DS-2TD1228-2/QA

Manufacturer reference

Manufacturer details describe the cited version. Confirm the exact unit and intended system.

Thermal Module

Thermal · Image Sensor

Vanadium Oxide Uncooled Focal Plane Arrays

Thermal · Resolution

256 × 192

Thermal · Pixel Pitch

12 μm

Thermal · Spectral Range

8 μm to 14 μm

Thermal · Focal Length

2.1 mm

Thermal · IFOV

5.71 mrad

Thermal · Field of View

90.0° × 65.4° (H × V)

Thermal · Min. Focusing Distance

0.1 m

Thermal · Aperture

F1.0

Thermal · Digital Zoom

×2, ×4

Optical Module

Optical · Image Sensor

1/2.7" Progressive Scan CMOS

Optical · Resolution

2688 × 1520

Optical · Min. Illumination

0.0176Lux @(F2.25,AGC ON) ,0 Lux with IR

Optical · Shutter Speed

1 s to 1/100,000 s

Optical · Focal Length

2.2 mm

Optical · Field of View

117.8° × 70.4° (H × V)

Optical · Aperture (Range)

F2.25

Optical · WDR

120 dB

Image Effect

Target Coloration

Yes. Supported in white hot and black hot mode.

Thermal Image Processing

Linear and histogram processing, self-adaptive thermal AGC, DDE and 3D DNR

Illuminator

IR Distance

Up to 15 m

IR Intensity and Angle

Automatically adjusted

Audible and Visual Alarm

White Light Range

Up to 30 m

Visual Alarm

Yes. White light alarm with adjustable flashing frequencies

Audio alarm

Yes, for two types of audible alarm (VCA and Temperature Exception) 2 preset voice alerts (one for each) 6 importable user-defined voice alerts (6 options shared in the two types)

Smart Function

VCA

4 VCA rule types (line crossing, intrusion, region entrance, and region exiting), up to 8 VCA rules in total.

Temperature Measurement

3 temperature measurement rule types, 21 rules in total (10 points, 10 areas, and 1 line)

Temperature Range

-20 °C to 150 °C (-4°F to 302°F)

Temperature Accuracy

± 8 °C (± 14.4°F)

General Function

Fire detection, smoking detection, sun-reflection filter

Video and Audio

Main Stream

Thermal: 25 fps (1280 × 720, 704 × 576, 640 × 512, 320 × 240) Optical: 50 Hz: 25 fps (2688 × 1520, 1920 × 1080, 1280 × 720) 60Hz: 30 fps (2688 × 1520, 1920 × 1080, 1280 × 720)

Sub-stream

Thermal: 25 fps (704 × 576, 640 × 512, 320 × 240) Optical: 50 Hz: 25 fps (704 × 576, 352 × 288) 60 Hz: 30 fps (704 × 480, 352 × 240)

Video Compression

Main Stream: H.265/H.264 Sub-Stream: H.265/H.264/MJPEG

Audio Compression

G.722.1/G.711ulaw/G.711alaw/MP2L2/G.726/PCM

Network

Protocols

IPv4/IPv6, HTTP, HTTPS, 802.1x, QoS, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP, UDP, IGMP, ICMP, DHCP, PPPoE,Bonjour,SFTP,SRTP,TLS

Network Storage

MicroSD/SDHC/SDXC card (up to 256 G) local storage, NAS (NFS, SMB/CIFS), Auto Network Replenishment (ANR)

API

ISAPI, HIKVISION SDK,ISUP, and third-party management platform, Open Network Video Interface,ONVIF (Profile S, Profile G)

Simultaneous Live View

Up to 20 channels

User/Host level

Up to 32 users, 3 levels: Administrator, Operator, User

Security

User authentication (ID and password), MAC address binding, HTTPS encryption, IEEE 802.1x(EAP-MD5, EAP-TLS), access control, IP address filtering

Client

iVMS-4200, Hik-Connect

Web Browser

Live view (plug-in allowed) : Internet Explorer 11 Live view (plug-in free) : Chrome 57.0 +, Firefox 52.0 + Local service : Chrome 57.0+, Firefox 52.0 +

Interface

Alarm Input

1, alarm input (0-5 VDC)

Alarm Output

1, alarm output (alarm response actions configurable)

Alarm Action

SD recording/Relay output/Smart capture/FTP upload/Email linkage

Audio Input

1, 3.5 mm Mic in/Line in interface Line input: 2 - 2.4 V [p-p]

Audio Output

Linear level, impedance: 600 Ω

Communication Interface

1, RJ45 10 M/100 M Self-adaptive Ethernet interface. 1, RS-485 interface (half duplex)

General

Web Client Language

32 languages English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil)

Power Supply

12 VDC ± 25%, φ 5.5 mm coaxial power plug PoE (802.3af, class 3)

Power Consumption

12 VDC ± 25%: 0.5 A, Max 6 W PoE (802.3af, class 3): 42.5 V to 57 V, 0.14 A to 0.22 A, Max 6.5 W

Working Temperature/Humidity

Temperature: -40 °C to 65 °C (-40°F to 149°F) Humidity: 95% or less

Protection Level

IP67 Standard TVS 6000V lightning protection, surge protection, voltage transient protection

Dimensions

138.3 mm × 138.3 mm × 123.1 mm (5.45" × 5.45" × 4.85")

Weight

940 g (2.07 lb)

Reference Ranges

Detection Range — Vehicle (1.4 × 4.0 m)

268 m

Detection Range — Human (1.8 × 0.5 m)

88 m

Recognition Range — Vehicle (1.4 × 4.0 m)

67 m

Recognition Range — Human (1.8 × 0.5 m)

22 m

Identification Range — Vehicle (1.4 × 4.0 m)

34 m

Identification Range — Human (1.8 × 0.5 m)

11 m

VCA Range — Human (1.8 × 0.5 m)

16.8 m

Temperature Measurement Range — Object (0.2 × 0.2 m)

7 m

Temperature Measurement Range — Object (1 × 1 m)

35 m

Fire Detection Range — Object (0.2 × 0.2 m)

21.6 m

Smoking Detection Range

3.15 m

Range Test Conditions

Reference distances vary with environment; human DRI uses Johnson criteria: detection at least 1.5 pixels, recognition at least 6 pixels, identification at least 12 pixels.

Accessories

Optional Accessories

DS-1273ZJ-140 and DS-1273ZJ-140B: wall mounts; DS-1271ZJ-140: pendant mount; DS-1275ZJ-SUS: pole mount; DS-1276ZJ-SUS: corner mount; DS-1280ZJ-DM21: junction box; DS-1273ZJ-140(BLACK): wall mount

Selection notes

• The documented specifications apply to the cited manufacturer version. Confirm the supplied hardware, firmware and accessory configuration.
• Readers, locks, power supplies, batteries, licences and other accessories are not assumed to be included. ISD confirms specification, compatibility, supply, price, lead time and local warranty separately.

Official documents

• Hikvision DS-2TD1228-2/QA manufacturer reference

Manufacturer source checked 2026-09-10. The supplied unit and local terms require confirmation.