TIME
Time is recorded as the time ELAPSED
since the beginning of the test.
MIN.00
.XX is the fractional portion (base 10) of a
minute. Useful for importing into analysis
programs like Interpex Aquix or Slugix or
Gerraghty and Miller's Aqtesolv.
UNADJUSTED LEVEL
The water level measured by the transducer
in each well based on the multiplier AND
offset set in *4 mode. An example would
be the water level referenced to mean sea
level.
LOGARITHMIC
The sensors are scanned and data are
recorded on a logarithmic time sequence.
See Sec. 4 for details.
CLOCK TIME
Time is recorded as clock time (day, hour,
minute, second).
MIN.SEC
Minutes and seconds.
0.0 DATUM
The pre-test measured water level is
recorded and used as a 0.0 datum.
Subsequent readings are recorded as a
change from that point. A decreasing water
level is recorded as a positive change.
Example: With a 0.0 datum a water level
which has been lowered by 10.4 feet, the
level is recorded as +10.4 ft. The 0.0
datum requires a correct multiplier for each
pressure transducer, but the offset is NOT
used.
NOTE: The PST clock must be set after the unit is turned on. See Sec. 3.2.
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