IK-B6731T-F

Image Sensor

VOx uncooled focal plane array

Max Resolution

640 × 512 thermal resolution, upscaled output up to 1280 × 720

Pixel Pitch

12 µm

Spectral Range

8–14 μm

NETD

≤ 20 mK

Lens Type

Fixed lens

Focal Length

9 mm / 15 mm / 25 mm / 35 mm / 50 mm (optional)

Max. Aperture

F1.0

Field of View (FOV)

9 mm: H: 48°, V: 38°
15 mm: H: 32°, V: 26°
25 mm: H: 17°, V: 14°
35 mm: H: 12°, V: 10°
50 mm: H: 8°, V: 7°

Focus Control

Focus-free

AI Multi-Target Detection

Supports human and vehicle detection

Intelligent Analysis

Intrusion, smart motion detection, single-line crossing, double-line crossing, loitering, wrong-way detection, enter area, leave area; supports alarm triggering based on specified target types (human/vehicle)

People Counting

Supported

Smoking Detection

Supported

Fire Spot Detection

Supported

Resolution

Stream 1: 1280 × 720, D1, 640 × 512, 384 × 288
Stream 2: D1, 384 × 288, CIF

Frame Rate

Up to 25 fps

Bit Rate Control

CBR/VBR

Bit Rate

Stream 1: 100 Kbps to 8 Mbps
Stream 2: 100 Kbps to 6 Mbps

Smart Encoding

Supported

Audio Compression

G.711 A-law, G.711 μ-law, RAW_PCM

Audio Bit Rate

64 Kbps (G.711), 128 Kbps (RAW_PCM)

Image Adjustment

Brightness, Contrast, Sharpness

Scene Mode

Mirror

Pseudo-color Setting

Up to 17 colors (White-hot / Black-hot / Rainbow / Iron red / HSV /Bone / Cool / Copper / Fire-hot / Pink / Spring / Summer / Autumn / Winter / Jet / Flame / Rose -Bengal)

FFC Control

Auto / Manual

Noise Reduction

2D/3D DNR

Privacy Masking

Up to 4 configurable zones

Temperature Range

-20 °C to 150 °C (-4 °F to 302 °F) or 0 °C to 550 °C (32 °F to 1022 °F)

Accuracy

±2 °C or ±2% (whichever is greater)

Temperature Detection

Supports 3 rule types (spot, line, and area); up to 20 rules, including 1 full-screen rule and 19 spot/line/area rules

Temperature Alarm

Temperature difference alarm, temperature threshold alarm, and temperature rise alarm

Temperature Display

Lower-left corner display; cursor-based display of maximum, minimum, and average temperature values

Response Time

≤ 30 ms

Alarm Triggers

IVS, temperature anomaly, motion detection, alarm input, network alarm, disk alarm, and abnormal sound detection

Event Actions

Alarm recording, FTP upload, SMTP email notification, alarm output, and audible alarm output

Protocols

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

Application Programming Interface

ONVIF (Profile S/T/G/M), SDK, CGI

Max Concurrent Streams

10 channels

User/Host Level

32+ users, 3 levels: Administrator, Operator, and Media user

Web Viewer

Chrome, Firefox, Microsoft Edge, IE11 or earlier

OS / Firmware Protect

Encrypted firmware, Signed firmware

User Authentication

Digest authentication, Brute-force attack protection

Network Authentication

IEEE 802.1X (EAP-TLS)

Secure Communication

HTTPS, WSS (WebSocket Secure), SRTP

Access Control

IP-based access control, Auto logout

Data Protect

Encryption credentials

Audit

Access, system, and event logs

Supply Chain Security

SBOM

Hardware Security

Built-in FIPS 140-3 Level 3 Certified Secure Element

Network Interface

1 × RJ45 10/100 Mbps Ethernet port

Built-in Microphone

Supported

Built-in Speaker

Supported

Audio Interface

1 input (RCA), 1 output (RCA)

Alarm Interface

2 inputs, 2 outputs

RS-485

1 × RS-485

CVBS Output

1 × BNC

SD Card Slot

Built-in microSD card slot (up to 1 TB)

Reset Button

Supported

Language

English, Chinese, Traditional Chinese, Polish, Italian, Portuguese, Spanish, Russian, French, Czech, Hungarian, Japanese, Korean. Default: English

Power Supply

12 VDC / 24 VAC / PoE (802.3af)

Power Consumption

Max 5 W

Operating Temperature

-40 °C to 60 °C (-40 °F to 140 °F)

Operating Humidity

≤ 95% RH (Non-condensing)

Ingress Protection

IP66, IK10-rated housing, NEMA 4X (optional)

Certifications

CE-EMC: EN 55032, EN IEC 61000-6-4, EN IEC 61000-3-2, EN 61000-3-3, EN 55035, EN 50130-4
FCC: 47 CFR Part 15, Subpart B

Material

Aluminium alloy

Dimensions

φ120.5 × 315.9 ~ 352.6 mm  (φ4.74” × 12.44” ~ 13.88”)

Net Weight

Approx. 1.7 kg (3.75 lb) with 9mm lens

Thermal Lens

9 mm

15 mm

25 mm

35 mm

50 mm

Detection (Human: 1.8×0.5 m)

375 m
(1,230.3 ft)

625 m
(2,050.5 ft)

1,042 m
(3,418.6 ft)

1,458 m
(4,783.5 ft)

2,083 m
(6,834.0 ft)

Detection (Vehicle: 4×1.5 m)

1,150 m
(3,773 ft)

1,917 m
(6,289.4 ft)

3,194 m
(10,479 ft)

4,472 m
(14,672 ft)

6,389 m
(20,961.3 ft)

Recognition (Human: 1.8×0.5 m)

94 m
(308.4 ft)

156 m
(511.8 ft)

260 m
(853 ft)

365 m
(1,197.5 ft)

521 m
(1,709.3 ft)

Recognition (Vehicle: 4×1.5 m)

288 m
(944.9 ft)

479 m
(1,571.5 ft)

799 m
(2,621.4 ft)

1,118 m
(3,668 ft)

1,597 m
(5,239.5 ft)

Identification (Human: 1.8×0.5 m)

47 m
(154.2 ft)

78 m
(255.9 ft)

130 m
(426.5 ft)

182 m
(597.1 ft)

260 m
(853 ft)

Identification (Vehicle: 4×1.5 m)

144 m
(472.4 ft)

240 m
(787.4 ft)

399 m
(1,309.1 ft)

559 m
(1,834 ft)

799 m
(2,621.4 ft)

Note:
Distances are calculated based on Johnson's Criteria.
Detection: Object must be covered by ≥1.5 pixels.
Recognition: Object must be covered by ≥6 pixels.
Identification: Object must be covered by ≥12 pixels.

Lens

9 mm

15 mm

25 mm

35 mm

50 mm

VCA Detection (Human: 1.8×0.5 m)

135 m
(442.9 ft)

195 m
(639.8 ft)

280 m
(918.6 ft)

380 m
(1,246.7 ft)

480 m
(1,574.8 ft)

Temperature Measurement (1 ×1 m)

150 m
(492.1 ft)

250 m
(820.2 ft)

417 m
(1,368.1 ft)

583 m
(1,912.7 ft)

833 m
(2,732.9 ft)

Temperature Measurement (0.2×0.2 m)

30 m
(98.4 ft)

50 m
(164 ft)

83 m
(272.3 ft)

117 m
(383.9 ft)

167 m
(547.9 ft)

Fire Detection (1×1 m)

375 m
(1,230.3 ft)

625 m
(2,050.5 ft)

1,042 m
(3,418.6 ft)

1,458 m
(4,783.5 ft)

2,083 m
(6,834.0 ft)

Fire Detection (0.2×0.2 m)

75 m
(246.1 ft)

125 m
(410.1 ft)

208 m
(682.4 ft)

292 m
(958 ft)

417 m
(1,368.1 ft)

Note:
Values are for reference only. Actual detection range may vary with atmospheric conditions, target size, and installation environment.