Hikvision AcuSense 8 MP IR Fixed Bullet Network Camera DS-2CD3086G2-IS

The DS-2CD3086G2-IS is an 8 MP fixed bullet from Hikvision’s 3-Series, and the parts worth paying for are the letters, not the numbers. AcuSense at the front, the -S at the back: target classification running on the camera itself, and the audio and alarm input/output terminals that suffix denotes.

The 3-Series sits a step above the 1-Series that carries most of a routine schedule, in build and in what the camera does with what it sees. On a position only reviewed after the fact, that step is more camera than the job needs. On one meant to raise a live alarm, it is cheap.

Where it fits

AcuSense does one thing, and it is worth being exact: it classifies what moved as a person, a vehicle, or neither, and discards the neither. It does not sharpen the picture. What it changes is the alarm list.

That sounds like a refinement until you have lived with a live perimeter. A camera on plain motion detection raises events for rain on the lens, a cat on the wall, headlights sweeping the fence line, a shadow crossing the tarmac. Four hundred events a night is ordinary on a windy site, and nobody reads four hundred events. By the third week the notifications are muted, and a muted system is an unmonitored system. False-alarm filtering is the difference between a system somebody watches and one somebody ignores.

Be straight about the limit. Classification is good, not infallible, and it does not replace commissioning: the zones still have to exclude the road and the neighbour’s gate, the rules still have to name the line that matters, and sensitivity still has to be walked at night. The hardware makes a quiet alarm list possible. It does not deliver one.

The lens is fixed, so the view is decided at the order, not on the pole. Where the position is still moving, take a motorised-lens model from the outdoor network camera range.

Before you order — three things to confirm

• Audio and alarm terminals. Confirm the client needs them and what they wire to — a speaker or microphone for a live challenge, a beam or contact on the input, a relay or siren on the output. Those devices are separate items.
• What the head end does with a classified event. The value only lands if the recorder or VMS receives the person or vehicle label and routes it to someone. Confirm model and firmware before promising smart search.
• Lens variant and mounting. Field of view is a purchase decision here. Confirm the option quoted against the width and depth of the position, and the bracket or junction box, ordered separately.

Technical specifications

• Manufacturer: Hikvision
• Model: DS-2CD3086G2-IS
• Image Sensor: 1/1.8″ Progressive Scan CMOS
• Max. Resolution: 3840 × 2160
• Min. Illumination: Color: 0.003 Lux @ (F1.6, AGC ON), B/W: 0 Lux with IR
• Shutter Time: 1/3 s to 1/100,000 s
• Day & Night: IR cut filter
• Angle Adjustment: Pan: 0° to 360°, tilt: 0° to 90°, rotate: 0° to 360°
• Lens Type: Fixed focal lens, 2.8, 4, and 6 mm optional
• Focal Length & FOV: 2.8 mm, horizontal FOV 108°, vertical FOV 53°, diagonal FOV 133°; 4 mm, horizontal FOV 87°, vertical FOV 46°, diagonal FOV 103°; 6 mm, horizontal FOV 60°, vertical…
• Lens Mount: M12
• Iris Type: Fixed
• Aperture: F1.6
• Supplement Light Type: IR
• Supplement Light Range: Up to 40 m
• Smart Supplement Light: Yes
• IR Wavelength: 850 nm
• Main Stream: 50 Hz: 25 fps (3840 × 2160, 3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720); 60 Hz: 24 fps (3840 × 2160); 30 fps (3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720)
• Sub-Stream: 50 Hz: 25 fps (1280 × 720, 640 × 480, 640 × 360); 60 Hz: 30 fps (1280 × 720, 640 × 480, 640 × 360)
• Third Stream: 50 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360); 60 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360)
• Fourth Stream: 50 Hz: 10 fps (1280 × 720, 640 × 480, 640 × 360); 60 Hz: 10 fps (1280 × 720, 640 × 480, 640 × 360)
• Video Compression: Main stream: H.265/H.264/H.264+/H.265+,; Sub-stream: H.265/H.264/MJPEG,; Third stream: H.265/H.264,; Fourth stream: H.265/H.264/MJPEG
• Video Bit Rate: 32 Kbps to 16 Mbps
• Bit Rate Control: CBR, VBR
• Scalable Video Coding (SVC): H.264 and H.265 encoding
• Region of Interest (ROI): 5 fixed regions for main stream and sub-stream
• Target Cropping: Yes
• Audio Compression: G.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC
• Audio Type: Mono sound
• Audio Bit Rate: 64 Kbps (G.711ulaw/G.711alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 192 Kbps (MP2L2)/8 to 320 Kbps (MP3)/16 to 64 Kbps (AAC-LC)
• Audio Sampling Rate: 8 kHz/16 kHz/32 kHz/44.1 kHz/48 kHz
• Environment Noise Filtering: Yes

Figures from Hikvision’s published datasheet. We confirm the revision in stock when we quote.

Compatibility

It is a Hikvision IP camera and belongs on a Hikvision recorder, run through the standard Hikvision software and app. The classification events travel least well: an older recorder or third-party VMS may take the stream perfectly and still log a person event as plain motion.

What’s in the box

The camera and the manufacturer’s documentation. Brackets, junction boxes, power supplies, microphones, speakers and cable are separate line items, not claimed here. Contents for the current revision are confirmed on the order.

Common questions

Will AcuSense stop the false alarms completely?
No, and be careful promising it. It removes the great majority of weather, animal and lighting triggers, which is what makes the list readable. A neighbour walking a dog past the fence is still a person.

Do I have to use the audio and alarm terminals?
No. They are there when the site wants a voice challenge or a detector wired in, and ignored otherwise. Do not pay the -S premium if nothing will be connected.

Is this better than the 1-Series camera I usually fit?
Different rather than simply better. The step up is in build and on-camera classification, not a prettier picture; where nobody watches live, the 1-Series does the job.

Genuine Hikvision from the authorized Hikvision agent in Egypt, official manufacturer warranty of 1 to 5 years depending on the product, delivery across Egypt, and professional installation in Cairo & Giza, priced after a site assessment. Prices are given on request — press Get a Quote on this page or call 16454.