Fluke iSee TC03A PRO Android Thermal Camera

The thermal camera that’s actually on you when you need it

Every sparky and maintenance tech knows the story. You’re halfway through a job, something on the board looks off, and the thermal imager is back in the ute — or back at the depot. So the hot neutral or the loose lug gets a “keep an eye on it” and you move on.

The Fluke iSee™ TC03A PRO fixes that problem by putting professional-grade thermal imaging on the device you already carry. It plugs directly into the USB-C port of a compatible Android smartphone or tablet, weighs just 55 g, and packs into a soft case small enough for a shirt pocket or tool bag. No separate battery to charge, no extra cables, no excuses.

But this isn’t a novelty phone gadget. With 384 × 288 native infrared resolution, 45 mK thermal sensitivity, a 1.14 mrad spatial resolution and a manually adjustable focus lens, the TC03A PRO is built for the inspections electrical contractors, reliability technicians and engineers do every week — switchboards, MCCs, motors, solar isolators, EV chargers and PCB assemblies.

Problem: low-resolution cameras miss the small stuff

Many entry-level phone thermal cameras run 256 × 192 or lower. That’s fine for spotting a warm wall, but a single overheating terminal in a crowded distribution board can disappear into a handful of pixels.

Solution: more pixels, finer detail. The TC03A PRO’s 384 × 288 sensor captures 110,592 temperature points in every frame. Combined with a 1.14 mrad IFOV, Fluke rates it to detect spots as small as 0.01 m from 10 m away. In practical terms, that means a failing connection shows up as a clear, distinct hotspot rather than a vague smudge — so you can catch it before it becomes a fault, an outage or a callback.

For review and reporting, SuperResolution uses algorithmic enhancement to output images up to 768 × 576. It’s especially handy for small or distant targets such as overhead conductors and fine electronic components. Just remember it’s an image-processing feature — the native detector is 384 × 288.

Problem: fixed-focus lenses are only sharp at one distance

Most phone-attached thermal cameras use a fixed-focus lens. Get closer or further away than the “sweet spot” and the image softens — and a blurry thermal image means blurry temperature data. That’s a real issue when one day you’re on a control board and the next you’re scanning a busbar from behind an approach boundary.

Solution: manual adjustable focus. Twist the lens ring and the TC03A PRO stays sharp from 0.25 m — close enough to trace heat across a densely populated PCB — out to around 20 m on a power line. One camera covers bench work, switchroom inspections and outdoor assets.

Worth knowing: adjustable focus isn’t zoom. Focus keeps the target crisp; it doesn’t magnify it. For small targets, get as close as is safe and refocus.

Problem: you can’t see what you can’t keep up with

Scanning along a row of breakers, a cable tray or a running conveyor at 9 Hz is painful — the image lags and drags as you move.

Solution: 50 Hz frame rate. The TC03A PRO refreshes 50 times per second, giving you smooth live imaging while you pan across a board or watch rotating and moving equipment such as fans, motors and production lines. Less blur, fewer missed moments, faster inspections.

Problem: phase imbalance is easy to eyeball and hard to prove

Comparing three phases by hovering a spot marker over each one, writing down the numbers and doing the maths in your head isn’t quick — and it’s not great evidence for a report.

Solution: automatic three-phase temperature comparison. The Fluke iSee app automatically calculates and displays temperature differences across three phases in real time. Draw your areas over L1, L2 and L3 and the delta is right there on screen. Imbalances jump out as soon as they appear, and the result is captured with the image for your records.

Problem: you can’t stare at the screen all day

During longer monitoring tasks or walk-through inspections, your eyes are on the job and your footing — not glued to a phone.

Solution: over-temperature alarms with automatic capture. Set a threshold and the TC03A PRO triggers audible, visual and vibration alerts when it’s exceeded. Alarms can also trigger an automatic snapshot or recording, so the evidence is captured even if you weren’t looking at the exact moment.

From scan to report — without leaving site

Thermal images are only useful if you can share them. The free Fluke iSee™ app brings the key functions of a professional thermal camera onto your phone:

• Capture real-time thermal images and video
• Measure with spot, line and area tools
• Analyse with automatic three-phase comparison and selectable colour palettes
• Report — generate reports in the app and export them
• Share results with your team, supervisor or client straight from the device

That means the job card, the photos and the findings can be sorted before you’ve packed up — not at 9 pm on the laptop.

Where the TC03A PRO earns its keep

Electrical contracting and commercial buildings Switchboards, distribution boards, circuit breakers, RCDs and terminations. Ideal for routine thermographic checks and fault-finding on loose or overloaded connections.

Industrial maintenance and reliability Motors, MCCs, bearings, fans and electrical panels in manufacturing, process, and food and beverage plants. The 50 Hz refresh helps on moving and rotating equipment.

Solar and EV charging PV connections, DC isolators, inverters, EV chargers and their terminations — compact enough to carry on every service visit. (See the operating temperature note below for hot rooftop days.)

Facilities management and HVAC Mechanical plant, air handling units and building services in commercial facilities.

Electronics, R&D and education PCB assemblies, component heat mapping and laboratory investigations. The 0.25 m minimum focus distance makes it a capable bench tool for engineering teams, TAFEs and university labs.

Know before you buy: practical limits

We’d rather you buy the right tool the first time, so here’s the fine print in plain English:

• Android and HarmonyOS only. The TC03A PRO requires a USB-C Android device (Android 6.0 or later) or HarmonyOS 2.0 or later, with OTG enabled. It is not compatible with iPhone or iPad. Not sure about your phone? Ask us before you order.
• IP54 needs the USB-C protective cover fitted. The dust and water rating applies only with the cover in place.
• Two temperature ranges. Measurement spans –20 °C to 550 °C across two ranges: –20 °C to 150 °C and 100 °C to 550 °C.
• Operating temperature is 0 °C to 40 °C. On a scorching Aussie rooftop, both the camera and your phone may exceed their operating limits — schedule inspections for cooler parts of the day where you can.
• Powered from your device. The camera draws around 700 mW (typical) from the phone, so start with a decent charge for long inspection runs.
• Manufacturer EMC caution: “This equipment is not intended for use in residential environments and may not provide adequate protection to radio reception in such environments.” It’s classed as CISPR 11 Group 1, Class A equipment for commercial and industrial settings.

As always, thermal inspection of energised equipment should follow your site’s risk assessment, approach distances and PPE requirements. A thermal camera lets you look without touching — it doesn’t replace safe work procedures.

What’s in the box

• Fluke iSee™ TC03A PRO 50 Hz Mobile Thermal Camera for Android™
• Soft protective carrying case
• User manual / product instructions

Backed by Fluke’s 2-year warranty.

Why buy from Rapid-Tech?

We’re not just a tool shop. Rapid-Tech supplies trade-grade test and measurement equipment to electrical contractors, maintenance teams, solar installers and technical educators across Australia — with real sales engineers who understand the gear. Need help checking phone compatibility, comparing the TC03A PRO against a handheld thermal imager, or kitting out a whole team? We’ve got your gear sorted.

Request a quote today or contact our team for trade and volume pricing.

Technical Specifications

What the camera sees at different distances

Calculated from the 25° × 19° field of view (approximate image area).

What is the Fluke iSee TC03A PRO? The Fluke iSee™ TC03A PRO is a 55 g thermal camera that plugs into the USB-C port of an Android phone or tablet. It offers 384 × 288 infrared resolution, 45 mK sensitivity, a 50 Hz frame rate and manual adjustable focus, and uses the free Fluke iSee app for measurement, three-phase comparison, alarms and reporting.

Does the Fluke TC03A PRO work with iPhone? No. The TC03A PRO supports Android 6.0 or later and HarmonyOS 2.0 or later on devices with a USB-C port and OTG enabled. It is not compatible with iPhone or iPad.

How close and how far can the Fluke TC03A PRO focus? The manual focus lens works from a minimum of 0.25 m, suitable for circuit boards, out to around 20 m for targets such as power lines. You adjust the focus ring for each distance. It focuses, but does not zoom.

What is the smallest hotspot the TC03A PRO can detect? With a 1.14 mrad spatial resolution (IFOV), Fluke rates the TC03A PRO to detect spots as small as 0.01 m at 10 m. For an accurate temperature reading, the target should cover several pixels, so move closer or refocus on critical measurements.

What’s the difference between native resolution and SuperResolution on the TC03A PRO? The detector’s native resolution is 384 × 288. SuperResolution is an image-enhancement feature that outputs images up to 768 × 576, sharpening detail on small or distant targets for review and reporting.

Is a smartphone thermal camera good enough for switchboard inspections? For routine checks and fault-finding, yes — provided it has adequate resolution and focus. The TC03A PRO’s 384 × 288 sensor, manual focus and automatic three-phase comparison make it well suited to switchboards, distribution boards and terminations in commercial and industrial settings.

How does the TC03A PRO compare with the Fluke TC01A? The TC03A PRO steps up from the TC01A with higher resolution (384 × 288 vs 256 × 192), manual focus instead of fixed focus, a 50 Hz frame rate (vs 25 Hz), 45 mK sensitivity (vs 50 mK) and a narrower 25° × 19° field of view for better detail at distance. The TC01A is smaller and lighter at 22 g.

Frequently Asked Questions

Which devices are compatible with the Fluke iSee TC03A PRO? Android smartphones and tablets running Android 6.0 or later, or HarmonyOS 2.0 or later, with a USB-C port and OTG enabled. It does not support iOS devices.

Do I need to charge the TC03A PRO? No. It’s powered by the connected phone or tablet and draws around 700 mW (typical), so start long inspections with your device well charged.

What temperature range does the TC03A PRO measure? –20 °C to 550 °C across two ranges: –20 °C to 150 °C and 100 °C to 550 °C. Accuracy is ±2 % of reading or ±2 °C, whichever is greater, at 23 °C ± 5 °C ambient.

Can the TC03A PRO compare temperatures across three phases automatically? Yes. The Fluke iSee app automatically calculates and displays temperature differences across three phases in real time.

Does the TC03A PRO have temperature alarms? Yes. It supports over-temperature alarms with audible, visual and vibration alerts, which can also trigger an automatic snapshot or recording.

Can I create reports with the TC03A PRO? Yes. The Fluke iSee app includes integrated report generation and export, and you can share images, video and reports directly from your device.

Is the TC03A PRO waterproof? It’s rated IP54 under IEC 60529, giving protection against dust and water splashes — but only with the USB-C protective cover fitted. It is not designed for immersion.

Can I use the TC03A PRO for residential building inspections? Fluke states the TC03A PRO is not intended for use in residential environments and may not provide adequate protection to radio reception there. It is classed as CISPR 11 Class A equipment for commercial and industrial settings.

What’s included with the TC03A PRO? The TC03A PRO 50 Hz mobile thermal camera for Android, a soft protective carrying case and the user manual.

What warranty does the Fluke TC03A PRO have? Fluke provides a 2-year warranty. Contact us to confirm terms for your purchase.