The ULTRA II vehicle loop detector is a compact, energy-efficient design with a user-friendly, detachable 7-pin terminal block that simplifies set-up.
This vehicle loop detector provides a relay output indicating vehicle presence or pulse on entry. The ULT-II also has an option for automatic sensitivity boost (ASB) which causes the sensitivity to increase following initial detection. This feature is useful to prevent dropout when detecting high-bed vehicles.
The ULT-II is easy to install and operate. Sensitivity selection is simplified by the ULTRAMETER™ display. Ten sensitivity settings allow for finer adjustment of the detection level, and four frequency selections help to prevent crosstalk in multi-loop applications.
ULTRAII-D-TEK - Specifications (PDF)
Power Supply | 12-24 VDC/AC |
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Current Draw | 18 mA max. |
Dimensions | L=3.0in (76 mm) W=0.9in (22 mm) H=2.75in (70 mm) |
Weight | 0.15 lbs.(69g) |
Loop Inductance | 20…2000µH (Q factor >5) |
Environmental Tracking | Automatic Compensation |
Operating Environment | -40° C to 82° C (-40°F to 180° F) 0 to 95% relative humidity |
Housing Material | ABS |
Connection | 7 position screw terminal |
Loop Compensation | Isolation transformer allows operation with poor quality loops |
Loop Frequency | 4 settings (low, med-low, med-hi, high) |
Surge Protection | Loop circuitry protected by surge suppressors |
ULTRAMETER Display | Indicates optimum sensitivity level |
Ouput | Relay 1A @24 VDC Common, Normally Open, Normally Closed |
Power/Loop Fault Indicator | Green LED |
Detect/Frequency Count Indicator | Red LED |
Frequency Count | To aid in detector set up and prevention of crosstalk |
Pulse/Presence | Allows the relay output to send either a pulse output or have constant presence |
Sensitivity | 10 levels, 0-9 |
ASB (Automatic Sensitivity Boost) | Increases sensitivity after initial detection to prevent dropout due to high bed vehicles |
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