TPC-PT8420A-TB - Surveillance Camera Dahua Technology - Free user manual and instructions
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| Product Type | Thermal Network PTZ Surveillance Camera |
| Model | TPC-PT8420A-TB |
| Brand | Dahua Technology |
| Dimensions (D x H) | Approx. 180 mm x 280 mm |
| Weight | Approx. 4.5 kg |
| Power Supply | 24 VAC / PoE+ (IEEE 802.3at) |
| Power Consumption | < 38 W (including heater & fan) |
| Detector Type | Uncooled VOx Microbolometer |
| Resolution | 640 x 512 (Thermal), 1920 x 1080 (Optical) |
| PTZ Range | Pan: 0°~360°, Tilt: -90°~+90° |
| Preset Positions | Up to 300 presets |
| Main Functions | Thermal imaging, perimeter protection, auto-tracking, fire detection, intelligent analytics |
| Maintenance & Cleaning | Clean the lens with a soft dry cloth; keep vents unobstructed; periodic firmware updates |
| Safety & Security | Password protection, IP66 weatherproof, IK10 vandal resistant, HTTPS encryption |
| Spare Parts & Repairability | Replacement lens, power supply module, fan assembly; rated IP67, serviceable by qualified technician |
| Compliance | CE, FCC, RoHS, NDAA compliant |
| Operating Temperature | -40°C to +65°C |
| Warranty | 2 years limited warranty |
Frequently Asked Questions - TPC-PT8420A-TB Dahua Technology
How do I reset the camera to factory defaults?
Press and hold the reset button on the camera for 10 seconds while power is on. Alternatively, use the web interface under Maintenance > Factory Default.
What is the maximum IP rating of the TPC-PT8420A-TB?
The camera has an IP66 rating, meaning it is protected against dust and powerful water jets. It is suitable for outdoor use in harsh weather.
Can I use this camera with third-party NVRs?
Yes, it supports ONVIF Profile S and G, making it compatible with most major NVRs. Ensure the NVR supports thermal or dual-stream cameras.
How do I set up motion detection and alarms?
Log into the web interface, go to Event > Smart Plan and enable Perimeter Protection or Motion Detection. Configure rules and link actions like email alerts or recording.
What is the thermal detection range?
The thermal imager can detect a human-sized object up to 1.5 km and a vehicle up to 4 km under optimal conditions, depending on lens configuration.
My camera is not booting up. What should I check?
First, verify the power source (24 VAC or PoE+) and check the cable connections. Try a power cycle. If using PoE, ensure the switch provides sufficient power (≥36W). If the issue persists, contact support.
How often should I clean the camera lens?
Clean the lens every 3 months or more frequently in dusty environments. Use a soft microfiber cloth and isopropyl alcohol for stubborn dirt. Do not use abrasive materials.
Does this camera support audio?
Yes, the TPC-PT8420A-TB has a built-in microphone and speaker, enabling two-way audio communication via the web interface or compatible NVR.
What memory card does the camera support?
The camera supports microSD cards up to 256 GB for local edge storage. Class 10 or UHS-I recommended for continuous recording.
Is the camera compatible with Dahua's AI analytics?
Yes, it includes built-in AI algorithms for high-precision human/vehicle detection, fire detection, and line crossing. No additional license required.
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