SHENZHEN SINOMATIC TECHNOLOGY CO., LIMITED
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Double coil car entry and exit China manufacturer 4 frequency vehicle loop sensor
1.Principle
It is based on a change in the inductance within the loop,which is caused by the metallic components of passing vehicles.The changes are picked up and evaluated by a microprocessor.
2.Technical Parameter
| Work voltage | AC 220V | Relative humidity | ≤95% |
| Operating Temp | -30℃~75℃ | Storage Temp | -40℃~85℃ |
| Shell | PC+ABS engineering plastic | Installation | DIN rail |
| Dimension | 110*70*118mm | Net weight | 400g |
| Power consumption | <5W | Relay output | DC 24V/3A |
| Frequency range | 20KHz~170KHz | Reaction time | 10ms |
| Sensitivity | 10 grades adjustable | Automatic calibration | 2s~5s |
Pictures
DIMENSION:
Technical parameters
Type:LD-600(double channel)
Operating temp.: -30℃ ～ +75℃
Storage temp.: -40℃ ～ +85℃
Relative humidity: ≤95%
Shell: PC + ABS engineering plastics
Installation: DIN rail
Dimensions: 110×60×100 mm (L×W×H)
Net Weight: 400g
Operating voltages: AC220V±10%
Power consumption:＜5W
Relay output:DC24V /3A
Frequency range:20kHz ～ 170kHz
Reaction time:20 ms
Sensitivity:10 grades adjustable
Loop inductance: Ideal 100µH～300µH Max 50µH～1000µH
Loop conn. Wiring: Max 100m, twisted at least 20 times per meter, total resistance <10 Ohm
Automatic calibration time:2s～5s