Diablo Controls DSP-50 Probe Kit Vehicle Loop Detector - 75'
The Diablo Controls DSP-50LP is a probe-kit style vehicle detector listing associated with Diablo mini-loop/free-exit probe applications. It is used where a buried probe or mini-loop is preferred over a full saw-cut pavement loop, while still providing a vehicle-detect signal to the gate or access-control equipment.
DSP-50 literature describes a detector made for parking, drive-through, and access-control applications that can work with an embedded street loop or, with the correct setting, Diablo's mini-loop probe. That flexibility is why this part is often seen in service and replacement searches for older probe-based gate installations.
Fitment should be checked closely because DSP-50, DSP-50LP, DSP-55, 75 ft probe kits, and 100 ft probe kits may appear together in search results. The detector type, cable length, loop/probe setting, and controller input must match the actual site.
Compatible With
Compatibility depends on the detector model, supply voltage, loop or probe type, wiring base, relay output needs, and how the gate, door, barrier, parking, or access-control panel is designed to receive a vehicle-detect signal.
- Diablo DSP-50 / DSP-50LP style probe kit applications
- Gate and access-control free-exit or vehicle detection systems using Diablo mini-loop probe technology
- Installations using a 75 ft probe lead where that length matches the site layout
- Parking, drive-through, and access-control applications with compatible detector output wiring
- Select embedded loop applications when the detector is configured for standard loop use
- Related DSP-55 probe-kit references only when the replacement path is confirmed
- Not a monitored safety sensor or universal loop detector replacement
Features and Specifications
| Manufacturer | Diablo Controls |
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| Product Type | Vehicle detector probe kit |
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| Part Number | DSP-50LP |
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| Application | Gate, parking, drive-through, and access-control vehicle detection |
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| Lead Length | 75 ft reference from uploaded row |
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| Sensor Type | Diablo mini-loop/free-exit probe or compatible loop use depending on detector setup |
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| Operation | Vehicle detect output to compatible control equipment |
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| Related Technology | Mini-loop / free-exit probe vehicle detection |
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| Notes | Confirm detector version, probe length, and whether DSP-55 has superseded the installed requirement |
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Also Known As / Related Part Numbers
- DSP-50LP
- DSP-50
- DSP50LP
- DSP50
- DSP-50 Probe Kit
- DSP-50LP 75
- DSP-55 related probe detector
- DSP-55-75 related current search reference
- Diablo free exit probe 75 ft
Technician Note
When troubleshooting a DSP-50LP system, do not assume the detector is bad until the probe lead, probe location, loop/probe switch setting, and controller input have been checked.
Before Ordering
- Confirm the installed detector label is DSP-50LP or a confirmed equivalent.
- Verify the required probe lead length is 75 ft.
- Confirm whether the detector is used with a probe or a standard loop.
- Check whether the site needs fail-safe or fail-secure operation.
- Confirm the gate controller input is for vehicle detection and not a monitored safety device.
Important Ordering Warning
DSP-50LP and DSP-55 style references may appear together, but do not treat them as exact replacements without confirming the current manufacturer replacement path and the job requirements.
Professional Advisory
Vehicle detector wiring is part of the gate, door, parking, or access-control safety and command circuit. Do not bypass monitored safety devices or use a detector to defeat required entrapment protection. For high-voltage wiring, cabinet faults, nuisance detection, or unsafe gate movement, use a qualified gate or access-control technician.
Product Questions and Answers
Is DSP-50LP a probe detector or a loop detector?
It is commonly used as a probe-kit detector and DSP-50 literature also references operation with an embedded loop when configured properly.
What does the 75 ft reference mean?
It refers to the probe lead length in this uploaded product row. Cable length should match the installation layout.
Can this be used for free exit?
Yes, it is commonly associated with free-exit probe style gate applications when the controller input is set up for that function.
Is DSP-55 the same as DSP-50LP?
DSP-55 appears in related current probe detector searches, but it should not be treated as the same part unless confirmed for the installation.
Can this replace a safety photo eye?
No. It is a vehicle detector and does not replace required monitored safety protection.
