IP Cameras › IPC-D312-ADZK
UniarchWDR VF IR Dome
2MP WDR VF IR Dome
IPC-D312-ADZK
2MP motorized varifocal (2.8–12mm) IR dome network camera — 120dB true WDR, ultra motion detection, Smart IR up to 30m, IK10 vandal-resistant, IP67 outdoor body.
2 MP · 1080P@30fps2.8–12mm · motorized varifocal, 4.3XUltra Motion · human/vehiclePoE / DC12V · dual powerIP67 · outdoorIK10 · vandal-resistantMic · built-in audio
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The Uniarch IPC-D312-ADZK is a 2MP dome network camera with a motorized varifocal lens (2.8–12 mm, 4.3X zoom) that lets the field of view be adjusted remotely after installation — no re-mounting needed to reframe the shot. It combines 120 dB true WDR for strong-light scenes, ultra motion detection (human/vehicle classification), a built-in mic, and Smart IR night vision up to 30 m. The metal body is IK10 vandal-resistant and IP67 outdoor-rated, and powers over a single PoE cable or DC 12V, with a −30 °C to 60 °C working range.
Is this the right camera for you?
Plain-language guide for buyers and installers — based only on what this camera actually does.
Schools & transit stationsIK10 vandal-resistant housing withstands impact and tampering in high-traffic public areas, while the motorized zoom lets you fine-tune the shot after mounting.
Hallways & low ceilingsThe low-profile dome shape sits flush on a ceiling and blends into the surroundings — less obtrusive than a bullet camera indoors.
Parking lots & vehicle gatesUltra motion detection tells people from vehicles, cutting false alerts from a busy lot down to the movement that actually matters.
Storefronts facing strong sunlight120 dB true WDR keeps both the bright doorway and the shaded interior visible in the same frame, instead of one washing out the other.
Warehouse & site perimetersIP67 body and −30 to 60 °C rating survive rain, dust and heat outdoors, day after day.
Sites needing local backupThe built-in mic picks up nearby audio, and MicroSD edge storage keeps a local backup even where an NVR is also recording.
Not the right pick if you need…
- Full-color night vision — this is IR-only, night video is black & white, not color
- Two-way talk — it has a built-in mic but no speaker
- Wi-Fi — this is a wired RJ45 camera
- A one-time fixed focal length choice at purchase — the zoom on this model is motorized and adjustable on site, not a pick-one-at-checkout fixed lens
- Alarm in/out wiring for sirens or sensors
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Key Features
Complete list from the official datasheet.
High quality image with 1080P, 1/2.7" CMOS sensor
1080P (1920 × 1080)@30/25 fps; 720P (1280 × 720)@30/25 fps
Ultra 265, H.265, H.264, MJPEG
2D/3D DNR (digital noise reduction)
Support ultra motion detection (human/vehicle detection)
ROI (region of interest) ensures image quality in areas of interest with low bandwidth
Smart IR, up to 30 m (98.4 ft.) IR distance
120 dB true WDR technology enables clear image in strong light scene
Built-in mic
Wide temperature range: −30 °C to 60 °C (−22 °F to 140 °F)
DC 12 V, PoE (IEEE 802.3af) power supply
IP67
Night Vision: Smart IR
Invisible infrared night vision — this model has no warm-light module.
IR MODE
Invisible infrared — discreet black & white night vision
Smart IR up to 30 m (98.4 ft.) at 850 nm. The camera watches without lighting up the scene — nothing shows it is recording. This model has a single IR illuminator only, no warm-light module.
How far can it see? (DORI)
DORI (EN 62676-4) is the industry standard for what a camera can do at distance. Because this model has a motorized 2.8–12 mm varifocal lens, each capability spans a range — from the widest zoom setting to full telephoto, not a single fixed number.
Detectsomething is there
WIDE (2.8mm)42.0 m137.8 ft
TELE (12mm)180 m590.6 ft
Observewhat is happening
WIDE (2.8mm)16.8 m55.1 ft
TELE (12mm)72.0 m236.2 ft
Recognizesomeone you know
WIDE (2.8mm)8.4 m27.6 ft
TELE (12mm)36 m118.1 ft
Identifya stranger's face
WIDE (2.8mm)4.2 m13.8 ft
TELE (12mm)18 m59.1 ft
How wide a view at each distance
Scene width covered at typical mounting distances — the number you need to work out how many cameras a wall, yard or aisle takes.
| Distance | 111.0° wide | 36.6° tele |
|---|---|---|
| 5 m16 ft | 14.6 m47.7 ft | 3.3 m10.9 ft |
| 10 m33 ft | 29.1 m95.5 ft | 6.6 m21.7 ft |
| 15 m49 ft | 43.7 m143 ft | 9.9 m32.6 ft |
| 20 m66 ft | 58.2 m191 ft | 13.2 m43.4 ft |
| 30 m98 ft | 87.3 m286 ft | 19.8 m65.1 ft |
Calculated from the horizontal field of view in the specifications below: width = 2 × distance × tan(FOV ÷ 2). Lens distortion and mounting angle are not included.
Who uses it, where it goes and how to install it
Written for the Uniarch IPC-D312-ADZK from its own specifications: 2 MP dome, motorized 2.8–12 mm lens (111.0° to 36.6°), 120 dB true WDR, human/vehicle detection, 30 m IR, IK10 and IP67.
Who it is for
- Installers who do not know the exact distance in advance — One stock item covers a 111.0° room view or a 36.6° view down a corridor or gate, set from the web page or NVR after mounting, without climbing back up the ladder.
- Shops and lobbies with glass fronts — 120 dB true WDR keeps faces readable against a bright doorway, where the fixed Uniarch domes (D122/D124) only have digital WDR.
- Schools, hospitals and public buildings — IK10 metal body for areas where cameras get hit, with intrusion and cross-line rules based on human body detection to cut alerts from shadows and lights.
- Small car parks and site entrances — Zoomed to 12 mm it identifies a face up to 18 m; Ultra motion detection separates people and vehicles. IP67 and −30 °C to 60 °C allow covered outdoor use.
Where and how to install
- Height and aim — Mount at about 2.5–3.5 m. Set the rough direction by hand with the 3-axis mount (tilt 0–70°), then do the final framing with the motorized zoom and autofocus from the web page or NVR.
- Choose the zoom by the job — Wide (2.8 mm) for an overview: 29.1 m of width at 10 m, faces identifiable only to 4.2 m. Tele (12 mm) for one door or gate: 6.6 m of width at 10 m, faces to 18 m. You cannot have both at once, so pick one job per camera.
- Dome cover, IR and backlight — Keep the cover clean and remove the protective film, and keep walls, soffit edges and plants out of the near field, or the IR reflects and hazes the night picture. For doorways, turn on WDR rather than aiming straight into the sun.
- Brackets — Wall: TR-WM03-B-IN-V2, or TR-JB07/WM03-F-IN-V2 when the cable comes through the wall behind; ceiling with rear cable entry: TR-JB03-H-IN-V2 junction box; high ceilings: TR-CM24-IN with the TR-SE24-IN (200 mm) or TR-SE24-A-IN (500 mm) pole; corners: TR-UC08-C-V2.
- Outdoors: cable joint, sun and surge — The body is IP67, the cable tail is not: put the RJ45 and 12 V joint in the junction box and seal it with the TR-A01-IN gland. Use the HS-207S sunshade where sun or rain hits the cover. On long outdoor runs add a surge protector and earthing beyond the built-in 4 kV.
- Power and cable — Max. 8.0 W on IEEE 802.3af PoE (more than a fixed dome, because of the zoom motor and IR). Cat5e or Cat6 copper up to 100 m per run, or a 12 V DC adapter with a Ø5.5 mm plug where there is no PoE.
Wide (2.8 mm) or tele (12 mm): what you actually see
The 4.3× motorized lens lets you choose on site between these two ends and anything in between. At 2.8 mm one dome covers 29.1 m of width at 10 m, but with only about 66 pixels per meter a face is identifiable only to 4.2 m. At 12 mm the width at 10 m shrinks to 6.6 m and detail rises to about 290 pixels per meter, so faces stay identifiable up to 18 m. The identify distance grows roughly in step with the focal length, about 1.5 m per mm at both ends.
| Wide · 2.8 mm | Tele · 12 mm | |
|---|---|---|
| Horizontal view angle | 111.0° | 36.6° |
| Width covered at 5 m | 14.6 m | 3.3 m |
| Width covered at 10 m | 29.1 m | 6.6 m |
| Width covered at 20 m | 58.2 m | 13.2 m |
| Pixels per meter at 10 m | 66 px/m | 290 px/m |
| Identify a stranger's face up to | 4.2 m | 18 m |
| Recognize someone you know up to | 8.4 m | 36 m |
| Observe what is happening up to | 16.8 m | 72.0 m |
| Detect that something is there up to | 42.0 m | 180 m |
- Stay near 2.8 mm for a room, lobby or shop floor: from 5 m it covers 14.6 m of width.
- Zoom toward 12 mm for one entrance or gate 10–18 m away: faces stay identifiable up to 18 m, with 6.6 m of width at 10 m.
- At night the IR reaches 30 m, so the long tele detect and observe figures (180 m, 72.0 m) apply only where there is other lighting.
Widths are calculated from the horizontal view angle (width = 2 × distance × tan(angle ÷ 2)); pixels per meter = horizontal pixels ÷ width at 10 m; face distances are the manufacturer's DORI figures.
Full Specifications
Complete official specifications from the manufacturer's datasheet (technical values in English).
Camera
| Max Resolution | 2 MP |
| Sensor | 1/2.7" CMOS |
| Min. Illumination | Color: 0.005 Lux (F1.6, AGC ON), 0 Lux with IR on |
| Day/Night | IR-cut filter with auto switch (ICR) |
| Shutter | Auto/Manual, 1 to 1/100000 s |
| Adjustment Angle | Pan: 3° to 360°, Tilt: 0° to 70°, Rotate: 3° to 360° |
| S/N | > 52 dB |
| WDR | 120 dB |
Lens
| Focal Length | 2.8 to 12 mm |
| Iris | F1.6 |
| Field of View (H) | 111.0° to 36.6° |
| Field of View (V) | 59.4° to 20.6° |
| Field of View (D) | 130.0° to 42.0° |
DORI
| DORI Distance (Lens) | 2.8 to 12 mm |
| DORI Distance (Detect) | 42.0 m to 180 m (137.8 ft. to 590.6 ft.) |
| DORI Distance (Observe) | 16.8 m to 72.0 m (55.1 ft. to 236.2 ft.) |
| DORI Distance (Recognize) | 8.4 m to 36 m (27.6 ft. to 118.1 ft.) |
| DORI Distance (Identify) | 4.2 m to 18 m (13.8 ft. to 59.1 ft.) |
Illuminator
| Supplemental Light | IR |
| Illumination Distance (IR) | 30 m (98.4 ft.) |
| Wavelength | 850 nm |
| IR On/Off Control | Auto/Manual |
Video
| Video Compression | H.265, H.264, MJPEG, Ultra 265 |
| H.264 Code Profile | Baseline profile, Main profile, High profile |
| Frame Rate | Main Stream: 1080P (1920×1080), max. 30 fps; 720P (1280×720), max. 30 fps · Sub Stream: 720P (1280×720), max. 30 fps; D1 (720×576), max. 30 fps; 640×360, max. 30 fps; 2CIF (704×288), max. 30 fps; CIF (352×288), max. 30 fps |
| Video Bit Rate | 128 Kbps to 6144 Kbps |
| U-code | Support |
| OSD | Up to 4 OSDs |
| Privacy Mask | Up to 4 areas |
| ROI | Up to 8 areas |
| Video Stream | Dual streams |
Image
| White Balance | Auto, Outdoor, Fine tune, Sodium lamp, Locked, Auto2 |
| Smart IR | Support |
| Digital Noise Reduction | 2D/3D DNR |
| Flip | Normal, Flip vertical, Flip horizontal, 180°, 90° Clockwise, 90° Anti-clockwise |
| Dewarping | N/A |
| HLC | Support |
| BLC | Support |
| Defog | Digital defog |
Events
| Basic Detection | Motion detection, Tampering alarm, Audio detection, Cross line, Intrusion (based on human body detection), Ultra motion detection (human/vehicle detection) |
| General Function | Watermark, IP address filtering, Access policy, ARP protection, RTSP authentication, User authentication, HTTP authentication |
Audio
| Audio Compression | G.711U, G.711A |
| Audio Bitrate | 64 Kbps |
| Two-way Audio | N/A |
| Suppression | Support |
| Sampling Rate | 8 kHz |
Storage
| Edge Storage | MicroSD, up to 512 GB |
| Network Storage | ANR, NAS (NFS) |
Network
| Protocols | IPv4, IGMP, ICMP, ARP, TCP, UDP, DHCP, RTP, RTSP, RTCP, RTMP, DNS, DDNS, NTP, FTP, UPnP, HTTP, HTTPS, SMTP, SSL/TLS, QoS, SNMP, IPv6 |
| Compatible Integration | ONVIF (Profile S, Profile G, Profile T), API, SDK |
| User/Host | Up to 32 users. 3 user levels: administrator, common user and operator |
| Client | Uniarch client, Uniarch Care |
| Web Browser | Plug-in required live view: IE 10+, Chrome 45+, Firefox 52+, Edge 79+, Plug-in free live view: Chrome 57.0 and above, Firefox 58.0 and above, Edge 16 and above |
Interface
| Audio I/O | N/A |
| Alarm I/O | N/A |
| Built-in Mic | Support |
| Built-in Speaker | N/A |
| WIFI | N/A |
| Network | 1 × RJ45 10 M/100 M Base-TX Ethernet |
| Video Output | N/A |
Certification
| Protection | IP67 (IEC 60529); IK10 (IEC 62262) |
| EMC | CE-EMC (EN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035); FCC (FCC 47 CFR part15 B) |
| Safety | CE-LVD (EN 62368-1) |
| Environment | CE-RoHS (2011/65/EU; (EU) 2015/863); WEEE (2012/19/EU) |
General
| Power | DC 12 V±25%, PoE (IEEE 802.3af) |
| Power Consumption | Max. 8.0 W |
| Power Interface | Ø5.5 mm coaxial power plug |
| Dimensions | Ø128 mm × 100 mm (Ø5.0" × 3.9") (Ø × H) |
| Weight | 0.66 kg (1.46 lb.) |
| Material | Metal + Plastic |
| Working Environment | -30 °C to 60 °C (-22 °F to 140 °F), Humidity: ≤ 95% RH (non-condensing) |
| Storage Environment | -30 °C to 60 °C (-22 °F to 140 °F), Humidity: ≤ 95% RH (non-condensing) |
| Surge Protection | 4 KV |
| Reset Button | Support |
Dimensions
Engineering drawing reproduced 1:1 from the official datasheet.
unit: mm (in.)
| Dimensions | Ø128 mm × 100 mm (Ø5.0" × 3.9") (Ø × H) |
| Weight | 0.66 kg (1.46 lb.) |
| Material | Metal + Plastic |
| Mount adjustment | Pan 3–360° · Tilt 0–70° · Rotate 3–360° |
Optional Mounting Accessories
Order together with the camera to save shipping.
TR-JB03-H-IN-V2Junction box for metal turret camera (support wiring from behind)
TR-JB07/WM03-F-IN-V2Wall mounting assembling bracket with back hole for 3 inch hemisphere
TR-WM03-B-IN-V2Wall mounting assembling bracket for 3 inch hemisphere
TR-A01-INNPT 3/4" waterproof cable gland
HS-207SSunshade shell for zoom dome
TR-UC08-C-V2Bullet & dome corner mounting bracket
TR-CM24-INDome pendent mounting bracket (indoor)
TR-SE24-A-INDome pendent mounting pole, 500 mm
TR-SE24-INDome pendent mounting pole, 200 mm
2MP Varifocal Dome Camera FAQ — IPC-D312-ADZK
How far does the IPC-D312-ADZK see at night?
Smart IR at 850 nm reaches up to 30 m in complete darkness, with auto or manual control and invisible light — nothing shows the dome is recording. Minimum color illumination is 0.005 lux at F1.6, so it holds a color image longer into dusk before switching to IR.
Can I change the field of view after mounting it on the ceiling?
Yes — the 2.8–12 mm varifocal lens adjusts remotely, so no one climbs back up. Wide at 2.8 mm it covers 111° with DORI detect at 42 m; tight at 12 mm it narrows to 36.6° and detects at 180 m, recognizing at 36 m and identifying at 18 m.
Is it protected against vandalism and weather?
Yes — the housing is IK10 rated against deliberate impact and IP67 sealed against dust and heavy rain, suited to school corridors, station platforms and building entrances. PoE powers it over the network cable, and a tampering alarm fires if the view is blocked.
What smart detections does it run?
Cross line and intrusion detection are based on human body detection, so alarms trigger on people rather than pets or moving shadows. Ultra motion detection, audio detection and the tampering alarm complete the set, with up to 8 ROI areas to prioritize key zones.
Does it record sound and keep footage during outages?
A built-in microphone records G.711U/G.711A audio with the video, and MicroSD edge storage keeps 1080p/30 fps footage writing locally if the NVR link drops. With Ultra 265 or H.265 at 128–6144 Kbps, the card stretches to cover longer outages.
IPC-D312-ADZK or IPC-D314-ADZK: is the 4 MP version worth it?
Pick the D314 when distance or detail matters: its datasheet gives face identification from 6.3 m (wide) to 27.0 m (tele), against 4.2 m to 18 m for the D312. The D312 has the wider wide end (111.0° against 102.8°) and needs less storage per camera. Body, IR (30 m), 120 dB WDR, IK10/IP67, mic and the 8.0 W maximum power are the same.
Should I buy the IPC-D312-ADZK or a fixed-lens dome like the IPC-D122-PF28K?
Both are 2 MP IK10 domes with 30 m IR, but the D312 can be reframed after mounting and reaches much farther: faces to 18 m at 12 mm, against 4.5 m for the fixed 2.8 mm D122. The D312 also adds 120 dB true WDR, a built-in mic, cross-line and intrusion rules and NAS recording. The D122 is the better buy for a plain room view at close range: it draws 3.3 W instead of 8.0 W, so more cameras fit on one PoE switch.
Which zoom setting on the IPC-D312-ADZK do I need to see faces at my gate?
As a rule of thumb from the datasheet DORI figures, the identify distance is about 1.5 m per mm of focal length (4.2 m at 2.8 mm, 18 m at 12 mm). So a gate 9 m away needs about 6 mm, and one 15 m away about 10 mm. Set it with a person standing at the gate, check the result in live view and on a night recording, and remember the view gets narrower as you zoom in.
How many IPC-D312-ADZK cameras can one PoE switch power?
Count 8.0 W per camera, its maximum with IR and the zoom motor working. That is within one IEEE 802.3af port (15.4 W at the switch), so the limit is the switch's total budget: a 60 W switch such as the Uniarch SW-2106-LP handles its 4 PoE ports (32 W), but 8 cameras on the 60 W SW-2110-LP add up to 64 W, slightly over. For 8 or more D312s, use a switch with a larger budget such as the SW-2218-LP (150 W for 16 ports).
Will the IPC-D312-ADZK show faces against a bright glass door or window?
Much better than a digital-WDR camera: it has 120 dB true WDR, plus BLC and HLC, so a person in the doorway and the bright street behind can both stay readable. Turn WDR on in the image settings, and if possible mount the dome slightly inside and above the door looking in, so the sun is not straight behind the subject. Zoom in so the face is larger in the frame; more pixels on the face helps more than any setting.
Can the IPC-D312-ADZK record without an NVR, and for how many days?
Yes: it records to a MicroSD card up to 512 GB, or to a NAS over NFS. At the maximum 6144 Kbps with continuous recording it writes about 66.4 GB per day, so a 512 GB card lasts about 7.7 days; at 2048 Kbps about 23 days, longer with Ultra 265 or event-only recording. A NAS share of 2 TB holds about 30 days at the maximum bit rate.
Ordering questions — samples, shipping, payment, lead time and genuine stock — are answered once on our FAQ page.
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