Loop Vehicle Detector

LD170 Single-Channel Loop Detector

A compact, field-proven detector designed for dependable vehicle sensing in parking, access, toll, and gate control applications.

LD170 single-channel loop detector

Professional Detection Performance for Daily Operation

The LD170 is built for installers and operators who need stable vehicle detection, clear diagnostics, and flexible output logic in a compact housing. Its LED display and field-adjustable settings help speed up commissioning and troubleshooting on site.

1
Reliable Sensing

Stable performance for parking, gate, toll, and access applications.

2
Clear Diagnostics

3-digit LED display supports fast setup and easier fault identification.

3
Flexible Outputs

Presence, pulse-on-entry, pulse-on-exit, and selectable pulse timing.

4
Field Friendly

Self-tuning and automatic recovery reduce maintenance time.

Key Features

  • Single-channel inductive loop detector with compact housing.
  • 3-digit, seven-segment LED display for direct loop and status diagnostics.
  • Loop frequency can be read directly from the display.
  • Self-tuning and environmental tracking for dependable long-term operation.
  • Automatic recovery after intermittent loop faults or self-healed loop conditions.
  • Normal and inverse modes selectable in the field.
  • Three LED indicators for detect, power, loop fault, and relay status.
  • ABS enclosure with optional IP65-rated protection.

Typical Applications

  • Parking entry and exit control
  • Barrier gate and fence systems
  • Access control systems
  • Toll and traffic control systems

Output Configuration

Output A is a presence output with extension from 0 to 31 seconds over 30 levels.

Output B is programmable for presence, pulse on entry, pulse on exit, and four selectable pulse-time settings.

Technical Specifications

Operating Voltage12-24V AC/DC or 110-230V AC
Power Consumption< 2W
Relay Output5A / 48V, 10A / 110V
Loop Inductance Range20-2000uH
Loop Frequency20-100kHz
Sensitivity0.01% deltaL
Response Time20ms
Detection ModesPresence, pulse on entry, pulse on exit
Housing MaterialABS plastic
Protection RatingIP65
Connector11-pin Amphenol
Operating Temperature-20 C to +80 C
Dimensions / WeightPlease contact PSM for the complete dimensional drawing and shipment data.

Need More Technical Details?

Download the catalogue or contact our team for project advice and full installation support.

Download Catalogue PDF Contact Our Team
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