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Comparison

TOPDON TC001 vs FLIR ONE Pro

Which Version Should You Buy?

Choose the original TOPDON TC001 or FLIR ONE Pro for your phone. Compare native detail, power, close focus, exports and connector versions before you buy.

By thisMETER EditorialUpdated November 3, 20267 min read

On this page · Quick picks

For a supported Android phone, the original TOPDON TC001 is our pick for native thermal detail and smoother scanning. Choose FLIR ONE Pro when built-in visible-image context, temperature-data JPEG handoffs or a supported iPhone matters more. The direct comparison below pairs TC001 with ONE Pro Android USB-C, 435-0007-03; the iOS versions have separate part numbers.

Quick picks

Compare specifications and all conditions

Scan with a supported Android phone

Our choice
Original TC001
What decides it
Higher native detector resolution and frame rate

Use a Windows computer for live viewing and temperature arrays

Our choice
Original TC001
What decides it
Documented wired TCView workflow

Make images easier for another person to interpret

Our choice
ONE Pro
What decides it
Built-in visual camera and MSX edge overlay

Attach to a supported iPhone

Our choice
ONE Pro, matching iOS connector
What decides it
Original TC001 does not support iOS
Full comparison table

Swipe to compare. Row labels stay visible.

Your actual jobOur choiceWhat decides it
Scan with a supported Android phoneOriginal TC001Higher native detector resolution and frame rate
Use a Windows computer for live viewing and temperature arraysOriginal TC001Documented wired TCView workflow
Make images easier for another person to interpretONE ProBuilt-in visual camera and MSX edge overlay
Attach to a supported iPhoneONE Pro, matching iOS connectorOriginal TC001 does not support iOS
Your actual jobOur choiceWhat decides it
Scan with a supported Android phoneOriginal TC001Higher native detector resolution and frame rate
Use a Windows computer for live viewing and temperature arraysOriginal TC001Documented wired TCView workflow
Make images easier for another person to interpretONE ProBuilt-in visual camera and MSX edge overlay
Attach to a supported iPhoneONE Pro, matching iOS connectorOriginal TC001 does not support iOS

The makers specify 256 × 192 native thermal pixels for TC001 and 160 × 120 for ONE Pro. These detector dimensions are the useful starting comparison, separate from visible-camera image size. The model sheets linked below support both figures.

  • 256 × 192Original TC001 native thermal detector
  • 160 × 120ONE Pro native thermal detector

Best for Android detail and Windows viewing: original TOPDON TC001

TC001's 25 Hz frame-rate specification versus ONE Pro's 8.7 Hz is why we prefer it on paper for following changing heat patterns or moving around a subject. It also provides a documented computer workflow: the original manual describes connecting to a Windows PC through USB-C or USB-A using the supplied adapter cable, then viewing and saving temperature arrays in TCView. TC001 manual, ONE Pro sheet.

Use TopInfrared for the documented mobile workflow; its manual explicitly includes original TC001 and covers image editing, reports and Excel temperature-data exports. The older camera manual calls the mobile app TC001. TOPDON also requires Android USB OTG support. Check the actual phone and current app before buying; a USB-C socket alone is insufficient. TopInfrared manual, original connection requirements.

The limitation for context images: the original manual's image-in-image function uses your phone's camera. Do not assume the original has the integrated visual-camera arrangement documented for Max.

Check the original TC001 package at TOPDON.

Best for visible context and iPhone versions: FLIR ONE Pro

ONE Pro's built-in visible camera and MSX overlay add visible edges to the thermal picture; that is our reason to choose it for explanatory inspection images. Its specification sheet separately lists VividIR image enhancement, three movable temperature spots and automatic hottest/coldest tracking. None changes the stated native thermal detector dimensions. ONE Pro model sheet.

The FLIR ONE app controls capture and editing. The manual documents image notes and sharing to other apps; the model sheets specify JPEG stills containing 16-bit measurement data. That documented still-file handoff is a useful reason to choose FLIR when another person needs the original temperature-bearing image. TC001 also has documented data exports, discussed below. FLIR manual, file specifications.

Choose the ONE Pro version at FLIR.

Compare the original TC001 and Android ONE Pro

Native thermal detector

Original TC001
256 × 192
ONE Pro Android USB-C
160 × 120

Frame rate

Original TC001
25 Hz
ONE Pro Android USB-C
8.7 Hz

Thermal sensitivity, NETD

Original TC001
Manual: <40 mK at 25°C, F#1.0, 25 Hz; older V3 sell sheet: <50 mK
ONE Pro Android USB-C
70 mK

Object-temperature ranges

Original TC001
−20 to 150°C; 150 to 550°C
ONE Pro Android USB-C
Android sheet gives −20 to 400°C overall span; see range note below

Camera power

Original TC001
Host-powered; TOPDON states 0.35 W
ONE Pro Android USB-C
Own rechargeable battery; about one hour

Camera charging

Original TC001
Uses host power
ONE Pro Android USB-C
USB-C, 5 V/1 A; about 40 minutes

Close-focus documentation

Original TC001
Minimum focus distance not established in cited original manual
ONE Pro Android USB-C
Thermal: 0.15 m; MSX alignment: 0.3 m

Visible-image context

Original TC001
Phone camera through app
ONE Pro Android USB-C
Built-in visual camera; MSX

Measurement tools

Original TC001
Point, line and area
ONE Pro Android USB-C
Three movable spots; hottest/coldest tracking

Saved temperature data

Original TC001
TopInfrared Excel export; TCView temperature arrays
ONE Pro Android USB-C
JPEG with 16-bit measurement data
Full comparison table

Swipe to compare. Row labels stay visible.

Manufacturer specificationOriginal TC001ONE Pro Android USB-C
Native thermal detector256 × 192160 × 120
Frame rate25 Hz8.7 Hz
Thermal sensitivity, NETDManual: <40 mK at 25°C, F#1.0, 25 Hz; older V3 sell sheet: <50 mK70 mK
Object-temperature ranges−20 to 150°C; 150 to 550°CAndroid sheet gives −20 to 400°C overall span; see range note below
Camera powerHost-powered; TOPDON states 0.35 WOwn rechargeable battery; about one hour
Camera chargingUses host powerUSB-C, 5 V/1 A; about 40 minutes
Close-focus documentationMinimum focus distance not established in cited original manualThermal: 0.15 m; MSX alignment: 0.3 m
Visible-image contextPhone camera through appBuilt-in visual camera; MSX
Measurement toolsPoint, line and areaThree movable spots; hottest/coldest tracking
Saved temperature dataTopInfrared Excel export; TCView temperature arraysJPEG with 16-bit measurement data
Manufacturer specificationOriginal TC001ONE Pro Android USB-C
Native thermal detector256 × 192160 × 120
Frame rate25 Hz8.7 Hz
Thermal sensitivity, NETDManual: <40 mK at 25°C, F#1.0, 25 Hz; older V3 sell sheet: <50 mK70 mK
Object-temperature ranges−20 to 150°C; 150 to 550°CAndroid sheet gives −20 to 400°C overall span; see range note below
Camera powerHost-powered; TOPDON states 0.35 WOwn rechargeable battery; about one hour
Camera chargingUses host powerUSB-C, 5 V/1 A; about 40 minutes
Close-focus documentationMinimum focus distance not established in cited original manualThermal: 0.15 m; MSX alignment: 0.3 m
Visible-image contextPhone camera through appBuilt-in visual camera; MSX
Measurement toolsPoint, line and areaThree movable spots; hottest/coldest tracking
Saved temperature dataTopInfrared Excel export; TCView temperature arraysJPEG with 16-bit measurement data

Sources: TC001 manual, US product data, older TC001 V3 sheet, TopInfrared manual, ONE Pro Android sheet.

FLIR range wording differs: its Android sheet gives the combined span above, while both iOS USB-C and Lightning sheets explicitly separate −20 to 120°C and 0 to 400°C. Neither wording establishes accuracy across the entire span. TOPDON's NETD documents give different limits; we retain both rather than infer a hardware revision.

Accuracy and close focus: the purchase limits

For a circuit board, ask for an example at the distance you intend to use. ONE Pro's thermal focus limit and MSX alignment limit are separate; original TC001's cited manual does not establish a minimum working distance. Higher pixel dimensions alone are insufficient grounds for promising readable tiny components.

Also separate target temperature from camera operating temperature. ONE Pro is specified for 0–35°C operation and 0–30°C charging. Its negative target-temperature range does not authorize using the camera in freezing air. Environmental limits.

Power, connector versions and the included kit

TC001 draws camera power from the host; ONE Pro adds a separate battery to charge. Treat FLIR's one-hour estimate as a camera limit and TOPDON's low power figure as camera consumption, not a promise of phone runtime. The host still has to run the software and display.

Original TOPDON TC001

Host/phone connector
Supported Android USB-C; Windows via supplied adapter cable
Match this identifier
TC001

ONE Pro Android

Host/phone connector
Android USB-C
Match this identifier
435-0007-03

ONE Pro iOS USB-C

Host/phone connector
Supported iOS USB-C
Match this identifier
435-0008-03
Full comparison table

Swipe to compare. Row labels stay visible.

Exact attachmentHost/phone connectorMatch this identifier
Original TOPDON TC001Supported Android USB-C; Windows via supplied adapter cableTC001
ONE Pro AndroidAndroid USB-C435-0007-03
ONE Pro iOS USB-CSupported iOS USB-C435-0008-03
ONE Pro iOS LightningSupported iOS Lightning435-0006-03
Exact attachmentHost/phone connectorMatch this identifier
Original TOPDON TC001Supported Android USB-C; Windows via supplied adapter cableTC001
ONE Pro AndroidAndroid USB-C435-0007-03
ONE Pro iOS USB-CSupported iOS USB-C435-0008-03
ONE Pro iOS LightningSupported iOS Lightning435-0006-03

The two FLIR USB-C versions are separately documented products. Match the OS suffix and part number, then use our FLIR ONE phone compatibility checklist for current handset, app and chipset checks.

Original TC001's US package documents the camera, carrying case, multifunction adapter cable, quick guide and cleaning cloth; its cable specification is 50 cm. All three ONE Pro model sheets list a camera, USB cable, printed documentation and pouch. A phone, wall charger or macro lens is not listed in those standard contents. FLIR's camera-charging socket is separate from its phone connector. TC001 US packing list, Android, iOS USB-C, Lightning.

For cases, TOPDON warns its extension cable may be needed; FLIR's OneFit connector extends up to 4 mm. Confirm actual case clearance. TOPDON's Android requirements also conflict: the original manual says 6.0 or above, while the US product-data download section says 8.0 or above. Check current app requirements rather than buying around the older minimum. TOPDON product data, manual, OneFit specification.

Order a usable camera package
  1. Match the host

    Confirm the actual phone or computer, current app support and required permissions; check Android OTG for TC001.

  2. Match the attachment

    Match the full model, OS suffix and connector; check case clearance and the listed cable or adapters.

  3. Plan power and records

    Charge the ONE Pro battery or plan TC001 host power; verify a sample saved file opens in the intended reporting workflow.

Image exports and inspection records

TopInfrared documents temperature-data images in Temp. Measuring mode, editing saved images, generating thermal reports and exporting a photo's temperature data to Excel. Its reports screen requires login because reports are stored on the server. Verify that workflow before choosing it for a job with offline reporting requirements. TCView separately documents saving the current temperature array. TopInfrared documentation, TCView instructions.

FLIR documents MP4 video for Android and MOV for both iOS versions, separately from its temperature-data JPEG stills. For repeatable records, our checklist is to retain the original still, visible context, location, distance, emissivity setting and temperature scale. Verify an exported sample in the recipient's software before relying on a screenshot or video alone. Android files, iOS USB-C files, Lightning files.

Both makers describe surface-temperature measurement; emissivity, reflections and distance affect interpretation. Use patterns to guide further investigation. Leave panel work to a licensed electrician. TOPDON limits, FLIR measurement guidance.

When Max, Edge Pro or a standalone camera fits better

  • TC001 Max: consider it when you want TOPDON's integrated visible camera or supported iOS/Android/Windows use. Its sheet distinguishes a 256 × 192 sensor from 512 × 384 TISR-enhanced output. Those Max features do not describe original TC001. Max specifications.
  • FLIR Edge Pro: consider it for supported iOS/Android sharing or positioning the camera separately from the screen; its model sheet documents wireless Wi-Fi streaming. Edge Pro sheet.
  • Standalone: consider a camera with its own screen when phone dependence is the problem. FLIR C8, for example, documents a touchscreen, internal storage and built-in battery. Compare these alternatives in our thermal camera buying guide. C8 sheet.

How we choose

We compared official model sheets, original-camera and app manuals, US package documentation and connector identities, checked November 2, 2026. These are manufacturer specifications; we have not physically tested the cameras. Recommendations weigh the same Android host and inspection task, distinguish native pixels from processing, and retain documentation conflicts. See how we choose.

Verdict

Choose original TC001 for a supported Android phone when native detector detail, frame rate and the documented Windows workflow lead the decision. Choose ONE Pro for integrated visible context or a supported iPhone in the correct connector version. Check the exact model and kit at the maker links above, then compare current offers for that same package.

Frequently asked questions

Is TOPDON TC001 better than FLIR ONE Pro?

For a supported Android phone, TC001 is our choice for native thermal detail and scanning motion: its manufacturer specifies 256 × 192 and 25 Hz, versus ONE Pro's 160 × 120 and 8.7 Hz. Choose ONE Pro for its built-in visible camera and MSX context, or a documented iOS connector version. Those specifications do not establish real-world temperature accuracy.

Does the original TOPDON TC001 work with an iPhone?

No. TOPDON's original TC001 manual specifies Android devices and Windows computers, and its TopInfrared manual also identifies TC001 as Android-only among phone hosts. Installing the iOS app or adding a connector adapter does not establish original TC001 compatibility. For ONE Pro, choose the separately documented iOS USB-C or Lightning version for a supported iPhone.

Does FLIR ONE Pro use the phone battery?

ONE Pro has its own rechargeable camera battery, specified for about one hour, with approximately forty minutes of charging through its female USB-C socket. That charging socket is separate from its phone data connector. The phone must still run the app and display. TC001 instead draws its camera power from the connected host, so plan around the phone or computer's available power.

Which is better for close-up circuit boards?

TC001 has the higher native detector resolution, but its cited original-model manual does not establish a minimum focus distance. FLIR documents a 0.15 m thermal minimum and 0.3 m MSX alignment distance for ONE Pro. Before buying for small components, request a model-specific example at your intended working distance and verify any macro accessory separately.

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