Model

BU41

BU31

Thermal

Imaging

Parameters

Detector Type

Uncooled VOx Infrared Focal Plane Detector

Detector Resolution

384×288

256×192

Pixel Pitch

12μm

Frame Rate

25Hz

30Hz

Spectral Band

8μm~14μm

NETD

40mK

Lens

3.8mm

3.2mm

FOV

68°×51.8°

56°×42°

IFOV

3.16mrad

3.75mrad

Aperture (F)

1.0

1.0

Automatic Gain Mode Switching

Supported

Palettes

20

18

Focusing

Focus-free

Visible Light

Visible Light Pixel

2MP

FOV

81°×61°

72°×61°

Fill-in Light

LED indicator

Temperature

Measurement

Function

Measurement Range

-20℃+~650℃

-20℃+~550℃

Measurement Accuracy

±2°C or ±2％ (which is the larger)

±2°C or ±2％ (which is the larger)

Point, Line, Area

8 points, 8 lines, and 8 areas

The total number of points, lines, and areas can be up to 16

Environmental Variable Correction

Distance, ambient temperature, emissivity, reflected temperature, atmospheric transmissivity

Alarm     Function

Alarm Function

The separate alarm output can be configured for the maximum temperature, minimum temperature, and average temperature of all points, areas, and lines for temperature measuring.

Alarm Input/Output

1-channel alarm input (optoelectronic isolation, 3V to 5.5V DC); 2-channel alarm output (optoelectronic isolation, 3 to 25V DC, 85mA at most)

Other alarms: image/video storage, file sending (FTP), E-mail (SMTP), flashing light alarm

Network  Function

Network Protocol

TCP, UDP, RTSP, HTTP, SMTP

Interface Protocol

ONVIF, Modbus TCP, MQTT

Ethernet

Wi-Fi/RJ45/device hotspot

RJ45/device hotspot

Image

Transmission

Image Stream Format

H.264/H.265

Resolution

Visible light 1080P

Infrared image supports super resolution up to 1024×768

Image Mode

Thermal imaging, visible light image, dual-spectrum fusion

Support parallel display of visible light images

Frame Rate Adjustment

Support frame rate adjustment

Data Stream Transmission

Visible light, infrared image, temperature stream, frame rate adjustable

Storage Medium

32GB internal memory

Storage Mode

Simultaneous storage of infrared images and visible light images

File Format

.jpg, .mp4

Storage Form

Local storage; can be connected with a monitoring system such as NVR

SDK

SDK

Cross-platform SDK that supports users'secondary development

Power Supply

External Power Supply

12~30V DC

PoE Power Supply

IEEE 802.3af

System   Interface

External Interface

M12 A 8-pin connector, for 10M/100M adaptable Ethernet port and PoE power supply

M12 A 12-pin connector, for DC power supply, alarm input and output

General

Specifications

Electromagnetic Compatibility

IEC 61000-4-2 (anti-interference)

IEC 61000-4-3 (radiation resistant)

Storage Temperature

-40℃+~70℃

Operating Environment

-10℃+~50℃; <95% RH

Power Consumption

≤2W

Dimensions

109×58×31mm

109×55.9×29.5(mm)

Weight

＜170g

Authentication

CE/FCC/RoHS

Impact Resistance

25G, IEC68-2-29

Vibration Resistance

2G, IEC68-2-6

Product List

8-core M12 to RJ45 cable (wire length 44cm), fixing device (screw, installation sticker)

Optional accessories: 12-core M12-to-DC connector & alarm input and output interface cable, front or rear mounting bracket, PoE power supply adapter