Guide TD431 LRF Handheld Thermal Imaging Monocular

The TD Gen2 LRF Series Thermal Imaging Monocular

Introducing the TD Gen2 LRF Series, the first entry-level thermal imaging monocular equipped with full features, including a high-precision laser rangefinder module capable of detecting targets within 600 meters. Building on the lightweight, portable, and durable design of its predecessor, this series incorporates a high-resolution AMOLED display, delivering clear imaging and a comfortable viewing experience—perfect for outdoor night vision.

• IR Resolution: 384x288
• Focal Length: 35mm/F1.0
• Focusing: Manual
• Battery Life: 10 hours

High-Brightness AMOLED Display
Equipped with a 12μm high-sensitivity infrared detector and a 0.23-inch AMOLED display at 384x288 resolution, this device renders high-contrast, detailed thermal images that enhance the viewing experience, especially in low-light conditions.

Advanced Image Processing Algorithms
The TD Gen2 LRF Series optimizes image quality based on observation purposes and environmental conditions, delivering high-quality rendering of both target objects and background.

Extended 10-Hour Battery Life
Enjoy over 10 hours of continuous use—an improvement of 3 hours over the previous model. This device uses a standard, easy-to-find 18650 battery.

Simplified User Interface
A redesigned user interface makes operation straightforward with iconized navigation, removing language barriers for universal ease of use.

Real-Time Sharing via WiFi
Capture and share moments instantly by connecting to the TargetIR app on your phone via WiFi, enabling real-time content sharing.

OTA Firmware Upgrades
Stay up to date with device firmware updates directly through the TargetIR app, making upgrades quick and efficient.

Included in the Box

• Device
• Lens cover and lanyard
• Wrist strap
• Carry bag
• Eye mask
• Battery charger
• Single 18650 battery
• USB Type-C cable
• Quick use guide
• Warranty card

Technical Specifications

Model: TD431 LRF
Sensor:

• Type: Uncooled VOx Infrared Detector, 8 to 14μm
• Resolution: 384×288@12μm
• NETD: 35mK
• Frame rate: 50Hz

Lens:

• Objective lens: 35mm, F1.0
• Field of view: 7.5°×5.6°
• FOV at 100m: 13×10 meters
• Magnification: 2.6x~10.4x
• Detection range: 1800m/1950yd

Display:

• Type: 0.23'' AMOLED, 640×400 resolution
• Color palettes: White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia
• Eyepiece: Eye relief: 12mm; Diopter: -4 to +2; Zoom: 18x

Hardware:

• Laser rangefinder: 600m/650yd
• WiFi: 2.4G
• Interface: USB Type-C

System:

• Memory capacity: 64GB

Power:

• Battery type: Single replaceable 18650 battery
• Operating time: 10 hours

Environmental:

• Encapsulation: IP66

Physical Dimensions:

• Weight: 393g (13.86 oz)
• Dimensions: 150×77×74mm (5.91×3.03×2.91 in)