single channel loop detector

Product Description

Loop Detector Specifications (General Format)

1. Power Supply

• Voltage: 110“240V AC or 12“24V AC/DC (varies by model)

• Power Consumption: Typically < 5W

2. Loop Input

• Inductance Range: 20“2000 µH (microhenries)

• Optimal Range: 100“300 µH

• Loop Resistance: < 10 ohms

• Loop Frequency: 20“150 kHz (adjustable to avoid cross-talk)

3. Detection Sensitivity

• Sensitivity Levels: 4 to 10 levels (adjustable)

• Detection Capability: Can detect small metal masses (e.g., bicycles, motorcycles)

4. Relay Outputs

• Output Types: Presence relay, pulse relay, fault relay

• Contact Rating: Typically 5A @ 250V AC

5. Response Time

• Detection Time: 10“100 ms

• Release Time: 100“300 ms (adjustable)

6. Channels

• Single Channel “ One loop input

• Dual Channel “ Two independent loops or one entry/exit configuration

7. Housing & Mounting

• Enclosure: ABS plastic or metal

• Mounting: DIN rail or surface mount

8. Operating Environment

• Operating Temperature: -40C to +70C

• Humidity: Up to 95% non-condensing

• IP Rating: Usually IP40 to IP65 (varies)

9. Functions & Features

• Auto-tuning of loop

• Self-diagnostic (flashes fault LED)

• Permanent presence or timed presence modes

• Pulse on entry or exit

• Sensitivity boost (optional)

ðŸ›ï Optional/Advanced Features

• RS485 or CAN communication (for smart systems)

• Surge protection for loop input

• LED indicators for loop status, fault, and output

• Memory function (retains settings on power loss)