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CVD-107 Security Sensor


Security detector CVD -107 (hereinafter referred to as the detector) is intended for use as a security alarm system, and provides for detection of a person crossing the detection area (hereinafter referred to as DA), and is characterized by a small width of required exclusion area.

The detector components:

  • transmitter (Tx) - 1 pc.;
  • receiver (Rx) - 1 pc.

Structurally, the receiver and transmitter are made in sealed plastic bodies equipped with a mounting bracket. The bracket design provides for orienting the receiver and transmitter in space and rotating the body by an angle of ±10° in any direction.

Tx and Rx are located on the opposite sides of secured area.  Tx emits electromagnetic waves in the direction of Rx. Rx receives these waves, converts them into an electrical signal, and analyzes this signal.

A person, when crossing DA, causes the signal modulation at Rx input, which in its turn generates an alarm. The signal modulation depth and signal waveform depend on the height and weight of the person crossing the site, the site topography and movement speed.

The technical feature of the detector is a narrow antenna directional pattern. This feature provides for increased immunity to moving objects in the immediate vicinity of DA axis. A relatively high operating frequency also determines the small width of DA.

Security detector CVD-107 has patent of invention No.2603953.

Scope of Application

Security detector CVD-107 is used as a part of perimeter and long border security systems.

Parameter Value
Operating frequency, MHz 24125±125
The speed of intruder moving in “standing” or “bending” position, at which the detection is carried out, m/s from 0.1 to 10.0
Remote control signal parameters:
‒ pulse voltage, V;
‒ pulse duration, s, min.

DA length, m 5-300
DA width at equidistance from units with maximum detection range, at least, m 3
Received signal level margin at maximum DA length, at least, dB 6
DA height at equidistance from units with maximum detection range, at least, m 3.0
Uncertain detection area length at distance from Tx and Rx units, max., m 2.0
DC power voltage, V from 10 to 36
Permissible ripple supply voltage amplitude, max., V 0.03*
Current consumption with 12V power supply voltage, max., mA:
a) Tx
b) Rx

Readiness time after power-on, max., s 45
Restoring time of standby mode, max., s 10
Parameters of the signal switched by the output contacts of “ALM” and “Tamper Sensor ALM” circuits:
‒ DC or AC, max., mA
‒ amplitude voltage, max., V

Alarm duration, min., s 2
Detection probability, min. 0.99
Mean time between failures, min., h 60,000
Detector communication interface RS-485
Mean time between false alarms, at least, h 1200
Informational contents of the detector via loop 4
Informational contents of the detector via RS-485 bus 19
Operating temperature range, °С -40...+70
Overall dimensions of each unit, max., mm 210x210x100
Detector shipping weight, max., kg 1.3
* - Higher ripple supply voltage amplitude may cause performance degradation.