AI NEXT QT-40 Passive Infrared Detector
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- Proven false-alarm reduction with Quad Tech microwave + PIR sensing for more reliable intrusion detection
- QMA and dual-slope temperature compensation maintain sensitivity in changing indoor environments
- Optional 100 lb animal-immunity lens minimizes nuisance triggers from pets and small animals
- Compact, low-profile indoor design (4.8" H x 2.5" W x 1.7" D) installs easily in commercial and residential sites
- Multi-function LED and ambient-temperature diagnostics simplify setup, testing and on-going surveillance monitoring
Quick Specifications
- Product Model
- QT40
- Brand Name
- AI NEXT by Aleph
- Product Name
- QT40 Passive Infrared Detector
- Product Type
- Passive Infrared Detector
Explore the details
Product information
QT-40
Overview
Designed for dependable indoor intrusion detection, the AI NEXT by Aleph QT-40 Passive Infrared Detector delivers accurate motion sensing while cutting nuisance alarms. This PIR motion detector combines Quad Tech microwave and passive infrared sensing with Qualified Motion Analysis (QMA) and dual-slope temperature compensation to keep detection consistent across temperature changes and busy environments. An optional 100 lb animal-immunity lens reduces false trips from pets, making the QT-40 ideal for retail, office, and residential security applications. At just 4.8" x 2.5" x 1.7" and weighing only 3 oz, the low-profile housing discreetly integrates into existing surveillance and monitoring systems. Technicians will appreciate the multi-function LED and ambient temperature diagnostics for fast commissioning and routine maintenance. Whether you’re upgrading an access control perimeter or expanding an IP surveillance solution, the AI NEXT QT-40 Passive Infrared Detector gives you accurate, low-noise motion detection that improves overall system reliability. Add the QT-40 to your security plan today or contact sales to specify it for your next monitoring project.
Features
- Proven false-alarm reduction with Quad Tech microwave + PIR sensing for more reliable intrusion detection
- QMA and dual-slope temperature compensation maintain sensitivity in changing indoor environments
- Optional 100 lb animal-immunity lens minimizes nuisance triggers from pets and small animals
- Compact, low-profile indoor design (4.8" H x 2.5" W x 1.7" D) installs easily in commercial and residential sites
- Multi-function LED and ambient-temperature diagnostics simplify setup, testing and on-going surveillance monitoring
| General Information | |
|---|---|
| Brand Name | AI NEXT by Aleph |
| Manufacturer | Aleph America Corporation |
| Product Name | QT40 Passive Infrared Detector |
| Product Type | Passive Infrared Detector |
| Product Model | QT40 |
| Product Series | QT |
| Country of Origin | CN |
| Manufacturer Part Number | QT-40 |
| Physical Characteristics | |
| Depth | 1.70" |
| Width | 2.50" |
| Height | 4.80" |
| Weight | 3.00oz |
| Miscellaneous | |
| Indoor/Outdoor | Indoor |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- QT-40
- Manufacturer part:
- QT-40
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsAI NEXT QT-40 Passive Infrared Detector
QT-40