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Diagnose potential faults in industrial, electrical, and mechanical systems, or discover temperature anomalies in R&D testing with the 464 × 348 resolution FLIR T540. This portable, ergonomic thermal camera offers advanced features like 1-Touch Level/Span and continuous laser-assisted autofocus, making it the perfect non-contact diagnostic tool for condition monitoring and research applications. Streamline electrical/mechanical surveys, troubleshooting, and repairs with Inspection Route mode, which runs pre-planned routes created in FLIR Thermal Studio Pro so users can record temperature data and imagery in a logical sequence. The built-in Macro Mode allows R&D users to quickly switch from wide angle to close-up analysis without changing the lens. Or pair the T540 with a FLIR FlexView® dual field-of-view lens for the convenience to instantly switch from wide-area to telephoto scanning. When coupled with Research Studio software, the T540 helps engineers assess unexpected hot spots and find potential design flaws.
| Month(s) | Handling Fee (%) | Monthly (Approx) | Total (Approx) |
|---|---|---|---|
| 3 | 0.00% | 0.00 | 0.00 |
| 6 | 0.00% | 0.00 | 0.00 |
| Highlighted | |
|---|---|
| IR Resolution | 464 × 348 pixels |
| Thermal Sensitivity_NETD | <30 mK, 42° @ 30°C (86°F) <40 mK, 24° @ 30°C (86°F) <50 mK, 14° @ 30°C (86°F) <40 mK, 80° @ 30°C (86°F) |
| Accuracy | ±2°C (±3.6°F) or ±2% of reading |
| Field of view [FOV] | 42° × 32° 24° × 18° 14° × 10° 80° × 63° |
| Digital Camera | 5 MP, with built-in LED photo/video lamp; disabled when 80° lens in use |
| Display | 4", 640 × 480 pixel touchscreen LCD with auto-rotation |
| Storage Media | Removable SD card |
| Imaging & Optical | |
|---|---|
| Camera software update | Using USB cable or SD card |
| Color | Black |
| Color palettes | Iron, Gray, Rainbow, Arctic, Lava, Rainbow HC |
| Detector Resolution | 464 x 348 |
| Detector Type and Pitch | Uncooled microbolometer, 17 µm |
| Digital Camera | 5 MP, with built-in LED photo/video lamp; disabled when 80° lens in use |
| Digital Camera FOV | 53° × 41° |
| Digital Zoom | 1-6x continuous |
| f number | 1.1, 42° 1.3, 24° 1.5, 14° 1.3, 80° ° |
| Field of View | 42° × 32° 24° × 18° |
| Field of view [FOV] | 42° × 32° 24° × 18° 14° × 10° 80° × 63° |
| Focal Length | 10 mm (0.39 in.), 42° 17 mm (0.67 in.), 24° 29 mm (1.41 in.), 14° 5 mm (0.19 in.), 80° |
| Focus | Continuous with laser distance meter (LDM), one- shot LDM, one-shot contrast, manual |
| Frame Rate [Full Window] | 30 Hz |
| Gallery | Yes |
| Image Frequency | 30 Hz |
| IR Resolution | 464 × 348 pixels |
| Laser Alignment | Position is automatically displayed on the infrared image |
| Lens | 24°, 14°, 42°, 80°, DFOV (24°, 14°), DFOV (42°, 24°) |
| Lens Identification | Automatic |
| Minimum Focus Distance | 0.15 m (0.49 ft.), 42° 0.15 m (0.49 ft.), 24° 1.0 m (3.28 ft.), 14° Macro mode 71 µm as option to 24° 0.10 m (3.9 in), 80° |
| Minimum Focus Distance with MSX | 0.65 m (2.13 ft.), 42° 0.5 m (1.64 ft.), 24° 1.0 m (3.28 ft.), 14° |
| NETD | <30 mK, 42° <40 mK, 24° <50 mK, 14° <40 mK, 80° |
| Non_radiometric IR video streaming | H.264 or MPEG-4 over Wi-Fi MJPEG over UVC or Wi-Fi |
| Picture_in_Picture | Resizable and movable |
| Radiometric IR video recording | Real-time radiometric recording (.csq) |
| Radiometric IR video streaming | Over UVC |
| Resolution | 464 × 348 pixels (VGA) |
| Spatial resolution [IFOV] | 1.66 mrad/pixel, 42° 0.90 mrad/pixel, 24° 0.52 mrad/pixel, 14° 3.6 mrad/pixel, 80° |
| Spectral Range | 7.5 - 14.0 µm |
| Thermal Sensitivity_NETD | <30 mK, 42° @ 30°C (86°F) <40 mK, 24° @ 30°C (86°F) <50 mK, 14° @ 30°C (86°F) <40 mK, 80° @ 30°C (86°F) |
| UltraMax | Quadruples pixel count; activated in menu and processed in FLIR Tools |
| Video Lamp | Built-in LED light |
| Viewfinder | No |
| Visual Image | Yes |
| Visual Video Recording | H.264 to memory card |
| Visual Video Streaming | Yes |
| Measurement & Analysis | |
|---|---|
| Accuracy | ±2°C (±3.6°F) or ±2% of reading |
| Automatic hot and cold detection | Automatic maximum/minimum markers within area |
| Color alarm [isotherm] | •Above •Below •Interval •Condensation (moisture/humidity/dewpoint) •Insulation |
| Difference Temperature | Yes |
| Emissivity Correction | Yes, variable from 0.01 to 1.0 or selected from materials list |
| Measurement Corrections | Yes |
| Measurement Function Alarm | Audible/visual alarms (above/below) on any selected measurement function |
| Measurement Presets | •No measurements •Center spot •Hot spot •Cold spot •User preset 1 •User preset 2 |
| Object Temperature Range | -20°C to 120°C (-4°F to 248°F); 0°C to 650°C (32°F to 1202°F); 300°C to 1500°C (572°F to 2732°F) |
| Reference Temperature | Yes |
| User Interface | |
|---|---|
| Display | 4", 640 × 480 pixel touchscreen LCD with auto-rotation |
| Display Technology | IPS |
| Languages | 21 |
| Text | Predefined list or touchscreen keyboard |
| Touch Screen | Optically bonded PCAP |
| Voice | 60 sec. recording added to still images or video via built-in mic (has speaker) or via Bluetooth |
| Communication & Data Storage | |
|---|---|
| Audio | Microphone and speaker for voice annotation of images |
| Communication Interfaces | USB 2.0, Bluetooth, Wi-Fi |
| Image File Format | Standard JPEG with measurement data included |
| METERLiNK | Wireless connection (Bluetooth) to: FLIR meters with METERLiNK |
| METERLiNK_Bluetooth | Communication with headset and external sensors |
| Storage Media | Removable SD card |
| USB | USB Type-C: data transfer/video/power |
| USB_Standard | USB 2.0 High Speed |
| Video Out | DisplayPort over USB Type-C |
| Power | |
|---|---|
| Battery operating time | Approx. 4 hours at 25°C (77°F) ambient temperature and typical use |
| Battery Type | Li-ion battery, charged in camera or on separate charger |
| Battery voltage | 3.6 V |
| Battery weight | 195 g (6.89 oz) |
| Charging system | In camera (AC adapter or 12 V from a vehicle) or two-bay charger |
| Charging Temperature | 0°C to 45°C (32°F to 113°F) |
| External Power Operation | AC adapter 90–260 V AC (50/60 Hz) or 12 V from a vehicle (cable with standard plug, optional) |
| Power Management | Automatic shut-down and sleep mode |
| Environmental & Certifications | |
|---|---|
| EMC | •ETSI EN 301 489-1 (radio) •ETSI EN 301 489-17 •EN 61000-6-2 (immunity) •EN 61000-6-3 (emission) •FCC 47 CFR Part 15 Class B (emission) |
| Humidity [operating and storage] | IEC 60068-2-30/24 hours, 95% relative humidity, 25–40°C (77–104°F)/2 cycles |
| Operating Temperature Range | –15°C to 50°C (5°F to 122°F) |
| Radio Spectrum | ETSI EN 300 228, FCC Part 15.249, RSS-247 Issue 2 |
| Safety | EN/UL/CSA/PSE 60950-1 |
| Storage Temperature Range | -40°C to 70°C (-40°F to 158°F) |
| Tripod Mounting | UNC 1/4"-20 |
| General | |
|---|---|
| Compatible with FLIR software | FLIR Thermal Studio Suite, FLIR Route Creator, FLIR Ignite, FLIR Research Studio, FLIR Atlas SDK |
| GPS [compass] | Automatic image tagging |
| Housing material | PCABS with TPE, magnesium |
| Laser Pointer | Class 2, 0.05–40 m (0.16–131 ft) ±1% of measured distance |
| Packaging | Infrared camera with lens, 2 batteries, battery charger, hard transport case, lanyards, front lens cap, power supplies, printed documentation, SD card (8 GB), cables (USB 2.0 A to USB Type-C, USB Type-C to HDMI, USB Type-C to USB Type-C), License card: FLIR Thermal Studio Pro (3 month subscription) |
| Packaging Size | 500 × 190 × 370 mm (19.7 × 7.5 × 14.6 in) |
| Size [L x W x H] | Lens horizontal: 140 × 201.3 × 167.3 mm (5.5 × 7.9 × 6.6 in) |
| Weight [battery included] | 1.4 kg (3.1 lb) |
Resolution, Comfort, And Outstanding Performance
Laser-assisted autofocus guarantees you’ll get tack-sharp focus for accurate temperature readings that lead to quick but solid decisions.
The T540’s optical block rotates 180°, so you can image targets at any angle—comfortably—all day long.
The capacitive touchscreen with intuitive menu is easy to navigate, plus you can customize with two programmable buttons.
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