Receiver-transmitter unit
- wave length range - 5mm;
- transmitter is designed on the base of generation on
avalanche transit time diode with driving power 50 mVt;
- antenna system cosysts of two receiver-transmitter
horns, the electrical axis of which are get out of plumb for +45° and -45°
(toward-backward).
Measurement unit
- is designed on a base of a low-power, hight-performance
CMOS 8-bit microcomputer AT89C52;
- swapping interface - RS-232. At the customers request
the additional swapping interfaces are RS-485 and "Manchester-2";
- guarantees built-in functional control, which locate
a fault up to structurally independent unit;
- products full range of radar supply voltage;
- emission turn in - with the help of measurement block
toggle switch or after external command logical "1" of TTL level.
Data updating frequency
- movement velocity, path and time of a motion are updated
with the frequency of 10 Hz or 1 Hz;
- discretenessof reading information by customer is defined
by master swapping device. Requirements to the installation on using activity
- installation heigh - 0.5-2 m over the roadbed;
- error of receiver-transmitter unit installation angle
(relatively to horizontal plane) is not more then +-1°.
Usage parameters
- when installing radar on using activity recalibration
on l-kilometer flat section of road is necessary. Limit of road adjustment
accuracy is 3·10-3 m.;
- customer’s software (for IBM compatible computers)
for radar recalibration and testing is available. Software for IBM-compatible
computers which permit radar initialization and adjustment, control its
type of operation, represent output information, accumulates and processes
input data is also delivered.
Accuracy parameters
- relative error of movement velocity measurement (root-mean-square
deviation) - 0.1%;
- relative error of path of motion measurement (root-mean-square
deviation) - 0.1%;
- relative error of time of motion measurement (root-mean-square
deviation) - 10-3.
Supply voltage
- 12 V or 24 V DC
Input power
- not more than 30 VA
Dimensions
- receiver-transmitter unit - 185×140×65 mm;
- measurement unit - 330×225×70 mm.
Environmental specifications
- operating temperature: -50°C ... +50°C;
- storage temperature: -60°C ... +60°C.
Time multiplexed mechanical impact
- 5 - 10 ms duration;
- peak impact acceleration - 20g.
Vibration
- operating 5 g within the range of 10-200 Hz
Atmospheric precipitation
- intensity - 5 mm per hour
Marine fog
- water content - 2-3 g/m.