UK Supplier of Data Acquisition & Thermal Imaging systems, software and services


Manufacturer: AVIO


Discontinued - Click here to view replacement or scroll down for related products.

The AVIO (NEC) H2640 high resolution thermal camera, features a 640 x 480 image resolution, 0.03°C accuracy and a large 5.6" LCD Pan/Tilt display.

With simultaneous Visual and Thermal Image capture and Fusion, means you can achieve accurate and quick results.

Using the bult-in IEEE1394 Firewire interface makes it possible to capture high speed, continuous, images to a PC


  • Resolution of 640 x 480 pixels
  • 0.03°C Resolution (NETD)
  • Wide 5.6" LCD with Pan and Tilt for easy shooting
  • Visual / Thermal Image Fusion
  • IEEE1394 for Real-Time capture


Infrared Cetector

Uncooled Focal Plane Array (microbolometer)

Spectral Range

8 to 14µm

Measuring Range-40 to 500°C (Optional 200 to 2000°C)
Sensitivity (NETD)

0.06°C at 30°C
0.03°C at 30°C (with S/N improvement)

Accuracy±2°C or ±2%
Frame Rate30Hz (H2640)
7.5Hz (H2640D)
Detector Pixels640(H) x 480(V) pixels
Field of View (FOV)21.7°(H) x 16.4°(V) with standard lens
Spartial Resolution0.6mrad with standard lens
Focal Distance30cm to infinity with standard lens
FocusAuto / Manual
Auto FunctionsAuto-gain control (Auto-scale), Auto-focus, Full-auto, Level trace
Colour PalletRainbow, Shine, IRIS, Brightness, Hot Iron, Medical (Display colour: colour/mono, positive/negative)
Gradation256/128/64/32/16 tones
Multi Sense DisplayProvided
Visual Camera1.3MP CMOS Camera
Fusion: Provided
Digital Zoom: 2/4/8 times
Multi-image Display: Display 12 images (replay mode)
Image Quality ImprovementEdge Enhancement: Provided
Median Filter: Provided
Filtering: Provided
Multi-focus: Provided *1
Measuring Functions

Point Temperature: 10 Movable Point
Temperature Search: MAX/MIN
Delta Temperature: Provided
Temperature Display in Assigned Region: MAX, MIN and AVG in box (for up to 5 boxes)
Line Profile: Horizontal, Vertical or Horizontal & Vertical (at freeze mode)
Alarm Function: Alarm Sound, Alarm Display, Colour Alarm (ISO) x 4
Temperature Correction Function: Emmissivity, Environment/Background, Distance, NUC
Emmissivity: Multi-point correction (10 points), Emissivity Table

StorageDevice: CF Card
Thermal Image in SIX (14bit) or BMP file format
Visual image in SIX or JPEG file format
Interval Recording: 5 to 3600 sec (thermal image); 30 to 3600 (thermal & visual image)
Movie Recording: Max. 30fps in Realtime Memory (Max. 7.5fps H2640D)
Voice Annotation: 30sec recording/replay per image
Text Annotation: Annotate up to 256 characters with each thermal image
InterfacesUSB2.0: Mass-storage
RS232C: Provided
IEEE1394a: Provided
Video Output: NTSC or PAL, S-Video (optional cable TH91-348 required)
Auxillary Measuring FunctionsUser Setup: 10 setups
Display: 5.6" LCD Monitor (with tilt and brightness adjustment), Colour View Finder (with tilt mechanism)
Laser Pointer: Provided (Class-2 Red)
LED Light: Provided
EnvironmentOperating temperature/humidity: -15°C to 50°C, 90% RH
Vibration/shock: 29.4m/sec²(3G), 294m/sec²(30G)
Dust/splash Proof: IP54
Battery Operation2.0 hours typical
AC PowerAC Adapter (DC7.2V)
DimensionsApprox. 110mm(H) x 110mm(W) x 210mm(D) Excluding Projections
WeightApprox. 1.7Kg (inc battery pack, LCD)

*1 Image with multi-focus may not be obtained if there is little temperature difference


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