What is the field of view of Dahua SDT5X425-4Z4-FA-0832?

The Dahua SDT5X425-4Z4-FA-0832 has a horizontal field of view of 58° with a 5.4-135mm lens. At 10 meters distance, it covers approximately 11.1 meters width.

What is the IR range of Dahua SDT5X425-4Z4-FA-0832?

The Dahua SDT5X425-4Z4-FA-0832 features 30m infrared illumination range for night vision, making it suitable for medium-range surveillance.

How far can Dahua SDT5X425-4Z4-FA-0832 see clearly?

The recommended effective range of Dahua SDT5X425-4Z4-FA-0832 is approximately 19 meters (DORI Recognize threshold, ≥125 px/m on the target). At this distance the 4.1MP (2688×1520) sensor provides enough pixel density to describe a person's actions and clothing; identify-grade detail requires roughly half this distance.

CCTVPLANNER.IO · CAMERA · DAHUA

Dahua SDT5X425-4Z4-FA-0832

PTZ Camera with 4.1MP (2688×1520) resolution, 58° field of view, and 30m IR night vision range.

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NO.01

4.1MP

Resolution

NO.02

58°

Horizontal FOV

NO.03

19m

Effective Range

NO.04

30m

IR Range

SPECIFICATIONS · SDT5X425-4Z4-FA-0832

Specifications

Resolution4.1MP (2688×1520)

Focal Length5.4-135mm

Horizontal FOV58°

Effective Range19m

IR Range30m

TypePTZ Camera

Low LightStandard

Verified specifications sourced from the official manufacturer datasheet.

View official datasheet

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About the Dahua SDT5X425-4Z4-FA-0832

The Dahua SDT5X425-4Z4-FA-0832 is a high-speed dome PTZ that can patrol preset positions on a schedule and react to motion or analytics events. 4MP resolution delivers a noticeable detail upgrade over 1080p: on the same lens facial identification reaches about a third farther, and digital zoom on recorded footage stays usable. Medium IR range (20-40 m) is appropriate for typical residential driveways, small commercial perimeters, and back-of-house loading bays where reach beyond ~30 m is rarely needed at night. A standard 50-80° horizontal FOV mimics how a person sees a scene and works well for general-purpose monitoring of rooms, parking spaces, and perimeter walls without distortion.

Best use cases for this camera

Large area patrol & target tracking

PTZ control enables operator-initiated tracking of suspicious activity, scheduled tours of preset positions overnight, and forensic zoom into recorded footage. Best paired with a wide-angle "overview" camera that triggers the PTZ via analytics.

Strengths

•4.1MP sensor preserves detail under digital zoom on recorded footage
•PTZ control enables operator-driven tracking and pre-set tours

Considerations

•PTZ cameras only see one direction at a time; pair with a fixed overview camera to avoid blind spots

Coverage at Different Distances

Distance	Coverage Width	Coverage Area	Use Case
5m	5.5m	28 m²	Entrance, corridor
10m	11.1m	111 m²	Room, retail aisle
15m	16.6m	249 m²	Warehouse, parking row
20m	22.2m	443 m²	Parking row, courtyard
30m	33.3m	998 m²	Parking lot, yard
50m	55.4m	2772 m²	Perimeter, large area

Field of View Visualization

Detect97 mObserve39 mRecognize19 mIdentify10 mEffective rangeIR range (30m)

Night Vision Performance

Daytime

Full 4.1MP (2688×1520) resolution at 58° field of view. Effective identification range up to 10m in good lighting conditions.

Nighttime (IR)

Built-in IR LEDs illuminate up to 30m in complete darkness. Switches to B/W mode for clear night footage.

Installation tips for the SDT5X425-4Z4-FA-0832

Mount above 4 m on a rigid pole or wall bracket. PTZ vibrations are amplified at low mounting heights and degrade image quality during pan operations.

Plan storage at roughly 16 GB per camera per day for continuous H.265 recording at 15fps, and verify the NVR has sufficient HDD bay capacity.

Coverage geometry & DORI distances

At a 5-metre standoff the Dahua SDT5X425-4Z4-FA-0832 covers about 5.5 m of scene width; at 10 m that grows to 11.1 m, and at 20 m to 22.2 m. Translating those numbers through EN 62676-4 pixel-density thresholds, the camera can detect a person up to 97 m, observe up to 39 m, recognise up to 19 m, and produce Identify-level detail (250 px/m in the EN 62676-4 DORI scale) up to 10 m. Effective range above the identify threshold relies on supplementary lighting or a longer-focal-length optic; the geometry above assumes the 5.4-135mm lens declared by the manufacturer.

Detect

97 m

Observe

39 m

Recognise

19 m

Identify

10 m

Power & cabling

The Dahua SDT5X425-4Z4-FA-0832 draws an estimated 30.0 W under typical load (with the IR illuminator engaged where applicable), placing it in the 802.3at (Class 4, ≤30 W) budget. A single switch port supplies enough power without an injector. Cabling: stick to Cat6 STP for runs up to 100 m end-to-end; beyond that, add an inline PoE extender or move to fibre with a media converter at the camera end. On outdoor runs, route through ø25 PVC or PE conduit to keep the cable shielded from UV and rodents.

Privacy & legal (GDPR / RODO)

Any camera operating in a publicly accessible area falls under GDPR (RODO in Poland). Art. 13 obliges the data controller to post an information sign at every entry point with controller name, DPO contact, lawful basis (typically Art. 6(1)(f) legitimate interest for property protection), purpose, and retention period. The Dahua SDT5X425-4Z4-FA-0832's PTZ pan range can sweep into neighbouring properties or public roads; document allowed pan limits in the installation record and configure privacy masks (see Dahua's web-UI under "Privacy Mask") for any window or doorway you cannot legally surveil.

Installer time & cost (rough estimate)

A typical EU installer quotes 5-6 h of labour per ptz camera of this class (approximately €225-€275 excluding hardware), broken down as bracket mounting, cable termination at both ends, on-site commissioning, and a brief operator handover. Allow extra time for high mounts (>4 m), exterior installations requiring scaffolding, or sites where cable routing demands wall penetrations or conduit work.

Indicative EU pricing at 2024-2025 rates; actual quotes vary by region, mounting height, and site conditions. Excludes hardware, transport, permits, and VAT.

Frequently asked questions

Is the Dahua SDT5X425-4Z4-FA-0832 suitable for outdoor installation?

Dahua PTZ models are generally designed for outdoor use with IP66 ingress rating and -30°C to +60°C operating range. Mount on a rigid pole at ≥ 4 m to dampen wind-driven vibration that would degrade the live image during pan operations.

What PoE class powers the Dahua SDT5X425-4Z4-FA-0832?

The camera draws roughly 30.0 W in steady-state operation, requiring an 802.3at (Class 4, ≤30 W) switch port. A single Cat6 STP cable carries both data and power up to 100 m; beyond that, add an inline extender or convert to fibre near the camera.

How much storage does the Dahua SDT5X425-4Z4-FA-0832 consume per day?

At 4.1MP (2688×1520) resolution, 15 fps H.265 continuous recording, the SDT5X425-4Z4-FA-0832 produces approximately 16 GB per day, about 480 GB per month. Motion-only or event-triggered recording typically cuts that by 40-70 % depending on scene activity. Plan NVR HDD capacity for the longest retention period required by your privacy policy or insurance contract.

Up to what distance can the Dahua SDT5X425-4Z4-FA-0832 identify a person?

By the DORI thresholds of EN 62676-4 (Identify at 250 px/m on the target, a density the 2025 edition calls Characterise), this camera reaches Identify level up to about 10 m, recognises a person up to 19 m, observes general activity up to 39 m, and detects motion up to 97 m. Identification distance assumes daylight or full IR illumination on the target; at the limits of the IR cone the effective identify distance shrinks roughly 30 %.

What network bandwidth does Dahua SDT5X425-4Z4-FA-0832 use?

Typical ingest is 6 Mbps for the main stream (H.265, medium scene complexity, 15 fps) plus ~0.5 Mbps for a low-resolution sub-stream used by mobile clients. For a 16-camera installation of this class, plan a 50-100 Mbps NVR uplink and a dedicated VLAN for camera traffic.