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Fields for table: DLR_OH_PRESSURE_CONFIG_AC

Field NameCodesData TypeUnitsTest ProtocolDescription
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
POST_GAIN

NUMBER(3)


Post Analog to Digital (AD) conversion amplification.
MEGADAC_FILTER
MEGADAC_FILTERNUMBER(1)


Code for type of filter applied by the MEGADAC system.
FULL_SCALE_MAX_P

NUMBER(8,1)
kPa

Maximum value that can be recorded by the pressure gauge.
FULL_SCALE_MIN_P

NUMBER(8,1)
kPa

Minimum value that can be recorded by the pressure gauge.
GAUGE_RESOLUTION

NUMBER(3,2)
kPa

Minimum recordable value for the sensor based upon excitation and amplification.
EXCITATION_SOURCE

VARCHAR2(10)


Source of the excitation.
EXCITATION_VALUE

NUMBER(2)
V

Magnitude of the excitation.
SENSITIVITY_MV

NUMBER(4)
mV

Calibration sensitivity of the sensor for transforming the raw voltages to engineering units x 10^6.
SENSITIVITY_VOLTS

NUMBER(3)
V

Supplied voltage to the sensitivity equation.
X_AC

NUMBER(4)
mm

Longitudinal distance to the sensor in the direction of traffic from referenced LVDT gauge.
SHRP_ID

VARCHAR2(4)


Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
Y_AC

NUMBER(4)
mm

Transverse distance from the shoulder joint to the sensor.
Z

NUMBER(5,1)
mm

Sensor depth below pavement surface.
COMMENTS

VARCHAR2(80)


An unformatted field for the comments pertaining to the information stored in the table.
SENSOR_LAYER_NUMBER

NUMBER(2)


Layer number in which the sensor is installed.
TEST_NAME

VARCHAR2(7)


Character string that uniquely identifies each series of test traces.
TAG_ID

VARCHAR2(8)


Descriptive tag given to the channel within the data collection software.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.
CHANNEL

NUMBER(3)


The channel number on which the sensor is wired.
BALANCE
Y_NVARCHAR2(1)


Code indicating whether or not the individual channel was balanced prior to testing - Used with the auto balance function to electronically balance the sensors prior to testing.
INPUT_CARD

VARCHAR2(10)


Type of data acquisition card the MEGADAC uses for connecting the sensor.
CARD_GAIN

NUMBER(3)


Pre Analog to Digital (AD) conversion amplification.