ADS Environmental Services Model 3600 530002 A2 - Manual (Page 121)

Features and Specifications A-3
Methodology Depth and Velocity Flow Measurement
The monitor activates flow sensors to take readings to determine the depth and velocity
of the flow
The monitor scans and stores sensor readings at prescribed intervals (such as every 15
min).
The monitor evaluates the ultrasonic sensor readings, discarding those which are clearly
erroneous, and performs error checking and correction operations on the data
The monitor records the distance between the ultrasonic sensor and the flow; this data is
converted into flow depth and velocity measurements by QuadraScan.
Optional Functions
The sample output is an optically-isolated open collector output, normally used to control
an external flow proportional sampler; the output is controlled by BASIC code.
Event Notification
Inputs and
Outputs
The monitor supports any or all of the following numbers and types of input and output
devices:
one ultrasonic depth sensor input,
one Doppler velocity sensor input,
one pressure depth sensor input,
one sampler output, and
one rain gauge input.
Standard
Configurations
and
Configuration
Part Numbering
Forty-eight standard software configurations are available to allow a monitor to fit a
particular application.
The configuration is specified by suffixes added to the part number,
3600-Lx-Vx-Px-yz:
3600 represents the model number;
Lx represents the number of depth (ultrasonic and pressure) interface boards (0 or
1);
Vx represents the number of Doppler velocity interface boards (0 or 1);
Px represents the number of pressure sensors (0 or 1), and
yz represents the use of the auxiliary input and output:
S equals the programmable discrete output (sampler control);
R equals the rain gauge/accumulator input;
SR equals the programmable discrete output and rain gauge/accumulator input,
and
No entry means that neither the auxiliary is input nor the output is used.