EMX MRD-1P OVERVIEW
The MRD-1P Radar Presence Sensor from EMX Industries is a highly accurate, durable solution for detecting vehicles or pedestrians near barrier arms.
Features of the MRD-1P Radar Sensor
- Accurate detection of vehicles and pedestrians
- Configurable detection range: 1 ft to 30 ft (0.3 – 10 m)
- Precision measurement: down to 0.04″ (1 mm)
- Works in all weather conditions (rain, snow, fog, ice)
- Form C relay outputs for versatile signaling
- Solid-state relay outputs for pulse-on-entry / pulse-on-exit
- Full-feature menu with pushbuttons and 3-digit display
- Detachable screw terminal block for easy wiring
Relay outputs include:
- Presence Relay: NC terminal opens when an obstruction is present, NO terminal closes when an obstruction is present
- Pulse Relay: Configurable for Pulse on Entry, Pulse on Exit, or none
- Configurable hold and pulse times
MRD-1P Radar Sensor Specs
| Operating Range | 1 ft (0.3 m) to 30 ft (10 m) |
| Power | 6-40 VDC, 12-24 VAC |
| Current | 40mA max (24VDC input) |
| Surge Protection | Thermal fuse, MOV |
| Relay 1 Output Operation | Close on Presence, Open on Presence |
| Relay 2 Output Operation | Pulse on Entry, Pulse on Exit |
| Response Time | 30ms |
| Operating Temperature | -40° to 140°F (-40° to 60°C) |
| Dimensions (L x W x H) | 5.1” (130 mm) x 3.15” (80 mm) x 5.5” (140 mm) |
| Ball Joint Mount Conduit Thread | ½ Inch NPT |










