AAA Sales & Engineering: Presence Detectors

P-Tech Loop Presence Detector	download sales sheet \| view models

The P-TECH, a cost-effective presence detector designed for a wide variety of universal rail applications. P-TECH can handle a large range of loop sizes from 20 ft. to over 100 ft. The P-TECH features 4 selectable frequencies, with options available for expansion to 12.

For reliable fail-safe operation, P-TECH is engineered with a unique safety feature – in the event of a power loss or a fault on the detector, presence will be indicated to alert the operator of a potential problem.

AAA will offer the P-TECH in several options. A small metal enclosure (as shown), a large plastic enclosure, a battery back-up option and a modular design to replace/fit the Harmon PD2500 enclosure.

P-Tech
Signal out-put	DPDT relay 5A max (Sink or Source)
Power Options	12 ~ 24 VDC Temperature Range: -40°F – 150°F
Current Draw	100 mA max.
Surge Protection	Gas discharge MOV
Loop Type	Multi conductor or bond strand
Loop Size	20' to 150'

Features and Benefits
- Meets power supply requirement 12 - 24 VDC
- Temperature range of -40° F to 150° F
- Easy to install
- Automatically tunes the loop at power-up and reset
- Works well with existing loops in good condition
- Robust operation
- MOV, gas discharge, and silicone surge protection
- Ultra-bright LED indicators
- Several mounting options available

Features and Benefits