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The FLIR T840 (14°) is a professional handheld thermal imaging camera built around a 464 × 348 pixel uncooled microbolometer detector operating in the 7.5–14 µm long-wave infrared band. Configured with the 29 mm focal-length lens, it delivers a 14° × 10° field of view and a 0.52 mrad/pixel spatial resolution (IFOV), making it suited to thermography work where the target is at a distance and finer angular detail per pixel is required. The camera pairs the infrared sensor with a 5 MP visible-light digital camera and FLIR's MSX image enhancement, presenting results on a 4-inch optically bonded PCAP touchscreen with an additional viewfinder for use in bright outdoor conditions.
Thermal imaging cameras in this class are used to visualize surface temperature distribution non-contact across a wide range of inspection and diagnostic tasks. The T840 supports thermographic measurement across three camera temperature ranges spanning –20°C to +1500°C, with measurement accuracy specified at ±2°C or ±2% (whichever is greater) for ambient conditions of +15 to +35°C. Onboard measurement tools include up to three spotmeters and three area measurements in live mode, automatic hot/cold detection within an area, emissivity correction from 0.01 to 1.0, reference and difference temperature functions, and external optics/windows correction. A 0.5°C accuracy screening mode at 37°C with reference is also specified.
ValueTronics International stocks, inspects, and ships thermal imaging instruments such as the FLIR T840 from a 20,000 sq ft secure warehouse at 1675 Cambridge Drive in Elgin, Illinois. Each {{CONDITION}} unit moves through documented inbound receiving, technician inspection, and functional verification before it is offered for sale, and every order ships from the same Elgin facility where it was inspected. Working directly with a domestic specialist eliminates the drop-shipping pass-through model used by many online resellers and gives engineers, calibration labs, and procurement teams a single accountable source for the instrument, its accessories, and its post-sale support.
FLIR Systems is a long-established thermal imaging manufacturer; in 2021 FLIR became part of Teledyne Technologies, and current products are issued under the Teledyne FLIR brand. The T840 datasheet referenced here was published by FLIR Systems, Inc. and the product, accessories, and documentation continue under the combined Teledyne FLIR organization.
| Imaging and Optical Data | |
|---|---|
| Infrared Resolution | 464 × 348 pixels |
| UltraMax (super-resolution) | In FLIR Tools (not supported when using macro) |
| NETD | <50 mK @ +30°C (+86°F) |
| Field of View | 14° × 10° |
| Minimum Focus Distance | 1.0 m (3.28 ft.) |
| Minimum Focus Distance with MSX | 1.0 m (3.28 ft.) |
| Focal Length | 29 mm (1.41 in.) |
| Spatial Resolution (IFOV) | 0.52 mrad/pixel |
| Available Extra Lenses | 42° (AutoCal); 24° (AutoCal); 6° (service calibration required) |
| Lens Identification | Automatic |
| f number | 1.5 |
| Image Frequency | 30 Hz |
| Focus | Continuous LDM; One-shot LDM; One-shot contrast; Manual |
| Field of View Match | Yes |
| Digital Zoom | 1–6× continuous |
| Detector Data | |
| Focal Plane Array / Spectral Range | Uncooled microbolometer / 7.5–14 µm |
| Detector Pitch | 17 µm |
| Image Presentation | |
| Display Resolution | 640 × 480 pixels (VGA) |
| Surface Brightness | 400 cd/m² |
| Screen Size | 4 in. |
| Viewing Angle | 80° |
| Color Depth | 24 bits |
| Aspect Ratio | 4:3 |
| Auto-rotation | Yes |
| Touchscreen | Optically bonded PCAP |
| Display Technology | IPS |
| Cover Glass Material | Dragontrail® |
| Programmable Buttons | 2 |
| Viewfinder | Yes |
| Image Adjustment | Automatic; Automatic maximum; Automatic minimum; Manual |
| Image Presentation Modes | Infrared image; Visual image; MSX; Picture in picture (resizable and movable); Gallery |
| Measurement | |
| Camera Temperature Range | -20 to +120°C (-4 to +248°F); 0 to +650°C (+32 to +1202°F); +300 to +1500°C (+572 to +2732°F) |
| Accuracy | ±2°C (±3.6°F) or ±2% (for ambient temperature +15 to +35°C) |
| Spotmeter | 3 in live mode |
| Area | 3 in live mode |
| Automatic Hot/Cold Detection | Automatic maximum/minimum markers within area |
| Measurement Presets | No measurements; Center spot; Hot spot; Cold spot; User preset 1; User preset 2 |
| Difference Temperature | Yes |
| Reference Temperature | Yes |
| Emissivity Correction | Yes, variable from 0.01 to 1.0 or selected from materials list |
| Measurement Corrections | Yes |
| External Optics/Windows Correction | Yes |
| Screening | 0.5°C (0.9°F) accuracy at 37°C (98.6°F) with reference |
| Alarm | |
| Color Alarm (Isotherm) | Above; Below; Interval; Condensation (moisture/humidity/dewpoint); Insulation |
| Measurement Function Alarm | Audible/visual alarms (above/below) on any selected measurement function |
| Set-up | |
| Color Palettes | Iron; Gray; Rainbow; Arctic; Lava; Rainbow HC |
| Setup Commands | Local adaptation of units, language, date, and time formats |
| Languages | 21 |
| Storage of Images | |
| Storage Media | Removable memory: SD card |
| Time Lapse (Periodic Image Storage) | 10 seconds to 24 hours (infrared) |
| Remote Control Operation | Using FLIR Tools (USB cable); FLIR Tools Mobile (over Wi-Fi) |
| Image File Format | Standard JPEG, measurement data included. Infrared-only mode. |
| Image Annotations | |
| Voice | 60 seconds with built-in microphone and speaker (and via Bluetooth) on still images and video |
| Text | Text from predefined list or soft keyboard on touchscreen |
| Visual Image Annotation | Yes |
| Image Sketch | Yes: on infrared only |
| Sketch | From touchscreen |
| METERLiNK | Wireless connection (Bluetooth) to FLIR meters with METERLiNK |
| Laser Distance Meter Information | Yes |
| Area Measurement Information | Yes |
| GPS | Location data automatically added to every still image and first frame in video from built-in GPS |
| Video Recording & Streaming | |
| Radiometric IR Video Recording | RTRR (.csq) |
| Non-radiometric IR Video Recording | H.264 to memory card |
| Visual Video Recording | H.264 to memory card |
| Radiometric IR Video Streaming (compressed) | Over UVC |
| Non-radiometric Video Streaming | H.264 (AVC) over RTSP (Wi-Fi); MPEG4 over RTSP (Wi-Fi); MJPEG over UVC and RTSP (Wi-Fi) |
| Visual Video Streaming | Yes |
| Digital Camera | |
| Resolution | 5 MP with LED light |
| Focus | Fixed |
| Field of View | 53° × 41° |
| Video Lamp | Built-in LED light |
| Laser Pointer | |
| Laser Alignment | Position is automatically displayed on the infrared image |
| Laser Distance Meter | Activated by dedicated button |
| Laser | Class 2, 0.05–40 m (0.16–131 ft.) ±1% of measured distance |
| Data Communication Interfaces | |
| Interfaces | USB 2.0, Bluetooth, Wi-Fi, DisplayPort |
| METERLiNK/Bluetooth | Communication with headset and external sensors |
| Wi-Fi | Peer to peer (ad hoc) or infrastructure (network) |
| Audio | Microphone and speaker for voice annotation of images |
| USB | USB Type-C: data transfer/video/power |
| USB Standard | USB 2.0 High Speed |
| Video Out | DisplayPort |
| Video Connector Type | DisplayPort over USB Type-C |
| Radio |
Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
FLIR
Condition
New
Manufacturer
Flir
30+ Years in Business
Secure Payments
Sell Test Equipments
Knowledgeable Staff
On-site Lab
30+ Years in Business
Secure Payments
Sell Test Equipments
Knowledgeable Staff
On-site Lab
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