The FLIR T640 is a high-performance thermal imaging camera designed for professional thermographers. It features a 640 × 480 infrared resolution, a tiltable optical block with a built-in viewfinder, and an extensive set of advanced measurement, analysis, and connectivity features.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB-A, USB Mini-B, HDMI, Wi-Fi, Bluetooth |
| Display | 4.3 inch touchscreen LCD, 800 × 480 pixels with tiltable viewfinder (800 × 480 pixels) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | AC adapter (90–260 V AC, 50/60 Hz) or 12 V DC from vehicle |
| Operating Temperature | -15 to +50 °C |
| Dimensions (W×H×D) | 143 × 195 × 95 mm |
| Weight | 1.3 |
Imaging and Optical Specifications
| Parameter | Value |
|---|---|
| IR Resolution | 640 × 480 pixels |
| Spectral Range | 7.5 to 14 µm |
| Thermal Sensitivity (NETD) | < 30 mK @ +30°C |
| Field of View (FOV) | 25° × 19° (with standard 25° lens) |
| Spatial Resolution (IFOV) | 0.68 mrad (with standard 25° lens) |
| Minimum Focus Distance | 0.25 m |
| Focal Length | 24.6 mm (with standard 25° lens) |
| Lens F-number | f/1.0 |
| Image Frequency (Frame Rate) | 30 Hz |
| Focus Adjustment Options | Continuous, One-shot auto focus, and Manual |
| Digital Zoom Range | 1x to 8x continuous |
Detector Specifications
| Parameter | Value |
|---|---|
| Detector Type | Uncooled Microbolometer |
| Pixel Pitch | 17 µm |
Image Presentation and Display
| Parameter | Value |
|---|---|
| Display Auto-Orientation | Yes |
| Multi-Spectral Dynamic Imaging (MSX) | Yes, overlays visual details on thermal image |
| Picture-in-Picture | Resizable and movable IR area on visual image |
| Color Palettes | Iron, Rainbow, Rainbow HC, White hot, Black hot, Arctic, Lava |
Measurement and Analysis
| Parameter | Value |
|---|---|
| Object Temperature Range | -40°C to +2000°C (-40°F to +3632°F) |
| Measurement Accuracy | ±2°C (±3.6°F) or ±2% of reading |
| Spotmeters | 10 |
| Area Boxes | 5 (including max/min/average) |
| Emissivity Correction | Variable from 0.01 to 1.0 (or selected from materials list) |
| Measurement Adjustments | Reflected temperature, optics transmission, atmospheric transmission, external optics |
| Profile Analysis | 1 live profile line |
| Difference Temperature (Delta T) | Yes (difference between any two measurement results) |
Digital Camera and Visual Imaging
| Parameter | Value |
|---|---|
| Digital Camera Resolution | 5.0 Megapixels |
| Digital Camera Video Lamp | Built-in LED (useful as flash or flashlight) |
| Laser Pointer | Class 2, semiconductor AlGaInP diode laser |
Annotation and Metadata
| Parameter | Value |
|---|---|
| Voice Annotation | 60 seconds via Bluetooth (stored with image) |
| Text Annotation | Predefined list or touchscreen keyboard |
| Sketch Annotation | Yes, draw sketches directly on touchscreen |
| GPS | Built-in, automatic geotagging |
| Compass | Yes, automatic heading orientation stored with image |
| METERLiNK | Yes, via Bluetooth (connects to Extech meters) |
Data Storage and Streaming
| Parameter | Value |
|---|---|
| Storage Media | SD Memory Card |
| Radiometric Image Format | Standard JPEG, 14-bit measurement data included |
| Non-Radiometric Image Format | Standard JPEG |
| Radiometric IR Video Recording | Real-time radiometric recording to SD card (.csq) |
| Non-Radiometric Video Recording | MPEG-4 to SD card |
| Radiometric IR Video Streaming | Yes, via USB to PC running FLIR software |
| Non-Radiometric Video Streaming | MPEG-4 via Wi-Fi or USB |
Power System
| Parameter | Value |
|---|---|
| Battery Type | Rechargeable Li-Ion battery |
| Battery Operating Time | Approx. 2.5 hours at +25°C (+77°F) ambient |
| Charging System | In camera (AC adapter or 12 V from vehicle) or 2-bay charger |
| Power Management | Automatic shutdown and sleep mode |
Environmental and Physical Characteristics
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40°C to +70°C (-40°F to +158°F) |
| Relative Humidity Range | 95% relative humidity (IEC 60068-2-30) |
| Encapsulation IP Rating | IP 54 (IEC 60529) |
| Shock Resistance | 25 g (IEC 60068-2-29) |
| Vibration Resistance | 2 g (IEC 60068-2-6) |
| Drop Test | 2 m (6.6 ft) |
| Tripod Mounting | UNC 1/4"-20 |
Image Performance
| Parameter | Value |
|---|---|
| UltraMax Super-Resolution | Yes, increases resolution to 1.2 Megapixels (1280 × 960 pixels) |
Display & Viewfinder
| Parameter | Value |
|---|---|
| Viewfinder | Built-in LCOS, 800 × 480 pixels |
Laser Pointer
| Parameter | Value |
|---|---|
| Laser Wavelength | 635 nm (red) |
| Laser Power | 1 mW |
| Laser Classification | Class 2 |
Distance Measurement
| Parameter | Value |
|---|---|
| Laser Distance Meter | Yes, distance displayed on screen |
Audio & Annotations
| Parameter | Value |
|---|---|
| Audio Recording | Built-in microphone and speaker; Bluetooth headset support |
Connectivity
| Parameter | Value |
|---|---|
| Wi-Fi Connectivity | 802.11 b/g/n, peer-to-peer (ad-hoc) or infrastructure (network) |
Navigation & Orientation
| Parameter | Value |
|---|---|
| Compass Accuracy | ±5° (typical) |
Laser
| Parameter | Value |
|---|---|
| Laser Distance Meter Accuracy | ±2 mm (±0.08 in.) |
Power
| Parameter | Value |
|---|---|
| Battery Charging Time | 2.5 hours to 90% capacity |
Measurement & Analysis
| Parameter | Value |
|---|---|
| Color Alarms | Above, Below, Interval, Condensation, Insulation |
| Automatic Hot/Cold Detection | Auto hot or cold spotmeter and max/min temp box |
Display
| Parameter | Value |
|---|---|
| Viewfinder Resolution | 800 × 480 pixels |
Software & Reporting
| Parameter | Value |
|---|---|
| Instant Report Generation | PDF report generation directly in camera |
Technology
Uncooled Microbolometer
Applications
Electrical inspections, mechanical troubleshooting, building diagnostics, and R&D thermal analysis