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Vehicle Loop Detector:
Functions & Features :
1) Reset Switch : The reset switch enables the detector to be manually reset during
registering and testing and it is a process of system recovery;
2) Selectable Pulse Time : This feature sets the length of time that the pulse relay will be lasting for 1 Second or 0.5 Seconds ;
3) Pulse Relay Selection : The Pulse Relay may be configured to energize on detection of a vehicle or when the vehicle leaves the loop;
4) Sensitivity Reinforcement : This feature sets the un-detecting level to a maximum sensitivity to prevent failing to detect vehicles as big trucks;
5) Switch Sensibility Adjustable : 4 sensitivity setting are available on the switches to change sensitivity ;
6) Switch Frequency Adjustable : 4 frequency settings are available to prevent signal interference with neighboring loops ;
7) Filtering Option : This option is used to provide a delay between detection of the vehicle and switching of the output relay . This relay is normally used to prevent false detection of small or fast moving objects ;
8) Permanent Presence Option : This feature ensures the detection of the vehicle will be maintained when the vehicle stays within the loop area for extended periods
Technical Data:
| Supply voltage | AC110V or 220V |
| Voltage tolerance AC | +10% / -15% |
| Voltage tolerance DC | ±15% |
| Power Consumption | 4.5VA |
| Operating temperature | -20°C to +65°C |
| Storage temperature | -40°C to +85°C |
| Frequency range | 20 kHz to 170 kHz |
| Reaction time | 10ms |
| Signal lasting time | Unlimited / limited when loop is permanently covered 10 minutes |
| Sensitivity | Adjustable |
| Loop inductance | Total loop plus connection wiring: 50μH to 1000μH; Ideal is 100μH to 300μH |
| Loop connection wiring | Maximum length 20 meters, twisted at least 20 times per meter |
| Dimension | 78x40x108 mm (L x W x H) |




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