EMX-2663-1 ULTRA-II Vehicle Loop Detector with Detachable 7-Pin Terminal Block
The ULTRA-II vehicle loop detector is a compact and energy efficient solution designed for reliable vehicle presence detection in access control and parking applications. It features a detachable 7 pin terminal block for easy installation and setup, along with a sensitivity display that simplifies calibration. Multiple frequency settings help reduce interference in multi loop environments, while automatic sensitivity boost improves detection of high bed vehicles. Fail safe and fail secure operation ensure dependable performance in critical installations.
- Detachable 7 pin terminal block for quick installation
- ULTRAMETER sensitivity display for precise adjustment
- Automatic sensitivity boost prevents vehicle dropout
- Fail safe loop detection and fail secure power loss operation
- Four selectable frequencies reduce crosstalk interference
Features a compact, energy-efficient design for space-saving installations and reduced power consumption.
Includes a detachable 7-pin terminal block for easy setup and wiring.
Equipped with ULTRAMETER™ sensitivity display, providing 10 sensitivity settings for precise detection tuning.
Offers both fail safe (loop failure) and fail secure (power loss) modes for enhanced safety and reliability.
Provides relay output for vehicle presence or pulse on entry, supporting versatile detection applications.
Supports Automatic Sensitivity Boost (ASB) to prevent dropout when detecting high-bed vehicles.
Offers 4 selectable loop frequencies to minimize crosstalk in multi-loop environments.
Integrated loop diagnostics and frequency counter assist in setup and troubleshooting.
Includes lightning and surge protection to ensure long-term reliability in harsh environments.
CE compliant and built with ABS housing for durability across wide temperature and humidity ranges.
Operates with a wide power range of 12–24 VDC/AC and draws only 18 mA max current.
Visual indicators include green LED for power/loop faults and red LED for detect/frequency count.
Allows choice between pulse or constant presence output modes via relay.
Uses an isolation transformer for loop compensation, allowing reliable operation with poor-quality loops.
Weighs only 0.15 lbs (69g), making it easy to handle during installation.
| MODEL NAME | ULTRA-II Vehicle Loop Detector |
| PART NUMBER | EMX-2663-1 |
| INSTALLATION | Detachable 7-pin terminal block |
| DISPLAY | ULTRAMETER™ Sensitivity Display |
| POWER SUPPLY | 12-24 VDC/AC |
| CURRENT DRAW | 18 mA max. |
| DIMENSIONS | 3.0in x 0.9in x 2.75in (76 mm x 22 mm x 70 mm) |
| WEIGHT | 0.15 lbs. (69 g) |
| LOOP INDUCTANCE | 20–2000µH (Q factor >5) |
| ENVIRONMENTAL TRACKING | Automatic Compensation |
| OPERATING TEMPERATURE | -40°C to 82°C (-40°F to 180°F) |
| HUMIDITY | 0 to 95% relative humidity |
| HOUSING MATERIAL | ABS |
| CONNECTION | 7 position screw terminal |
| LOOP COMPENSATION | Isolation transformer for poor quality loops |
| LOOP FREQUENCY SETTINGS | 4 (low, med-low, med-hi, high) |
| SURGE PROTECTION | Loop circuitry protected by surge suppressors |
| OUTPUT | Relay 1A @24 VDC (Common, NO, NC) |
| POWER/LOOP FAULT INDICATOR | Green LED |
| DETECT/FREQUENCY COUNT INDICATOR | Red LED |
| FREQUENCY COUNT | Aids in setup and prevents crosstalk |
| PULSE/PRESENCE | Relay output selectable between pulse or presence |
| SENSITIVITY LEVELS | 10 (0–9) |
| ASB (AUTO SENSITIVITY BOOST) | Increases sensitivity after initial detection |
| FAIL SAFE | Active in loop failure |
| FAIL SECURE | Active in power loss |
| CERTIFICATIONS | CE compliant |
ULTRA-II Vehicle Loop Detector from EMX is a compact, energy-efficient solution for detecting vehicle presence in access control systems. With a detachable 7-pin terminal block and user-friendly ULTRAMETER™ sensitivity display, it is designed for quick installation and precise sensitivity adjustments, making it ideal for parking, gate, and industrial applications.
Reliable Detection with Smart Features
The ULTRA-II features fail safe and fail secure operation to ensure system reliability during loop failure or power loss. It includes 10 selectable sensitivity levels, four loop frequencies to reduce crosstalk, and an Automatic Sensitivity Boost (ASB) for detecting high-bed vehicles. The built-in ULTRAMETER™ aids diagnostics by displaying optimal sensitivity settings and system faults.
- Detachable 7-pin terminal block for easy wiring
- ULTRAMETER™ sensitivity display for setup and diagnostics
- Fail safe on loop failure, fail secure on power loss
- 10 adjustable sensitivity levels and 4 loop frequencies
- Automatic Sensitivity Boost (ASB) prevents dropouts
- Loop diagnostics and lightning protection built-in
Versatile and Durable
Operating on 12-24 VDC/AC, the ULTRA-II is compact in size yet designed for robust use across a wide range of environments. Its ABS housing withstands temperatures from -40°F to 180°F and 95% humidity. Equipped with surge protection and frequency counter support, this loop detector is perfect for both indoor and outdoor vehicle detection applications.
- Ideal for gate operators, parking controls, and vehicle automation
- Suitable for multi-loop and high-interference environments
- Energy-efficient operation with only 18 mA current draw
Access control professionals can rely on the ULTRA-II from EMX for accurate detection, flexible configuration, and dependable operation in vehicle access solutions across the USA.
Technical Specifications
- Model: ULTRA-II (Part Number: EMX-2663-1)
- Power Input: 12-24 VDC/AC
- Current Draw: 18 mA max.
- Dimensions: 3.0" x 0.9" x 2.75"
- Loop Inductance: 20–2000µH (Q > 5)
- Operating Temp: -40°F to 180°F
- Humidity: 0 to 95% RH
- Housing: ABS
- Connection: 7-position screw terminal
- Frequency Settings: 4 levels (low to high)
- Relay Output: 1A @ 24VDC (NO/NC)
- Sensitivity: 10 levels (0–9)
- Indicators: Green LED (Power/Fault), Red LED (Detect/Frequency Count)
- Extra Features: ASB, Loop Compensation, Surge Protection, ULTRAMETER™
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