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    A4 Handheld x2 Thermal Scop...

    Observe heat signatures in darkness, low light, smoke, and visually challenging environments with the HT-D9 Thermal Imaging Monocular. The higher-resolution HT-D9 configuration features a 640 × 512 uncooled infrared detector, 12 μm pixel pitch, compact objective lens, and a 3.5-inch colour display.

    The monocular supports thermal image capture, built-in storage, multiple colour palettes, manual settings, and rechargeable battery operation. It may be suitable for outdoor observation, property inspection, equipment monitoring, wildlife viewing, search support, and general thermal surveying.

    The supplied information also includes specifications for the lower-resolution HT-D8 model. Each model should be listed separately with its exact lens, dimensions, refresh rate, magnification, battery runtime, and price.

    Key Features

    • 640 × 512 thermal detector

    • 12 μm pixel pitch

    • Uncooled infrared focal-plane sensor

    • Approximately 25 Hz refresh rate

    • 3.5-inch colour TFT display

    • Multiple thermal colour palettes

    • Thermal image capture

    • Built-in 8GB storage

    • JPG image format

    • Multi-scale image enhancement

    • Automatic shutter correction

    • Rechargeable 26650 lithium battery

    • Compact handheld monocular design

    • OEM, ODM, OBM, and software customization

    • One-year warranty

    Product Specifications

    • Brand: Confirm Before Publishing

    • Model: HT-D9

    • Product Type: Thermal Imaging Monocular

    • Thermal Detector Resolution: 640 × 512 Pixels

    • Alternative Model: HT-D8 with 384 × 288 Detector

    • Pixel Pitch: 12 μm

    • Detector Type: Uncooled Infrared Focal-Plane Detector

    • Spectral Response: Approximately 8–14 μm

    • Thermal Sensitivity: NETD ≤60 mK

    • Refresh Rate: Approximately 25 Hz

    • Conflicting Listed Frame Rate: 30 fps

    • Objective Lens: Confirm as 12 mm or 13 mm

    • Base Magnification: Listed as Approximately 2x

    • Magnification Type: Confirm Before Publishing

    • Field of View: Confirm Before Publishing

    • Display Type: 3.5-Inch Colour TFT

    • Display Resolution: 640 × 480 Pixels

    • Listed 4K Resolution: Subject to clarification

    • Image Enhancement: Multi-Scale Detail Enhancement

    • Image Correction: Shutter-Based Correction

    • Thermal Palettes: Rainbow, Iron Red, Cool Colour, White Hot, and Black Hot

    • Photo Capture: Supported

    • Photo Format: JPG

    • Video Recording: Listed as Supported, exact resolution to be confirmed

    • Internal Storage: 8GB

    • Battery Type: Built-In Rechargeable 26650 Lithium Battery

    • Battery Capacity: Confirm Before Publishing

    • Operating Time: Confirm Before Publishing

    • Charging Time: Confirm Before Publishing

    • Charging Interface: Confirm Before Publishing

    • Operating Temperature: Approximately 0°C to 45°C

    • Storage Temperature: Approximately -20°C to 60°C

    • Listed Observation Distance: Up to Approximately 2,501 m, subject to verification

    • Dimensions: Confirm as 187.3 × 68 × 68.2 mm or 81 × 168 × 85 mm

    • Weight: Approximately 556 g, subject to confirmation

    • Brightness Levels: One Listed Level

    • Customization: OEM, ODM, OBM, and Software Reengineering

    • Warranty: One Year

    • Country of Origin: Guangdong, China

    HT-D9 Thermal Sensor

    The HT-D9 uses a listed 640 × 512 thermal detector with a 12 μm pixel pitch.

    This higher-resolution configuration may support:

    • Improved thermal-image detail

    • Better separation between nearby heat sources

    • More usable image quality during enlargement

    • Clearer viewing of smaller warm objects

    • Improved observation in complex thermal scenes

    Actual performance depends on thermal sensitivity, lens quality, target contrast, weather conditions, image processing, and display settings.

    HT-D8 Alternative Model

    The HT-D8 version is listed with:

    • 384 × 288 thermal resolution

    • 17 μm pixel pitch

    • The same 640 × 480 display

    • Approximately 25 Hz refresh rate

    • Similar thermal palettes and recording functions

    The HT-D8 and HT-D9 should have separate SKUs, specifications, images, and prices.

    Resolution Clarification

    The listing mentions 4K resolution, but the detailed specifications identify:

    • Thermal detector: 640 × 512 pixels

    • Display: 640 × 480 pixels

    • Alternative detector: 384 × 288 pixels

    The 4K claim may refer to:

    • Interpolated image output

    • A different visible-light camera

    • Exported media resolution

    • Incorrect supplier data

    Do not advertise 4K thermal resolution unless verified by official documentation.

    Objective Lens Conflict

    The main specifications list a 12 mm lens, while the detailed table lists a 13 mm lens.

    Before publication, confirm:

    • Exact focal length

    • Lens aperture

    • Lens material

    • Field of view

    • Minimum focusing distance

    • Fixed or manual focus

    • Protective coating

    The lens specification directly affects magnification and observation range.

    Magnification

    The monocular is listed with approximately 2x magnification.

    Confirm whether this represents:

    • Base optical magnification

    • Digital enlargement

    • Display magnification

    • A combined optical and digital figure

    Any additional digital zoom levels should be listed separately.

    Thermal Sensitivity

    The detector is listed with a NETD value of 60 mK or lower.

    Lower NETD values generally indicate better ability to distinguish smaller temperature differences.

    Thermal clarity may vary according to:

    • Ambient temperature

    • Humidity

    • Fog

    • Target contrast

    • Lens condition

    • Image-enhancement settings

    Refresh Rate

    The detailed table lists a refresh rate of approximately 25 Hz, while the general specifications state 30 fps.

    One verified value should be used in the final listing.

    Refresh rate affects image smoothness during:

    • Handheld scanning

    • Walking observation

    • Moving-subject tracking

    • Equipment inspection

    • Outdoor monitoring

    Display System

    The monocular includes a listed 3.5-inch colour TFT display with a resolution of 640 × 480 pixels.

    Before publication, confirm:

    • Screen brightness adjustment

    • Contrast adjustment

    • Display refresh rate

    • Viewing angle

    • Screen protection

    • Whether the display is internal or external

    Thermal Colour Palettes

    The device supports multiple image modes, including:

    • White Hot

    • Black Hot

    • Iron Red

    • Rainbow

    • Cool Colour

    These palettes can help users interpret thermal scenes under different environmental conditions.

    Image Enhancement

    Multi-scale detail enhancement is listed as an included feature.

    This processing may improve:

    • Edge visibility

    • Local contrast

    • Small heat-source presentation

    • Background separation

    • Overall scene detail

    The exact adjustment levels and processing modes should be confirmed.

    Shutter Correction

    The monocular uses shutter-based image correction.

    This process helps compensate for detector non-uniformity and maintain consistent thermal image quality.

    Confirm whether correction can be:

    • Automatic

    • Manually activated

    • Disabled

    • Scheduled at fixed intervals

    Photo and Video Recording

    The device supports image recording and is also advertised with video recording.

    Confirmed image details include:

    • JPG photo format

    • 8GB built-in storage

    Before publishing video claims, confirm:

    • Video resolution

    • Video frame rate

    • Video format

    • Audio support

    • Maximum recording duration

    • Playback functionality

    • File-transfer method

    Built-In Storage

    The monocular includes approximately 8GB of internal storage.

    Before publication, confirm:

    • Available user capacity

    • Estimated photo capacity

    • Estimated video duration

    • USB file transfer

    • Storage formatting

    • Overwrite protection

    • Whether external memory cards are supported

    Battery System

    The device uses a built-in rechargeable 26650 lithium battery.

    Before publishing, confirm:

    • Battery capacity

    • Nominal voltage

    • Operating time

    • Charging duration

    • Charging interface

    • Power-adapter requirements

    • External power support

    • Battery replacement procedure

    • Battery warranty

    Observation Distance

    The listing states an effective visual distance of approximately 2,501 m.

    This claim should only be used after confirming:

    • Target size

    • Detection criteria

    • Recognition distance

    • Environmental conditions

    • Lens configuration

    • Temperature contrast

    • Whether the figure applies to HT-D8 or HT-D9

    Detection should not be described as positive identification.

    Operating Environment

    The listed temperature ranges are:

    • Operating: Approximately 0°C to 45°C

    • Storage: Approximately -20°C to 60°C

    A waterproof or dustproof rating has not been provided.

    Before advertising rugged outdoor use, confirm:

    • IP protection rating

    • Humidity limit

    • Drop resistance

    • Lens sealing

    • Port protection

    • Condensation resistance

    Dimensions and Weight

    Two conflicting dimension sets are provided:

    • 187.3 × 68 × 68.2 mm

    • 81 × 168 × 85 mm

    The listed weight is approximately 556 g.

    Confirm whether measurements include:

    • Battery

    • Lens cap

    • Carrying strap

    • Protective accessories

    • Packaging

    Suitable Applications

    The HT-D9 may be suitable for:

    • Wildlife observation

    • Farm monitoring

    • Property inspection

    • Night-time outdoor observation

    • Electrical inspection

    • Machinery maintenance

    • Building heat-loss checks

    • Search support

    • Security patrols

    • General thermal surveying

    Actual performance depends on lens configuration, thermal contrast, weather, distance, and device settings.

    Customization Options

    Available customization may include:

    • Brand logo

    • Housing finish

    • Firmware

    • Menu language

    • Packaging

    • Storage capacity

    • Accessories

    • User-interface functions

    • Software integration

    Each customized version should receive an approved final specification sheet.

    Package Contents

    Confirm whether the standard package includes:

    • HT-D9 thermal monocular

    • Built-in rechargeable battery

    • Charging cable

    • Power adapter

    • Protective lens cap

    • Carrying case

    • Wrist strap

    • Cleaning cloth

    • User manual

    Optional accessories should not be shown as included unless supplied in the standard package.

    Warranty and Support

    The listed warranty period is one year.

    Before publication, confirm coverage for:

    • Thermal detector

    • Display

    • Battery

    • Recording system

    • Storage

    • Charging port

    • Buttons and controls

    • Environmental sealing

    • Labour and shipping

    • Warranty exclusions

    Important Use Information

    Avoid pointing the thermal detector directly at the sun, welding arcs, lasers, or other intense energy sources, as this may damage the sensor.

    Keep the lens clean and dry, protect the device during transport, and store it within the recommended temperature range.

    Follow all applicable privacy, observation, and local-use regulations.

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