Press Key 4 once to display the DATA LOG CONTROL screen
1) Clear Data Log
2) View Data Log
ENT) Exit
Warning!!!! Pressing key 1 will clear all the readings from the Data Logger
Press key 2 to view all the data in the data log on the PQI display screen.
Data Log Size: 22
Up/Down to select
ENT to exit
Pressing the Up or Down arrow keys displays the previous or next set of
readings.
[01]
Loc 0300+0150
06/23/2000
22:54:26
H2O: 3.1
T:186.4
DENS: 156.7Lb
• The first row displays the record number [1] and the location.
• The second row displays the time and date the reading was made.
• The third row displays the H2O and temperature.
• The fourth row displays the average density reading.
Pressing the
Enter
key returns the display to the previous menu.
3.7.5 Segregation Mode
Segregation is the separation of the course and fine aggregate particles in the
asphalt mix. A segregated mix will usually result in density fluctuations in the
finished mat. The PQI’s Segregation Mode can be used to conveniently measure
the density variations that result from mix segregation.
The operation of Segregation Mode is patterned after test procedures used by a
number of testing organizations. The PQI is used to take a number of readings
at predetermined location on the mat and the variations in the readings are
calculated after all readings have been taken.
22
Summary of Contents for PQI 301
Page 1: ...Pavement Quality Indicator Model 301 Operators Handbook ...
Page 36: ... ...